凤凰单枞香气成分的分析

Analysis on Aromatic Constituents of Fenghuang Dancong Tea Cultivar

用GC-MS法分析了5种凤凰单枞的香气组分。结果表明5种香型单枞的香气主要成分分别为:八仙单枞是异丁酸芳樟酯、脱氢芳樟醇、吲哚、5-正丁基-δ-戊内酯;桂花香是芳樟醇、吲哚、5-正丁基-δ-戊内酯、3,7-二甲基-1-溴-2,6-辛二烯;肉桂香单枞是芳樟醇、脱氢芳樟醇、吲哚、丁位辛内酯、α,α-5-三甲基-5-乙烯基四氢化-2-呋喃甲醇;贡香是芳樟醇、脱氢芳樟醇、吲哚、正丁基-δ-戊内酯;柚花香单枞是芳樟醇、顺-α,α-5-三甲基-5-乙烯基四氢化-2-呋喃甲醇、2,2,6-三甲基-6-乙烯基四氢-2H-呋喃-3-醇、对二甲苯。从5种单枞茶香气的主要成分数据可知,各种茶具有自身的独特性。

The aroma constituents of five FengHuang Dancong tea cultivar were analyzed with GC-MS method. The results showed that the major constituents of them were as follows： Baxian fragrance type were linalyl isobutyrate, hotrienol, indole,δ-nonalactone;Gueihua fragrance type were linalool, indole,δ-nonalactone, 1-bromo-3,7-dimethyl-2,6-Octadiene; Ruogui fragrance type were linalool, hotrienol, indole, γ-nonalactone,α,α, 5-trimethyl-5-ethenyltetrahydro-2-Furan-methanol; gongxiang fragrance type were linalool, hotrienol, indole, δ-nonalactone; Youhua fragrance type were Linalool, cis （tran）-α,α,-5-trimethyl-5-ethenyltetrahydro-2-furanmethanol, 2,2,6-Trimethyl-6-vinyltetrahydropyran-3-ol, p-xylene. According to the data of main aroma components of five kinds of Dancong tea showed that each has its own unique.