Sodium L-Ascorbate is the main intermediate product in the production of vitamin C. at the same time, sodium vitamin C is also an important food additive. It can be used as an antioxidant to prevent the discoloration and flavor deterioration of food and beverage. It is widely used in the preservation and fixation of ham, sausage and cake, as well as the anti mildew of moon cake. It is also used in cosmetics for anti wrinkle, anti-aging and whitening, It has the dual functions of supplementing VC and enhancing the absorption of calcium, with stable performance.