Muscari inconstrictum Rech. f. is an ornamental and bulbous species with various medicinal and biological effects.
This study was designed to evaluate the anti-oxidant and anti-malarial activities of M. inconstrictum as one of the Iranian species of Muscari genus. Additionally, preliminary phytochemical investigation of the extracts with different polarity was performed.
M. inconstrictum bulbs were extracted with n-hexane, chloroform, and methanol (MeOH) by Soxhlet apparatus, in the order of their polarity. Next, vacuum liquid chromatography (VLC) was used for the fractionation of extracts. Free radical scavenging and anti-malarial activities were investigated via DPPH (2,2-diphenyl-1-picrylhydrazyl) and cell-free β-hematin formation methods. Thin layer chromatography (TLC) and gas chromatography-mass spectrometry (GC-MS) were used for the characterization of potent fractions.
Among different extracts of M. inconstrictum, bulbs, chloroform, and n-hexane extracts were the most potent anti-oxidant and anti-malarial extracts, respectively. Moreover, methanolic, 80% and 100% ethyl acetate/n-hexane VLC fractions of chloroform extract showed significant anti-oxidant activities, which can be related to the presence of flavonoid and coumarin structures. Furthermore, 40% ethyl acetate/n-hexane VLC fraction of n-hexane extract with saponin structures is introduced as the most potent anti-malarial part. GC-MS analysis of methanol fraction of chloroform extract, 40% ethyl acetate/n-hexane VLC fraction of n-hexane extract, and the volatile oil of plant demonstrated the presence of phenolic monoterpenoid, fatty acid derivatives, and sesquiterpenoid structures as the main ingredients, respectively.
It seems that more studies on M. inconstrictum are necessary to focus on pure compounds and their biological activities.
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