Information about types of vegetative raw material for flavonoid dihydroquercetin manufacture are given. Data of a wide spectrum of biological activity of dihydroquercetin are systematized. Two directions of use dihydroquercetin in food industry: as antioxidant and as biologically active supplement for creation different types of parapharmaceutical production is shown. Dihydroquercetin in the capacity of antioxidant may be compared or exceeds many synthetic and natural antioxidants and, in particular, known bioflavonoids (quercetin). High antioxidant activity of dihydroquercetin is combined with absence embryotoxicity, teratogenicity, allergenicity and mutability. Dihydroquercetin used as efficient antioxidant with regard to vegetable oils, animal fat, milk powder, fat contain pastry. Parapharmaceutical production with dihydroquercetin is intended for prophylactic of "oxidative stress" diseases (cardiovascular, bronchopulmonary, etc.). Practical application of new types of products containing dihydroquercetin was described. Dihydroquercetin is an available commercial food additive, producing domestic industry.