مجله علوم و صنایع غذایی ایران
سال نوزدهم شماره 12 (پیاپی 133، اسفند 1401)

The cinnamon essential oil and extract nanoliposomes were prepared through thin layer hydration-ultrasonication technique, using lecithin and three different co-surfactants namely, glycerol, triacetin and propylene glycol, and Tween 80 as surfactant. Results showed that the propylene glycol led to production of the nanoliposomes with the smallest mean particle size (92.03 nm) with spherical-shaped and the greatest net-zeta potential value (-24.1 mV) and was selected as more suitable cosurfactant. Although antibacterial activity of cinnamon essential oil and extract were greater than those were encapsulated into nanoliposomes, both cinnamon essential oil and extract nanoliposomes exhibited high antibacterial activities against Escherichia coli and Listeria monocytogenes bacteria strains. Results indicated that based on the minimum inhibitory and bactericidal concentrations of the prepared samples, L. monocytogenes had higher resistance to the prepared cinnamon nanoliposomes. Then, six treatments including control, extract, nano-extract, essential oil, nano-essential oil and extract- essential oil were used for investigate the effect of cinnamon extract on shelf life of ground beef. Chemical (pH, TBA and TVN) and microbial parameters were detected periodically, as well as the effect of different treatments on ground beef inoculated with Escherichia coli and Listeria monocytogenes were examined. The results showed that the extract has an antimicrobial and antioxidant properties and the nanoencapsulation process enhances the attributes mentioned, so that bacterial spoilage and oxidation process delayed in the ground meet contains nano-extract (p <0.05). The highest value of pH (6.58), TBA (0.081MDA/kg) and TVB-N (72.5mg/100g) in the control treatment on the 9th day was observed. While, the value of pH (6.09), TBA (0.002MDA/kg) and TVB-N (11.5mg/100g) was detected on the 9th day in the nanoencapsulated essence. According to the results obtained in present study nano-liposomal cinnamon extract can be used for extending shelf-life ground beef without causing undesirable effect in terms of oxidative stability and low microbial spoilage.

Revival of native food, introducing it to the industrial cycle in accordance with the current modern lifestyle and the tendency to consume prepared foods, will play an effective role in maintaining the correct food pattern, increasing public health and offering it at the international level. Among them, cereal porridge (Harireh) containing almonds and rice flour is recommended as a traditional and beneficial food with high nutritional value for most age groups of the society. The production of this product is associated with limitations such as lack of quick preparation, non-uniform texture and short shelf life. Therefore, it is important to modify the formulation and process to introduce a super food to the market. In this research, extrusion technology was used to fabricate instant porridge from almond- oatmeal composite flour. For this purpose, the effect of humidity (12-16%) and the ratio of almond- oatmeal flour (10:90, 20:80 and 30:70) on the physicochemical and functional properties were evaluated using rotatable central composite design (CCD). The results showed, the simultaneous increase in moisture and the level of whole almond flour due to the increase in fiber and fat fraction caused an increase in density. At the level of 30% of almond powder, the antioxidant activity was at the maximum level. according to the optimization results; In order to have a product with the highest porosity, antioxidant capacity and water absorption along with the lowest density, the optimal treatment including feed moisture 13%, rotation speed 150 rpm and whole almond flour 22.3% was determined. This product, in addition to having suitable microstructure features, also has a favorable performance feature.

In this study, the effect of bilayer edible coating of gelatin-chitosan containing nanoemulsion of Perovskia abrotanoides Kar. essential oil on growth control of Aeromonas hydrophila inoculated into rainbow trout fillets over a 12-day period at 4 °C was investigated. The chemical composition of the essential oil was evaluated by GC-MS, its antibacterial properties by disk diffusion, plate well and micro-dilution broth, and its antioxidant properties by DPPH.Treatments included control, gelatin, chitosan, gelatin+essential oil, chitosan+essential oil and gelatin-chitosan+essential oil. After preparation, the treatments were packed in sterile polyethylene bags in laboratory conditions and stored for 12 days at 4 °C and their microbial, chemical and sensorial properties were evaluated every 3 days. The results of GC-MS showed that eucalyptol (24.51%) and camphor (22.02%) are the main components. The MIC and MBC of Perovskia abrotanoides Kar. essential oil nanoemulsions were reported to be 0.0625 and 0.125%, respectively. The amount of TVB-N and POV increased during the study period. According to the results of POV and pH measurements, there was a significant difference between all treatments and control treatment (P<0.05). The mean reduction log of bacteria was significantly different between all treatments and the highest antibacterial effect was observed in the gelatin-chitosan coating containing nanoemulsion of Perovskia abrotanoides Kar. essential oil. According to the results, Perovskia abrotanoides Kar. essential oil has good antioxidant and antimicrobial properties and according to the test results, it was found that chitosan-gelatin coating containing nanoemulsion of  Perovskia abrotanoides Kar. essential oil has an effective antimicrobial effect against Aeromonas hydrophila and can protect sensory properties and increase shelf life of rainbow trout fillets as well as useful coating to increase the shelf life of food products.

