宜昌市栀子花茶香气成分分析  

Analysis of Aroma Components of Gardenia Tea in Yichang City

作　　者：周颖 仇方方 褚飞洋 匡蓓 李婧 冯德品 黄声东 ZHOU Ying;QIU Fangfang;CHU Feiyang;KUANG Bei;LI Jing;FENG Deping;HUANG Shengdong(Yichang Academy of Agricultural Sciences,Yichang 443000,China;Changyang Agricultural Industry Service Center,Bureau of Agriculture and Rural Development,Yichang 443000,China)

机构地区：[1]宜昌市农业科学研究院,湖北宜昌443000 [2]长阳县农业农村局农业产业服务中心,湖北宜昌443000

出　　处：《中国茶叶加工》2024年第4期26-32,共7页China Tea Processing

基　　金：国家茶叶产业技术体系宜昌综合试验站(CARS-19);茶树种质资源搜集与特异性品种关键生产技术集成(A23-3-061)。

摘　　要：采用感官审评法和顶空固相微萃取法结合气相色谱-质谱联用技术,对宜昌市4个栀子花绿茶和4个栀子花红茶的香气成分进行鉴定分析。结果表明,8个栀子花茶样品的香气和滋味中茶香和花香相互融合,整体品质较好;共检测到40个香气成分,β-芳樟醇、顺-β-罗勒烯、顺-3-己烯醇当归酸酯、苯甲酸甲酯相对含量较高,各个样品间的香气成分高度相似,但相对含量不同;酯类化合物的种类和相对含量最高;PCA和OPLS-DA结果表明,栀子花绿茶香气有一定的相似性,而栀红3香气与其余的栀子花红茶相比有一定的特异性。共鉴定出24个香气化合物为栀子花茶的关键香气成分。Sensory evaluation and headspace solid phase microextraction combined with gas chromatography-mass spectrometry were used to identify and analyze the aroma components of four gardenia green teas and four gardenia black teas from Yichang City.The results showed that the tea and floral aromas of the eight gardenia tea samples blended well,with overall good quality.A total of 40 aroma components were detected,withβ-linalool,cis-β-ocimene,cis-3-hexenol angelate and methyl benzoate having the highest relative contents.Although the aroma components were highly similar across the samples,their relative contents varied.Esters had the highest types and relative contents.The results of PCA and OPLS-DA indicated that the aroma of gardenia green teas shared some similarities,while the aroma of gardenia red sample 3 had distinct characteristics compared to the rest black teas.A total of 24 aroma compounds were identified as the key aroma components of gardenia tea.

关 键 词：栀子花 栀子花茶 香气成分 分析 

分 类 号：TS272.53[农业科学—茶叶生产加工]