MUTAGENICITY OF CHEMICALLY-TREATED, AFLATOXIN-CONTAMINATED PEANUT MEAL.
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Peanut butter
Food contaminant
Arachis hypogaea
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Abstract Aspergillus flavus strains were obtained from British and domestic sources, and were cultured in our laboratories. Aflatoxin, the toxic derivative, was extracted from peanut meal by the method of Sargeant, et al. and from wheat by our method. The amounts of toxic substances present were estimated by paper chromatography. Concentrates were obtained by precipitation. One concentrate was reduced. Toxicity tests on ducklings confirmed British findings.
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Detoxification
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Peanut (Arachis hypogaea L.) is a largest source of edible oil in India, extensively consumed in the central and western parts of the country. The variability in the total aflatoxin and aflatoxin B1 levels in the different peanut samples collected was investigated. Quantitative analysis of total aflatoxin and aflatoxin B1 (AFB1) content was performed by competitive ELISA micro plate reader using total aflatoxin and aflatoxin B1 test kit. All the seed samples investigated were found positive for aflatoxin. The total aflatoxin content ranged from 24.53 to 250.34 ppb, whereas the concentration of AFB1 was in the range of 18.55 to 234.50 ppb. More than 86% of samples showed aflatoxin content above regulatory limits. 40% of the samples showed high levels (.>100 ppb) indicating high health risk of exposure to aflatoxin. Aflatoxin contamination of peanut seeds and oil is therefore an important public health concern. More precaution should be taken for proper storage of peanut seeds in order to prevent microbiological and chemical hazards.
Arachis hypogaea
Arachis
Peanut oil
Food contaminant
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Detoxification
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Value (mathematics)
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