Beverage containing cod swim-bladder collagen peptide and preparation method thereof

The invention provides a beverage containing cod swim-bladder collagen peptide and a preparation method thereof, belonging to the technical field of food. According to a specific scheme of the invention, the beverage containing cod swim-bladder collagen peptide comprises the following components in percentages by mass: 0.1-7% of cod swim-bladder collagen peptide, 0.05-1% of a yeast extract, 0.1-1%of mellow ethyl maltol, 0.05-1% of citric acid, 0.1-1% of xylitol, 0.1-1% of fructose, 0.1-1% of inulin and 0.1-1% of pectin, with the balance being drinking water. The preparation method comprises the following steps: step 1, adding cod swim-bladder collagen peptide powder into the drinking water, and carrying out stirring until the cod swim-bladder collagen peptide powder is dissolved; and step2, adding the yeast extract and the mellow ethyl maltol to remove fishy smell, adding the citric acid and the xylitol for seasoning, adding the inulin and the pectin for thickening, carrying out uniform mixing under full stir