The invention belongs to the technical field of fruit vinegar preparation, and particularly provides a preparation method of multi-
berry fruit vinegar and the multi-
berry fruit vinegar. The preparation method of the multi-
berry fruit vinegar comprises the following steps of adopting
nutrient-rich berry fruits: blueberry, raspberry and strawberry as raw materials; mixing and beating the three berry fruits, adjusting the
sugar-acid ratio, carrying out alcoholic
fermentation and acetic
fermentation, and filtering to prepare natural vinegar; respectively juicing the three fruits for blending; extracting soluble
cellulose from the juiced
pomace, and adding into the fruit vinegar; finally preparing the finished product fruit vinegar through the steps such as blending and sterilizing. The multi-berry fruit vinegar is special in taste and rich in fruity
flavor, has
nutrition characteristics of the blueberry, the raspberry and the strawberry, and is rich in
anthocyanin, vitamins, polyphenols and the like; meanwhile, the soluble
cellulose extracted from the remaining
pomace after juicing is added into the fruit vinegar, so that not only are the waste residues utilized, but also the
nutrition value of the fruit vinegar is increased, and the prepared finished product has the functions of reducing
blood sugar and fats, resisting
cancer and inflammatory and the like, is particularly suitable to be drunk by patients with diabetes, angiocardiopathy and the like, and has great market prospect.