Probiotics fermented type composite fruit and vegetable beverage for moistening and relaxing bowel and preparation method thereof

The invention belongs to the technical field of agricultural products, and particularly relates to a probiotics fermented type composite fruit and vegetable beverage for moistening and relaxing bowel and a preparation method thereof. The beverage is prepared from, by weight, 40-50 parts of yellow peach puree, 20-30 parts of carrot puree, 10-20 parts of composite berry puree, 5-10 parts of a sweetener substituent solution, and 3.5-7 parts of a sour agent substituent solution. The beverage is produced through a freeze squeezing technology, wherein the fruits and vegetables are subjected to cell disruption after low-temperature freezing, so that juice yield and dissolution of active components are improved. Through compounding of the raw materials, the beverage has a bright color, good stability and fine and smooth mouth feel, is refreshing and has a moderate sour-and-sweet taste, has no bubble and impurities, is free of layering and precipitation, and is color-retaining and glossy, has excellent health care val