信阳毛尖与黄山毛峰及西湖龙井的香气成分分析.PDFVIP

湖南农业大学学报(自然科学版) 2016, 42(6):658–661. DOI:10.13331/ki.jhau.2016.06.0014 Journal of Hunan Agricultural University (Natural Sciences) 投稿网址： 信阳毛尖与黄山毛峰及西湖龙井的香气成分分析 刘建军 1,2,3，黄建安 1,2，李美凤 4，李银花 1,2，陈金华 1,2，林海燕 1,2，刘仲华 1,2*? (1.湖南农业大学茶学教育部重点实验室，湖南 长沙 410128；2.国家植物功能成分利用工程技术研究中心，湖南 长沙 410128；3.河南农业大学园艺学院，河南 郑州 450002；4. 西南大学食品学院，重庆 400716) 摘 要：以信阳、黄山、杭州的茶树鲜叶为原料，分别加工成信阳毛尖、黄山毛峰、西湖龙井，其中信阳的鲜 叶由 3个公司加工成 3个信阳毛尖茶样，共 5个茶样，采用同时蒸馏萃取法(SDE法)提取香气物质，结合感官审 评和 GC–MS，分析 3 种名优绿茶的香气特点及成分构成。结果表明：3 个信阳毛尖茶样香气均表现为清香，黄 山毛峰茶样香气馥郁带兰花香，西湖龙井茶样香气浓郁带高火香；5 个茶样共检测出香气成分 74 种，其中共有 香气成分 24种，5个茶样中的香气成分均以醇类物质的含量最高；信阳毛尖茶样中含量较高的成分有 β–芳樟醇、 壬醛、环氧芳樟醇、反香叶醇、δ–杜松烯、反–橙花叔醇、棕榈酸、反式植醇；黄山毛峰茶样含量较高的成分有 棕榈酸、β–芳樟醇、反香叶醇、壬醛、己醛、反式植醇、环氧芳樟醇、庚醛，且在黄山毛峰茶样中检测出苯乙醛、 脱氢芳樟醇 2 种独有的令人愉悦的香气成分；西湖龙井茶样含量较高的成分有 β–芳樟醇、反香叶醇、环氧芳樟 醇、壬醛、顺氧化芳樟醇、己醛、δ–杜松烯、δ–杜松醇，西湖龙井茶样中检测出烷烃类和吡嗪类物质的数量较多， 但未检测出棕榈酸。 关 键 词：信阳毛尖；黄山毛峰；西湖龙井；香气成分分析 中图分类号：S571.1 文献标志码：A 文章编号：1007?1032(2016)06?0658?05 Analysis on aroma components of Xinyangmaojian tea and Huangshanmaofeng tea and Xihulongjing tea Liu Jianjun1,2,3, Huang Jian’an1,2, Li Meifeng4, Li Yinhua1,2, Chen Jinhua1,2, Lin Haiyan1,2, Liu Zhonghua1,2* (1.Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha 410128, China; 2.National Research Center of Engineering and Technology for Utilization of Functional Ingredients from Botanicals, Changsha 410128, China; 3.College of Horticulture, Henan Agricultural University, Zhengzhou 450002, China; 4.College of Food Science, Southwest University, Chongqing 400716, China) Abstract: The fresh leaves of spring tea chosen from Xinyang, Huangshan and Hangzhou, were processed into Xinyang maojian, Huangshanmaofeng and Xihulongjing, respectively. Five samples, which three were Xinyangmaojian samples from 3 different corporations and the other two were Huangshanmaofeng and Xihulongjing, were used to extract the aromatic matter with the method of simultaneous distillation and extraction (SDE), and the characteristics