The vitamin which is very liable and easily destroyed during cooking, as well as storage, is -

Vitamin C, also called ascorbic acid, is a water-soluble vitamin.
Water-soluble vitamins are stored in the body in very limited amounts and are excreted through the urine.
Therefore, it is a good idea to have them in your daily diet. Vitamin C is sensitive to light, heat, and air and can be destroyed during food preparation, cooking, or storage.