谷物类食品中的B型毛霉烯：方便调查样品的方法验证与分析。

IF 6.2 1区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of Agricultural and Food Chemistry Pub Date : 2025-10-02 DOI:10.1021/acs.jafc.5c09422

Kai Zhang,Brenna M Flannery,Selena Jiang

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引用次数: 0

摘要

美国食品和药物管理局监测食品供应中的脱氧雪腐菌烯醇，成品小麦的建议含量为1000纳克/克。为了更好地了解在美国市场上可买到的食品中脱氧雪腐镰斧烯醇和相关的B型trichocenes──雪腐镰斧烯醇、3-乙酰和15-乙酰脱氧雪腐镰斧烯醇以及脱氧雪腐镰斧烯醇-3-葡萄糖苷──的存在，我们开发并验证了一种液相色谱-串联质谱法来测定它们。使用该方法，我们对61种婴幼儿产品和35种谷物食品进行了方便抽样分析。5种B型霉菌毒素的总检出率为24%(23/96)，在14种婴幼儿食品和8种谷物食品中检出最多的霉菌毒素是脱氧雪腐菌醇（15 ~ 312 ng/g）。在所有样品中均未检测到3-和15-乙酰脱氧雪腐烯醇。14种婴幼儿产品中有8种检测阳性，脱氧雪腐镰刀菌醇-3-葡萄糖苷和脱氧雪腐镰刀菌醇共存，浓度比在0.1 ~ 0.7之间。

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Type B Trichothecenes in Grain-Based Foods: Method Validation and Analysis of Convenience Survey Samples.

The FDA monitors deoxynivalenol in the food supply, with an advisory level of 1,000 ng/g established for finished wheat products. To better understand the presence of deoxynivalenol and related type B trichothecenes─nivalenol, 3- and 15-acetyl-deoxynivalenol, and deoxynivalenol-3-glucoside─in food products available in the United States market, we developed and validated a liquid chromatography-tandem mass spectrometry method for their determination. Using this method, we analyzed a convenience sampling of 61 infant/toddler products and 35 grain-based food products. The overall detection rate for the five type B trichothecenes was 24% (23/96), with deoxynivalenol being the most frequently detected mycotoxin (15-312 ng/g) in 14 infant/toddler and 8 grain-based food products. Neither 3- nor 15-acetyl-deoxynivalenol was detected in any samples. Co-occurrence of deoxynivalenol-3-glucoside and deoxynivalenol was found in 8 of the 14 infant/toddler products with positive detects, with concentration ratios ranging from 0.1 to 0.7.

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来源期刊

Journal of Agricultural and Food Chemistry 农林科学-农业综合

CiteScore

9.90

自引率

8.20%

发文量

1375

审稿时长

2.3 months

期刊介绍： The Journal of Agricultural and Food Chemistry publishes high-quality, cutting edge original research representing complete studies and research advances dealing with the chemistry and biochemistry of agriculture and food. The Journal also encourages papers with chemistry and/or biochemistry as a major component combined with biological/sensory/nutritional/toxicological evaluation related to agriculture and/or food.