Vitamin C has strong reducibility and is easily oxidized to vitamin C, but its reaction is reversible. Aspartic acid and aspartic acid have the same physiological function, but if aspartic acid is more easily decomposed by water, it will produce ancient diketones. Laconic acid, the reaction is a non rebellious thief, and the physiological effect is completely lost.

Vitamin B2 is a water-soluble vitamin, but slightly water-soluble, with a solubility of 12 mg/100 ml at 27.5 °C. Soluble in sodium chloride solution, slightly soluble in dilute caustic soda, slightly soluble in alkaline solution, stable in strong acid solution. Heat and oxidation resistance. Light and UV radiation lead to irreversible decomposition.

The main function of sodium hexametaphosphate in food is to improve the color, aroma and taste of food, adjust the nutrient composition of food, and extend the shelf life of food. In order to use sodium hexametaphosphate correctly, the quality requirements for sodium hexametaphosphate must be limite

sodium benzoate are broad spectrum antimicrobial agents, but their antimicrobial effectiveness depends on the pH value of the food.As the acidity of the medium increases, its bactericidal and bacteriostatic effects are enhanced, but in alkaline medium bactericidal and bacteriostatic effects are lost