CN109266506A - A kind of rice vinegar and preparation method thereof - Google Patents

A kind of rice vinegar and preparation method thereof Download PDF

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Publication number
CN109266506A
CN109266506A CN201811345101.7A CN201811345101A CN109266506A CN 109266506 A CN109266506 A CN 109266506A CN 201811345101 A CN201811345101 A CN 201811345101A CN 109266506 A CN109266506 A CN 109266506A
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China
Prior art keywords
rice
vinegar
lactic acid
preparation
water
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CN201811345101.7A
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Chinese (zh)
Inventor
胥廷良
白永平
童星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Haitian Flavoring and Food Co Ltd
Foshan Haitian Gaoming Flavoring and Food Co Ltd
Foshan Haitian Jiangsu Flavoring and Food Co Ltd
Original Assignee
Foshan Haitian Flavoring and Food Co Ltd
Foshan Haitian Gaoming Flavoring and Food Co Ltd
Foshan Haitian Jiangsu Flavoring and Food Co Ltd
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Application filed by Foshan Haitian Flavoring and Food Co Ltd, Foshan Haitian Gaoming Flavoring and Food Co Ltd, Foshan Haitian Jiangsu Flavoring and Food Co Ltd filed Critical Foshan Haitian Flavoring and Food Co Ltd
Priority to CN201811345101.7A priority Critical patent/CN109266506A/en
Publication of CN109266506A publication Critical patent/CN109266506A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12JVINEGAR; PREPARATION OR PURIFICATION THEREOF
    • C12J1/00Vinegar; Preparation or purification thereof
    • C12J1/04Vinegar; Preparation or purification thereof from alcohol

Abstract

The present invention relates to a kind of rice vinegars and preparation method thereof.Rice is completely sunk in the water the following steps are included: (1) water is added into rice by the preparation method of rice vinegar of the present invention;(2) after the clarification of water for impregnating rice, lactic acid bacteria is added into rice, after mixing, the content for continuing to impregnate rice fixed acid into supernatant liquor under air-proof condition is not less than 0.6g/100mL;(3) it is successively liquefied and is saccharified, then carry out alcoholic fermentation;(4) gained supernatant after step (3) alcoholic fermentation is taken, vinegar fermentation is carried out, obtains original vinegar, the as described rice vinegar.When the present invention prepares rice vinegar, the rice that is soaked in water first is adopted, accelerates the generation of rice steeping process organic acid;The lactic acid bacteria isolated in nature is added, so that rice steeping process is generated the flavor substance of the better flavors such as lactic acid, promotes the flavor of final rice vinegar.

