Compound health-care gingko beverage and preparation method thereof

The invention discloses a compound health-care gingko beverage and a preparation method thereof. The preparation method of the compound health-care gingko beverage comprises the following steps of: (1) screening ginkgo nuts; (2) preparing a gingko beverage, and carrying out inclusion debitterization; (3) preparing a fresh couch grass root and mulberry compound slurry; (4) mixing monoglyceride with sodium alginate, carrageenan and sucrose esters to prepare a compound stabilizer; (5) blending a ginkgo nut slurry, the fresh couch grass root and mulberry compound slurry, xylitol, citric acids, natural tea polyphenols and corn plant esterase according to the proportion of 25:25:6:0.125:2:1.5:1, and adding the compound stabilizer; (6) carrying out secondary high-pressure homogenizing treatment; (7) carrying out compound enzymolysis; (7) carrying out gelatin-tannin method treatment; (8) degassing, and sterilizing. In the invention, particular flavor and nutrition of gingkoes and sweetness and faint scent of fresh couch grass roots and mulberries are all achieved, various nutrient ingredients are easy to absorb by human bodies, the clarity can reach more than 98%, and compound health-care gingko beverage is difficult to deposit and layer after being stored for 4 months.