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富硒茶对小肠电活动与小肠运动的影响
引用本文:高云芳.富硒茶对小肠电活动与小肠运动的影响[J].陕西师范大学学报,1998(3).
作者姓名:高云芳
作者单位:西北大学生物学系
摘    要:咖啡和茶是人类饮用最广泛的两大饮料.近年来,关于各种茶的抗癌研究非常活跃[1,2].本实验以小肠电和环肌张力、纵肌张力为指标,用同步记录的方法观察了咖啡因、茶碱和亚硒酸钠对豚鼠离体小肠电活动和小肠张力的影响,旨在从消化生理角度分析咖啡、茶和富硒茶对人...


Effects of tea rich in selenium on electrical and contractile activities in guinea pig small intestine
Gao Yunfang.Effects of tea rich in selenium on electrical and contractile activities in guinea pig small intestine[J].Journal of Shaanxi Normal University: Nat Sci Ed,1998(3).
Authors:Gao Yunfang
Abstract:Simultaneous recording of electrical and contractile activities from the circular and longitudinal muscle layers of the guinea pig small intestine is performed to study the effects of caffeine theophylline and sodium selenate on the small intestine. Both the electrical and contractile activities are inhibited by sodium selenate, caffeine and theophylline, but these effects of caffeine and theophylline are not significance in statistics when the concentration in low (10 -6 g/mL). These results suggest the strong tea, especially the tea rich in selenium, is not of benefit to human health.
Keywords:intestinal electric activity  intestinal motility  caffeine  theophylline  sodium selenate
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