... species in the genus Azadirachta, and is native to India, China, Burma, Bangladesh, Sri Lanka, Malaysia and Pakistan, growing in ... Scientific and Industrial Research Laboratory at Delhi University, British India, he extracted three bitter compounds from neem oil, ... sugars, Ketones, Pentoses, Monosaccharide, General Carbohydrates, and etc.In India, the tree is variously known as "Sacred Tree," "Heal ...