Fruit rot caused by the pathogenic fungus Penicillium is one of the most critical factors in reducing the post-harvest life of fruit crops worldwide. In the present study, the effects of marjoram essential oil and Bacillus bacteria on the control of rot caused by a blue mold of cherry (Prunus avium L.) in the horticultural laboratory of Urmia University was evaluated. Marjoram essential oil was extracted at the flowering stage by Clevenger apparatus and hydro-distillation. First, cherry fruits were infected with mushroom suspension at a concentration of 105 ha/ml. Then, experimental treatments, including suspension with a concentration of 108 ha/ml selected strains of antagonist bacteria and marjoram essential oil, were applied at five levels of concentration (0, 250, 500, 750, and 1000 μl/l). The fruits were stored in the refrigerator at a temperature of 0 °C and relative humidity of 90-95% for 30 days. Finally, different qualitative traits including titratable acidity, pH, soluble solids, tissue firmness, weight loss, antioxidant activity (DPPH) and fungal rot of the fungus were evaluated at three times (0, 15 and 30 days) and in three replications. The marjoram essential oil at a concentration of 750 μl/l and Bacillus bacteria was the most effective treatment in maintaining titratable acidity, lowering pH and soluble solids on the 15th day. Also, antioxidant activity was enhanced by increasing the concentration of marjoram essential oil. The lowest rate of fruit weight loss was observed at a concentration of 500 μl/l of essential oil during the 15th day. According to our findings, marjoram essential oil compounds, especially carvacrol, as well as Bacillus bacteria, as natural compounds and guaranteeing human health, can be suggested as alternatives to chemical compounds in the control of pathogenic fungi in fruit products.

Antibiotic residues in meat products may have public health implications. The aim of this study was to determine the tylosin residue level in meat products(sausages, persian sausages, and hamburgers) in Tabriz. For this study 60 samples( 20 samples from each meat product) were collected from food supply stores from March to May 2021, randomly. The tylosin residue levels were detected by the HPLC method. Of all samples, 90 percent of sausages, and 100 percent of hamburgers had tylosin residue. The mean of tylosin residue in sausages, persian sausages(Kalbas), and hamburgers were 19.34±2.62, 22.2±2.62 , and 39.2±2.62 µg/Kg, respectively. The mean of tylosin residue in hamburgers was higher than in other products significantly. In addition, the residual amount of tylosin in all samples was lower than the allowed limit of Codex Alimentarius(100 µg/Kg). Furthermore, the tylosin residue level in hamburgers with 90 percent meat was higher than hamburgers with 70 percent meat significantly. Even though the amount of tylosin residues is low in meat products in Tabriz, continuous control of antibiotic residues in meat products is recommended.

The increase in the needs of the population for protein causes research on natural and plant products that can be a good substitute for animal proteins. Lentil is a rich source of proteincontaining 20/6 to 31/4% protein. As a result, trying to investigate the physicochemical properties of its protein and replacing animal proteins is considered important. In this research, the optimization of water and oil absorption capacity of Bilesawar green lentils was investigated using the response surface method and Design Expert 11 software. For this purpose, central composite design with three independent variables and 6 central points was used. 20 treatments resulting from the combination of three independent variables pH (8/5-10) and centrifugation time (20-60 minutes) and centrifugation temperature (4-30°C) were evaluated. The results showed the decreasing effect of pH and time on the water absorption capacity, indicating that with the increase of pH and time, the water absorption capacity decreased. Temperature and pH had decreasing effect and time had an increasing effect on oil absorption capacity. Applying the optimized conditions, the oil and water absorption capacity for the optimum point were obtained 1/235 and 1/373, respectively. For validation, optimized predicted and experimented data were compared using T student test (p<0/05).

Aiming to improve nutritional value (reduce sugar), bioactive compounds stability, producing of novel products and based on up-to-date knowledge (applying the encapsulation technology) & reducing of potential pomace in the agricultural part (like green tea & green coffee), a functional beverage based on Stevia sweetener was enriched by adding 84 g/L of cross-linked bioactive compounds of green tea and green coffee in chitosome microcapsule and physicochemical properties (pH, acidity, turbidity, total phenolic compounds & antioxidant power) and organoleptic characteristics (flavor, color, aroma, mouth feel and overall acceptance) of product were evaluated during storage time (1, 9, 18, 27, 36 & 45 days) and at different temperatures (5, 25 & 45oC). While the release rate of beverage phenolic compounds at temperature of 45oC, were significantly (p<0.05) increased to ~50% after 27 days of storage, the noted parameters increased at the rates of ~36 and ~46% at 5 and 25oC respectively at the same conditions. As well, the results show that, the parameter of beverage antioxidant productivity ratio (TPC/EC50) was obtained 0.06 and 5.71 in control and enriched samples, respectively after 27 days of storage (at 25oC). Generally, the chitosomal structure due to biodegradability, biocompatibility and non-toxicity is recommended as a suitable option for stability of bioactive compounds and design of effective systems for drug delivery.

