CN108373943A - A method of preparing low arsenic free-floride krill oil - Google Patents
A method of preparing low arsenic free-floride krill oil Download PDFInfo
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- CN108373943A CN108373943A CN201810267685.4A CN201810267685A CN108373943A CN 108373943 A CN108373943 A CN 108373943A CN 201810267685 A CN201810267685 A CN 201810267685A CN 108373943 A CN108373943 A CN 108373943A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D7/00—Edible oil or fat compositions containing an aqueous phase, e.g. margarines
- A23D7/005—Edible oil or fat compositions containing an aqueous phase, e.g. margarines characterised by ingredients other than fatty acid triglycerides
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D7/00—Edible oil or fat compositions containing an aqueous phase, e.g. margarines
- A23D7/02—Edible oil or fat compositions containing an aqueous phase, e.g. margarines characterised by the production or working-up
- A23D7/04—Working-up
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
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Abstract
The present invention relates to a kind of methods preparing low arsenic free-floride antarctic krill oil, including：a）Krill is shredded or is milled into krill fragment；b）Krill fragment is preheated；c）The temperature that the heating of krill fragment is reached to 100 200 DEG C, the broken sticky phosphatide in the block of krill that chopping is extracted with high temperature or is milled；d）Separate section nonfatty solid and solidliquid mixture from krill fragment cooking liquor；e）Crimping section nonfatty solid object obtains stamped fluid；f）Residual solid particle is detached from stamped fluid to obtain the stamped fluid of noresidue solid particle；g）Water is added into stamped fluid, is adjusted to pH4 6 with HCl, pickling is separated to obtain water phase and oil phase, retains oil phase, obtain lotion；h）The water in lotion is removed, to obtain the krill oil rich in phosphatide.The invention can ensure that, the krill of chopping or classification fresh using height, avoids phospholipid breakdown and/or lipid rotten.In addition, the krill oil arsenic amount being prepared substantially reduces.
Description
Technical field
The present invention relates to a kind of methods preparing low arsenic free-floride antarctic krill oil.
Background technology
Krill (Euphausia superba) it is distributed across krill (krill) general name in Southern Oceans marine site, it is often referred to
Body grows the Antarctic krill in 5.6-6.0cm.As the maximum single living resources of Southern Oceans, krill be penguin, sea dog,
The main foodstuff of cetacean contour level predator.In as South Pole food Chain System in addition to the most important producer, krill
Because its huge biomass becomes the potential fishery resources being concerned.Statistics show that the amount of fishing of krill is generation
One times of existing fishery production in boundary or more has huge development and utilization potentiality.
Not only stock number is big for krill, and full of nutrition.Domestic and foreign scholars are to krill nutritional ingredient and chemistry
Composition studies have shown that krill nutritional ingredient is complete, it is necessary to amino acid ratio is high, and unsaturated fatty acid content is high, except tool
Have outside higher edible value, be alternatively arranged as extraction shrimp sauce and process the quality raw materials of feed.Krill is developed and used in sea
Foreign living resources, today that especially Conventional marine living resources fail increasingly, undoubtedly meet the mankind to aquatic products demand and
Alleviate the effective way of crisis in food.
However, the feature of arsenic in krill, fluorine content exception hinders its development in food service industry.Krill shell
To fluorine have stronger accumulation ability, but krill after death, the fluorine in shrimp shell can penetrate into shrimp quickly so that the South Pole
Krill meat loses edible value because fluorinated volume is excessively high, in order to make krill achieve the purpose that safe edible, needs to the South Pole
The fluorine of krill krill carries out removing processing.According to detection, fluorine content is 178~285 μ g/g dry samples in krill muscle, in crust
Fluorine content highest, content can reach 4078 μ g/g krill dry samples.Recommended according to Chinese Soclety of Nutrition, adult should absorb daily
1.5~3mg of fluorine, fluorine content has been more than the optimum range of human body in krill body.If the food directly developed with krill
Middle fluorine content is higher, can influence human health.
