陕西省120份市售玉米及其制品中真菌毒素的污染状况调查
本文选题:玉米制品 + 真菌毒素 ; 参考:《现代预防医学》2017年09期
【摘要】:目的了解玉米及其制品中的真菌毒素的污染情况。方法 2016年在陕西省10个地市采集120份玉米及其制品,共检测15种真菌毒素,超高效液相色谱法检测其中的黄曲霉毒素(aflatoxins,AFs)和玉米赤霉烯酮(zearalenone,ZEN),超高效液相色谱串联质谱法检测伏马菌毒素(fumonisins,FBs)、脱氧雪腐镰刀菌烯醇及其衍生物(deosynivalenol,DON,3-A-DON,15-A-DON)、雪腐镰刀菌烯醇(nivalenol,NIV)、T2、HT2毒素、赭曲霉毒素A(ochratoxin A,OTA)。结果玉米及玉米制品中各种真菌毒素均有检出,样品总体检出率为98.3%。玉米及其制品中ZEN检出率为49.2%,4.2%的样品超过国家规定60μg/kg的限量值。DON、AFB1和OTA的检出率分别为74.2%、5%和1.7%,均没有超标样品检出,其余11种毒素并未规定限值。检测的所有真菌毒素中,检出率最高的毒素为FBs(FB1、FB2和FB3)、DON及其衍生物(DON、3-A-DON和15-A-DON)和玉米赤霉烯酮(ZEN)。其中FBs的检出率最高,3种伏马菌毒素的检出率均在70%以上,FB1的检出平均值为106μg/kg。DON及两种衍生物检出率仅次于FBs。AFT、T2、HT2检出水平相对较低。OTA是检出率最低的真菌毒素。93%的玉米样品受到两种以上真菌毒素的联合污染。结论陕西省玉米制品中真菌毒素的污染以FB、DON及其衍生物和ZEN为主,且单一样品受到多种真菌毒素的联合污染。
[Abstract]:Objective to investigate the contamination of mycotoxins in maize and its products. Methods 120 samples of corn and its products were collected in 10 cities of Shaanxi Province in 2016. A total of 15 mycotoxins were detected. Ultrahigh performance liquid chromatography was used to detect aflatoxins (AFs), zearalenone (ZENN), fumonisins (FBs1), deoxynivalenoldol (DON3), nivalenolone (NIV) and T2HT2 (T2HT2) by ultrahigh performance liquid chromatography-mass spectrometry (UHPLC-MS), respectively, for the detection of aflatoxins (AFS) and zearalenone (ZENN), and for the detection of fumonisins (FBsN), deoxynivalenoldol (DON) 3-A -DONN (15-DONN), nivalenolnivalenolone (NIVN) and T2HT2 (T2HT2). Ochratoxin A(ochratoxin. Results various mycotoxins were detected in corn and corn products, and the total detection rate was 98.3%. The detectable rate of ZEN in corn and its products was 49.2%. The detection rate of ZEN exceeded the limit value of 60 渭 g/kg specified by the state. The detectable rate of OTA and AFB1 were 74.2% and 1.7%, respectively. None of the samples were detected in excess of the standard, and the other 11 toxins were not limited. Of all the mycotoxins detected, the highest detectable rates were FBsOFB1FB2 and FB3-A-DON and their derivatives DON3-A-DON and 15-A-DON) and ZENN. The detection rate of FBs was the highest. The detection rate of FB1 was more than 70%. The average detection rate of FB1 was 106 渭 g/kg.DON, and the detection rate of two derivatives was second only to the detection level of FBs.AFTTA T2T2T2HT2. OTA was the lowest detection rate of mycotoxin. 93%. The rice samples were contaminated by two or more mycotoxins. Conclusion the contamination of mycotoxins in maize products in Shaanxi Province is mainly caused by FBDON and its derivatives and ZEN, and a single sample is contaminated by a combination of several mycotoxins.
【作者单位】: 陕西省疾病预防控制中心;
【分类号】:R155.5
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