BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Heat, light, exposure to air, cooking in water and alkalinity are all factors that can destroy vitamins. If food is not eaten within several days, freezing is the best method to retain nutrients.

Detailed explanation-2: -Sodium, potassium and chlorine are also lost when cooking water is discarded.

Detailed explanation-3: -Once minerals enter the body, they remain there until excreted. They cannot be changed into anything else. Minerals cannot be destroyed by heat, air, acid, or mixing. Compared to other nutrients such as protein, carbohydrates and fat, vitamins and minerals are present in food in tiny quantities.