电子束辐照对玉米赤霉烯酮的降解效果及玉米品质的影响
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摘要
以玉米赤霉烯酮(zearalenone,ZEN)标准品和玉米为研究对象,研究了电子束辐照对ZEN溶液、玉米糁中ZEN的降解效果及对玉米品质的影响。结果表明,水溶液中ZEN的降解率随着辐照剂量的增加而提高。在5kGy的辐照剂量下,初始浓度为1 200.0μg/L的ZEN降解率为89.11%,当辐照剂量增大到9kGy时,降解率达到100%;玉米糁中ZEN在9kGy辐照剂量时,降解率为16.14%。5kGy剂量以下的电子束辐照对玉米的常规营养成分几乎没有影响,但5kGy剂量的电子束辐照对玉米脂肪酸值有显著影响。研究结果为电子束辐照降解其他真菌毒素提供参考和科学依据。
Using zearalenone standards and maize as the subjects,the effect of electron beam irradiation on the degradation of ZEN in standards solution and corn grits and its effect on maize qualitywere studied.The results showed that the degradation rate of zearalenone went up with the increase of irradiation dose.The degradation rate was 89.11% when the irradiation dose was 5 kGy,and the rate was 100% when the dose increased to 9 kGy;And the degradation rate of zearalenone in corn grits was16.14% when the irradiation dose was 9 kGy.The conventional nutrient content of maize were not destroyed by electron beam irradiation,but the fatty acid value was significantly changed following the dose of 5 kGy.The results were intended to provide reference and scientific basis in the degradation of mycotoxins by electron beam irradiation.
Using zearalenone standards and maize as the subjects,the effect of electron beam irradiation on the degradation of ZEN in standards solution and corn grits and its effect on maize qualitywere studied.The results showed that the degradation rate of zearalenone went up with the increase of irradiation dose.The degradation rate was 89.11% when the irradiation dose was 5 kGy,and the rate was 100% when the dose increased to 9 kGy;And the degradation rate of zearalenone in corn grits was16.14% when the irradiation dose was 9 kGy.The conventional nutrient content of maize were not destroyed by electron beam irradiation,but the fatty acid value was significantly changed following the dose of 5 kGy.The results were intended to provide reference and scientific basis in the degradation of mycotoxins by electron beam irradiation.
引文
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[20]朱佳廷,冯敏,王玲,等.60Coγ射线对谷物中3种真菌毒素含量的控制[J].江苏农业学报,2012,28(5):1 152-1 156.
[2] HUSSEIN H S,BRASEI.J M.Toxicity,metabolism,and impact of mycotoxins on humans and animals[J].Toxicology,2001,167(2):101-134.
[3] IARC.Some naturally occurring substances:food items and constituents,heterocyclic aromatic amines and mycotoxins[M].Lyon,France:IARC Monographs on the Evaluation of Carcinogenie Risks to Humans,1993:56.
[4] CASTEUNARO M,CANADAS D,VRABCHEVA T,et al.Balkan endemic nephropathy:role ofochratoxins A through biomarkers[J].Molecular Nutrition&Food Research,2006,50(6):519-529.
[5]刘凤芝,李锋,王永丽.2017年上半年我国部分地区饲料及饲料原料中霉菌毒素的污染状况分析[J].粮食与饲料工业,2017(11):46-50.
[6]赵仁勇,宋斌.玉米赤霉烯酮生物脱毒研究进展[J].河南工业大学学报(自然科学版),2018,39(2):114-121.
[7]王轶凡,孙秀兰,张银志,等.臭氧降解玉米赤霉烯酮及其降解产物细胞毒性[J].食品与生物技术学报,2018,37(4):369-374.
[8]潘丽婷,徐圣佳,胡晓丹,等.玉米赤霉烯酮降解菌的分离鉴定及其降解特性研究[J].中国粮油学报,2018,33(6):113-119,126.
[9]李萌萌,关二旗,卞科,等.真菌毒素的辐照降解及产物解析研究进展[J].粮食与饲料工业,2013(1):14-18.
[10]靳婧,哈益明,王锋,等.生物毒素辐照降解技术研究进展[J].核农学报,2016,30(10):1 997-2 004.
[11] JALILI M,JINAP S,NORANIZAN A.Effect of gamma radiation on reduction of mycotoxins in black pepper[J].Food Control,2010,21(10):1 388-1 393.
[12]彭春红,周林燕,李淑荣,等.60Co-γ射线对赭曲霉毒素A辐照的降解效果[J].中国食品学报,2015,15(7):174-179.
[13]李国林,陈曦,陈梦玉,等.不同类型辐照处理对黄曲霉毒素脱除效果分析[J].核农学报,2015,29(11):2 165-2 171.
[14]王守经,柳尧波,胡鹏,等.辐照处理对黄曲霉毒素B1的降解效果研究[J].山东农业科学,2015(11):116-119.
[15]闫璐.γ射线对溶液中交链孢菌酮酸降解效果的研究[J].食品安全质量检测学报,2018(9):2 129-2 134.
[16]赵琳,张瑞英,兰静,等.γ射线降解玉米粉中玉米赤霉烯酮的效果及降解动力学研究[J].食品工业科技,2016,37(7):56-60.
[17]冯敏,李澧,朱佳廷,等.辐照处理对谷物中真菌毒素污染的控制[C]∥中国核科学技术进展报告(第三卷)——中国核学会2013年学术年会论文集第8册(辐射研究与应用分卷、同位素分卷、核农学分卷、辐射物理分卷).北京:中国核学会,2013:13-18.
[18]罗小虎,李克,王韧,等.臭氧、电子束辐照降解玉米赤霉烯酮和赭曲霉毒素A[J].食品与机械,2017,33(12):98-102.
[19]黄曼.电子束辐照在线杀虫/菌效果及对小麦品质影响的研究[D].广州:华南理工大学,2010.
[20]朱佳廷,冯敏,王玲,等.60Coγ射线对谷物中3种真菌毒素含量的控制[J].江苏农业学报,2012,28(5):1 152-1 156.