绿茶提取物降低中年人血脂和体重指数的临床实验研究

Clinical study of green tea extract on the decrease of serum lipids and body mass index in middle-aged person

目的探讨绿茶提取物对中年人血脂和体重指数的降低作用。方法248名轻度高脂血症患者随机分两组,分别口服含绿茶提取物的茶叶片和安慰剂20周,比较分析绿茶提取物对血脂和体重指数的影响。结果绿茶提取物降低了中年人血清总胆固醇(P<0.01)和低密度脂蛋白胆固醇(P<0.01);而且,饮绿茶降低了中年人体重指数(P<0.01)。结论绿茶提取物可降低中年高脂血症者的血脂和体重指数。

Objective To study the effects of green tea extract on the decrease of serum lipids and body mass index in middle-aged person. Methods A total of 248 middle-aged person with mild hypercholesterolemia were randomly divided into 2 groups and assigned to receive tablets containing green tea extract or placebo for 20 weeks. The serum lipids and body mass index were measured. Results The levels of serum total cholesterol and lower-density lipoprotein, and the body mass index were significantly decreased with the treatment of green tea extract （ all P 〈 0. 01 ）. Conclusion The green tea extract can lower the levels of serum total cholesterol, lower-density lipoprotein and body mass index in middle-aged person.