苏丹喀土穆州植物油中的黄曲霉毒素水平。

Aflatoxins levels in vegetable oils in Khartoum State, Sudan.

机构信息

Central Laboratory, Ministry of Sciences and Technology, Khartoum, Sudan,

出版信息

Mycotoxin Res. 2010 May;26(2):69-73. doi: 10.1007/s12550-010-0041-z. Epub 2010 Mar 23.

Abstract

Vegetable oil (n = 81) for human consumption from Khartoum State in Sudan were analyzed for aflatoxins (AFs), using high-performance liquid chromatography (HPLC) with fluorescence detection following extraction with methanol:water (80:20) and clean-up using petroleum ether. Sampling included sesame oil (n = 14), peanut oil (n = 21), and sunflower oil (n = 19) purchased from retail shops, and mixed oil produced by two local manufacturers (factory A, n = 15; factory B, n = 12). AF contamination was found in 80/81 (98.8%) samples, with total AF levels [Formula: see text] of 0.43-339.9 µg/kg and mean level of 57.5 µg/kg. All sesame oils had total AF levels that were much higher than the United States Food and Drug Administration acceptable limit of 20 µg/kg. The percentage of samples with total AF values <20 µg/kg in other oils varied and was 57.14% in peanut oil, 36.8% in sunflower oil, 66.7% (mixed oil from factory A), and 91.7% (mixed oil from factory B). In conclusion, the levels of total AFs in edible oil as available in Khartoum State are quite alarming. To reduce the health hazards for the consumers, an intervention strategy to manage AFs in food commodities from Sudan is urgently required.

摘要

对来自苏丹喀土穆州供人类食用的植物油(n=81)进行了黄曲霉毒素(AFs)分析,采用高效液相色谱法(HPLC),用甲醇:水(80:20)提取,并用石油醚进行净化。采样包括从零售店购买的芝麻油(n=14)、花生油(n=21)和葵花籽油(n=19),以及当地两家制造商生产的混合油(工厂 A,n=15;工厂 B,n=12)。80/81(98.8%)个样本中发现了 AF 污染,总 AF 水平[公式:见正文]为 0.43-339.9µg/kg,平均水平为 57.5µg/kg。所有芝麻油的总 AF 水平都远高于美国食品和药物管理局可接受的 20µg/kg 限量。其他油中总 AF 值<20µg/kg 的样本比例不同,花生油为 57.14%,葵花籽油为 36.8%,工厂 A 的混合油为 66.7%,工厂 B 的混合油为 91.7%。总之,喀土穆州可获得的食用油中总 AFs 的水平相当令人震惊。为了降低消费者的健康危害,迫切需要采取干预策略来管理来自苏丹的食品商品中的 AFs。

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