Identification of key precursors of eugenol and Syringol in wines using a Pseudo-targeted Metabolomic approach
文献类型： 外文期刊
作者： Yang, Weixi 1 ; Zheng, Ziang 1 ; Yang, Yingying 1 ; You, Yunzhu 1 ; Ye, Dongqing 3 ; Zhang, Zhenzhen 4 ; Yu, Keji 1 ; Shi, Ying 1 ; Duan, Changqing 1 ; Lan, Yibin 1 ;
作者机构： 1.China Agr Univ, Coll Food Sci & Nutr Engn, Ctr Viticulture & Enol, 17 Tsinghua East Rd, Beijing 100083, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Viticulture & Enol, Beijing 100083, Peoples R China
3.Guangxi Acad Agr Sci, Guangxi Key Lab Fruits & Vegetables Storage Proc T, Nanning 530007, Guangxi, Peoples R China
4.Xinjiang Agr Univ, Coll Food Sci & Pharm, Urumqi 830052, Xinjiang, Peoples R China
关键词： East Asian species; pseudo-targeted metabolomic approach; Aroma; Precursor identification; Hydrolysis
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 477 卷
页码：
收录情况： SCI
摘要： Elevated levels of eugenol and syringol in wines have been observed to impart a smoky, medicinal, and spicy aroma, particularly in wines produced from East Asian species. The precursors of these compounds remain to be elucidated. Therefore, a novel pseudo-targeted metabolomic approach was proposed to screen the key precursors of eugenol and syringol in grape berries. Subsequently, the identified precursors were validated through hydrolysis experiments. The results demonstrated that the key precursors of eugenol were four glycosidic forms present in the berry, including eugenol-beta-D-rutinoside, eugenol-dihexose, eugenol-hexose-pentose, and eugenolhexose glucoside. Similarly, the key precursors of syringol were five glycosidic forms of syringol present in the berry, which included two syringol-dihexoses, two syringol-hexose-deoxyhexoses, and one syringol-hexosepentose. The pseudo-targeted metabolomic approach proved an effective methodology in this study, offering alternative insights that could inform similar investigations.
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