文档介绍：‘紫娟’红茶和‘紫娟’普洱熟茶香气成分的分析
摘要‘紫娟’红茶、‘紫娟’普洱熟茶都是用云南所特有的茶树特异新品种‘紫娟’(Camellia. sinensis var. assamica)的新梢加工而成的茶叶创新产品。本文采用同时蒸馏萃取法(SDE)与气相色谱-质谱法(GC-MS)技术检测了‘紫娟’红茶和“紫娟”普洱熟茶香气成分的组成与含量。结果表明:‘紫娟’红茶的香气成分由醇、醛、酸、***、酯、内酯、含氮类和烃类等8类83种化合物组成,在主要的16个组分中,醇类及其氧化产物含量最高,%;其次为醛类化合物,%。‘紫娟’普洱熟茶的香气成分由醇、醛、酸、***、酯、内酯、酚类、烃类、含氮类和萜烯类等11类101种化合物组成,在主要的21个组分中,甲氧基苯类化合物含量最高,%;其次为脂肪酸类化合物,%。本研究结果对引导消费者正确认识‘紫娟’茶创新产品,促进云南茶产业的供给侧改革具有现实意义。
关键词‘紫娟’红茶;‘紫娟’普洱熟茶;香气;气相色谱-质谱法
中图分类号文献标识码 A Doi:.1009-
Aromatic Constituents of‘Zijuan’Black Tea and‘Zijuan’Pu-erh Tea
YANG Xuemei1) REN Hongtao2) LUO Qiongxian3)
ZHAN Qi1) LI Yanli1) Lǚ Caiyou1) LI Jiahua1)
(1 Longrun Pu-erh Tea College, Yunnan Agriculture University, Kunming, Yunnan 650201;
2 Research Institute of Spices, Yunnan Agriculture University, Kunming, Yunnan 650051;
3 Research Institute of Tea, Yunnan Academy of Agricultural Sciences, Menghai, Yunnan 666201)
Abstract ‘Zijuan’Black Tea and ‘Zijuan’Pu-erh Tea are new products which were made from new shoots of tea 'Zijuan' (Camellia sinensis var. assamica), a unique tea variety in Yunnan province, China. The aroma content and constituents of ‘Zijuan’black tea and ‘Zijuan’Pu-erh tea were determined by using simultaneous distillation and extraction (SDE) and gas chromatography mass spectrometry (GC-MS). The results showed t