Probiotics are recognized as live microorganisms that confer a health benefit to the host when administered in adequate amounts. The present study aimed to evaluate in vitro probiotic properties of two commercial probiotic strains, Bifidobacterium animalis subsp. lactis BB-12 and Lactobacillus plantarum ATCC 14917. Our results indicated that the selected strains showed high resistance to acid, bile salts, and lysozyme. In general they showed good adaptation to simulated gastric and intestinal juices (more than 85% could survive) which guarantees their survival in the gastrointestinal tract. Moreover, Bifidobacterium animalis subsp. lactis BB-12 showed the highest hydrophobicity (59.75%) and auto-aggregation (51.42%) but the lowest adhesion to the human intestinal HT-29 cell line (8.35%). Furthermore, they both had β-galactosidase activity and were resistant to penicillin, vancomycin, and tetracycline. Our results indicated that Lactobacillus plantarum ATCC 14917 had better characteristics of a probiotic compared to Bifidobacterium animalis subsp. lactis BB-12.

Change in the food consumption’s pattern and the widespread use of the fast foods, as well as, the globalization of the food trade and the transportation of food over the long distances have brought great challenges to the safety and quality of the foods. One of the most important uses of the papers is the food packaging industry to keep the health and quality of the packaged materials from the production step to the customer. The extract of medicinal plants has the ability to create antibacterial properties. In this research, rosemary extract was used to produce the antibacterial papers. Extraction of plant was done by using soxhlet extractor and ultrasonic. In the soxhlet method, the dry powder was extracted at 4 and 6 hours and in the ultrasonic method, 40 and 60 powers were used for extraction. Then the papers were treated with plant extract prepared in two amounts of 15 and 20% based on the dry weight of the paper. The antibacterial properties of the papers were investigated with Escherichia coli and Staphylococcus aureus bacteria. All the papers treated with rosemary extracted by soxhlet method showed antibacterial property. Inhibition zone of bacteria was formed for both of them. The maximum diameter of the Inhibition zone for Escherichia coli and Staphylococcus aureus bacteria with 6 hours’ extraction and the consumption amount of 20% was 22 and 20 mm. In the treated paper with rosemary extracted by ultrasonic method, the maximum diameter of the Inhibition zone for Escherichia coli bacteria was 20 mm in 40A and 9 min. Also, the highest diameter of the Inhibition zone for Staphylococcus aureus bacteria was 20 mm in 40A and 9 min. Gas chromatography confirmed the presence of antibacterial substances including, Borneol, Camphor, and Bornyl acetate in rosemary extract

The purpose of this research is to investigate the effect of the changes in the starch slurry with the concentration of 30, 50 and 70% of dry substance of pregelatinized acorn starch using a single drum dryer at a drum temperature of 120°C and a speed of 20 rpm which is called PGS30, PGS50 and PGS70 in order on physical and chemical properties including viscosity, hydration, freezing and melting stability, degree of gelatinization, morphology and FTIR.The rheological properties were evaluated using a rapid viscosity analyzer as a function of temperature. Pregelatinized starches showed viscosity at 25°C in cold water, but native acorn starch did not show viscosity at room temperature. Native acorn starch gradually started to absorb water as the temperature increased. So that the highest viscosity (peak) was created by native acorn starch, PGS30, PGS50 and PGS70 respectively. Native acorn starch granules have a smooth surface and non-homogeneous shape (mostly oval and spherical) and also have surface cavities and wrinkles. The morphology of pregelatinized starches changed significantly so that the granules of PGS50 and PGS70 samples are continuous and porous with a honeycomb-like structure. And there was no significant change in freezing-thaw stability compared to native acorn starch (p<0.05). The spectroscopic evaluation of native acorn starch was consistent with PGS samples up to the spectral range of 13343 cm. But in the PGS70 and PGS50 samples, several spectral intervals occurred between 3747 and 3945, which indicates the complete gelatinization of these two samples. Pregelatinized starches also have more swelling power, water absorption and solubility than native acorn starch (p≥0.05).