From the point of view of the traditional krill meal processing layout used in some current factory's trawler, minimal amount of phosphorus is only produced
Shrimp sauce.This krill oil is generally rich in neutral lipid, and content of phospholipid is very low or can't detect.In general, on traditional ship（Sea
On）In krill process, fresh krill is heated using the indirect steam heating boiling vessel with rotation screw conveyor, then
Carry out twin-screw extruder and drying.The pressed liquor obtained by twin-screw squeezer is by decanter to remove insoluble solid.
The krill oil fluorine content being prepared is higher, and arsenic content is relatively low.
Invention content
The present invention is in view of the above-mentioned problems, provide a kind of method preparing low arsenic free-floride antarctic krill oil.
The technical solution used in the present invention is as follows：A method of low arsenic free-floride antarctic krill oil is prepared, including：
a）Krill is shredded or is milled to form krill powder;
b）The krill powder minced is preheated to 60 DEG C of maximum temperature at least 1 minute, wherein preheating uses indirectly and/or directly
Steam-heating system carries out;
c）Krill powder after preheating is contacted 1 to 5 minutes with direct steam syringe under at least pressure of 100kPa, until
Krill powder reaches 100-200 DEG C of temperature with well-done chopping or the krill milled, and obtains sticky phosphatide；
d）The solids and solution of separate section degreasing from well-done krill;
e）The solids of crimping section degreasing is to obtain the stamped fluid with residual solids particle and partially skimmed solid;
f）From step e）Residual solid particle is detached in the stamped fluid of middle acquisition to obtain the solid particle of substantially noresidue
Stamped fluid;
g）Water is added into the stamped fluid of the solid particle of substantially noresidue, mixture is adjusted to pH4-6, pickling phase with HCl
Isolated water phase and oil phase retain oil phase, obtain comprising water, protein, astaxanthin, EPA, DHA and the krill rich in phosphatide
The lotion of oil；
h）The water in lotion is removed, to obtain the krill oil rich in phosphatide, wherein being combined with astaxanthin comprising EPA and DHA.
Step b）In, the length of the krill minced or a diameter of 1-20mm.
The direct steam syringe is applied by pipe with auger conveyor and several nozzles or cylinder system, the spray
Mouth partly or through the whole length of the pipe or cylinder system sprays steam.
Wherein step d）And f）In separation carried out using decanter, wherein the torque of decanter be 1-100kNm, and
Wherein decanter has the speed of 100-1000rpm.
The wherein described decanter is two-phase decanter or three-phase decanter.
Middle step e）Middle partially skimmed and the solidliquid mixture of dehydration are pressed through the partially skimmed and dehydration
Solidliquid mixture is sent into screw pump and/or screw conveyor, is used in combination screw press to squeeze the solid of fusing, and wherein dehydration is solid
The temperature of body is 50-125 DEG C.
Wherein step g）In, water, the body of stamped fluid and water are added into the stamped fluid of the solid particle of substantially noresidue
Product is than being 1:10.
Mixture is adjusted to pH4.6 with HCl.
Wherein step g）In triplicate.
Wherein step h）In water removed by evaporating, wherein the evaporation using about 10-80 mPa vacuum pressure into
The water content of row, the krill oil after water removal is less than 8%.
Beneficial effects of the present invention are as follows：All products obtained with method disclosed by the invention are entirely free of any types
The organic solvent and/or CO2 supercritical fluids and/or enzyme for detaching krill oil.In the present invention, it discloses from fresh phosphorus
Shrimp, similar shell-fish and the new method that phosphatide is extracted in other marine resources.The present invention allows more efficient phosphatide extraction process,
And it is almost carried out immediately after seafood captures fresh krill.This process ensures, the phosphorus of chopping or classification fresh using height
Shrimp avoids phospholipid breakdown and/or lipid rotten.In addition, the krill oil arsenic content being prepared reduces 90% compared to normal krill oil
More than, fluorinated volume reduces 96% or more compared to normal krill oil.
