A review of recent compound-specific isotope analysis studies applied to food authentication

文献类型： 外文期刊

第一作者： Liu, Hongyan

作者： Liu, Hongyan;Liu, Yi;Nie, Jing;Wadood, Syed Abdul;Rogers, Karyne M.;Yuan, Yuwei;Rogers, Karyne M.;Gan, Ren-You

作者机构：

关键词： Stable isotopes; Adulteration; Geographical origin; Organic authentication; Chemometrics; CSIA

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2023 年 415 卷

页码：

收录情况： SCI

摘要： Compound-specific stable isotope analysis (CSIA) of food products is a relatively new and novel technique used to authenticate food and detect adulteration. This paper provides a review of recent on-line and off-line CSIA applications of plant and animal origin foods, essential oils and plant extracts. Different food discrimination techniques, applications, scope, and recent studies are discussed. CSIA delta 13C values are widely used to verify geographical origin, organic production, and adulteration. The delta 15N values of individual amino acids and nitrate fertilizers have proven effective to authenticate organic foods, while delta 2H and delta 18O values are useful to link food products with local precipitation for geographical origin verification. Most CSIA techniques focus on fatty acids, amino acids, monosaccharides, disaccharides, organic acids, and volatile compounds enabling more selective and detailed origin and authentication information than bulk isotope analyses.. In conclusion, CSIA has a stronger analytical advantage for the authentication of food compared to bulk stable isotope analysis, especially for honey, beverages, essential oils, and processed foods.

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