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食品研究与开发:2024,45(6):16-22
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低温放电等离子体处理对赭曲霉毒素A降解效果及对无核白葡萄干品质的影响
(新疆农业大学 食品科学与药学学院,新疆 乌鲁木齐 830052)
Degradation Effect of Ochratoxin A by Low Temperature Discharge Plasma Treatment and Its Effect on the Quality of Seedless White Raisins
(College of Food Science and Pharmacy,Xinjiang Agricultural University,Urumqi 830052,Xinjiang,China)
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投稿时间:2022-11-12    
中文摘要: 为研究低温放电等离子体对赭曲霉毒素A(ochratoxins A,OTA)的降解效果及对无核白葡萄干品质的影响,以赭曲霉毒素A 为目标毒素,分析低温放电等离子体在不同处理时间、不同电压和不同初始浓度下对目标毒素的降解效果,并评估低温放电等离子体处理对无核白葡萄干中的理化指标及色差和香气成分的影响。结果表明:低温放电等离子体不同处理条件对OTA 的降解效果明显,不同处理条件均使得赭曲霉毒素A 降解率达90.00% 以上,以75 kV 低温放电等离子体处理5 min 后,50μg/mL OTA 的降解率高达99.21%。低温放电等离子体处理对无核白葡萄干的理化性质、蛋白浓度、色差均未出现显著影响(P>0.05),无核白葡萄干的香气成分也得到了良好的保持。因此,低温放电等离子体对赭曲霉毒素A 具有较明显的降解效果,并且不会对无核白葡萄干的品质产生影响。
Abstract:To study the degradation effect of ochratoxin A(OTA)by low temperature discharge plasma and its effect on the quality of seedless white raisins,OTA was taken as the target toxin,the degradation effect of low temperature discharge plasma on the target toxin under different treatment times,different voltages and different initial concentrations was analyzed,and the effects of low temperature discharge plasma treatment on the physicochemical indexes,color difference and aroma components in seedless white raisins were evaluated.The results showed that different treatment conditions of low temperature discharge plasma had a significant effect on the degradation of OTA,and different treatment conditions resulted in a degradation rate of over 90.00% for OTA.The degradation rate of 50 μg/mL OTA was as high as 99.21% when OTA was treated with 75 kV low temperature discharge plasma for 5 min.There were no significant effects noted in physicochemical properties,protein concentration and color difference of seedless white raisins treated by low temperature discharge plasma(P>0.05),and the aroma components of seedless white raisins were also well maintained.Therefore,low temperature discharge plasma treatment has a significant degradation effect on OTA,and will not affect the quality of seedless white raisins.
文章编号:202406003     中图分类号:    文献标志码:
基金项目:国家自然科学基金项目(32060574);新疆维吾尔自治区高校科研计划项目(XJEDU2020Y015)
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