科研之友
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摘要
Mycotoxins are toxic metabolites of different species of fungi naturally occurring in various feed stuff. Two mycotoxins of major significance to livestock production are aflatoxin B-1 (AFB(1)) and ochratoxin A (OTA). They cause pathological lesions in liver and kidney through cell damage, release of free radicals, and lipid peroxidation. Several synthetic and natural antioxidants have been used to ameliorate the toxic effects of these mycotoxins. Vitamins (A, E, Q and provitamins ((a) over cap - carotene, carotenoids), phenolic compounds, curcuminoids, and sulfur containing compounds (glutathione, methionine) are known to exhibit antioxidant action against AFB(1) and OTA. Some of these compounds are also effective in preventing carcinogenesis during mycotoxicosis. There is a need to evaluate the antioxidant potential of these compounds with emphasis on their stability, effective level of inclusion and effect on other biochemical or tissue functions. Ascertaining and confirming the antioxidant properties of cultivable medicinal/aromatic plants would add value to these products and contribute to their commercial viability.
- 出版日期2008-1
