摘要
【目的】分析不同季节对修仁茶挥发性成分的影响,为从香气组分的角度评价修仁茶的适制性提供理论依据。【方法】采用GC-MS法对春、夏、秋3季的修仁茶树品种加工成的绿茶和红茶的香气进行分析研究。【结果】在不同季节加工的修仁绿茶中,春茶、夏茶和秋茶的香气物质种类都是55种,且3个季节绿茶的香气成分组成比较相似,都是醇类物质相对含量最高,分别是为45.83%、37.75%和42.39%;春茶和秋茶的主导香气成分以花香型的醇类物质为主,分别占各自主导香气成分64.50%、57.10%,夏茶的主导香气成分种类最多。不同季节修仁红茶的香气成分组成比较相似,均为醇类物质的相对含量最高,分别为54.35%、52.80%和51.98%,且所占比例较绿茶高;主导香气成分也较相似,都是以均以芳樟醇的氧化物、香叶醇、苯乙醇为主。【结论】修仁品种茶的适制性较强,春、夏和秋茶均可适制红茶,且春茶可适制绿茶。
[ Objective ] The effect of different seasons on the volatile components of Xiurentea was analyzed, which provided the theoretical basis for access the suitability of Xiuren tea from the perspective of aroma components. [ Method ] The aroma-producing components in Xiuren green tea and Xiuren black tea prepared from Xiuren tea leaves, were studied by using gas chromatography and mass spectrometry （ GC- MS ）. [ Result ] There were 55 similar kinds of aroma substances in spring tea, summer tea and autumn tea of Xiuren green tea respectively. The alcohols was the highest content in spring tea（45.83 % ） , summer tea（37.75 % ） and autumn tea（42.39 % ） The dominant aroma components of spring tea and autumn tea were alcohols of floral aroma, accounting for 64.50 % and 57.10 % of the main aroma components respectively, dominant aroma-producing components was the main composition of summer tea. The aroma-producing components of Xiuren black tea from different seasons were similar. The alcohols was the highest content in spring tea（54.35 % ） , summer tea（ 52.80 % ） and autumn tea（51.98 % ） , which higher than Xiuren green tea. The main aroma components of Xiuren black tea were trans-linalool oxide, trans-Geraniol and trans-Geraniol, which similar with Xiuren green tea. [ Conclusion ] Xiuren tea had a wide range of processing adaptability, spring, summer and autumn tea can be adapted to black tea, and spring tea can be adapted to green tea.
作者
苏敏
韦柳花
刘初生
杨春
赖兆荣
覃榆茏
张颖彬
SU Min WEI Liu-hua LIU Chu-sheng YANG Chun LAI Zhao-rong QIN Yu-long ZHANG Ying-bin(Guangxi Guilin Tea Research Institute, Guangxi Guilin 541004, China Tea Research Institute, Chinese Academy of Agricultural Sci- ences, Zhejiang Hangzhou 310008, China)
出处
《西南农业学报》
CSCD
北大核心
2017年第7期1538-1545,共8页
Southwest China Journal of Agricultural Sciences
基金
广西农业重点科技计划项目"广西野生茶树保护性开发的配套技术研究"(201516)
广西科技开发计划项目"广西茶树种质资源库建设及开发研究"(桂科能14123006-39)
桂林市科技开发计划项目"高黄酮含量茶产品开发及其加工工艺研究"(20160217-3)
关键词
修仁茶
香气成分
GC-MS分析
季节
Xiuren tea
Aroma constituents
Analysys of gas chromatography-mass spectrometry
Season
