Jyotirmoy Das Choudhury, Dr. Biplab De,
Department of Pharmaceutical Chemistry.
Regional Institute of Pharmaceutical Science and Technology. Abhoynagar, Agartala,
Nature always stands as a golden mark to exemplify the outstanding phenomenon of symbiosis. The biotic & abiotic elements of nature are all interdependent. The plants are indispensable to man for his life. The knowledge of drug has accumulated over thousands of years as a result of man’s inquisitive nature so that today we posses many effective means of ensuring health care.
In the part, almost all the medicines used were from the plants, the plant being men’s only chemist for ages. The history of medical plants dates back to RIG VEDA, perhaps the oldest repository of human knowledge, which was written in about 4500-1600 B.C. then there is the Ayurveda which given us detail accounts of many herbal drugs. Most of the medicinally active substance are identified in the 19th & 20th centuries was used in crude form. But now in modern days we use to take drug in the form of dosage form.