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Brewing method of purple sweet potato Huangguan pear composite fruit wine

A compound fruit wine and purple potato technology, which is applied in the preparation of alcoholic beverages, microorganism-based methods, biochemical equipment and methods, etc., can solve the problem of opaque color, low alcohol content of purple potato and pear compound fruit wine, and enzymatic hydrolysis of purple potato to produce juice To solve the problem of low yield, to achieve the effect of clear and transparent color, full-bodied wine and unique flavor

Inactive Publication Date: 2017-07-21
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this invention, only the purple sweet potato is liquefied and saccharified to obtain purple sweet potato juice, and then the purple sweet potato juice is mixed with pear juice and then aseptically fermented. The obtained purple potato and pear compound fruit wine has low alcohol content and opaque color

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of brewing method of purple sweet potato yellow crown pear compound fruit wine is carried out according to the following steps:

[0028] (1) Material selection and raw material pretreatment: select high-quality fresh purple sweet potatoes, wash and cut into pieces, soak in 1% stannous disodium citrate solution for 4 minutes for color protection treatment, and put the purple sweet potatoes after color protection treatment Cut the pieces into slices, put them in hot water at 95°C for 10 minutes, remove them and cool them down, and beat them to obtain purple sweet potato mash, which will be used for later use; wash the fresh Huangguan pears, peel and remove the core, cut them into pieces, and press them to obtain mashed potatoes. pear juice, set aside;

[0029] (2) Enzymatic hydrolysis and saccharification: Weigh the raw materials according to the weight ratio of purple sweet potato puree and pear juice as 1:2, put the purple sweet potato puree in a beaker, add dist...

Embodiment 2

[0041] A kind of brewing method of purple sweet potato yellow crown pear compound fruit wine is carried out according to the following steps:

[0042] (1) Material selection and raw material pretreatment: select high-quality fresh purple sweet potatoes, wash and cut into pieces, soak them in 1% disodium stannous citrate solution for 5 minutes for color protection treatment, and put the purple sweet potatoes after color protection treatment Cut the pieces into slices and put them in hot water at 98°C for 9.5 minutes, remove and cool, and beat to obtain purple sweet potato mash for later use; wash the fresh Huangguan pears, peel and remove the core, then cut into pieces and press Get pear juice and set aside;

[0043] (2) Enzymatic hydrolysis and saccharification: Weigh the raw materials according to the weight ratio between the purple potato puree and pear juice as 3:2, put the purple potato puree in a beaker, add distilled water to rinse it into a conical flask to prepare an e...

Embodiment 3

[0055] A kind of brewing method of purple sweet potato yellow crown pear compound fruit wine is carried out according to the following steps:

[0056] (1) Material selection and raw material pretreatment: select high-quality fresh purple sweet potatoes, wash and cut into pieces, soak in 1% stannous disodium citrate solution for 6 minutes for color protection treatment, and put the purple sweet potatoes after color protection treatment Cut the pieces into slices, put them into hot water at 100°C for 9 minutes, take them out and cool them down, and beat them to obtain purple potato mash, which will be used for later use; wash the fresh Huangguan pears, peel and remove the core, then cut into pieces and press to obtain pear juice, set aside;

[0057] (2) Enzymatic hydrolysis and saccharification: Weigh the raw materials respectively according to the weight ratio between the purple sweet potato puree and pear juice as 2:1, put the purple sweet potato puree in a beaker, add distill...

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Abstract

The invention discloses a brewing method of purple sweet potato Huangguan pear composite fruit wine. The brewing method comprises following steps: material selection and raw material pretreatment; enzymatic saccharification; SO2 sterilization; sugar blending and acid blending; preparation of a saccharomycetes seed solution; inoculation and fermentation; aging and fermentation; bottle changing and clarification; and finished product blending and diatomite filtering. According to the brewing method, purple sweet potato is subjected to enzymatic hydrolysis with amylase, and then is mixed with pear juice; an obtained mixture is subjected to saccharification with pectase and glucoamylase, so that enzymatic hydrolysis juice yield of mashed purple sweet potato is increased to be 68% or higher, and purple sweet potato Huangguan pear juice saccharification juice yield is increased to be 70% or higher via appropriate enzymatic hydrolysis and saccharification; Pichia kudriavzevii fermentation is adopted, and appropriate fermentation technical conditions are adopted, so that the alcohol by volume of the purple sweet potato Huangguan pear composite fruit wine is 12%vol or higher. The color of the purple sweet potato Huangguan pear composite fruit wine is clear; the purple sweet potato Huangguan pear composite fruit wine is transparent, the texture is fine and stable, the purple sweet potato Huangguan pear composite fruit wine possesses the fruit flavor and health care effect of both purple sweet potato and Huangguan pear, the flavor is unique, mellow and full, and fresh, and the purple sweet potato Huangguan pear composite fruit wine is abundant in nutrients.

Description

technical field [0001] The invention relates to the technical field of fruit wine production, in particular to a brewing method of purple sweet potato, yellow crown and pear compound fruit wine. Background technique [0002] Fruit wine is a low-alcohol beverage wine brewed from plant fruits through fermentation. Compared with white wine, it has the characteristics of low alcohol content, high nutrition, and brain fitness. [0003] Purple potato is also called black potato, and its flesh is purple to deep purple. In addition to the starch, dietary fiber, vitamins and other nutrients contained in ordinary sweet potatoes, it is rich in minerals, rich in anthocyanins, and has high medicinal properties. It is an ideal crop that is easy to cultivate and can be used for both medicine and food. According to test results, purple sweet potato is rich in zinc, calcium, magnesium and other beneficial elements for human body, especially rich in selenium, which has been called the king o...

Claims

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Application Information

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IPC IPC(8): C12G3/02C12R1/84
CPCC12G3/025
Inventor 李文王陶储渊明秦杰刘全德陈宏伟刘恩岐
Owner XUZHOU UNIV OF TECH
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