Anti - oxidant is a type of molecule which is effective in suppressing / controlling the oxidation of any other molecule . For patients , antioxidants also play a role in hereditary problems , especially in the treatment of vitamin C and ER deficiency . , Eggplant , Tomato , Cabbage , Carrot , Black Pepper , Cauliflower , Spinach , Vegetable Oil , Bean , Gourd , Banana , Guava , Watermelon , Mango , Lemon , Batabi Lemon , Pineapple , Orange Lemon , Raw Pepper , Mint Leaf and One Russian Study It has been said that frozen vegetables are high in antioxidants