Preparation method of coix seed and Chinese wolfberry composite lactic acid fermented beverage

The invention provides a preparation method of a coix seed and Chinese wolfberry composite lactic acid fermented beverage and belongs to a fermented beverage processing technology. The method comprises the following steps: (1) drying coix seed and milling; (2) carrying out enzymolysis and pulping on dried Chinese wolfberry to prepare primary pulp; (3) fermenting the composite primary pulp with a mixed strain of lactobacillus acidophilus and lactobacillus bulgaricus; according to the coix seed and Chinese wolfberry fruit composite lactic acid beverage and the preparation method thereof disclosed by the invention, a technological formula for developing a nutritional lactic acid bacteria fermented composite beverage is defined, a pretreatment process and mixed strain fermentation are adopted, and scientific blending is supplemented, so that active ingredients of the beverage are prevented from being lost to the greatest extent; the medicinal and nutritional ingredients of the coix seeds and the Chinese wolfberry