Essential Oils of Species from Vietnam: Chemical Compositions and Biological Activities.

Mosquito-borne diseases are a large problem in Vietnam as elsewhere. Due to environmental concerns regarding the use of synthetic insecticides as well as developing insecticidal resistance, there is a need for environmentally-benign alternative mosquito control agents. In addition, resistance of pathogenic microorganisms to antibiotics is an increasing problem.

Effects of Azadirachta indica extract on gastric ulceration and acid secretion in rats.

The effect of Azadirachta indica extract on gastric ulceration was studied in albino rats. Azadirachta indica extract (100-800 mg/kg p.o.