基于GC-MS的几种云南中小叶种红茶香气分析

Aroma Analysis of Several Small and Medium Leaf Black Teas in Yunnan Based on GC-MS

为提高拼配红茶品质并指导生产实践,利用气相色谱—质谱法对云南中小叶种红茶进行香气成分比较分析。结果表明:十里香红茶、龙陵小河红茶、虎牌红茶和象牌红茶的主要香气化合物类型为醛类、醇类、酯类、酮类为主,呈现花香甜香。云南中小叶种的红茶香气成分主要以花香甜香为主,用来拼配红茶或红碎茶,能够提高品质,或开发新产品有着极大的价值。

In order to improve the quality of blended black tea and guide production practice.The aroma components of Yunnan middle and small leaf black tea were analyzed by gas chromatography-mass spectrometry.The results showed that the main aroma compounds of Shilixiang black tea,Longling Xiaohe black tea,Hupai black tea and Xiangpai black tea were aldehydes,alcohols,esters and ketones,presenting the sweet fragrance of flowers.The main aroma components of Yunnan small and medium-leaved black tea were sweet flowers.It can be used to blend black tea or broken black tea,which can improve the quality or develop new products with great value.