In this study, the effect of hot oven drying condition (drying temperature and time) on weight loss, total phenolic compounds and antioxidant properties of mint leaf was investigated and optimized by response surface methodology. The results showed that with increasing drying time and temperature, weight loss and total phenolic compounds of mint leaves increased and drying time had more effect on changes of these two parameters compared to drying temperature. Total phenolic compounds of samples increased with increasing drying time, but with increasing drying temperature at the beginning of the process, the amount of total phenolic compounds of samples increased. The DPPH radical scavenging activity of the samples decreased by increasing the drying time (up to 176 min) and then increased with increasing the drying time. The results showed that applying drying temperatures up to 50 °C increased DPPH scavenging activity and higher drying temperatures resulted in a decrease in DPPH scavenging activity of the samples. Increasing the drying time and temperature reduced the antioxidant capacity and ferric reducing power (FRAP) of the samples, which the slope of the changes in the FRAP and antioxidant capacity of the samples with the changes in drying time is more severe than the drying temperature changes. The best conditions for hot oven drying of mint leaves are using drying temprature of 59.91 °C for 52 minutes and by applying the optimal conditions, the amount of weight loss, total phenolic compounds, and DPPH scavenging percentage of produced dry mint were 69.98%, 6.90 mg/gram of dry weight, 89.68% respectively and the desirability of this optimal condition was 0.746. The results of optimal conditions validation in real conditions are very similar to the results related to the predicted optimal conditions by response surface methodology.

In this study, the effect of infrared drying process condition (drying temperature and time) on weight loss, total phenolic compounds and antioxidant properties of mint leaf was investigated and optimized by response surface methodology. The results showed that with increasing drying temperature, the weight loss of mint samples decreased, but with increasing drying time up to 176 minutes, the weight loss of the samples increased and then decreased. Drying time had a greater effect on weight loss changes in samples compared to drying temperature. The trend of changes in total phenolic compounds of samples with drying time was similar to the weight loss of samples, but with increasing drying temperature, the amount of total phenolic compounds of samples increased. The DPPH radical scavenging ability of the samples decreased with increasing drying time (up to 238 minutes) and then increased with increasing drying time. The results showed that applying drying temperatures up to 55°C increased DPPH radical scavenging ability of samples but applying higher drying temperatures led to a decrease in DPPH radical inhibition ability of the samples. Increasing the drying temperature increased the total antioxidant capacity and reduced the ferric reducing activity of the samples. Also, increasing the infrared drying time led to a decrease in the total antioxidant capacity of the samples. The best conditions for infrared drying of mint leaves are using drying temprature of 56.58 °C for 52 minutes and by applying the optimal conditions, the amount of weight loss (moisture loss), total phenolic compounds, and DPPH inhibition percentage of produced dry mint were 76.62%, 8.722 mg/gram of dry weight, 91.97% respectively and the desirability of this optimal condition was 0.727.

The purpose of this study was to investigate the effect of microwave pretreatment on the degree of hydrolysis and antioxidant activity of Beluga (Huso huso) viscera protein hydrolysate. For this purpose, the samples were hydrolyzed after two conditions of pretreatment including no treatment with microwave or after ten minutes treatment with microwave (frequency 2450 Hz and temperature 90 °C), by alkalase enzyme with a concentration of 2%, temperature of 55°C and pH 8, and then the degree of hydrolysis and antioxidant activity of the produced samples were evaluated. According to the results, the degree of hydrolysis after microwave treatment was significantly higher than the sample without microwave treatment (p<0.05). Also, the sample produced after microwave treatment showed higher antioxidant activity (DPPH and ABTS radicals scavenging activity and Fe reduction capacity) compared to the control treatment (p<0.05). The IC50 values ​​of this treatment in inhibiting DPPH and ABTS radicals scavenging activity were obtained as 1.25 mg/ml and 1.63 mg/ml, respectively, which was significantly lower than the control treatment (p<0.05). Also, in both samples, antioxidant activity increased significantly with increasing concentration (p<0.05). In general, it can be stated that 10 minutes of microwave pretreatment at 90 °C has a favorable effect on the properties of Beluga viscera protein hydrolysate which can indicate the applicability of this technology in the production process of fish protein hydrolysate.

Corn and soybeans have the largest area of ​​GM crops in the world. Milk powder and baby food are processed foods that contain corn and soybeans. Therefore, tracking transgenic corn and soy in processed food is one of the research problems. First, 40 samples of baby food and milk powder were collected from pharmacies and supermarkets in Tehran. All the samples were extracted using Azmaelixir DNA kit, and the nucleic acid concentration was checked with a nanodrop device, and internal control genes for soy (Lectin) and corn (Zein) were checked to ensure the extraction. Then, the presence of CaMV35S transgenic gene was checked by Real-time PCR technique. The results showed the presence of transgenic genes in 2.5% of baby food samples and 10% of samples in infant formula. Therefore, in this article, the amount of transgenic gene penetration in baby food and infant formula has been investigated.

