Compound food additive rich in active factors and application thereof

The invention discloses a compound food additive rich in active factors and application thereof and belongs to the technical field of food additives. The compound food additive contains 20%-25% of dihydrogen dl-tetrahydropalmatine ketone and 7%-9% of vitamin C. The compound food additive is safe to use and free of toxic and side effects and has very high antioxygenation as well as good nutritional value; besides, the food additive has the advantages of being simple and feasible in production technology, low in cost, high in extraction rate and the like and can be used for preparing food, medicine and health care food.