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| Process optimization and mechanism research for removal of aflatoxin B1 from peanut meal using diethylenetriamine |
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| DOI： |
| KeyWord:peanut meal aflatoxin B1 diethylenetriamine detoxification mechanism |
| FundProject:“十三五”国家重点研发计划课题“油料及其制品加工链条安全控制技术集成与示范”（2020YFC1606805） |
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| Abstract: |
| To provide a technical support for the removal of aflatoxin B1 (AFB1) from moldy peanut meal, with naturally moldy peanut meal as the experimental material, and diethylenetriamine was used to the removal of AFB1.Single factor experiment was used to optimize the detoxification conditions, and the mechanism of removing AFB1 by diethylenetriamine was studied. The results showed that the optimal conditions for the removal of AFB1 from peanut meal were obtained as follows: liquid-solid ratio 5∶ 1, reaction temperature 50 ℃, reaction time 45 min, mass concentration of diethylenetriamine 10 mg/mL. Under these conditions, the detoxification rate was 95.5%. The high performance liquid chromatography and high-resolution mass spectrometry analysis showed that the possible degradation way of AFB1 was the dehydration reaction between the ketone carbonyl group in AFB1 and diethylenetriamine. In addition, in the process of detoxification, reaction products were removed by centrifugation with supernatant. In conclusion, diethylenetriamine has the potential to be used for the removal of AFB1 from peanut meal. |
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