Neohesperidin dihydrochalcone (NHDC) is a new type of sweetener obtained by hydrogenation of neohesperidin extracted from natural citrus plants. It has high sweetness, good taste, long-lasting chemicalbook aftertaste, and low With the characteristics of heat, non-toxicity and good stability, it is currently the most attractive new type of sweetener and bitterness shielding agent, and is widely used in the food industry and feed industry.