本文選題：產毒真菌 + 辣椒�。� 參考：《現(xiàn)代預防醫(yī)學》2015年10期

【摘要】：目的研究市售辣椒粉樣品中曲霉、青霉分離株的產毒能力,為食品安全監(jiān)測提供數(shù)據(jù)支撐。方法采集成都市農貿市場辣椒粉樣本共40份,稀釋后傾注孟加拉紅培養(yǎng)基培養(yǎng),挑取霉菌菌落點種察氏培養(yǎng)基,根據(jù)菌落特征和鏡下特征,鑒定曲霉和青霉;參照SN/T 1035-2011的方法,檢測曲霉和青霉分離株的產毒能力。結果共分離到87株曲霉和青霉,優(yōu)勢菌種為黃曲霉和黑曲霉,其在樣品中檢出率分別為45.00%、40.00%。87株菌有68株產毒,占78.16%,分離株產毒陽性率分別為黑曲霉100.00%、黃曲霉92.86%和青霉85.00%。結論市售辣椒粉樣品曲霉、青霉分離株產毒陽性率高,其中以黃曲霉及黑曲霉菌株產毒能力最為突出,提示樣品受真菌毒素,特別是黃曲霉毒素和赭曲霉毒素污染風險較高。
[Abstract]:Objective to study the virulence of Aspergillus and Penicillium isolates from pepper powder samples and to provide data support for food safety monitoring. Methods A total of 40 samples of pepper powder were collected from the farmers' market in Chengdu, and then diluted with Bengal red culture medium, and the colony point of mycetes was selected to identify Aspergillus and penicillium according to the characteristics of colony and under microscope, and the method of SNR / T 1035-2011 was used to identify Aspergillus and penicillium. The virulence of Aspergillus and Penicillium isolates were determined. Results A total of 87 strains of Aspergillus and Penicillium were isolated. The dominant strains were Aspergillus flavus and Aspergillus Niger. The positive rates of Aspergillus Niger, Aspergillus flavus and Penicillium were 45.00%, 92.86% and 85.00%, respectively. Conclusion the positive rate of Aspergillus and penicillium isolates on the market is high, and the strains of Aspergillus Niger and aflatoxin are the most prominent, suggesting that the samples are at high risk of contamination by mycotoxins, especially aflatoxin and ochratoxin.
【作者單位】： 四川大學華西公共衛(wèi)生學院(華西第四醫(yī)院);食品安全監(jiān)測與風險評估四川省重點實驗室;
【基金】：國家自然科學基金重點項目“水產品/農產品/香料中化學污染物/產毒真菌的快速檢測和食品中有害物質健康危害的安全性評價研究”(No.81030053)資助
【分類號】：R155.5

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本文編號：1992893