期刊
FOOD CHEMISTRY
卷 368, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130826
关键词
Assessment; Nutrient; Arsenic; In vitro model; Chinese mitten crab
资金
- National Key RAMP
- D Program of China [2019YFC1605802-1]
- National natural science foundation of China [31802271]
- Central Public-interest Scientific Institution Basal Research Fund, CAFS [2018HY-ZD0605]
The relationship between arsenic contamination and the benefit-risk ratio of essential polyunsaturated fatty acids in Chinese mitten crabs has been quantified, highlighting the potential underestimation of risks in the original assessment method. It is suggested that a steaming duration exceeding 30 minutes can achieve a good balance between dietary benefits and risks.
The safety and quality of aquatic foods are a public concern due to their content of pollutants, such as arsenic. A formula is derived for quantifying the benefit-risk ratio (HQ) of the essential polyunsaturated fatty acids vs. arsenic in Chinses mitten crabs. Among these arsenic species, the proportion of inorganic arsenic, which is extremely harmful to the human body, is<5%, and its level does not exceed the national standard limit. Meanwhile, comparing with the HQ from the original method, the HQs from groups 0 min, 5 min, 15 min are significantly higher(p < 0.05). This suggests the original assessment method could underestimate the risk of eating crabs. Eating steamed crabs is easier to digest essential fatty acids (EFAs) than eating raw crabs, and it also protects consumers against arsenic exposure. To achieve a good balance of dietary benefits and risks, the steaming duration of the crabs should exceed 30 min.
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