The purpose of this research was to enrich apple leather with pomegranate seed oil encapsulated with chitosan-soy isolate protein particles and to further investigate the color, texture and organoleptic properties of apple leather. At first, chitosan-soy protein isolate complex particles were prepared and then they were used to stabilize pomegranate seed oil emulsions (20, 30 and 50% oil). The results of the creaming index showed that the 20% emulsion had the lowest amount of creaming index after 14 days of storage. Next, the droplet size and viscosity of the 20% emulsion were evaluated. The results showed that the size of the emulsion droplets was about 1 µm and the flow behavior of the emulsion was Newtonian. Then, the effect of pomegranate seed oil emulsion (0.2, 0.5 and 1%) on the color, texture and organoleptic properties of apple leather was investigated. The results of the sensory evaluation showed that the apple leather without emulsion had a lighter color compared to the samples with a higher percentage of emulsion. The overall acceptability of apple leather for the control and the sample with 0.2% emulsion was not significantly different, and therefore it can be said that the use of pomegranate seed oil in apple leather in the form of emulsion up to 0.2% is suitable.

One of the most common problems in modern communities is long-term high energy intakes due to consumption of high energy foods, resulting in overweight and obesity. Therefore the aim of this study was to produce low calorie cake, by reducing fat and optimization of formulation with WPC, Maltodextrin and Inulin to calorie reducing. In this study, response surface methodology and central composite design In order to evaluate and optimization of the independent variables including WPC (1:3-13%), Maltodextrin (2: 0-0.3%) and Inulin (3:0-1%) on the characteristics of the final product were used. The results of optimization showed that with reduced fat and add Maltodextrin and Inulin, moisture content and water activity of the cake, better preserved which leads to reduced stiffness and increases the cohesiveness, therefore softer cake with a longer s shelf-life was produced. The uses of these compounds in the cake formulation can offset the negative effect from the fat reducing results in reduce the porosity and volume of the cake. Formulation optimization done to minimize stiffness as well as to maximize the volume and cohesiveness of cake that was confirmed in practical tests for Independent parameters of the WPC, Maltodextrin and Inulin 6.6%, 0.3% and 1% respectively. At this point, the optimal response levels include humidity, aw, stiffness, the cohesiveness and volume of samples was 18.07 %, 0.78, 0.18 N, 1.26 and 96 cm3 respectively.

Recently, the production of fermented products has received significant attention due to health benefits. Doineh is a cereal- dairy based fermented product that is often traditionally prepared in the western regions of Iran. The aim of this study was to investigate the effect of adding 8% turnip, 8% pumpkin as a nutritious supplement and different amounts of bakery yeast 0, 0.5 and 1% to achieve an optimal formulation with a good texture and low microbial flora during 9 days fermentation. The results showed that the treatments of turnip, pumpkin and bakery yeast improved the texture and reduced microbial flora of doineh. The viscosity of doineh samples containing bakery yeast increased and in contrast, the growth of pathogenic bacteria and pH significantly (p<0.05) decreased compared to the control. While, water and oil adsorption showed no significant difference ( p<0.05) in the samples. Based on the results, formulations containing 1% bakery yeast and 8% Turnip are suggested because of better texture and better control of microbial spoilage.

The objective of this study was to investigate the effect of replacing of rice flour with different ratio (0, 10 and 20 % w/w based on rice flour) germinated and non-germinated soy flour with ultrasonic pretreatment (0, 4, and 6 min) on the cake batter on the physicochemical and sensory characteristics of rice cake. A factorial experiment with a completely randomized design with three replications was used for data analysis. The use of germination soy flour in rice cake formulations and ultrasonic pretreatment on batter cake, significantly improved the technological characteristics and sensory attributes of the samples (p< 0.05). Compared with the non-germination soy flour, the germinated groups had higher contents of moisture, protein, fiber, and also improved volume, porosity and softness, significantly (p< 0.05). The sample formulations containing of 20 % w/w germinated soy flour with ultrasonic pretreatment for 6 min indicated the highest ranked of the technological characteristics (volume, porosity, and firmness) and sensory attributes (texture and overall) and unfortunately showed a higher darkness (L value) and redness (a value) and received low sensory scores of tastes and color compared to the other sample and control. The optimized formulation for the technological characteristics (volume, porosity, and firmness) and all sensory attributes preference had a germinated soy flour content of 10% with ultrasonic pretreatment for 6 min (p< 0.05). These achievements will pave the way for using the combination technologies involving the germination treatment with sonication pretreatment for improving physicochemical and sensory characteristics of cake produced by gluten-free flour blend.

