1.Introduction 2.Free radicals vis-a-vis antioxidants in vegetables and their health benefits 3.Phytochemicals in vegetables prevents cancer and cardiovascular diseases 4.Phenolics in vegetables-Role in human health 5.Vegetables and eye health 6.Therapeutic, medicinal and nutritional composition of vegetables 7.Toxic metabolites and anti-nutritional components in vegetables 8.Odour, aroma, taste and flavour in Vegetables