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Yeast food

A yeast nutrient and nutrient technology, applied in the field of nutrients, can solve the problems of reduced raw material utilization rate, slow fermentation process, high yeast mortality rate, etc., and achieve the effects of improving raw material utilization rate, extending stable period, and accelerating reproduction

Active Publication Date: 2009-11-04
ANGELYEAST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of this aspect is to address the above-mentioned deficiencies and provide a nutrient substance necessary for the growth of yeast, which is used to overcome the high mortality of yeast caused by the lack of yeast nutrition in the process of liquor and alcohol fermentation, slow down the fermentation process, and ferment residual sugar. The problem of high and low raw material utilization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The preparation of embodiment 1 yeast nutrient

[0010] 70 grams of urea, 20 grams of ammonium dihydrogen phosphate, 5.7 grams of magnesium sulfate, 2.5 grams of zinc sulfate, 0.5 grams of biotin, vitamin B 1 0.5 grams, 0.5 grams of calcium pantothenate, 0.3 grams of 1.6 million units of penicillin, mixed according to conventional methods and packed into bags.

Embodiment 2

[0011] The preparation of embodiment 2 yeast nutrient

[0012] Ammonium sulfate 65g, diammonium hydrogen phosphate 20g, magnesium sulfate 9g, zinc sulfate 3g, calcium pantothenate 0.8g, biotin 1.4g, vitamin B 1 0.8g, appropriate amount of antibiotics, packed into bags according to conventional methods.

Embodiment 3

[0013] The preparation of embodiment 3 yeast nutrient

[0014] Urea 45g, diammonium hydrogen phosphate 10g, dilight potassium phosphate 5, magnesium sulfate 6g, zinc sulfate 2g, calcium pantothenate 1.5g, biotin 1g, vitamin B 1 0.5g, appropriate amount of antibiotics, packed into bags according to conventional methods.

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PUM

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Abstract

The invention provides a yeast food, which can provide yeasts with nutrients for fermentation. The yeast food comprises the following components by weigh portion: 40 to 75 portions of nitrogen source, 15 to 25 portions of phosphor source, 8 to 15 portions of other inorganic salts and 2 to 5 portions of minor vitamins. The yeast food can prolong the stable growth period of yeasts and can be added into fermented liquor deficient in nutrients to promote the quick growth and active fermentation of the yeasts. The yeast food is an indispensible novel accessory for wine industry and alcohol industry.

Description

technical field [0001] The invention relates to microorganism culture technology, in particular to a nutrient substance specially provided for the growth of yeast. Background technique [0002] At present, with the development of microbial process technology, more and more products are produced by fermentation of strains, especially foods fermented by yeast. For example, the production of alcohol and liquor is the process of converting reducing sugars such as glucose and fructose after the conversion of raw materials into alcohol through the alcoholic fermentation of yeast. Therefore, in order to make alcoholic fermentation proceed normally, it is necessary to ensure that there are sufficient nutritional conditions for the growth of yeast in the fermentation medium. In actual production, due to the poor quality of raw materials, improper process treatment or the influence of yeast metabolites, the mortality of yeast in the middle and late stages of alcohol fermentation incr...

Claims

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Application Information

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IPC IPC(8): C12N1/16C12P7/06C12G3/02C12R1/645
CPCY02E50/17Y02E50/10
Inventor 俞学锋李知洪余明华姚娟李志军刘代武
Owner ANGELYEAST CO LTD
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