英国科学家最近提出，如餐前食用一盘蔬菜沙拉，可以杀死进人人体胃中的细菌，甚至能防上胃癌发生。英国伦敦圣·巴素罗密医院巴格尔·本杰明教授和阿巳丁大学罗意大·戴党意森博士经过研究发现。蔬菜中所含丰富的硝酸盐在人体口腔里能转变成化合物，这些化合物进入胃中，可以 British scientists recently suggested that if a plate of vegetable salad is eaten before a meal, it can kill bacteria that enter the human stomach and even prevent gastric cancer. University of London St. Bartholomew Hospital, Professor Barge Benjamin and University of Sutton University, Rodrigues Dayton, after a study found. Vegetables rich in nitrate in the human oral cavity can be transformed into compounds, these compounds into the stomach, you can