伊拉克杜胡克省/库尔德斯坦菜豆产毒真菌和真菌毒素检测研究

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引用次数: 0

摘要

普通豆(Phaseolus vulgaris L.)是最广泛种植的豆类之一,在伊拉克的库尔德斯坦,农民种植了各种栽培变种。对50份大豆样品进行了真菌学污染检测,确定了在一定条件下大豆籽粒内可能产生多种真菌的产毒潜力;其中一些具有合成真菌毒素的能力。本研究对大豆(Phaseolus vulgaris L.)中的产毒真菌进行了研究。分离最多的属为曲霉、镰刀菌和青霉,其次为霉霉、毛霉、Alternaria、曲霉、Rhizopus、Eurotium、Chaetomium、酵母和Drechslera。20株曲霉中有11株产生真菌毒素,30%产生的黄曲霉毒素含量在81 ~ 260 ppb之间;5%的镰刀菌产生赭曲霉毒素A (OTA 70-100 ppb), 26.6%的镰刀菌产生毛霉烯T-2/HT-2 (50- 94 ppb)。产毒种主要有黄曲霉、寄生霉、黑曲霉、炭疽霉和孢子毛霉。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Studying Toxigenic Fungi and Mycotoxins Detection from Bean (Phaseolus vulgaris L) in Duhok Province/Kurdistan of Iraq.
The common bean (Phaseolus vulgaris L.) is one of the most widely farmed legumes, with farmers cultivating a variety of cultivar variants in Kurdistan of Iraq. Total of 50 bean samples were tested to establish their mycological contamination and their toxigenic potential under certain conditions, a variety of fungi may develop within bean grains; some of which have the capacity to synthesize mycotoxins. In current study toxigenic fungi were studied in beans (Phaseolus vulgaris L.) Aspergillus spp., Fusarium spp. and Penicillium spp. were the most frequently isolated genera, followed by Phoma sp., Mucor spp., Alternaria spp., Curvularia spp., Rhizopus spp., Eurotium sp. Chaetomium spp, Yeasts and Drechslera spp. Among 20 Aspergillus 11 strains produced mycotoxins: 30% produced aflatoxins (AFs) ranged between 81-260 ppb; 5% produced ochratoxin A (OTA 70-100 ppb) and 26.6% of Fusarium produced Trichothecene T-2/HT-2 (50- 94 ppb). The toxigenic species were A. flavus, A. parasiticus, A. ochraceus, A. carbonarius A. niger and F. sporotrichioides.
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