Metabolomic characterization of the chemical compositions of Dracocephalum rupestre Hance

文献类型： 外文期刊

第一作者： Gao, Jianjian

作者： Gao, Jianjian;Wang, Zhe;Chen, Dan;Peng, Jiakun;Xie, Dongchao;Lin, Zhiyuan;Lin, Zhi;Dai, Weidong;Gao, Jianjian;Peng, Jiakun

作者机构：

关键词： Dracocephalum rupestre Hance; Metabolomics; Processing methods; Chemical composition; LC-MS

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：7.425； 五年影响因子：7.716 ）

ISSN： 0963-9969

年卷期： 2022 年 161 卷

页码：

收录情况： SCI

摘要： Maojian tea (MJT) is a traditional Chinese herbal tea beverage manufactured from the leaves of the Dracoce-phalum rupestre Hance plant. In this study, a nontargeted metabolomics approach combined with absolute quantifications was applied to comprehensively investigate the chemical compositions of MJT and to determine the effects of the processing methods on compounds. Flavones (apigenin and luteolin, 0.06-1.35 mg/g), flava-nones (eriodictyol and naringenin, 0.1-2.3 mg/g), flavone 7-O-glycosides (0.15-5.98 mg/g), flavanone 7-O -gly-cosides (0.28-19.41 mg/g), and triterpenoids were presumed to be characteristic components of MJT. Applying imitative green and black tea processing methods to MJT led to increases in flavone/flavanone aglycones, lipids, and triterpenoids and decreases in flavone/flavanone glycosides, amino acids, organic acids, and most phenolic acids. This study offers novel insights into the chemical compositions and the influences of processing methods on MJT and will be utilized for the quality control of MJT.

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