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Production method of yeast extract of disodium 5'-inosinate and disodium 5'-guanylate

A technology of disodium homoinosinate and disodium guanylate, applied in food science, application, food preparation, etc., can solve the unpublished production of natural high-fresh yeast extract of homoinosinate disodium, which cannot be used Waste beer yeast slime treatment, no mention of product bitterness and peculiar smell, etc., to achieve good clarity, high total nitrogen and ammonia nitrogen, and high protein utilization

Inactive Publication Date: 2015-04-08
SHANDONG BIO SUNKEEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the above-mentioned prior art documents do not disclose the high-fresh yeast extract of natural homoinosinate disodium and disodium guanylate produced from waste brewer's yeast sludge.
There is no mention of how to solve the problems of bitterness and peculiar taste, and insufficient mellowness and umami taste in the process of producing high-fresh yeast extract from waste beer yeast sludge
In addition, in waste beer yeast sludge, the initial ribonucleic acid content is often low, far below the 8% content required in Chinese Patent No.CN101513248B
Therefore can't utilize this method to process waste brewer's yeast slime

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1: High I+G yeast extract product 1 obtained according to the method of the present invention

[0046] Main equipment: self-dissolving tank, evaporator; separator, spray tower.

[0047] Produce according to the following process (based on 30 kilograms of brewer's yeast mud):

[0048] Fresh beer yeast puree is preferred, transported and stored in a refrigerated truck, the temperature is not higher than 15°C, and the storage process is preferably not higher than 5°C. Sieve through a 60-200 mesh sieve to remove foreign matter such as hops.

[0049] Adjust the treated yeast slime to 8-18%, add NaHCO accounting for 2.0% of the total dry weight of yeast slime 3 After 2 hours of treatment below 10°C, separate again. Then add 1.5% NaHCO 3 Then treat at below 10°C for 1.5 hours, separate and wash until the pH is 6.0.

[0050] Adjust the concentration of yeast slime after the above treatment to a solid content of 10%, add 7% alcohol as an autolysis accelerator, ra...

Embodiment 2

[0054] Example 2: Yeast extract product 2 obtained according to the method of the present invention

[0055] The main equipment and materials are the same as above.

[0056] Produce according to the following process (based on 30 kilograms of brewer's yeast mud):

[0057] Fresh beer yeast puree is preferred, transported and stored in a refrigerated truck, the temperature is not higher than 15°C, and the storage process is preferably not higher than 5°C. Sieve through a 60-200 mesh sieve to remove foreign matter such as hops.

[0058] Adjust the treated yeast slime to 8-18%, add NaHCO accounting for 1.5% of the total dry weight of yeast slime 3 After 2 hours of treatment below 10°C, separate again. Then add 1.0% NaHCO 3 Then treat at below 10°C for 1.0 hour, separate and wash until the pH is 6.0.

[0059] Adjust the concentration of yeast sludge after the above treatment to a solid content of 12%, add 9% alcohol as an autolysis accelerator, raise the temperature to 48°C, t...

Embodiment 3

[0063] Example 3: Yeast extract product 3 obtained according to the method of the present invention

[0064] The main equipment and materials are the same as above.

[0065] Produce according to the following process (based on 30 kilograms of brewer's yeast mud):

[0066] Fresh beer yeast puree is preferred, transported and stored in a refrigerated truck, the temperature is not higher than 15°C, and the storage process is preferably not higher than 5°C. Sieve through a 60-200 mesh sieve to remove foreign matter such as hops.

[0067] Adjust the treated yeast slime to 8-18%, add NaHCO accounting for 2.0% of the total dry weight of yeast slime 3 After 1 hour of treatment below 10°C, separate again. Then add 1.5% NaHCO 3 Then treat at below 10°C for 2.0 hours, separate and wash until the pH is 6.0.

[0068] Adjust the concentration of the yeast sludge after the above treatment to a solid content of 15%, add 9% alcohol as an autolysis accelerator, raise the temperature to 45°...

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Abstract

The invention provides a method for treating waste beer yeast paste to produce yeast extract of disodium 5'-inosinate and disodium 5'-guanylate (I+G). The method comprises the following steps: (1) separating or squeezing the waste beer yeast paste; (2) debittering; (3) self-dissolving; (4) carrying out enzymolysis; (5) raising the temprature and carrying out enzyme deactivation; (6) separating and evaporating; and (7) drying. According to the method provided by the invention, the content of the obtained yeast extract of the disodium 5'-inosinate and the disodium 5'-guanylate is high; additives are not added and the utilization rate of protein is high; and the content of total nitrogen and ammonia nitrogen is high. According to the method provided by the invention, the bitter taste of the product can be reduced and the umami is enhanced; and meanwhile, the mellow taste is improved and the peculiar smell is balanced, and the comprehensive taste of the product can be effectively improved.

Description

technical field [0001] The invention relates to a production method of yeast extract, in particular to a method for producing homoinosinate disodium and guanylate disodium (I+G) yeast extract from waste beer yeast sludge. Background technique [0002] Yeast extract is a nutritional flavor enhancer prepared from edible baker's yeast or brewer's yeast. Yeast extract is a natural food ingredient with high nutritional value, so it is widely used in food processing industries such as instant noodles, meat products, soy sauce, and chicken essence. [0003] China is the second largest beer producing country in the world, and our country has a large amount of waste beer yeast slime resources after beer fermentation. In 2013, my country's beer production was about 50.615 million tons, and it is expected to increase by 6% in 2014. It is estimated that the production of beer is 53.6519 million tons. According to the calculation of 1.5% yeast slime for every ton of beer produced, it is...

Claims

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Application Information

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IPC IPC(8): A23L1/221A23L1/28A23L1/29A23L31/15
Inventor 刘玉奉李天宇朱昌雄余明华
Owner SHANDONG BIO SUNKEEN
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