Novel process for producing distilled spirit by carrying out extrusion pretreatment on distilled spirit raw materials and adopting liquid-state method

A technology of pretreatment and liquid method, applied in the field of liquor brewing technology, can solve the problems of weak taste and single flavor of liquor, and achieve the effects of short fermentation period, unique flavor and energy consumption reduction.

Inactive Publication Date: 2013-08-14
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to improve the phenomenon that the liquor produced by the liquid method has a weak taste and a sing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A method for extrusion pretreatment of liquor raw materials, comprising the following steps:

[0030] (1) Using sorghum as the raw material, first remove the impurities and sundries in the raw material, add rosemary, medium-temperature α-amylase and protease, mix the raw material with water with a wet grinder and grind it into a paste with a particle size of 1.5-2.5 mm Shape; control the moisture content of raw materials before extrusion at 35%.

[0031] (2) Extrude with a twin-screw extruder. The temperatures of the first, second, and third sleeves of the twin-screw extruder are 60°C, 90°C, and 150°C, respectively. It is 200rpm, and the ripening degree of the control discharge is at 75%, and the expansion degree is at 2%. The extruded material can be directly used in the next step of liquid fermentation.

Embodiment 2

[0033] The method for producing liquor in a liquid state by extrusion pretreatment of liquor raw materials: comprises the following steps:

[0034] (1) Raw material processing: use sorghum as raw material, sieve out impurities and sundries in the raw material, pass the raw material through a dry grinder, and crush it into a powder with a diameter of 1.5-2.5 mm.

[0035] (2) Extrusion treatment: the liquor raw material before extrusion, the moisture content is adjusted to 30%, utilizes twin-screw extruder to carry out extrusion, wherein the first section sleeve of extruder, the second section sleeve and the second section sleeve The temperature of the three sleeves is 45°C, 85°C and 125°C respectively, the temperature is automatically controlled and adjusted, the screw speed is 150rpm, the degree of ripening of the output is 65%, and the degree of expansion is 1.5%. The extruded material is directly used for the next step of liquid fermentation .

[0036](3) Cooling saccharifi...

Embodiment 3

[0041] The method for producing liquor in a liquid state by extrusion pretreatment of liquor raw materials: comprises the following steps:

[0042] (1) Raw material processing: use corn starch as raw material, and screen out impurities and sundries in the raw material.

[0043] (2) Extrusion treatment: the liquor raw material before extrusion, the moisture content is adjusted to 45%, utilizes the twin-screw extruder to carry out extrusion, wherein the first joint sleeve of the extruder, the second joint sleeve and the third joint The temperature of the joint sleeve is 65°C, 115°C and 165°C, the temperature is automatically adjusted, the screw speed is 280rpm, the degree of ripening of the material is 90%, the degree of expansion is 3%, and the extruded material is directly used for the next step of liquid fermentation.

[0044] (3) Cooling saccharification: put the fully extruded material in the mash pot and cool it to about 62°C, add 0.1% glucoamylase, and saccharify for abou...

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Abstract

The invention relates to a novel process for producing distilled spirit by pretreating distilled spirit raw and auxiliary materials by means of an extrusion technology and carrying out liquid-state method fermentation. The raw and auxiliary materials for distilled spirit production are pretreated by using the extrusion technology, and reasonable parameters of a distilled spirit raw material extrusion technology and reasonable parameters for liquid-state method distilled spirit production by using the raw materials puffed by extrusion are provided. According to the distilled spirit raw materials pretreated by using the extrusion technology, the compounding effect among materials is better, starch degradation and albuminous degeneration can be performed more thoroughly, so that the utilization rate of the raw materials is increased, and the distilled spirit fermentation cycle is shortened compared with that of the traditional process; and in addition, the flavor, the liquor yield and other multiple qualities of the finished-product distilled spirit are greatly promoted. According to the novel method for brewing by pretreating the distilled spirit raw materials by extrusion, the energy consumption can be saved, the cost is reduced, the raw material utilization rate and the distilled spirit yield are increased, and the fermentation cycle is shortened; and meanwhile, due to multiaspect comprehensive effects, such as sufficient heat effect, mechanical effect and chemical structure modification effect, the yield and quality of the finished-product distilled spirit are greatly promoted.

Description

technical field [0001] The invention relates to a new liquor brewing process combining extrusion technology with a traditional liquor liquid fermentation method, and belongs to the technical field of liquor brewing technology. Background technique [0002] The solid-state fermentation method is the traditional method of producing liquor in my country, but the production of the solid-state fermentation method has a high grain consumption (generally, the solid-state method consumes about 2.5-4 tons of grain per ton of wine, and the high-temperature koji-flavored wine consumes 5-6 tons of grain) , Large energy consumption, long production cycle, low production efficiency and other issues. Under the national conditions of insufficient food supply and tight resources in our country, it is not advocated. [0003] The liquid-state fermentation method of liquor organically combines alcohol production with the process characteristics of traditional solid liquor, which is a major tech...

Claims

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Application Information

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IPC IPC(8): C12G3/02
Inventor 金征宇吴正宗焦爱权徐学明谢正军赵建伟周星王金鹏杨哪田耀旗张玉静
Owner JIANGNAN UNIV
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