在整个小麦产品加工链中对脱氧尼瓦伦醇及其衍生物的分布和安全性评估
Xiaofeng Ji1, Yeyu He1, Yingping Xiao1
1State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China.
Food research international (Ottawa, Ont.)
|August 15, 2024
概括
在小麦加工过程中,特别是饼干制造过程中,脱氧尼瓦伦醇 (DON) 含量显著下降. 饮食暴露评估显示,中国消费者的健康风险是可以接受的,婴儿和幼儿暴露率最高.
科学领域:
- 食品科学 食品科学 食品科学
- 菌类毒理学 菌类毒理学
- 分析化学 分析化学
背景情况:
- 脱氧尼瓦伦醇 (DON) 是小麦中普遍存在的真菌毒素,对人类健康构成风险.
- 了解在小麦加工过程中DON的命运对于风险评估和管理至关重要.
研究的目的:
- 系统评估在中国的小麦加工链中DON及其乙化衍生物 (3-Ac-DON,15-Ac-DON) 的分布和减少情况.
- 为了确定小麦面粉和衍生产品中DON的加工系数 (PF).
- 评估与中国人口中DON消费相关的饮食暴露和健康风险.
主要方法:
- 对整个小麦加工链进行一对一对应的研究.
- 使用液体染色学质谱法 (LC-MS/MS) 分析DON及其衍生物.
- 处理因子 (PF) 的计算和饮食暴露的评估.
主要成果:
- 将小麦谷物加工成面粉减少了DON的52.7%至68.2%.
- 将小麦面加工为产品,减少了7.0%-70.6%的DON,其中饼干减少率最高 (70.6%).
- DON的平均PF为小麦面粉的0.35,小麦面粉制品的0.37-0.84.
- 通过饮食暴露的评估表明,整体健康风险是可以接受的,婴儿和幼儿的暴露最高.
结论:
- 小麦加工,特别是饼干制造,有效地减少了DON污染.
- 该研究提供了对中国DON PFs的首次系统评估,为监管限制提供了信息.
- 目前,在中国,通过饮食接触DON的水平已经达到了可以接受的水平,但弱势群体需要注意.
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