A Review Article: The Importance of the Major groups of Plants Secondary Metabolism Phenols, Alkaloids, and Terpenes

Medicinal plants may be considered as a rich source of abroad diversity secondary constituents which may be utilized for developing and progress the drugs. Medicinal plants are an important to the health of human and community. They include medicine application such as antioxidants, anti-inflammatory, anti-tumor, anti-viral activities and other. Important identification and knowledge this constituent for preparation various drugs. Secondary Metabolism may be divvied to major groups: phenols, alkaloids, and terpenes. Phenolic compounds have an important role in medicine, act as antioxidant, and have protective properties from diverse disease. Medicinal utilized plants containing alkaloids from a long history, first alkaloids were separated in the 19th century, and they directly study their application in medical practice. Various alkaloids are still utilized as drugs against various sicknesses. Terpenoids are a group of secondary constituents that present in approximately every natural diet, terpenoids actually utilized in medicine application. This review aims to provide the interest to discover new bioactive constituents from plants which have pharmaceuticals and medicine application.