Description

A kind of rice vinegar and preparation method thereof
Technical field
The present invention relates to a kind of rice vinegars and preparation method thereof, and in particular to a kind of flavor fermentation rice vinegar and preparation method thereof.
Background technique
Wine fermentation link before Traditional Industrialization produces rice vinegar, basic procedure are rice slurrying → addition α-amylase liquefaction → saccharification enzymatic conversion → addition yeast alcoholic fermentation is added, the rice wine organic acid content produced in this way is low, after fermentation Rice vinegar acetic acid content account for 99% of total acid content or more, lead to the stimulation of rice vinegar tart flavour, raw green taste weight, need to be placed by long-term Flavor can be just improved afterwards.
Existing following several method improves the scheme of rice vinegar flavor: 1, " a kind of production method of soft rice vinegar " (application number: 201810014935.3) in technique, rice dry grinding technology is used, rice is crushed to 70 before rice liquefaction, saccharification It is more than mesh.2, " a kind of production method of Oryza glutinosa vinegar " (application number: in technique 201710730457.1), divides after glutinous rice pretreatment Light-coloured vinegar, polygalacturonase and the glutinous rice glue enzyme of 4%~8%vol, crude protein enzyme is added to the nutritional ingredient in glutinous rice in section The techniques such as extracted and digested, then liquefied, be saccharified, fermented.3, " production method of rice vinegar " (application number: 201310252269.4) in, rice is directly impregnated, is drained, boiling, fungus growing process, rice is made to liquefy, be saccharified naturally, And utilize the yeast and acetic acid bacteria progress wine fermentation and vinegar fermentation in nature.However, using physics side in the 1st kind of technical solution Method carries out pulverization process to rice, is still difficult thoroughly to extract the nutritional ingredient in rice, and do not occur any Chemical reaction, macromolecular nutritional ingredient are still difficult to be decomposed to form small molecule flavor substance.In 2nd kind of technical solution, pre-treatment behaviour Make complex process, time and cost of material investment are higher, are unfavorable for extensive, industrialized production.In 3rd kind of technical solution, adopt It is more demanding to natural causes such as environment, weathers with natural strain floating, and it is natural in strain it is complex, failure rate Higher, natural spawn activity causes fermentation period longer also below artificial separation, strain after purification, be also unfavorable for it is extensive, Industrialized production.
Summary of the invention
There is provided it is an object of the invention to overcome in place of above-mentioned the deficiencies in the prior art a kind of fragrance is abundant, mouthfeel more It is good, have zestful rice vinegar and preparation method thereof.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of preparation method of rice vinegar comprising following step It is rapid:
(1) water is added into rice, rice is completely sunk in the water;
(2) after the clarification of water for impregnating rice, lactic acid bacteria is added into rice, after mixing, continues to soak under air-proof condition The content for steeping rice fixed acid into supernatant liquor is not less than 0.6g/100mL;
(3) it is successively liquefied and is saccharified, then carry out alcoholic fermentation;
(4) gained supernatant after step (3) alcoholic fermentation is taken, vinegar fermentation is carried out, obtains original vinegar, the as described rice vinegar.
In above-mentioned steps (2), continues after impregnating rice under air-proof condition, supernatant liquor is stirred evenly, sample detection Wherein fixed acid content.It is dipped to fixed acid content >=0.6g/100ml in supernatant liquor, rice vinegar mouthfeel can be made to be filled Dividing improves.In order to make the content for continuing to impregnate rice fixed acid into supernatant liquor under air-proof condition not less than 0.6g/ 100mL, the time for continuing to impregnate rice under air-proof condition need to keep 50 hours or more, such as 50~60 hours.
When the present invention prepares rice vinegar, the rice that is soaked in water first is adopted, part flavor substance in rice is simply leached out, then The lactic acid bacteria isolated in nature is added, so that rice steeping process is generated the flavor substance of the better flavors such as lactic acid, promotes final rice The flavor of vinegar.
Rice vinegar produced by the present invention, fixed acid content are improved compared to the rice vinegar before using the technique, and fragrance is more Abundant, mouthfeel is also obviously improved.The preferred embodiment of preparation method as rice vinegar of the present invention, the step (1) in, rice is polished rice or glutinous rice.
The preferred embodiment of preparation method as rice vinegar of the present invention, the step (1) are as follows: be added into rice Water to water did not had rice 10cm or more, and rice is completely sunk in the water.
Rice in the step (1), is first placed in by the preferred embodiment of the preparation method as rice vinegar of the present invention In rice dipping tank, then water is added into rice.Rice dipping tank is closed container, and rice steeping process is able to maintain oxygen barrier, constant temperature, is more advantageous to cream Acid fermentation process.
The preferred embodiment of preparation method as rice vinegar of the present invention, in the step (2), rice to be impregnated After clarification of water, the liquid that spreads cultivation containing lactic acid bacteria is added into rice;In the liquid that spreads cultivation, the concentration of lactic acid bacteria is 105-107CFU/ mL;The weight ratio of spread cultivation liquid and the rice is 0.1%-0.15%.Using the lactic acid bacteria of the dosage, certain cream can be created Sour collarium border makes lactic acid bacteria during rice steeping form dominant microflora, and lactic acid bacteria is made to be easier to growth, breeding;Prevent miscellaneous bacteria raw simultaneously It is long, guarantee that rice steeping process is never degenerated.The excessively multipair production cost of lactobacillus inoculum amount has some impact on, and inoculum concentration is very few to be not easy to make Lactic acid bacteria forms dominant microflora.
