Combining stable isotope, multielement and untargeted metabolomics with chemometrics to discriminate the geographical origins of ginger (Zingiber officinale Roscoe)
文献类型： 外文期刊
作者： Yu, Dai-xin 1 ; Guo, Sheng 1 ; Zhang, Xia 2 ; Yan, Hui 1 ; Mao, Su-wan 2 ; Wang, Jie-mei 1 ; Zhou, Jia-qi 1 ; Yang, Jian 3 ; Yuan, Yu-wei 4 ; Duan, Jin-ao 1 ;
作者机构： 1.Nanjing Univ Chinese Med, Natl & Local Collaborat Engn Ctr Chinese Med Resou, Jiangsu Collaborat Innovat Ctr Chinese Med Resourc, Nanjing 210023, Peoples R China
2.Nanjing Univ Chinese Med, Coll Artificial Intelligence & Informat Technol, Nanjing 210023, Peoples R China
3.China Acad Chinese Med Sci, Natl Resource Ctr Chinese Mat Med, State Key Lab Dao Di Herbs Breeding Base, Beijing 100700, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Key Lab Informat Traceabil Agr Prod, Minist Agr & Rural Affairs China, Hangzhou 310021, Peoples R China
关键词： Ginger; Stable isotopes; Multielements; Metabolomic; Chemometrics; Geographical origin
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 426 卷
页码：
收录情况： SCI
摘要： Ginger (Zingiber officinale Roscoe) is a high-value food and herb worldwide. The quality of ginger is often related to its production regions. In this study, stable isotopes, multiple elements, and metabolites were investigated together to realize ginger origin traceability. Chemometrics showed that ginger samples could be preliminarily separated, and 4 isotopes (& delta;13C, & delta;2H, & delta;18O, and & delta;34S), 12 mineral elements (Rb, Mn, V, Na, Sm, K, Ga, Cd, Al, Ti, Mg, and Li), 1 bioelement (%C), and 143 metabolites were the most important variables for discrimination. Furthermore, three algorithms were introduced, and the fused dataset based on VIP features led to the highest accuracies for origin classification, with predictive rates of 98% for K-nearest neighbor and 100% for support vector machine and random forest. The results demonstrated that isotopic, elemental, and metabolic fingerprints were useful indicators for the geographical origins of Chinese ginger.
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