广东罗坑野生茶树群落红茶香气物质鉴析

doi:10.11924/j.issn.1000-6850.2014-2407

中国农学通报 ›› 2015, Vol. 31 ›› Issue (5): 120-126.doi: 10.11924/j.issn.1000-6850.2014-2407

所属专题：园艺

广东罗坑野生茶树群落红茶香气物质鉴析

王秋霜,许勇泉,刘淑媚,姜晓辉,操君喜,陈栋

广东省农业科学院茶叶研究所,中国农业科学院茶叶研究所,广东省农业科学院饮用植物研究所,广东省农业科学院饮用植物研究所,,广东省农业科学院饮用植物研究所（茶叶研究中心），广东省茶树资源创新利用重点实验室，

收稿日期:2014-09-03 修回日期:2015-02-04 接受日期:2015-01-08 出版日期:2015-03-20 发布日期:2015-03-20
通讯作者: 王秋霜
基金资助:
现代茶叶产业技术体系

Analysis of Aroma Components in Black Tea made of Wild Tea Community in Luokeng Guangdong

Received:2014-09-03 Revised:2015-02-04 Accepted:2015-01-08 Online:2015-03-20 Published:2015-03-20

摘要/Abstract

摘要： 为研究广东省罗坑镇野生型与栽培型红茶香气物质并确定其特异性香气成分，采用顶空固相微萃取(HS-SPME)结合气质联用技术(GC-MS)对芦溪野生红茶、花蕉岩野生红茶、上坑野生红茶、上斜野生红茶、奖公茶红茶等的红茶香气组成进行鉴定和分析。结果表明，在广东罗坑红茶中共鉴定出 66种香气化合物，主要种类包含醇类、酯类、醛类、酮类、烯类和烷烃类等，其中醇类和醛类是主要的香气物质，占香气物质的 70%以上。香气化合物中香叶醇、苯甲醛、 β-芳樟醇和水杨酸甲酯是 4种最主要的成分，加上苯乙醛、脱氢芳樟醇及β-紫罗酮共同组成野生红茶的主导香气成分；其中苯甲醛是特异性香气成分，也是杏仁香气特征的重要体现。感官审评的结果与香气物质的分析结果一致。罗坑野生红茶杏仁香特征明显，带甜香。

关键词: 晋西黄土区, 晋西黄土区

Abstract: To study the volatile aroma component in Guangdong Luokeng wild black tea and determine the main aroma components, the headspace solid- phase micro- extraction (HS- SPME) method and gas chromatography- mass spectrometry (GC-MS) were used to determine the aroma compounds in Luxi wild black tea, Huajiaoyan wild black tea, Shangxie wild black tea, Jianggong wild black tea, etc. The result showed that 66 aroma compounds in Guangdong Luokeng wild black tea were identified including alcohol, ester, aldehyde, ketones, terpene, hydrocarbon, etc., among which the alcohol and aldehydes were the most important compounds, representing more than 70% of the total aroma. Geraniol, benzaldehyde, β- linalool and methl salicylate, the four most important compounds, combined with phenylacetaldehyde, dehydro-linalool and β- ionone composed dominant aroma of wild black tea; among them benzaldehyde was the special aroma compound, which had almond aroma character. The result of sensory evaluation agreed with the analysis of aroma. Luokeng wild black tea had obvious almond aroma, with sweet aroma.

王秋霜,许勇泉,刘淑媚,姜晓辉,操君喜,陈栋. 广东罗坑野生茶树群落红茶香气物质鉴析[J]. 中国农学通报, 2015, 31(5): 120-126.

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广东罗坑野生茶树群落红茶香气物质鉴析

Analysis of Aroma Components in Black Tea made of Wild Tea Community in Luokeng Guangdong

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