الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
There is a close relationship between diet and carcinogenesis, Nitrate and nitrite are essential for the fertility of soil and used as intention food additives. Nitrosamines represent one of the carcinogenic compounds widely distributed in the environment. Toxicological effects of nitrosamines include carcinogenesis, hepatotoxicity , impaired of reproductive and endocrine functions in addition to growth retardation and impairment of certain defense mechanism. Spirulima helps the body to detoxify in natural way and eventually avoid the body of toxic poisons. The present study clarify the importance of restriction towards the use of DBNA or its precursors in different fields, suboptimal intake of spirulina can have broad effects on biotherapy, providing a framework for understanding the multiple beneficial effects of spriulina in cancer prevention.