The preferred embodiment of preparation method as rice vinegar of the present invention, the lactic acid bacteria the preparation method comprises the following steps: taking Lactic acid bacteria strains are seeded in MRS broth bouillon and spread cultivation 12-16 hours, to lactic acid bacteria concentration up to 108-109It is right after cfu/mL MRS broth bouillon is centrifuged, and lower layer's lactic acid bacteria thallus is taken to be seeded in lactic acid bacteria seeding tank, and rice liquefaction wine with dregs is added and continues Spread cultivation 12h-16h, obtains the lactic acid bacteria.
The preferred embodiment of preparation method as rice vinegar of the present invention, in the step (2), under air-proof condition The content for continuing to impregnate rice fixed acid into supernatant liquor is 0.6-0.8g/100mL.It is dipped to non-volatile in supernatant liquor The content of acid is 0.6-0.8g/100mL, and the mouthfeel of gained rice vinegar in this way is best, if fixed acid is other concentration, can not be formed Best product mouthfeel.
The preferred embodiment of preparation method as rice vinegar of the present invention, in the step (3), the side of alcoholic fermentation Method are as follows: access aspergillus into saccharification products therefrom or yeast carries out alcoholic fermentation.
The preferred embodiment of preparation method as rice vinegar of the present invention, in the step (4), after obtaining original vinegar, Original vinegar is deployed, filtered, clarified and is sterilized, the rice vinegar is obtained.
In addition, the present invention also provides the rice vinegars being prepared using the above method.Fixed acid in rice vinegar of the present invention Content improves, and taste is better, and fragrance is abundant, mouthfeel be improved significantly.
Compared with prior art, the invention has the benefit that when the present invention prepares rice vinegar, the rice that is soaked in water first is adopted, Accelerate the generation of rice steeping process organic acid;The lactic acid bacteria isolated in nature is added, rice steeping process is made to generate lactic acid etc. The flavor substance of better flavor promotes the flavor of final rice vinegar.Further, present invention employs the lactic acid bacteria of specific dosage, So that lactic acid bacteria is formed dominant microflora in rice steeping process, prevents being mixed into for rice steeping process miscellaneous bacteria.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to the present invention It is described further.
In following embodiments, lactic acid bacteria the preparation method comprises the following steps: take lactic acid bacteria strains, be seeded in 20mL MRS broth bouillon In spread cultivation 12-16 hours, to lactic acid bacteria concentration up to 108-109MRS broth bouillon is centrifuged after cfu/mL, takes lower layer newborn Sour bacterium thallus is seeded in 10L lactic acid bacteria seeding tank, and rice liquefaction wine with dregs is added and continues the 12h-16h that spreads cultivation, obtains the lactic acid bacteria. Liquid per row's half material for 24 hours and supplements fresh rice liquefaction wine with dregs holding lactic acid bacteria culturers vigor in lactic acid bacteria seeding tank.
Wherein, lactic acid bacteria seeding tank is constant temperature and pressure vapor tight tank, and lactic acid bacteria seeding tank is periodically added nutriment and keeps cream Sour bacterium seed vitality, discharge gate of the material Jing Guo tank bottom is mixed with compressed air in lactic acid bacteria seeding tank, through pipeline and rice dipping tank Top is connected, and pipe end connects spray equipment, is sprayed into bacterium solution uniformly in rice dipping tank.Pass through agitating device in rice dipping tank again, It is uniformly mixed bacterium solution with material.
Embodiment 1
A kind of embodiment of the preparation method of rice vinegar of the present invention, rice vinegar described in the present embodiment the preparation method comprises the following steps:
(1) polished rice 500kg is taken, is directly poured into rice dipping tank, the liquid level that industrial water is added to water is higher than rice 10cm, with Guarantee that rice is completely sunk in the water;
(2) it is stood by muddiness to after clarifying wait impregnate the water of rice, the rice liquefaction containing lactic acid bacteria is added into rice Wine with dregs, the concentration of lactic acid bacteria is 10 in rice liquefaction wine with dregs6CFU/mL, rice liquefaction wine with dregs and the weight ratio of step (1) polished rice are 0.1%;Simultaneously turn on agitator 5-10min mixes material to sealing rice dipping tank, detects after standing 55h non-volatile in supernatant liquor The content of acid is 0.62g/100mL, stops standing;
(3) wintercherry water obtained by step (2) and rice are pumped into liquefied pot and are liquefied, then carry out saccharification production Rice & peanut milk;Again 0.2% production Active Dry Yeast is accessed after to saccharification in gained Rice & peanut milk, normal temperature fermentation 7 days, alcoholic strength was 10.2 °;
(4) gained supernatant after taking step (3) to ferment carries out vinegar fermentation using this tank culture 18h of small-sized forint, obtains original Vinegar;
(5) original vinegar deployed, filtered, clarified and is sterilized, obtain the rice vinegar.
Embodiment 2
A kind of embodiment of the preparation method of rice vinegar of the present invention, rice vinegar described in the present embodiment the preparation method comprises the following steps:
(1) polished rice 400kg is taken, is directly poured into rice dipping tank, the liquid level that industrial water is added to water is higher than rice 11cm, with Guarantee that rice is completely sunk in the water;
(2) it is stood by muddiness to after clarifying wait impregnate the water of rice, the rice liquefaction containing lactic acid bacteria is added into rice Wine with dregs, the concentration of lactic acid bacteria is 10 in rice liquefaction wine with dregs5CFU/mL, rice liquefaction wine with dregs and the weight ratio of step (1) polished rice are 0.15%;Simultaneously turn on agitator 5-10min mixes material to sealing rice dipping tank, detects not waving in supernatant liquor after standing 58h The content turned sour is 0.64g/100mL, stops standing;
(3) wintercherry water obtained by step (2) and rice are pumped into liquefied pot and are liquefied, then carry out saccharification production Rice & peanut milk;Again Aspergillus is accessed in gained Rice & peanut milk after to saccharification, and normal temperature fermentation 7 days to alcoholic strength is 10.3 °;
(4) gained supernatant after taking step (3) to ferment carries out vinegar fermentation using this tank culture 18h of small-sized forint, obtains original Vinegar;
(5) original vinegar deployed, filtered, clarified and is sterilized, obtain the rice vinegar.
Embodiment 3
A kind of embodiment of the preparation method of rice vinegar of the present invention, rice vinegar described in the present embodiment the preparation method comprises the following steps:
(1) glutinous rice 450kg is taken, is directly poured into rice dipping tank, the liquid level that industrial water is added to water is higher than rice 12cm, with Guarantee that rice is completely sunk in the water;
(2) it is stood by muddiness to after clarifying wait impregnate the water of rice, the rice liquefaction containing lactic acid bacteria is added into rice Wine with dregs, the concentration of lactic acid bacteria is 10 in rice liquefaction wine with dregs7CFU/mL, rice liquefaction wine with dregs and the weight ratio of step (1) glutinous rice are 0.12%;Simultaneously turn on agitator 5-10min mixes material to sealing rice dipping tank, detects not waving in supernatant liquor after standing 56h The content turned sour is 0.61g/100mL, stops standing;
(3) wintercherry water obtained by step (2) and rice are pumped into liquefied pot and are liquefied, then carry out saccharification production Rice & peanut milk;Again 0.2% production Active Dry Yeast is accessed in gained Rice & peanut milk after to saccharification, and normal temperature fermentation 7 days to alcoholic strength is 10.1 °;
(4) gained supernatant after taking step (3) to ferment carries out vinegar fermentation using this tank culture 18h of small-sized forint, obtains original Vinegar;
(5) original vinegar deployed, filtered, clarified and is sterilized, obtain the rice vinegar.
Effect example 1
This effect example compares original vinegar made from Examples 1 to 3 and the mouth by original vinegar made from existing rice vinegar production method The content of sense, wherein fixed acid.Wherein, the difference of existing rice vinegar production method and 1 rice vinegar preparation method of embodiment is only that: Existing rice vinegar production method is that the water and rice that will impregnate rice are pumped into liquefied pot without containing the step (2) in embodiment 1 Liquefaction.
Sensory test method are as follows: referring to 12315 Preference appraise method of GB/T, to original vinegar made from Examples 1 to 3 with The mouthfeel of the original vinegar of existing rice vinegar production method production has carried out Preference sense organ appraise.Fixed acid content detection side in original vinegar Method detects fixed acid content in sample referring to GB/T 18187 " making vinegar ".The results are shown in Table 1.
Table 1
Seen from table 1, the content of the fixed acid contained using rice vinegar made from the method for the present invention is improved, and mouthfeel is more Better than existing method production rice vinegar, and anacidity turn sour taste, quality is more.
Effect example 2
When the method according to the invention prepares rice vinegar, stop during impregnating after lactic acid bacteria is added into rice, upper layer The content of fixed acid influences the mouthfeel of gained original vinegar in clear liquid.This effect example is prepared for test group 1~3 and control group 1~3 Rice vinegar, and compare their mouthfeel and quality.1~3 rice vinegar of test group 1~3 and control group the preparation method comprises the following steps:
(1) water is added into rice, rice is completely sunk in the water;
(2) after the clarification of water for impregnating rice, lactic acid bacteria is added into rice, after mixing, continues to soak under air-proof condition Rice is steeped, the content of fixed acid is as shown in table 2 in supernatant liquor after immersion;
(3) it is successively liquefied and is saccharified, then carry out alcoholic fermentation;
(4) gained supernatant after step (3) alcoholic fermentation is taken, vinegar fermentation is carried out, obtains original vinegar, the as described rice vinegar.
It should be noted that the preparation method of 1~3 rice vinegar of test group 1~3 and control group impregnated except step (2) after in water not Except the content of volatile acid is different, other steps are all the same.
The identification method of mouthfeel, quality: after test group 1-3 and control group 1-3 are fermented into rice vinegar, before technologic improvement Rice vinegar embryo carries out directly tasting comparison, and every group of 10 idividual opinion of sample collection carries out mouthfeel and quality after having collected opinion It is described collectively.The mouthfeel and quality of 1~3 rice vinegar of test group 1~3 and control group are as shown in table 2.
Table 2
As can be seen from Table 2, above-mentioned steps (2) are dipped to content >=0.6g/100mL of fixed acid in water, gained rice in this way The mouthfeel of vinegar is best, if fixed acid concentration is lower than 0.6g/100mL, can not form best product mouthfeel.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention And range.

