Cancer is a group of diseases characterized by malignant neoplasm. It is a major public health problem, almost
everywhere in the world. There are many types and causes of cancer. Many types of cancer are lethal. Oxidative
stress is closely related to various diseases, including cancer. The human body is constantly exposed to free radicals
arising from exogenous and endogenous origins, which cause oxidative stress. Oxidative stress may lead to gene
mutations, which may affect intracellular signal transduction and transcription factors, leading to carcinogenesis.
Antioxidants are protector of the body, preventing oxidative stress, by stabilizing free radicals. Plants are good and
cheap sources for the prevention and treatment of oxidative stress and cancer. Natural antioxidant from plants are
being used for the treatment of cancer.