Chemical Characterization of the Aroma and Taste of Qingxiang Tieguanyin Tea

doi:10.7506/spkx1002-6630-20231114-107

FOOD SCIENCE ›› 2024, Vol. 45 ›› Issue (15): 157-167.doi: 10.7506/spkx1002-6630-20231114-107

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Chemical Characterization of the Aroma and Taste of Qingxiang Tieguanyin Tea

HE Chunmei, LI Mingjin, LI Xinyue, YE Naixing, CHEN Chengcong, GAO Shuilian, JIN Shan

(1. Key Laboratory of Tea Science in Universities of Fujian Province, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; 2. People’s Government of Xiaobu Town, Ningdu County, Ganzhou 342813, China; 3. National Tea Quality and Safety Engineering Technology Research Center, Quanzhou 362441, China; 4. Anxi College of Tea Science, Fujian Agriculture and Forestry University, Quanzhou 362400, China)

Online:2024-08-15 Published:2024-08-04

Abstract

Abstract: The aroma and taste profiles of Qingxiang Tieguanyin tea from different regions were determined through sensory evaluation and quantitative descriptive analysis of sensory attributes. By gas chromatography-mass spectrometry (GC-MS), biochemical composition analysis, ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS) and metrological statistical analysis, the aroma and taste constituents of the tea were determined. The correlation between aroma and taste components and aroma and taste attributes was explored by correlation analysis and regression analysis, and the correlation between taste components and taste attributes was verified through experiments. The results showed that the sensory quality of Qingxiang Tieguanyin tea had regional characteristics and the aroma composition was dominated by terpenoids, followed by esters. Water content, water extract content, total tea polyphenols content and theaflavins content were the major biochemical factors responsible for the taste quality.

Key words: Qingxiang Tieguanyin; aroma; taste; sensory attributes; correlation analysis; chemical composition

CLC Number:

TS272

HE Chunmei, LI Mingjin, LI Xinyue, YE Naixing, CHEN Chengcong, GAO Shuilian, JIN Shan. Chemical Characterization of the Aroma and Taste of Qingxiang Tieguanyin Tea[J]. FOOD SCIENCE, 2024, 45(15): 157-167.

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Chemical Characterization of the Aroma and Taste of Qingxiang Tieguanyin Tea

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