Mixed strain suitable for mulberry fermented beverage in cold region and application thereof

The invention discloses a mixed strain suitable for a mulberry fermented beverage in a cold region and application thereof, relates to the field of foods, and aims at solving the problem that mulberry resources growing in a cold region environment are fully utilized and solving the problem of unsalable products caused by poor storage resistance and single taste of mulberry fruits from the perspective of an industrial chain. The bred strains are fusion Weissella lactic acid bacteria and pichia pastoris respectively. The mulberry fermented beverage is prepared by fermenting 8% of inoculum size, a bacterial strain compounding ratio of 1: 1, 30% of mulberry mass and 10% of sugar for 72 hours, and adding water. The method comprises the following steps: 1, screening and identifying strains; 2, researching the characteristics of the bred strain; 3, preparing the mulberry fermented beverage; and 4, determining active ingredients of the beverage. The method is applied to the field of functional beverage development. 一