美洲曼密苹果Mammea americana L.果实在南美北部被人们普遍食用。作者研究了该植物甲醇、乙醇和二氯甲烷3种不同溶剂的提取物对盐酸-乙醇、吲哚美辛-乌拉胆碱、低温应激和幽门结扎诱导的小鼠胃溃疡的胃保护作用。在4种胃溃疡模型试验中,均将Swiss雄性小鼠分为5组,即赋形剂组(1 The fruit of Mammea americana L., the fruit of the American Manmi, is commonly eaten in northern South America. The authors studied the gastric protective effects of extracts from three different solvents, methanol, ethanol, and methylene chloride, on gastric ulcers induced by hydrochloric acid-ethanol, indomethacin-choraline, cold stress, and pylorus ligation in mice. In four gastric ulcer model trials, Swiss male mice were divided into five groups, namely the vehicle group (1