Origin verification of Chinese concentrated apple juice using stable isotopic and mineral elemental fingerprints coupled with chemometrics

文献类型： 外文期刊

第一作者： Liu, Xiaohan

作者： Liu, Xiaohan;Qi, Pengyu;Liu, Yaxin;Zhang, Jinjie;Zhang, Ang;Liu, Xiaohan;Li, Xiyu;Deng, Wenyi;Sang, Yaxin;Zhao, Yan;Sadiq, Faizan Ahmed

作者机构：

关键词： Concentrated apple juice; Production areas; Stable isotope; Mineral element; Geographical origin; Predictive model

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.52； 五年影响因子：4.942 ）

ISSN： 0889-1575

年卷期： 2022 年 109 卷

页码：

收录情况： SCI

摘要： Verification of the origin of 116 concentrated apple juice (CAJ) samples from three production areas (BHB, SCH and LP) of China was investigated in a trial using stable isotopic (613C, 618O and 6D) and the contents of 26 mineral elements. Our aim was to identify and differentiate the geographical origin of these CAJ samples, and more importantly to establish a model that can be used to verify geographical origin of Chinese CAJ samples, as to date there is no such study. Combining with the multivariate statistical analyses including principal component analysis (PCA) and partial least squared-discriminant analysis (PLS-DA), the predictive models were successfully established to discriminate diverse CAJ producing areas with an accuracy rate of 93.2 %. The most important variables to discriminate CAJ of Chinese origin were turned out to be 6D, Mg, Tl, 618O, Mo, Sr, V, As, and 613C. Therefore, the results of this first exploratory work highlight the possibility of discriminating CAJ of different provenance. This work proposes the use of combined analyses related to stable isotopes and minerals elements as markers for CAJ certification. Our study helps to fill in the gap of origin identification of CAJ in China.

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