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信阳毛尖茶品质成分的初步研究
Preliminary study on composition of xinyang Maojian tea
【摘要】 采用标准方法,对中国传统名茶信阳毛尖茶的主要品质成分进行了较系统的分析。结果表明,信阳毛尖茶的茶多酚含量较高,为26.30%~30.67%,儿茶素含量为15.34%~16.31%,氨基酸含量2.55%~2.84%,咖啡碱含量较高为4.21%~4.31%,水浸出物含量42.62%~43.21%;叶绿素含量较低,仅为0.1337%~0.2206%。首次报道了信阳毛尖茶的粗纤维含量和总灰分含量,粗纤维含量为7.37%~7.79%,总灰分含量4.79%~4.93%,含量均较低,表明信阳毛尖茶原料嫩度较好。
【Abstract】 Adopted standard ways,the main composition of Xinyang Maojian tea were analyzed systemLy. The results showed that the content of tea polyphenol was 26.30%~30.67%,Catechin was 15.34%~16.31%,Acid Amino was 2.55% ~2.84% ,Caffeine was 4.21% ~4.31% ,Water extract was 42.62% ~43.21% ,and chlorophyll was only 0.1337%~0.2206%. Among them,tea polyphenols and Caffeine was higher. In this paper,the content of Crude fiber and total ash was studied frist,and Crude fiber was 7.37%~7.79%,total ash was 4.79%~4.93%,both lowly,and it indicated the tenderness of fresh leaves was better.
- 【文献出处】 食品科技 ,Food Science and Technology , 编辑部邮箱 ,2009年12期
- 【分类号】TS272.51
- 【被引频次】41
- 【下载频次】630