▎ 摘　　要

NOVELTY - Fruit wine clarifying agent comprises 0.01-0.05 g graphene oxide, 0.4-0.6 g chitosan, 0.4-0.6 g sodium alginate, 0.3-0.6 ml acetic acid solution, 0.5-1 ml glutaraldehyde, and 50 ml ultrapure water as a solvent. USE - Used as the fruit wine clarifying agent. ADVANTAGE - The clarifying agent: has good adsorption effect on substances that are liable to produce precipitation composition in fruit wine so that the wine has high clarity and gloss, has good clarifying effect; can greatly adsorbs protein, metal ions and other substances in fruit wine; can avoid turbidity; can greatly improve the stability of fruit wine; and prolong the shelf life of fruit wine. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing the wine clarifying agent comprising (a) dissolving graphene oxide in ultrapure water, and dispersing uniformly in water by ultrasonically treating for 1-4 hours, (b) adding the solution obtained in the step (a) under high speed stirring, then adding chitosan, and acetic acid solution, and continuing stirring for 1-4 hours, (c) ultrasonically treating the chitosan/graphene oxide mixture obtained in the step (b) for 30 minutes, then adding sodium alginate and glutaraldehyde, and stirring for 1-4 hours, (d) placing the chitosan/graphene oxide/sodium alginate mixed solution in a vacuum oven at 40-70 degrees C for 10-14 hours for reacting, and (e) freeze-drying the sample obtained in the step (d) under the pressure of -40 to -70 pa for 40-60 hours, washing with ethanol for 3 times, then washing with distilled water for 3 times, and freeze-drying the sample at -40 to -70 pa for 40-60 hours; and (2) using method of fruit wine clarifying agent comprising adjusting the pH of the fruit wine to 2.5-5.5, adding 0.3-0.7 mg/ml fruit wine clarifying agent, mixing, then allowing to stand at 30-50 degrees C for 50-70 minutes, and performing centrifugal separating.