Grapefruit vinegar, preparation method thereof and production method of beverage thereof

The invention discloses a grapefruit vinegar, a preparation method thereof and a production method of beverage thereof, and belongs to the technical field of fermenting food processing. The method comprises the following steps: by using S.cerevisiae HY16 CGMCC No.3450 as the strain and grapefruit juice as the raw material, carrying out alcoholic fermentation to prepare the grapefruit wine; fermenting the grapefruit wine into the grapefruit vinegar by using the acetic acid bacterial strain; and sealing, ageing, filtering, filling and sterilizing to obtain the grapefruit vinegar beverage. The invention adopts the self-bred new strain and new process, thereby increasing the fermentation rate, shortening the production cycle and obviously enhancing the quality of the fruit vinegar product; and the invention provides an effective way for the development and utilization of grapefruit resources. The invention can be popularized in the industries of fermentation and food beverages.