The present invention discloses an active
probiotic fermented drink and a preparation method thereof. The active
probiotic fermented drink uses watermelons as raw materials, scientifically blends
prebiotic factors, and does not add any essences and pigments. The preparation method mainly uses low-temperature
processing technology in a whole course such as ultrasonic cleaning, high-pressure pulsed
electric field treatment, biological enzymolysis, vacuum degassing, etc., replaces the existing heat sterilization and blunt
enzyme technology, maximumly maintains the color and luster,
flavor and taste of natural watermelon juice, enhances the non-biological and biological stability of watermelon juice, reduces the introduction of chemical additives, increases the juice squeezing rate of watermelon juice and food security, and has a viable
probiotic content of 7*10^11-8*10^11 cfu / ml. The active probiotic fermented drink is
environmentally friendly, can be processed into probiotic
solid drinks and quantitatively prepackaged drinks which have natural taste, is nutritional and health-care, is easy to drink and has a longer
shelf life, opens up a new way for the
deep processing and industrial development of watermelons, and can achieve better economic and
social benefits.