Occurrence of patulin in various fruit products and dietary exposure assessment for consumers in China

文献类型： 外文期刊

第一作者： Ji, Xiaofeng

作者： Ji, Xiaofeng;Li, Rui;Yang, Hua;Qi, Peipei;Xiao, Yingping;Qian, Mingrong;Ji, Xiaofeng;Li, Rui;Yang, Hua;Qi, Peipei;Xiao, Yingping;Qian, Mingrong;Ji, Xiaofeng;Li, Rui;Yang, Hua;Qi, Peipei;Xiao, Yingping;Qian, Mingrong

作者机构：

关键词： Patulin;HPLC;Fruit;Longan;Dietary exposure

期刊名称：FOOD CONTROL （ 影响因子：5.548； 五年影响因子：5.498 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： A quantitative method with broad applicability was developed and validated for patulin determination in fruit products by high-performance liquid chromatography (HPLC) with UV detection. Sample pretreatment was optimized for patulin extraction. 4.0 g of fruit products was extracted for patulin determination with acetonitrile and purified with a mixture of 1.0 g PSA and 3 g MgSO4 plus a multifunctional cartridge to remove interferences. Under optimized conditions, the recoveries ranging from 75.6% to 118.5% were obtained at different spiking concentrations in various fruit products. The correlation coefficient of patulin from 5 to 1000 a was approximately 1.00. The limits of detection (LODs) were from 2.6 to 7.5 mu g/kg, and the limits of quantification (LOQs) were from 8.0 to 15.0 mu g/kg for patulin in various fruit products. A total of 137 fruit products (97 dried fruits, 20 fruit juice and 20 jams) marketed and consumed in China were investigated. The incidence of patulin in fruit products was 30.7% (42/137) with a concentration ranging from 10.0 to 276.9 mu g/kg. This study revealed that the dried figs, dried longans (seedless) and dried hawthorn products showed an average of patulin contamination of 87.6 mu g/kg, 68.4 mu g/kg and 5.1 mu g/kg, respectively; the fruit juice of 5.4 mu g/kg; the fruit jams of 5.0 mu g/kg. The highest levels of patulin were found mostly in dried longans (seedless) and dried figs. Overall, 17.5% of total samples exceeded the maximum limit of 50 mu g/kg set by the EU regulation. Chronic intake assessment indicated that only 0.29% (Hazard Quotient) acceptable daily intake (PMTDI, 0.4 mu g/kg bw/day) was consumed through dried fruits, fruit juice and jams. Individual dietary risk assessment indicated patulin contamination in fruit products doesn't pose public health risks, but combined additive or synergistic toxic effects caused by multiple mycotoxin contaminations should not be ignored. (C) 2017 Elsevier Ltd. All rights reserved.

分类号： TS2

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