The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Theanine, EGCG and caffeine determinated by HPLC
Author(s): 
Pages: 107-109
Year: Issue:  1
Journal: Journal of Hygiene Research

Abstract: 目的 建立了未衍生化高效液相色谱法(HPLC)测定普洱荼中荼氨酸含量,非梯度洗脱的HPLC分析方法测定表没食子儿茶素没食子酸酯(EGCG)及咖啡因含量.方法 普洱荼中的荼氨酸在热水浴中以水提取,EGCG及咖啡因以70%的乙醇超声提取,采用C_(18)色谱柱,HPLC-PDAD方法进行测定,流速为1.0ml/min.以乙腈-0.005 mol/L十二烷基磺酸钠(0.1%磷酸调pH为6)(28:72)...
Related Articles
No related articles found