Edible gelatin is a hydrolyzed product of collagen. It is a fat-free, high-protein, cholesterol-free food thickener.

Food preservatives are a type of food additives that prevent food spoilage due to the action of microorganisms and prolong the shelf life of food. Its anti-corrosion mechanism is mainly to reduce the water activity of the product, reduce the PH of the product, act on the specific structural parts of the microorganism, destroy the growth of the microorganism or the normal progress of the metabolic system, thereby inhibiting the growth of the microorganism and prolonging the shelf life of the product.

Vitamin C is a polyhydroxy compound with the chemical formula C6H8O6. The structure is similar to that of glucose, and the two adjacent enol hydroxyl groups at 2. and 3. Positions in the molecule are easily dissociated to release H, so that it has the property of an acid also known as L-ascorbic acid.

Vitamin B2 is one of the B vitamins, easily soluble in water and stable when heated in neutral or acidic solutions. It is part of the prosthetic group of yellow enzymes in the body (yellow enzymes play the role of hydrogen transfer in biological redox). If it is missing, it affects the biological oxidation of the body and causes metabolic problems. The lesions usually manifest themselves as inflammation of the mouth, eyes and external genitals, such as angular stomatitis, cheilitis, glossitis, conjunctivitis and scrotal inflammation, so this product can be used to prevent and treat the above diseases.