Medicinal plant selenium-enriched and zinc-enriched enzyme and preparation method thereof

The invention relates to a medicinal plant selenium-enriched and zinc-enriched enzyme and a preparation method thereof. Aiming at overcoming shortcomings of the prior art, the technical scheme is as follows: the main ingredient of the medicinal plant selenium-enriched and zinc-enriched enzyme consists of the following raw material components in percentage by weight: 75-80% of degummed stems and leaves of brasenia schreberi, 2-3% of folium perillae, 8-9% of rosa roxburghii tratt, 1-2% of marigold petals, 2-3% of rhizoma galangae, 2-3% of bulbus allii macrostemi, 1-2% of fennel, 1% of piperis fructus, 3-4% of dioscoreae rhizoma and 1% of cassia bark, totaling 100% in percentage by weight. Except for the brasenia schreberi, the rosa roxburghii tratt, the dioscoreae rhizoma and the marigold, all components in the prescription are medicinal and dietary seasonings which are capable of improving taste, increasing aroma, removing fishy smell and stimulating appetite, and have a long application history. The enzyme is