Non-uniform drying and head rice reduction due to non-movement of paddy in common fixed bed dryers is one of the basic problems in rice milling factories. In order to investigate and provide a suitable drying method with the approach of creating uniformity in drying process, reducing losses, and saving energy consumption, a two factorial experiment in completely randomized design (CRD) was used. The factors were the initial moisture content (IMF) of paddy at two levels (16 and 18%) and drying method at 4 levels (one-way air flow, reverse air flow in 1 hour, 2 hours and 3 hours and then continuation of drying process the same as one-way airflow). The same drying air temperature and air velocity was considered for all treatments. In both moisture treatments, three hours reverse air flow drying has the highest head rice (75.7-75.86%) and the lowest energy consumption (41-49 MJ/kg water). The highest energy consumption with the amount of 79 and 67 MJ/kg water was belonging to the paddy with high and low IMC, respectively. In one way airflow, dried paddy in 10 cm from the bottom layers of dryer has the lowest amount of head rice (63.65%). In both moisture treatments, the results of mixed layers showed that one hour reverse air flow drying with values ​​​​of 68.28-68.68% had the lowest head rice. Also, drying method had no significant effect (P>0.05) on the cooking quality.

Synbiotic yogurt is the most important food ingredient from the combination of probiotics and prebiotics, which increases the survival of probiotic bacteria during yogurt storage due to its prebiotic properties. The purpose of this study was to develop synbiotic buffalo yogurt by addition of inulin and fructo-oligosaccharide as prebiotics compounds (0.5, 1 and 1.5%) on the survival of Lactobacillus acidophilus and Bifidiobacterium bifidium bacteria and physicochemical and sensory properties of buffalo yogurt. The physicochemical characteristics (pH, acidity, dry matter, fat, protein, viscosity, syneresis) and sensory evaluation (taste and texture) during 21 days of storage and the survival rate of Lactobacillus-acidophilus and Bifidiobacterium bifidium during 21 days were investigated. The results of the statistical analysis showed that with increase in the fructo-oligosaccharide level compared to the sample containing inulin and the control, the pH decreased, acidity, dry matter, water retention and viscosity increased (p<0.05). Also, the amount of fat and protein did not differ significantly during 21 days of shelf life (p>0.05). In terms of sensory evaluation, the samples of synbiotic buffalo yogurt containing high percentage of fructo-oligosaccharide and inulin were evaluated better than the control. Therefore, the use of fructo-oligosaccharide and inulin is recommended for the production of synbiotic buffalo yogurt with functional properties.

The aim of this study was to investigate the antimicrobial and antioxidant effects of chitosan edible film containing nanoemulsion of Melissa officinalis L. extract and Bunium persicum essential oil on Listeria monocytogenes inoculated into camel meat. The studied films were prepared using 2% chitosan and 2.5% and 5% of nanoemulsion of Bunium persicum essential oil and 4% of Melissa officinalis L. extract. The antimicrobial and antioxidant effects of coated camel meat during 16 days of storage at 4 °C with a 4-day interval (0, 4, 8, 12, 16) were evaluated. The coated portions were chemically evaluated. Most of the essential oil compounds include: cuminaldehyde (24.37%), γ-Terpinene (19.99%), and P-cymene (9.71%). The MIC of Melissa officinalis L. extract and Bunium persicum essential oil against L. monocytogenes were 1% and 0.25%, respectively. The antioxidant effects of films by DPPH method showed that the addition of essential oils and extracts increases the antioxidant properties of films. The antimicrobial effect of films by disk diffusion method, the largest diameter of growth inhibition zone (17.15 ± 0.16) was related to chitosan film containing 5% Bunium persicum essential oil and 4% Melissa officinalis L. extract. The average count of L. monocytogenes in the control treatment was higher than the other treatments. The results of TBARS showed that the antioxidant properties of films containing Bunium persicum essential oil and Melissa officinalis L. extract was higher than the control sample. The pH level in the samples coated with chitosan film containing 5% Bunium persicum essential oil and 4% Melissa officinalis L. extract was lower than the other treatments. In general, the prepared films have good antimicrobial and antioxidant properties against L. monocytogenes, which increase with the addition of plant compounds.

The use of nanotechnology in the food industry provides facilities such as encapsulation, targeted transfer of plant compounds and extracts without unfavourable sensitive effects. In this study, the essential oil (EO) of Santalum album (Santalum album linn.) was used to prepare a nanoemulsion. The nanoemulsion characteristics were evaluated and the data was optimized. To conduct the research, Design-Expert 12, statistical method of response surface, Central composite design with variables such as ultrasound frequency (25-31 kHz), ultrasound duration (10-20 sec.), and Santalum album EO (1%-10%) were used. After extraction of EO and identification of its effective compounds; percentage of antioxidant activity, viscosity, color indexes and the particle size of nanoemulsions tests were done. After optimization, stability test was performed on the optimized sample. The optimization results showed that with 5.5% Santalum album EO, ultrasound frequency of 28 KHZ, ultrasound duration of 15 seconds a nanoemulsion having optimum characteristics can be produced. After repeating the experiments for the obtained point, resulted in production of a nanoemulstion having particle size of 230 nm, the viscosity of 3.10 mPa.s, the brightness index of 78, the whiteness index of 58, and the antioxidant activity of 70%. It is believed these nanoemulsions have the potential to be used in the cosmetics, pharmaceutical and food industries.

