食品科学 ›› 2005, Vol. 26 ›› Issue (8): 367-370.

• 营养卫生 • 上一篇    下一篇

红茶茶多酚及抗氧化性能测定

 侯冬岩, 回瑞华, 刘晓媛, 唐蕊, 朱永强   

  1. 鞍山师范学院化学系,辽宁龙兴生物科技股份有限公司,辽宁师范大学化学系
  • 出版日期:2005-08-15 发布日期:2011-09-19

Determination of Catechin in Black Teas and Its Antioxidation Effect

 HOU  Dong-Yan, HUI  Rui-Hua, LIU  Xiao-Yuan, TANG  Rui, ZHU  Yong-Qiang   

  1. 1.Department of Chemistry,Anshan Normal University; 2.Department of Chemistry,Liaoning Normal University; 3. Liaoning Longxing Biologe Science and Technology Co. Ltd.
  • Online:2005-08-15 Published:2011-09-19

摘要: 采用三波长-光谱法测定红茶中茶多酚的含量。本法的回收率为94%~105%,变异系数小于1.00%。用流动注射化学发光法研究了红茶的抗氧化性能,实验结果表明:红茶具有较高的茶多酚含量和较强的抗氧化性能。

关键词: 红茶, 茶多酚, 流动注射化学发光, 抗氧化性

Abstract: Determination of catechin in black teas by three wavelength spectrophotometry, The recovery is 94%~105% and thec oefficient ofv ariationi s1 .00% .A ntioxygenica ctivityo fb lackt eas teasw ass tudied byt he flow-injectionc hemiluminescence. The results show that black teas are abundant in the catechin compounds and strong antioxidative effect.

Key words: black teas, catechin, flow-injection chemiluminescence method, antioxidation effect