Phytochemical analyses and gastroprotective effects of Eugenia umbelliflora (Myrtaceae) on experimental gastric ulcers.

Phytochemical studies of Eugenia umbelliflora Berg. (Myrtaceae) resulted in the isolation of: taraxerol, alpha-amyrin, beta-amyrin, betulin and betulinic acid from the leaves, as well as trimethoxy ellagic acid from the fruits. Given that several triterpenes were found in the extracts, and that these possess gastroprotective activity, the gastroprotective activity of E.