Due to side effects of growth stimulant antibiotics used for poultry nutrition such as increasing microbial resistance, the poultry industry tries to replace them with a safer one like as phytogenics and organic acids. Thus, the aim of this research was to investigate the effect of adding butyric acid glycerides (BAG) and eugenol essential oil to the diet of broiler chickens on the quality and sensory properties of the meat. 300 pieces of broiler chickens of commercial strain Ross 308 were breeded in the form of a completely random design in six experimental diets including control (T1), T2 (500 ppm eugenol), T3 (1000 ppm eugenol), T4 (BAG 0.2% w/w), T5 (BAG 0.2% w/w + 500 ppm eugenol), and T6 (BAG 0.2% w/w + 1000 ppm eugenol). After 42 days, the broilers were slaughtered and water holding capacity (WHC), drip loss, cooking loss, sensory and pH parameters were evaluated on the breast muscle (fillet) during storage days. The findings revealed that the addition of eugenol and BAG to the diet of broilers reduced drip loss (p<0.05), while indicated no significant effect on the WHC. Incorporation of BAG and eugenol showed insignificant effect on cooking loss, but improved the sensory acceptability of the cooked meat. pH values influenced significantly by eugenol, and ranged between 5.69-5.81. In conclusion, the addition of eugenol and BAG to the diet of broiler chickens improved the sensory properties, and decreased drip loss of the fillets.

Encapsulation is an effective method to increase the viability of probiotic bacteria. The aim of this research is to determine the optimal formulation for microencapsulation of Lactobacillus acidophilus PTCC 1643 with soy protein isolate, xanthan gum and fructooligosaccharide as wall materials by freeze drying method. For this purpose, 19 treatments with Combine design were prepared by Design expert software. Encapsulation efficiency, particle size, zeta potential, and probiotic viability, FTIR and SEM tests were performed on the samples. The optimal sample was selected based on the lowest zeta potential and particle size, and the characteristics of microcapsules were determined by the aforementioned tests. The results showed that probiotic viability increased and decreased with increasing concentration of soy protein isolate and xanthan gum, respectively. The particle size of the samples also increased with increasing the concentration of soy protein isolate. In general, according to the protective effect of xanthan gum, soy protein isolate and fructooligosaccharide on probiotics, it can be concluded that these compounds can be used as a wall for coating to enrich food products.

Considering the role of new technologies and integrated information and communication technology in improving the supply chain, as well as the importance of investigating the preferences of actors to accept technology, the purpose of this study is to identify and rank the indicators of blockchain technology for the configuration of the vegetable oil supply chain. For this purpose, the symmetric analysis method was used and the relative importance of features and the desirability of evaluating parts of the surfaces were calculated. This method is used to identify and understand the combined effects of attributes on the preference for a product or service. To collect information, 9 cards were designed using XLSTAT software, and then 42 vegetable oil supply chain agents, including farmers, importers, oil factories, and other supply and distribution sectors. , completed online in 2022. Based on the results, the features of "Do the order on time & Close relationship with suppliers", "Transparency in all physical-financial-product transactions", "Reduce Lead time", "Compatibility and planning" and "Data immutability" were respectively the most desirable. This research showed that by using the features of blockchain technology, it is possible to facilitate the cooperation and integration of the vegetable oil supply chain and create the highest benefit for the chain actors. In the following, by designing the structure of this technology in accordance with the preferences of the actors of the vegetable oil supply chain and also with the cooperation of policymakers in order to plan and prepare the necessary infrastructure in order to implement blockchain technology in the country, the conditions of this chain can be improved.

Camelina oil contains large amounts of unsaturated fatty acids and phenolic compounds, which affect the amount of blood factors such as blood lipids. The presence of these compounds reduces the deposition of fat in the veins and reduces the mutagenicity and carcinogenicity of factors such as benzopyrene. The aim of this research is to evaluate the safety and effect of camellia oil as an edible oil on the growth, tissue and blood factors of Wistar rats in order to investigate its use in human nutrition. During this period (90 days), 40 male Wistar rats in 4 groups were administered Camelina oil with doses of 0.1, 1 and 10 ml daily compared to the control group, in blood and biochemical parameters such as lipid factors. Blood, ALT, AST, ALP and white and red blood cells were evaluated. In ALT, Cr, LDL, total cholesterol, WBC, PDW and RBC factors, no significant difference was observed between the groups and the control group. But the reduction of urea, TG, AST, RDW, MCHC occurred in different groups compared to the control group, and this reduction was associated with a significant difference. A significant difference was observed in blood glucose level in two groups with 1 and 10 ml diet. Also, the exposure of this oil to the studied doses did not cause any pathological and clinical effects in the studied animals compared to the control group animals in a period of three months. Also, the results of this study showed that due to the high amount of unsaturated fatty acids (linolenic acid and linoleic acid), tocopherol and other antioxidants, camellia oil can be effective in increasing the immunity of the cellular level of the body and human health.

