The invention discloses a preparation method of pineapple-flavored rice
wine, which comprises the following steps: firstly, selecting fresh pineapples which are moderate in maturity and free from
plant diseases and
insect pests for
flavor extraction, and heating, boiling and filtering to obtain a
pineapple flavor extracting solution; then, selecting high-quality glutinous rice, performing soaking and cooking treatment, adding the diced pineapples, performing mixing, and adding Q303
rhizopus distiller's
yeast for
fermentation; and adding the extracted
pineapple flavor extracting solution into a
fermentation tank, and adding
fruit wine yeast for secondary
fermentation, so that the
pineapple flavor and the rice
wine are fully fused. And finally, filtering or distilling the fermented rice
wine to obtain the pineapple-
flavor rice wine. The rice wine prepared by the method disclosed by the invention has unique pineapple
flavor, unique flavor and mellow taste, meets the requirements of consumers on novel and personalized drinks, and has relatively high market value and application prospect. The method is simple and easy to implement, raw materials are easy to obtain, production cost is low, and the method is suitable for industrial production.