The use of Saccharomyces anomaly Wickham t1 in soy sauce aroma enhancement and the aroma enhancement process

A Wickham and yeast technology, applied in fungi, microorganism-based methods, microorganisms, etc., can solve the problems of insufficient flavor of soy sauce and no aroma-enhancing process, and achieve the effect of saving resources

Active Publication Date: 2018-11-16
张晨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to make up for the deficiencies of the prior art and solve the problem of lack of flavor in the low-salt solid-state fermentation process and the salt-free liquid fermentation process of soy sauce production in the prior art, the resulting soy sauce has insufficient flavor. The use of Ruoye yeast T1 in soy sauce aroma enhancement and the soy sauce aroma enhancement process

Method used

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  • The use of Saccharomyces anomaly Wickham t1 in soy sauce aroma enhancement and the aroma enhancement process
  • The use of Saccharomyces anomaly Wickham t1 in soy sauce aroma enhancement and the aroma enhancement process
  • The use of Saccharomyces anomaly Wickham t1 in soy sauce aroma enhancement and the aroma enhancement process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1 Screening and Growth Characteristics of Abnormal Wickham Saccharomyces T1 Strain

[0042] 1. The screening steps for abnormal Wickham yeast T1 strain are as follows:

[0043] Under sterile conditions, mince the Parma ham sample, transfer it to sterile water, vortex and mix it, let it stand for a few minutes, and take the supernatant for separation and screening by streaking method, coating method, and dilution pouring plate method According to the color, size, luster, and transparency of the colony, a single colony was picked and separated and purified by streaking. During multiple isolation and purification processes, a strain T1 that could produce a pleasant aroma was obtained. By extracting the sample genome DNA, 16SrDNA sequence was amplified by PCR, and homologous comparison was performed to prove that the strain was Wickham anomaly, and the strain screened in the present invention was named Wickham anomaly T1.

[0044] The 16S rDNA sequence of Saccharom...

Embodiment 2

[0074] The preparation process of the low-salt solid moromi in A fermentation is as follows:

[0075] 1) Mix soybean meal, bean dregs, and bran at a weight ratio of 5:3:2 to obtain a dry material, add yellow pulp water 1.5 times the weight of the dry material to fully infiltrate, sterilize and steam the material at 121°C for 35 minutes, and the obtained clinker is yellow. The brown color is not dark brown, and the water is suitable for dry and wet to pinch without a hard core and not sticky. At room temperature, koji is planted in an aseptic environment with an amount of 3% of the dry weight of clinker, and then statically cultivated at 27-30° C. for 48 hours to obtain soy sauce koji.

[0076] When the process conditions of this step are determined, in order to improve the activity of protease in soy sauce koji, the four factors of bean dregs content, moistening amount, steaming time and koji making time are selected as the regression model. After testing and analysis, the mod...

Embodiment 3

[0091] The production method of the salt-free liquid moromi in A fermentation is as follows:

[0092] 1) Soybean meal, bean dregs, and bran are mixed in a weight ratio of 5:3:2 to obtain a dry material. The dry material and salt-free yellow syrup are sterilized separately. After sterilization, the dry material and salt-free yellow syrup are 1:4 The mass ratio was fully mixed, inoculated with 3% soy sauce koji essence, sealed with gauze, and cultured on a shaking table at 32° C. and 140 r / min for 48 hours to obtain liquid soy sauce koji. ; add salt-free yellow pulp water equal to the volume of the raw material, adjust the pH to 5.3, ferment for 5-8 days, and sterilize.

[0093] 2) Take the liquid soy sauce koji, add salt-free yellow pulp water equivalent to the liquid soy sauce koji to the liquid soy sauce koji, adjust the pH to 4.8-5.5, and culture it on a shaker at 43°C and 140r / min for 6-7 days to obtain fermentation Salt-free liquid moromi.

[0094] Take the salt-free liq...

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Abstract

The invention discloses the use and aroma-enhancing process of Wickham anomaly yeast T1 in soy sauce aroma-enhancing, belonging to the field of food engineering. The abnormal Wickham yeast strain T1 screened by the present invention has been preserved in the General Microbiology Center of China Microbiological Culture Collection Management Committee, and its preservation number is CGMCC No: 14662, and its preservation time is: September 22, 2017 day. This strain is beneficial to the later flavor enhancement of soy sauce. Regardless of the low-salt solid-state fermentation process or the salt-free liquid state fermentation process, the types of aroma components will increase, especially alcohols and esters. The content of phenylethyl alcohol in low-salt solid-state soy sauce increased from 4.49% to 14.34%; The total content of alcohol esters in salt liquid fermentation increased from 38.1% to 41.05%, an increase of 7.7%. Under the action of aromatic yeast, the mellow and estery aroma of soy sauce is reconciled to present the unique flavor of soy sauce.

Description

technical field [0001] The invention relates to the field of food engineering, in particular to the use of Wickham anomaly yeast T1 in soy sauce aroma enhancement and the soy sauce aroma enhancement process. Background technique [0002] Soy sauce is an indispensable cooking condiment. It can promote digestion and absorption, increase appetite, lower cholesterol and blood pressure. Isoflavones and furanones have cardiovascular protection, anti-oxidation and anti-tumor effects. Studies have found that soy sauce contains a natural substance that can inhibit free radicals from damaging the body. Antioxidant substance, its antioxidant effect is ten times more than the inhibitory effect of vitamin E and C. [0003] The production of soy sauce uses protein-rich beans, starch-rich cereals and their products, and salt as the main raw materials. After koji planting, koji making, and fermentation, they are decomposed and matured into small molecules under the catalysis of various mic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/16A23L27/50C12R1/645
CPCA23L27/50C12N1/145C12R2001/645
Inventor 张晨
Owner 张晨
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