In this research , The kinetics of drying , The Determining The effective Moisture Diffusivity, Activation Energy, And also the prediction of the moisture ratio of red onion during the dry process with dryer-hot air drying were carried out with the help of mathematical models and fuzzy neural inference system (ANFIS). The experiments were performed at four levels of temperature at 50, 60, 70 and 80 0C and a constant air flow rate of 1 m/s . To select a suitable drying model, twelve thin layer drying models were used, as well as using fuzzy neural inference system R Software version 3.6.2. The results showed that among the mathematical models, The binomial model with the highest coefficient of explanation and the lowest root mean square error was the most suitable. The results of the correlation coefficient value (R2 = 0.999 and error) RMSE = ( 0.002) the lowest root mean square error It predicted the humidity ratio better than mathematical models. Effective Moisture Diffusivity for four temperatures, Respectively (0.03136255,0 0211698,00193770.001847669 0) M2/ S and The amount of activation energy was 1890.4 (kJ /(kg.K).

Although application of sweeteners and thickeners substituting sugar in food products is effective in reducing the calorie intake, but it is usually accompanied by changing the product texture. Reducing sugar in the formulation of jelly powder using stevia as a strong sweetener composition and quince seed gum with respect to the qualitative properties of the product was analyzed in this study to investigate the possibility of substituting stevia with sugar. Different percentages of stevia (with 0, 25, 50, 75, and 100% sugar) were prepared along with quince seed gum, and the jelly samples were evaluated with regards to the rheological properties by using the strain sweep test measurement at constant frequency of 1 Hz, frequency sweep at the strain of 0.1% and frequency range of 0.1 to 10, as well as the creep test and the power-low equation. The results obtained from adding stevia and quince seed gum to the jelly powder sample showed that increasing the rate of stevia reduced the storage module, while the existence of sugar and quince seed in the jelly powder formula increased the storage module. The Newton viscosity of the samples increased by increasing the rate of stevia, while the immediate and delayed disintegration modulus decreased by increasing the rate of stevia. The results indicated that in addition to reducing the rate of calorie intake, substituting a part of sugar with stevia in the jelly powder can cause main changes in the rheological features of the jelly powder, reduce the elasticity module and increase the viscosity module, and by adjusting the rate of sugar substitution with stevia, it can be used as a commercial replacement in the industry.

In this study, the reduction of sugar content in eggplant marmalade formulation using stevia sweetener was investigated. For this purpose, two factors, the ratio of stevia to sucrose (0.001, 0.0025 and 0.0004) and the percentage of carboxy methyl cellulose (0.1, 0.2 and 0.3) on the pH, Brix, dry matter, calories, color difference, total acceptance, firmness, adhesiveness and energy of penetration were used using a factorial statistical design in three replications. The results showed a significant effect at stevia to sucrose ratio on all tests. On the other hand, the effect of CMC, although it caused changes, but only had a significant effect on the textural assays. In general, replacing sugar with stevia up to 0.0025 is desirable, and if this amount is added, some desirable properties of eggplant jam reduced. So, this new formulation of eggplant marmalade by maintaining desirable properties can play a good role in improving public health.

Today, chemical agents are used to control post-harvest lesions of Fruits but its harmful effects could be considered as an important factor in reducing shelf life.Recently aloe vera has played an important role in maintaining the quality and health of fruits as well as controlling the pathogenic fungi.Aloe vera coating was used in different concentrations of gel (100,75,50,25%) during 36 days of storage at 4 degrees Celsius.Microbial stability,physicochemical properties(weight loss,tissue stiffness, Soluble solids) and color sensory properties pears coated with aloe vera gel were evaluated after 36 days of storage compared to the control as well as the effect of aqueous and ethanolic extracts of aloe vera on two species of fungi penicillium expansum and aspergillus niger were investigated. The results showed that the growth of microorganis has siginificantly been delayed by aloe vera gel coating and there was a reduction in weight loss compared to control and this coating to maintain better rigidity and reduction of soluble solids and it had a significant effect on the pH of the treatments.And had no significant effect on the sensory properties of color in different treatments compared to the control. Also,aqueous and ethanolic extract of aloe vera has a growth in habiting effect on these fungi.As a result,coating aloe vera gel on pear fruit increases its shelf life.