Method for preparing health-care purple sweet potato beer

Abstract

The invention belongs to the field of beer brewing technology and in particular relates to a method for preparing health-care purple sweet potato beer. The method comprises the processes of purple sweet potato juice preparation, wort preparation and mixed fermentation; specifically, the method comprises the steps of cleaning mud and sands and fungi outside purple sweet potatoes with a citric acid aqueous solution, feeding the cleaned purple sweet potatoes into a steam oven to be steamed, cooling, saccharifying with a conventional process, carrying out enzyme deactivation on saccharified purple sweet potato sauce, squeezing by conventional extruding equipment, and filtering to obtain normal juice of the purple sweet potatoes; crushing malts, adding water for mash gelatinization, saccharifying, carrying out grain raking, standing, refluxing and grain washing, adding hop into a mash kettle, clarifying, and cooling to obtain wort; and adding the normal juice of the purple sweet potatoes during post fermentation in wort beermaking, fermenting, cooling, filtering and clarifying to obtain the health-care purple sweet potato beer. The process route is ripe, the production cost is low, the prepared purple sweet potato beer is rich in nutrition, is fresh and cool, has pure aroma and beer function and taste, and also achieves the health-care effect.

Description

Technical field: [0001] The invention belongs to the technical field of beer brewing technology, and relates to a process for making health-care and nutritious beer by using purple sweet potato as a supplementary auxiliary raw material, in particular to a preparation method of purple sweet potato health-care beer. Background technique: [0002] At present, the main raw materials for making beer using common fermentation methods and crafts are barley and wheat, and the auxiliary materials are rice and corn. With the gradual improvement of people's living standards, the consumption level and consumption of beer are increasing day by day. At the same time, there are new requirements for the health care function of beer; purple sweet potato is one of the health foods loved by people in recent years. In addition to the nutritional components of ordinary sweet potato, it also has special health care functions. Purple sweet potato contains about 20% Protein, 18 kinds of amino acids...

AI Technical Summary

Problems solved by technology

Adding purple sweet potato as an auxiliary material to beer drinks has begun to attract widespread attention from the industry and consumers. There are many types of beer, in addition to general beer, seaweed beer, American ginseng beer, caramel beer, chocolate beer Special flavor beers such as burdock beer and burdock beer have come out, and have been generally welcomed by people, but these existing beers, mainly in order to meet the demand of taste and mellow fragrance, lack nutrition and health care effect, especially also more complicated on the preparation process method , high process cost, waste of raw materials