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Insight into the Volatile Profiles and Key Odorants of Rizhao Green Tea by Application of SBSE-GC-MS, OAVs and GC-O Analysis

文献类型： 外文期刊

作者： Wang, Mengqi 1 ; Song, Dapeng 1 ; Yin, Hongxu 2 ; Fang, Fengxiang 1 ; Shi, Yali 3 ; Wang, Hui 1 ; Li, Jiyan 1 ; Wang, Kunpeng 1 ; Zhu, Yin 4 ; Lv, Haipeng 4 ; Ding, Shibo 1 ;

作者机构： 1.Rizhao Acad Agr Sci, Tea Res Inst, Rizhao 276800, Peoples R China

2.Rizhao Donggang Dist Agr & Rural Bur, Rizhao 276800, Peoples R China

3.Shandong Acad Agr Sci, Tea Res Inst, Jinan 250100, Peoples R China

4.Chinese Acad Agr Sci, Key Lab Biol Genet & Breeding Special Econ Anim &, Minist Agr & Rural Affairs, Tea Res Inst, Hangzhou 310008, Peoples R China

关键词： Rizhao green tea (RZT); SBSE-GC-MS; odor activity values; aroma quality; key odorants; aroma wheel

期刊名称：FOODS （ 影响因子：5.1； 五年影响因子：5.6 ）

ISSN：

年卷期： 2025 年 14 卷 3 期

页码：

收录情况： SCI

摘要： Rizhao green tea (RZT), a renowned green tea, is cultivated in China's northernmost tea region. Its unique environment endows it with a strong chestnut- and seaweed-like aroma. This study sought to explore the volatile profiles of RZT and pinpoint its key odorants by employing stir bar sorptive extraction (SBSE) coupled with gas chromatography-mass spectrometry (GC-MS), determining the odor activity value (OAV), and performing gas chromatography-olfactometry (GC-O). A total of 112 volatiles were identified, and the major volatile compounds were esters (2035.25 mu g/kg), alcohols (1799.02 mu g/kg), alkanes (991.88 mu g/kg), and ketones (691.96 mu g/kg), comprising 74.91% of the total. A molecular aroma wheel was preliminarily established based on these key odorants. These insights might contribute to the scientific elucidation of the flavor chemical basis of RZT.

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