Analysis on the Difference of Main Chemical Components of Different Aromatic Green Tea from Xiangyang

ZHENG Lin; LIU Panpan; GONG Ziming; WANG Xueping; CHENG Yifang; YANG Wei; TANG Qianyong; ZHENG pengcheng

doi:10.13386/j.issn1002-0306.2020050112

Volume 42 Issue 4

Feb. 2021

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Science and Technology of Food Industry > 2021 > 42(4): 252-258. > DOI: 10.13386/j.issn1002-0306.2020050112

ZHENG Lin, LIU Panpan, GONG Ziming, WANG Xueping, CHENG Yifang, YANG Wei, TANG Qianyong, ZHENG pengcheng. Analysis on the Difference of Main Chemical Components of Different Aromatic Green Tea from Xiangyang[J]. Science and Technology of Food Industry, 2021, 42(4): 252-258. DOI: 10.13386/j.issn1002-0306.2020050112

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Analysis on the Difference of Main Chemical Components of Different Aromatic Green Tea from Xiangyang

1. Institute of Fruit and Tea, Hubei Academy of Agricultural Sciences, Hubei Tea Engineering and Technology Research Centre, Wuhan 430064, China;
2. Xiangyang Academy of Agricultural Sciences, Xiangyang 441057, China

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Received Date: May 10, 2020
Available Online: March 01, 2021

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Abstract

Abstract

In order to further clarify the quality characteristics of Xiangyang green tea,on the basis of sensory evaluation,17 samples were selected to be determined and analyzed systematically with the methods of high-performance liquid chromatography,gas chromatography-mass spectrometry and multivariate analysis. The results showed that:In the different aromatic green tea,the total contents of water extracts,tea polyphenols,the total contents of catechins and non-ester catechins were significantly different,but the contents of amino acids,caffeine,gallic acid and ester catechins were not significantly different,and the contents of water extract,tea polyphenols and epigallocatechin gallate,chestnut flavor>tender flavor>delicate flavor,while the contents of amino acid,chestnut flavorα-farnesene could be used as the characteristic volatile components of chestnut flavor type.
- Xiangyang green tea,
- taste,
- aroma,
- multivariate statistical analysis

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