Claims (10)

1. a kind of preparation method of rice vinegar, which comprises the following steps:
(1) water is added into rice, rice is completely sunk in the water;
(2) after the clarification of water for impregnating rice, lactic acid bacteria is added into rice, after mixing, continues to impregnate under air-proof condition big The content of rice fixed acid into supernatant liquor is not less than 0.6g/100mL;
(3) it is successively liquefied and is saccharified, then carry out alcoholic fermentation;
(4) gained supernatant after step (3) alcoholic fermentation is taken, vinegar fermentation is carried out, obtains original vinegar, the as described rice vinegar.
2. the preparation method of rice vinegar as described in claim 1, which is characterized in that in the step (1), rice is polished rice or glutinous Rice.
3. the preparation method of rice vinegar as described in claim 1, which is characterized in that the step (1) are as follows: water is added into rice Do not had rice 10cm or more to water, rice was completely sunk in the water.
4. the preparation method of rice vinegar as described in claim 1, which is characterized in that in the step (1), rice is first placed in leaching In rice tank, then water is added into rice.
5. the preparation method of rice vinegar as described in claim 1, which is characterized in that in the step (2), the water of rice to be impregnated After clarification, the liquid that spreads cultivation containing lactic acid bacteria is added into rice;In the liquid that spreads cultivation, the concentration of lactic acid bacteria is 105-107CFU/ mL;The weight ratio of spread cultivation liquid and the rice is 0.1%-0.15%.
6. the preparation method of rice vinegar as claimed in claim 1 or 5, which is characterized in that the lactic acid bacteria the preparation method comprises the following steps: taking Lactic acid bacteria strains are seeded in MRS broth bouillon and spread cultivation 12-16 hours, to lactic acid bacteria concentration up to 108-109It is right after cfu/mL MRS broth bouillon is centrifuged, and lower layer's lactic acid bacteria thallus is taken to be seeded in lactic acid bacteria seeding tank, and rice liquefaction wine with dregs is added and continues Spread cultivation 12h-16h, obtains the lactic acid bacteria.
7. the preparation method of rice vinegar as described in claim 1, which is characterized in that in the step (2), under air-proof condition after The continuous content for impregnating rice fixed acid into supernatant liquor is 0.6-0.8g/100mL.
8. the preparation method of rice vinegar as described in claim 1, which is characterized in that in the step (3), the method for alcoholic fermentation Are as follows: aspergillus is accessed into saccharification products therefrom or yeast carries out alcoholic fermentation.
9. the preparation method of rice vinegar as described in claim 1, which is characterized in that, will after obtaining original vinegar in the step (4) Original vinegar is deployed, is filtered, clarified and is sterilized, and the rice vinegar is obtained.
10. the rice vinegar being prepared using any one of claim 1~9 the method.
CN201811345101.7A 2018-11-12 2018-11-12 A kind of rice vinegar and preparation method thereof Pending CN109266506A (en)

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Publication number Priority date Publication date Assignee Title
CN110093243A (en) * 2019-05-29 2019-08-06 浙江工商大学 Shorten the method for rice dipping time in a kind of manufacture of rose vinegar
CN113444766A (en) * 2021-06-04 2021-09-28 佛山市海天(江苏)调味食品有限公司 Enrichment medium for spoilage bacteria in fermented wine aging process and detection method
CN113913268A (en) * 2021-12-06 2022-01-11 绍兴至味食品有限公司 Production process of glutinous rice white vinegar
CN116135957A (en) * 2023-03-02 2023-05-19 海天醋业(广东)有限公司 Vinegar fermentation method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110093243A (en) * 2019-05-29 2019-08-06 浙江工商大学 Shorten the method for rice dipping time in a kind of manufacture of rose vinegar
CN113444766A (en) * 2021-06-04 2021-09-28 佛山市海天(江苏)调味食品有限公司 Enrichment medium for spoilage bacteria in fermented wine aging process and detection method
CN113913268A (en) * 2021-12-06 2022-01-11 绍兴至味食品有限公司 Production process of glutinous rice white vinegar
CN116135957A (en) * 2023-03-02 2023-05-19 海天醋业(广东)有限公司 Vinegar fermentation method

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Application publication date: 20190125