Customs of food in the literature of Sufis and mystics up to seventh century

With the advent of Islam in Iran, many aspects of Iranian culture and civilization were changed. One of these areas was the realm of food and customs which finds its final form from second century to seventh century A.D. It was simultaneous with the consolidation of Islam dominance in Iran during the Abbasid caliphate. These changes were injected into Iranian society by different pathways. One of these paths was Sufis and mystics who changed customs of food according to their understanding of Islamic teachings and transmitted it by their recommendation or behaviors.