H-1 NMR-based metabolic profiling approach to identify the geo-authentic Chinese yam (Dioscorea polystachya Turczaninow cv. Tiegun)
文献类型： 外文期刊
作者： Wang, Qiang 1 ; Wang, Xiaohui 1 ; Wu, Xujin 4 ; Wang, Yanli 2 ; Zhang, Yuli 3 ; Jiang, Yaling 1 ; Zhang, Chaonan 2 ; Huan 1 ;
作者机构： 1.Zhengzhou Univ Ind Technol, Sch Pharm & Chem Engn, Zhengzhou 451100, Peoples R China
2.Natl Hlth Commiss, Key Lab Birth Defect Prevent, Zhengzhou 450002, Peoples R China
3.Henan Acad Sci, High & New Technol Res Ctr, Zhengzhou 450002, Peoples R China
4.Henan Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Zhengzhou 450002, Peoples R China
5.Henan Inst Reprod Hlth Sci & Technol, Zhengzhou 450002, Peoples R China
6.Northeast Forestry Univ, Coll Comp & Informat Engn, Harbin 150040, Peoples R China
关键词： Geo-authentic Chinese yam; Authenticity; Metabolomics; NMR; Glucose; Fructose; Identification reagent
期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：3.721； 五年影响因子：3.829 ）
ISSN： 0889-1575
年卷期： 2021 年 98 卷
页码：
收录情况： SCI
摘要： Chinese Yams (Dioscorea polystachya Turczaninow) are mainly used as functional food and traditional Chinese medicine in China. Adulteration is a major problem in the food and herbal industry and has affected the commercial use of natural products. Here, a H-1 NMR-based metabolomics approach was used for the identification of the distinguishing metabolites between geo-authentic Chinese yam (D. polystachya cv. Tiegun plants grown in Wenxian County) and other yams. The metabolomics results suggested that the geo-authentic Chinese yam had the lowest concentrations of glucose, fructose and sucrose and the highest concentrations of leucine, threonine, arginine, glutamate, aspartate, citrate and choline among all yams tested. HPLC method confirmed the results that geo-authentic Chinese yam had lower concentrations of glucose, fructose and sucrose than the other yams. These results indicated geo-authentic Chinese yam could be verified according to the contents of glucose and fructose. And the tetrazolium solution can be used as an identification reagent for the rapid discrimination of geo-authentic Chinese yam based on the color reaction of glucose.
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