Specific implementation mode
A method of low arsenic free-floride antarctic krill oil is prepared, including：
a）Krill is shredded or milled to form krill end;
b）The krill powder minced is preheated to 60 DEG C of maximum temperature at least 1 minute, wherein preheating uses indirectly and/or directly
Steam-heating system carries out;
c）Krill powder and direct steam syringe after preheating is contacted 1 to 10 minutes under at least pressure of 100kPa, directly
Reach 100-200 DEG C of temperature with well-done chopping or the krill milled to krill powder, obtains sticky phosphatide;
d）The solids of separate section degreasing from well-done krill;
e）The solids of crimping section degreasing is to obtain the stamped fluid with residual solids particle and solid portion;
f）From step e）Residual solid particle is detached in the hydraulic fluid of middle acquisition to obtain the solid particle of substantially noresidue
Stamped fluid;
g）Water is added into the stamped fluid of the solid particle of substantially noresidue, mixture is adjusted to pH4-6, pickling point with HCl
Liquid phase separation obtains water phase and oil phase, retains oil phase, obtains comprising water, protein, astaxanthin, EPA, DHA and rich in phosphatide
The lotion of krill oil；
h）The water in lotion is removed, to obtain the krill oil rich in phosphatide, wherein being combined with astaxanthin comprising EPA and DHA.
Step a）Chopping or grinding use screw pump, there is meat grinder containing porose plate or carried out with peeler.Step
Rapid a）Chopping or grinding the size of krill and/or krill part is decreased to about 1-20mm, i.e. step b）In, it is described to mince
The length of krill or a diameter of 1-20mm, preferably to about 1-15mm are straight more preferably to the type according to the shredding facilities used
Diameter or length are about 1-10mm, or still more preferably about 2-5mm.The purpose of chopping is to be exposed to the internal structure of krill material
The well-done effect of steam, and then carry out phosphatide extraction.Compared with using whole body krill, smashing krill to pieces causes higher phosphatide to extract
Efficiency.Compared with whole body krill, smashs krill to pieces and better phosphatide extraction is provided.
In step b), temperature is increased to 57 DEG C from about 0 DEG C with indirect steam heating using continuous steamer.When reaching
At 57-60 DEG C, krill starts to condense, and krill texture changes, and becomes flexible and rubber-like.Krill can be sticked in pot, resistance
Plug system prevents smooth flowing.
In the boiling vessel with indirect and/or direct steam heating or another heating system partly by the krill of chopping
It is cooked（Preheating）, but with the preferred 1-300rpm of the slow-speed of revolution, to avoid excessive emulsification.
Cooking step uses continuous melting heater, wherein by being applied positioned at the nozzle through entire fusing heater length
Live steam is added to inject, to increase about 57 DEG C to 97 DEG C of krill temperature.
The direct steam syringe is applied by pipe with auger conveyor and several nozzles or cylinder system, the spray
Mouth partly or through the whole length of the pipe or cylinder system sprays steam.
Heat it is well-done after, be sent in high-temperature steam equipment, about 1-10 minutes residence time, with effectively phosphatide melt.
Krill phosphatide has high viscosity, and therefore, in order to obtain high phospholipid release in neutralizing liquid, which is required.
Step c）In, the heating of the krill of preheating chopping is heated to about 100-200 DEG C, preferably from about 120-180 DEG C, or more
Preferably from about 130-150 DEG C of temperature.Wherein in addition heating stepses can be used using the operation that direct live steam syringe carries out
Screw conveyor, with the slow-speed of revolution of about 1-100rpm work, it is preferable to use about 2-70rpm, more preferably from about 3-50rpm, also more
Preferably from about 5-10rpm.Vapor (steam) temperature is higher, higher by more effectively melting activity extraction phosphatide, because phosphatide becomes less
It is sticky, to promote them to be once pressed（To oily part）Just migrated out from matrix.
