Natural plant resources in anti-cancer therapy-A review

Cancer is one of the most common devastating disease affecting millions of people peryear. Cancer has been estimated as the second leading cause of death in humans. So therehas been an intense search on various biological sources to develop a novel anti-cancer drugto combat this disease. Plants have proved to be an important natural source of anti-cancertherapy for several years. About 30 plant derived compounds have been isolated so far andare currently under clinical trials. These anti-cancer compounds have been found to beclinically active against various types of cancer cells. Further research in this area may leadto better treatment of cancer.