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Abstract
Many of authorities and academic centers of research pay more attention towards the area of cancer chemoprevention is the very large number of compounds that have been demonstrated to prevent the occurrence of cancer. Many of these classes are lies in an enlarged group of compounds called physiochemical (phyto is Greek for plant). Some are antioxidants, protecting against harmful cell damage from oxidation. Others perform different functions that help prevent cancer. Also, many studies found that some physiochemical compounds have pharmacologically active as antioxidant, antimutagenic, anticarcinogenic and antibacterial agents. Physiochemical compounds which naturally occurring in food materials can be classified into several families include allyle sulfides, indoles, phenolic compounds, saponins and terpens. Amongst of different families of physiochemical, compounds have been occupied the central position.