From Rutaceae grapefruit or grapefruit fruit as a new sweetener, the sweetness of sucrose compared to 500-700 times that of sucrose, and has a high sweetness, low calorific value, non-toxic , and security features, can be used in food, pharmaceutical and chemical industry. And because of its refreshing taste, aftertaste lasting, with a special fragrance, bitterness has excellent shielding effect. Dihydro naringin chalcone particularly suitable for dairy products, fats and oils, frozen foods, processed vegetables, jellies, jams, nonalcoholic beverages, chewing gum, toothpaste and buccal tablets. As a substitute for sugar, but also can reduce the body's intake of sugar, which is to prevent obesity and patients should not sugar intake is a savior.