Wherein step d）And f）In separation carried out using decanter, wherein the torque of decanter be 1-100kNm, and
Wherein decanter has the speed of 100-1000rpm.It is preferred that adjusting decanter in about 1.8 × 2.5kNm, not to conveyer
The krill fed with speed control and at a temperature of about 93 DEG C to 96 DEG C so as to by neutral lipid as much as possible from be cooked/melting
It is expressed into the krill of change in decanter liquid, phosphatide focuses more in solid phase.
The wherein described decanter is two-phase decanter or three-phase decanter.It is preferable to use the continuous twin-screws with high pressure
Squeezer squeezes, and the oil that the phosphatide of thawing is mixed with neutral lipid and astaxanthin is discharged into press liquid.Squeezing step passes through company
The temperature of continuous squeezing, decanter solid is fed using screw rod with 1 to 10rpm low speed at 93 DEG C to 96 DEG C.
Wherein step e）Middle part nonfatty solid object be pressed through by the partially skimmed solids be sent into screw pump and/
Or screw conveyor, it is used in combination screw press to squeeze well-done solid, and the temperature of wherein nonfatty solid is 50-125 DEG C.Gained
To neutralizing liquid mainly carried out by being directly injected into the effect of steam with high pressure from various nozzles in entire well-done heater
Emulsification, generates agitaion, phosphatide works as emulsifier inside equipment.Break this breast using different conditions
Liquid, such as addition acid or salt technique.
Generation high speed stirs, and the lotion for being conducive to phosphatide as emulsifier is formed.By melt stage, since phosphatide is made
Higher for the emulsion process of emulsifier, extractible content of phospholipid is higher, so the amount of extraction phosphatide is maximum.
Wherein step g）In, water, the body of stamped fluid and water are added into the stamped fluid of the solid particle of substantially noresidue
Product is than being 1:10.Mixture is adjusted to pH4.6 with HCl.By comparing the defluorinate rate of different water addition ratio examples, it is found that water addition ratio example is
1:Dechlorination rate when 10 is higher, excessive or very few can all reduce defluorinate rate.
1 antarctic krill oil different feed liquid of table than when arsenic-removing rate
Wherein step g）In triplicate.By comparing the defluorinate rate of different water addition ratio examples and pickling number, water addition ratio example is found
It is 1:10, the defluorination effect of pickling three times is best, and whens pickling more numbers is not significantly improved defluorinate rate, can reach defluorinate rate
96% or more.
In the method for the invention, wherein with water, protein and astaxanthin emulsification and phosphatide play the phosphorus of emulsifier
The phase separation for the pressed liquor that the phosphatide of fat and EPA and DHA are enriched with is by using detaching centrifuge.Centrifuge is detached in about 10-140
DEG C, preferably from about 15-130 DEG C, more preferably from about 20-125 DEG C, even more preferably from being operated at a temperature of about 25-121 DEG C.The separation used
Centrifuge has light component discharge and heavy constituent discharge.From light component discharge, aqueous emulsion or oil-in-water emulsion, preferably water are discharged
Packet fat liquor.The water content of this oil in water emulsion preferably from about 25-70%, content of phospholipid preferably from about 15-50%（Butt）, mainly
By krill seasonal effect.Squeezing liquid is supplied at a temperature of about 90-95 DEG C in separation centrifuge, from light phase（Or light group
Point）Discharge obtains the lotion rich in phosphatide that water content is about 25-70% and content of phospholipid is preferably about equal to content of phospholipid about 33-
50%w/w（Butt）About 15-20%w/w（Wet basis）.The heavy constituent of the separator centrifuge used from the present invention is arranged
Go out in object, preferably discharges the viscous water of about 90-95% moisture and about 1-3% lipids.
