Preparation method of fermented purple-perilla-flavor apple tea juice

The invention discloses a preparation method of fermented purple-perilla-flavor apple tea juice, and belongs to the technical field of food processing. The preparation method of the fermented purple-perilla-flavor apple tea juice comprises the following steps: performing superfine grinding-processing on deoiled purple perilla meal; performing superfine grinding-processing on black tea leaves; performing fermenting-processing on the ground purple perilla meal and black tea powder; performing extraction proessing on the fermented purple-perilla black-tea; preparing apple juice; carrying out bleanding so as to obtain the fermented purple-perilla-flavor apple tea juice; and then, carrying out filling and sterilizing processing. The fermented purple-perilla-flavor apple tea juice prepared by the preparation method has light purple perilla aroma; moreover, the disadvantage of rough taste of the purple perilla meal in edible application is solved by utilizing the fermentation technology, thereby expanding range of p