Optimization of Ammonia Fumigation for Degradation of Aflatoxin B1 in Maize

doi:10.7506/spkx1002-6300-201008008

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (8): 33-37.doi: 10.7506/spkx1002-6300-201008008

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Optimization of Ammonia Fumigation for Degradation of Aflatoxin B1 in Maize

CHEN Zhi-juan，LIU Yang*，XING Fu-guo，LIANG Jun-ping，LIU Chang

Key Laboratory of Agricultural Products Processing and Quality Control, Ministry of Agriculture, Institute of Agro-Food Science and
Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China)

Received:2009-06-30 Revised:2009-11-01 Online:2010-04-15 Published:2010-12-29
Contact: LIU Yang E-mail:liuyangg@hotmail.com

Abstract

Abstract:

One-factor-at-a-time method and quadratic orthogonal rotational combination design combined with response surface analysis were used to optimize temperature, ammonia concentration, fumigation time and moisture content in maize affecting degradation efficiency of ammonia fumigation towards aflatoxin B1 (AFB1) in maize. Results showed that the optimal values of the above parameters were determined as follows: temperature 37 ℃, moisture content in maize 20%, ammonia concentration 7.05% and fumigation time 96 h. Under such conditions, the predicted value of degradation ratio of AFB1 in maize was up to 90.4% and its experimental value was 92%.

Key words: maize, AFB1, ammonia method, quadratic orthogonal rotational combination design

CLC Number:

TS210.1

CHEN Zhi-juan，LIU Yang*，XING Fu-guo，LIANG Jun-ping，LIU Chang. Optimization of Ammonia Fumigation for Degradation of Aflatoxin B1 in Maize[J]. FOOD SCIENCE, 2010, 31(8): 33-37 https://doi.org/10.7506/spkx1002-6300-201008008

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Optimization of Ammonia Fumigation for Degradation of Aflatoxin B1 in Maize

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