人类各种致癌因素中,环境致癌物质占80%,日本人胃癌死亡率依然较高。作者最近从存在于天然食晶中含有的苯酚类化合物中发现有三种化合物对大鼠胃有致癌性。作者将实验动物分为3组,每组选择F344大鼠各30只,分别给予含2%咖啡酸、2%芝麻酸及0.8%几茶酚等粉末饲料喂养,2年后处死剖检,观察全身 Among various human carcinogenic factors, carcinogens in the environment account for 80% of the total, while the Japanese mortality rate of gastric cancer is still high. The authors have recently found that three compounds are carcinogenic to the rat stomach from the phenolic compounds present in natural diets. The experimental animals were divided into 3 groups, each group of 30 F344 rats were selected, fed with 2% caffeic acid, 2% sesame acid and 0.8% of several tea and other powder feed, 2 years after the death was necropsied, observed whole body