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KMID : 0380619820140020162
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Korean Journal of Food Science and Technology
1982 Volume.14 No. 2 p.162 ~ p.167
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Effect of Temperature on Aflatoxin Production in Barley by Aspergillus parasiticus
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Abstract
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The influence of temperature and moisture on aflatoxin production on solid substrate(barley) by Aspergillus parasiticus NRRL 2999 has been studied in some detail.
The optimum temperature for production of aflatoxin under the conditions employed is 25 and 30℃. No aflatoxin was detected at the moisture levels of 13%, and only traces at 16% moisture. The ratio of the production of aflatoxin B to G varied with temperature and moisture level. Aflatoxin G is elabolated at a more rapid rate than B and also metabolized at a more rapid rate. Also lower temperatures favored the production of aflatoxin G. The intensity of the yellow pigment of the chloroform extracts correlated with the concentration of aflatoxin.
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