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Profiles of fungal metabolites including regulated mycotoxins in individual dried Turkish figs by LC-MS/MS.
Mycotoxin Research ( IF 2.6 ) Pub Date : 2020-07-15 , DOI: 10.1007/s12550-020-00398-5
Michael Sulyok 1 , Rudolf Krska 1, 2 , Hamide Senyuva 3
Affiliation  

Fungal metabolites including regulated mycotoxins were identified by a validated LC-MS/MS method in 180 individual Turkish dried figs from 2017 and 2018 harvests. Hand-selected dried figs were subjectively classified based on the extent of fluorescence. Forty-three fungal metabolites including eight EU-regulated mycotoxins were identified and quantified. Figs classified as being uncontaminated mostly did not contain aflatoxins above 1 μg/kg. Despite being “uncontaminated” from an aflatoxin perspective, kojic acid was present in significant quantities with a maximum level of 3750 mg/kg (0.375% w/w) and tenuazonic acid was also found (2 μg/kg to 298 mg/kg) in some figs. Notable in the screening of figs has been the presence of significant amounts of aflatoxin M1 (AFM1) in figs also containing significant levels of aflatoxin B1 (AFB1), which is the first time that AFM1 has been reported as naturally occurring in dried figs.



中文翻译:

通过LC-MS / MS在单个无花果干无花果中的真菌代谢产物(包括调节的霉菌毒素)的概况。

通过有效的LC-MS / MS方法在2017年和2018年收获的180份土耳其无花果干中鉴定出了真菌代谢产物,包括经调节的霉菌毒素。根据荧光的程度,对精选的无花果干进行主观分类。鉴定并定量了43种真菌代谢物,其中包括8种欧盟规定的霉菌毒素。分类为未污染的无花果多数不含有高于1μg/ kg的黄曲霉毒素。尽管从黄曲霉毒素的角度来看是“未受污染的”,但曲酸的含量很高,最大含量为3750 mg / kg(0.375%w / w),还发现了Tenuazonic酸(2μg/ kg至298 mg / kg)。在一些无花果中。无花果筛查中值得注意的是大量黄曲霉毒素M 1的存在无花果中的AFM1(AFM1)也含有大量的黄曲霉毒素B 1(AFB1),这是首次报道AFM1自然存在于干无花果中。

更新日期:2020-07-15
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