Herbs and traditional medicines are being extensively used for healthcare in almost all the countries since times immemorial. Ancient religious texts are replete with references on the use of natural products with medicinal properties. Because of local beliefs and practices and also from cost considerations herbal medicines remain a popular mode of treatment in the developing countries. Even in the industrialised society the rising cost of prescription drugs and ensuing side effects of the treatment make it highly attractive to use the traditional medicine particularly for minor ailments