Wherein step h）In water removed by evaporating, wherein the evaporation using about 10-80 mPa vacuum pressure into
The water content of row, the krill oil after water removal is less than 8%.
In one embodiment, further comprise removing water according to the method for the present invention from lotion to obtain dry krill
Oil, the krill oil are rich in phosphatide, and wherein EPA and DHA are combined with astaxanthin and removed water by evaporation.According to the present invention
Method in, using about 10-80mPa, preferably from about 15-65mPa, more preferably from about 20-45mPa, and even more preferably from about 25-
The high vacuum pressure equivalence of 35mPa is evaporated.According to the present invention, in order to evaporate water from lotion, it is preferable to use horizontal thin film
Evaporator dries phospholipid emulsion to the 1% of water content, and preferably heating temperature evaporation conditions are 40-90 DEG C, pressure be 25 to
50mPa
As preferred embodiment, temperature in use 40-100, preferably from about 60-80 DEG C of thin film evaporator are using pressure
20-50mPa, or even the vacuum condition of preferably 25-40mPa are less than 1% to evaporate the water mbar acquisition water content from lotion
Rich in phosphatide krill oil.The present invention is not limited to any certain types of evaporator or dryer system with evaporated from lotion water with
Avoid its pyrolytic damage.Using horizontal thin film evaporator, the dry phosphatide krill oil of the homogeneous for human health application is obtained, preferably
Content of phospholipid is 15-50%w/w, and EPA and DHA content are preferably 10-50%w/w, astaxanthin 400-1500ppm.By this
The krill oil rich in neutral lipid that the decantate of invention generates can also be used for human health application, with preferably 70 to
The neutral lipid content of 100%w/w, DHA and EPA content are preferably 5 to 35% w/w and content astaxanthin is preferably
400-1600mg / kg。
As preferred embodiment, marine biomass is krill, preferably krill.Other krill species or shell-fish
The method that animal or fish species or marine species can also use the present invention is handled.Krill is preferably defined herein new
It is processed under fresh state.Present invention can also apply to other marine species and/or salmon, squid, the aquatic resources such as seaweed are used for
Produce the oil of human consumption.
After capturing krill in 1 hour, or in preferably 0.5 hour or it is 20 minutes more preferable in, aboard ship processing krill.
In an embodiment of the present invention, including ship draws trawlnet, and trawlnet is configured to capture krill and/or ship from fishing boat or other works
Factory's trawler receives its krill or other species.
Then krill is transferred on ship and is handled from trawlnet, preferably immediately treated after capturing krill.Trawlnet packet
It includes（The conventional fishing gear that system forms is sealed by trawlnet and/or wallet）And/or pumping system, by the krill of fresh capture from dragging
Net is pumped on ship, to enable krill to be handled with fresh state.As preferred embodiment, in the method for the present invention
In, so as to get decantate by separator centrifuge, then by clarifier separator centrifuge, obtain and be rich in neutral lipid
Sticky water and krill oil.Astaxanthin and substantially free of or undetectable phosphatide composition.The mucus obtained has about
The low-fat content of 0.3-0.5%.The krill that sea on factory ship uses has freshness in 1-2 hours after capture.
Example the above is only the implementation of the present invention is not used for limiting the scope of the invention；The protection of the present invention
Range is limited by the claim in claims, and every according to equivalence changes made by invention and modification, all in this hair
Within the protection domain of bright patent.
