Chemical investigation of some biologically important plant constituents

Plants had been used for medicinal purposes long before recorded history.Ancient Chinese and Egyptian papyrus writings describe medicinal uses for plants as early as 3000 BC.Indigenous cultures (such as African and Native American) used herbs in their healing rituals, while others developed traditional medical systems (such as Ayurveda and Traditional Chinese Medicine) in which herbal therapies were used.Researchers found that people in different place of the world tended to use the same or similar plants for the same purposes.Ayurvedic medicines are used to cure several diseases as the herbs mentioned in ayurvedic texts are considered safe for human consumption.Indigenous plants have been used for thousands of years of ayurveda for its diverse healing properties.It is mentioned by Charak in the Charak Samhita, an ancient ayurvedic text.