茶多酚对心血管疾病的预防作用

• 作 者: 汤家骥
• 出 处: 解放军预防医学杂志
• 发表日期: 1993年02期
• 关键词: 心血管疾病 茶黄素 高胆固醇血症 大鼠 抗肿瘤效应 饮食过量 生理效应 脑血管意外 蔗糖酶

茶多酚现可分离,其每一种多酚也可提纯.研究表明,茶多酚具有抗肿瘤效应.作者研究了其对心血管疾病的作用.从绿茶中分离了“粗儿茶素”和4种儿茶素,如表棓儿茶素棓酸盐(EGCg)等;从红茶中分离了另一组多酚-“粗茶黄素”和4种茶黄素(如TF3)等.作者用这些多酚在大鼠身上进行了生理效应研究.实验中饮食内的茶多酚量为0.5%或0.5%以上,该量相当于人一天喝20杯的茶量.研究结果如下:(1)饮食中混有粗儿茶素或EGCg能明显抑制因饮食过量摄取脂肪所致的高胆固醇血症;(2)

Tea polyphenols are now separable, and each of their polyphenols can also be purified.Research shows that tea polyphenols have anti-tumor effects.The authors studied the role of tea polyphenols in cardiovascular disease.Coupled from the green tea “And four kinds of catechins, such as epigallocatechin gallate (EGCg), etc .; from the black tea isolated another group of polyphenols - ” theaflavin "and four kinds of theaflavins (such as TF3 ), Etc. The authors used these polyphenols in rats to study the physiological effects of the experiment in the diet of tea polyphenols amount of 0.5% or more, the amount of the equivalent of drinking 20 cups of tea a day. As follows: (1) diet with crude catechins or EGCg can significantly inhibit hyperlipidemia due to diet induced hypercholesterolemia; (2)