Claims (10)
1. a kind of method preparing low arsenic free-floride antarctic krill oil, which is characterized in that including：
a）Krill is shredded or milled, krill granule or block are processed into;
b）The krill fragment end shredded or milled is preheated to 60 DEG C of 1-5 minutes, is heated using steam injector wherein preheating
It carries out;
c）Krill fragment after preheating is subjected to thermophilic digestion, time 1-3 minute, until krill fragment exists under steam pressure
Under 97-105 DEG C of effect, krill forms part nonfatty solid and liquid;
d）Isolated liquid and partially skimmed solid from the krill after above-mentioned high-temperature process;
e）The solids of crimping section degreasing is to obtain the stamped fluid and solid of residual solids particle;
f）From step e）Residual solid particle is detached in the stamped fluid of middle acquisition to obtain the solid particle of substantially noresidue
Stamped fluid;
g）Water is added into the stamped fluid of the solid particle of substantially noresidue, mixture is adjusted to pH4-6 with dilute HCl solution,
The isolated water phase of pickling and oil phase retain oil phase, obtain comprising water, protein, astaxanthin, EPA, DHA and rich in phosphatide
The lotion of krill oil；
h）The water in lotion is removed, to obtain the krill oil rich in phosphatide, wherein being combined with astaxanthin comprising EPA and DHA.
2. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：Step b）In, institute
State the length for the krill minced or a diameter of 1-20mm.
3. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：The direct steam
The application that syringe passes through several nozzles.
4. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：Wherein step d）With
f）In separation carried out using decanter, wherein the torque of decanter be 1-100kNm, and wherein decanter have 100-
The speed of 1000rpm.
5. the method according to claim 4 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：The wherein described decantation
Device is two-phase decanter or three-phase decanter.
6. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：Wherein step e）In
The solids feeding screw extruder of the partially skimmed is carried out squeezing extruding by being pressed through for the solids of partially skimmed, is protected
The temperature for holding partially skimmed solids is 50-125 DEG C.
7. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：Wherein step g）
In, it is added water into the stamped fluid of the solid particle of substantially noresidue, the volume ratio of stamped fluid and water is 1:10.
8. the method according to claim 1 for preparing floride-free krill oil, it is characterised in that：With HCl adjust mixture to
pH4.6。
9. the method for preparing low arsenic free-floride antarctic krill oil according to any one of claim 1,7 and 8, feature exist
In：Wherein step g）In triplicate.
10. the method according to claim 1 for preparing low arsenic free-floride antarctic krill oil, it is characterised in that：Wherein step h）
In water removed by evaporating, wherein the evaporation is carried out using the vacuum pressure of about 10-80 mPa, the krill oil after water removal
Water content is less than 8%.
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| CN201810267685.4A CN108373943A (en) | 2018-03-29 | 2018-03-29 | A method of preparing low arsenic free-floride krill oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397150A (en) * | 2021-06-23 | 2021-09-17 | 佛山市海天(高明)调味食品有限公司 | Fermentation method of soy sauce |
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| CN101690538A (en) * | 2009-09-24 | 2010-04-07 | 中国海洋大学 | Method for preparing low-fluorine Euphausia superba protein base materials |
| CN104171771A (en) * | 2014-07-04 | 2014-12-03 | 颜贤鹏 | Processing method of sargassum fusiforme oral liquid |
| CN107105692A (en) * | 2014-11-14 | 2017-08-29 | 塞拉斯有限责任公司 | No-solvent process rich in the krill oil of phosphatide and the krill oil of neutral lipid is obtained using melting and method of evaporating |
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2018
- 2018-03-29 CN CN201810267685.4A patent/CN108373943A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690538A (en) * | 2009-09-24 | 2010-04-07 | 中国海洋大学 | Method for preparing low-fluorine Euphausia superba protein base materials |
| CN104171771A (en) * | 2014-07-04 | 2014-12-03 | 颜贤鹏 | Processing method of sargassum fusiforme oral liquid |
| CN107105692A (en) * | 2014-11-14 | 2017-08-29 | 塞拉斯有限责任公司 | No-solvent process rich in the krill oil of phosphatide and the krill oil of neutral lipid is obtained using melting and method of evaporating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113397150A (en) * | 2021-06-23 | 2021-09-17 | 佛山市海天(高明)调味食品有限公司 | Fermentation method of soy sauce |
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