Preparation method of selenium-enriched grape vinegar

Abstract

The invention mainly relates to the technical field of food processing and discloses a preparation method of selenium-enriched grape vinegar. The preparation method comprises the following steps: preparing raw materials; carrying out primary fermentation; carrying out secondary fermentation; filtering; packaging. The selenium-enriched grape vinegar has abundant nutrients, is sour and sweet and palatable, and has a rich fruit aroma; the selenium content reaches 7.31mu g/100g; the variety of fruit vinegar in the market is enriched, and the requirements on nutrients and mouthfeel of consumers aremet; grape leaves are added into grape pulp and wastes are changed into valuable materials; nutrients and flavor of the grape vinegar are increased; the health-care function of the grape vinegar is enhanced and the grape vinegar has the effects of stopping bleeding and eliminating swelling, promoting a gastrointestinal function and protecting heart and cerebral vessels; alcohol fermentation is firstly carried out and beneficial components in the raw materials are sufficiently leached out; infectious microbes in the raw materials are killed and the fruit vinegar has a pure mouthfeel; yeast selenium is added and acetic acid bacteria are introduced to carry out acetic acid fermentation; and a bitter mouthfeel of the grape leaves is removed; the aroma of the fruit vinegar is increased so thatthe grape vinegar has the abundant mouthfeel, and is sour and sweet and palatable.

Description

technical field [0001] The invention mainly relates to the technical field of food processing, in particular to a preparation method of selenium-enriched grape vinegar. Background technique [0002] Grapes are sweet and sour, nutritious, and loved by people, but few people eat grape leaves, which are rich in vitamins, tartaric acid, malic acid, oxalic acid, fumaric acid, succinic acid, citric acid, quinic acid, shikimic acid, glycerin Acid, isoquercitrin, quercetin, rutin, can stop bleeding and reduce swelling, clear heat and heat, moisten the lungs and relieve cough, treat eye diseases, promote gastrointestinal function, and have high nutritional and health value. Fruit vinegar currently on the market There are many kinds, but the selenium-enriched grape vinegar is also very few, which cannot satisfy the nutritional and taste needs of consumers. Contents of the invention [0003] In order to make up for the defects of the prior art, the purpose of the invention is to pro...

AI Technical Summary

Problems solved by technology

[0002] Grapes are sweet and sour, nutritious, and loved by people, but few people eat grape leaves, which are rich in vitamins, tartaric acid, malic acid, oxalic acid, fumaric acid, succinic acid, citric acid, quinic acid, shikimic acid, glycerin Acid, isoquercitrin, quercetin, rutin, can stop bleeding and reduce swelling, clear heat and heat, moisten the lungs and relieve cough, treat eye diseases, promote gastrointestinal function, and have high nutritional and health value. Fruit vinegar currently on the market There are many varieties, but there are very few selenium-enriched grape vinegars, which cannot meet the nutritional and taste needs of consumers