Decontamination of B-aflatoxins in Peanut with Citric Acid Treatment

doi:10.7506/spkx1002-6630-200913007

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (13): 37-40.doi: 10.7506/spkx1002-6630-200913007

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Decontamination of B-aflatoxins in Peanut with Citric Acid Treatment

LI Jian-hui1，WEI Yi-min1,*，GUO Bo-li1，PAN Jia-rong1，LU Wei2

1.Institute of Agro-Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China；
2. College of Food Science and Technology, Hauzhong Agricultural University, Wuhan 430070, China

Received:2008-10-22 Revised:2009-01-15 Online:2009-07-01 Published:2010-12-29
Contact: WEI Yi-min

Abstract

Abstract:

Citric acid treatment was applied to decontamination of B-aflatoxins in naturally mouldy peanuts, because this treatment is mild and safe without residual toxicity. Effects of citric acid concentration, liquid/solid ratio and treatment duration on content of B-aflatoxins in the peanuts were investigated. Results showed that increased citric acid concentration and liquid/ solid ratio and extended treatment duration resulted in decease of content of B-aflatoxins in the peanuts. After the treatment for 30 min with 80 g/L citric acid solution at the liquid/solid ratio of 5:1 (ml/g), the content of B-aflatoxins decreased from 98.60μg/kg to below 20 μg/kg, which is the limit stipulated in Chinese national standard (GB2761—2005).

Key words: decontamination, B-aflatoxins, citric acid, peanut

CLC Number:

TS201.6

LI Jian-hui1，WEI Yi-min1,*，GUO Bo-li1，PAN Jia-rong1，LU Wei2. Decontamination of B-aflatoxins in Peanut with Citric Acid Treatment[J]. FOOD SCIENCE, 2009, 30(13): 37-40.

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Decontamination of B-aflatoxins in Peanut with Citric Acid Treatment

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