Herbs have been used in ancient medicine for their medicinal benefits and antioxidant properties. Antioxidants are capable of deactivating free radicals before they attack cells. They are abundant in fruits and vegetables as well as in other foods such as nuts, grains, meat, poultry and fish. For the past decade there has been increase in the awareness and knowledge regarding antimicrobial, antioxidant, antifungal, antiviral, anti-inflammatory and anti-carcinogenic properties of herbs. This article throws light on antioxidant properties and mechanism of action of lycopene, turmeric, aloe vera, tea, spirulina, allicin, green tea, neem on oral pre-cancerous lesions and conditions.
Key words: Herbs, antioxidants, oral pre-cancerous lesions/ conditions.