CN106701306A - Soybean oil raw stock cold-pressing 4C technological method - Google Patents
Soybean oil raw stock cold-pressing 4C technological method Download PDFInfo
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- CN106701306A CN106701306A CN201710137724.4A CN201710137724A CN106701306A CN 106701306 A CN106701306 A CN 106701306A CN 201710137724 A CN201710137724 A CN 201710137724A CN 106701306 A CN106701306 A CN 106701306A
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Classifications
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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
- C11B1/04—Pretreatment of vegetable raw material
-
- 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
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—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
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Microbiology (AREA)
- Beans For Foods Or Fodder (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a soybean oil raw stock cold-pressing 4C technological method, and belongs to the field of vegetable oil and processing thereof. A technology is improved on the basis of a cold-pressing technology, and the technology comprises the following steps of soybean cleaning and selecting, softening and transporting, cold crushing, cold squeezing, cold impurity removing, cooling, cold filling and the like. A whole soybean oil cold-pressing process is kept in a low-temperature state, the original taste of raw stock is ensured, the soybean fragrance is strong, and the soybean flavor is mellow; compared with soybean oil produced in a traditional cold-pressing and extracting technology, the contents of vitamin E, phospholipid and sterol in the soybean oil are higher, and the content of a harmful cancerogenic substance-benzopyrene is the lowest. According to the soybean oil raw stock cold-pressing 4C technological method disclosed by the invention, oil is produced through a physical decomposition technology, a 4C technology of cold crushing, cold pressing, cold filtering and cold filling is adopted, natural nutrients of grease in soybeans are completely remained, and a new technology is suitable for producing first good oil through cold pressing by completely damaging soybean cell tissues, reducing a binding force between the grease and the surface of oil particles, gathering first mellow grease and regulating the elasticity and the plasticity of soybean particles.
Description
Technical field
The invention belongs to vegetable oil and its manufacture field, specific one kind is related to soybean oil magma cold press 4C processes.
Background technology
Soybean oil squeezing process is divided into hot moulding technique and cold pressing process, and hot moulding raw materials technology need to be through high-temperature process, temperature one
As at 100~145 DEG C, could be eaten after the crude oil color squeezed is partially deep, acid value is raised, therefore crude oil must be refined, current city
Substantially applied chemistry method of refining on field, chemical agent is needed when acid refining, alkali refining, while high temperature oil expression makes the biology in oil plant
Active material (vitamin E, phosphatide, sterol, class Hu square-bottomed bamboo basket Bu Su etc.) loses very big in expressing process, causes the wasting of resources.
Cold pressing process is the feeding oil press squeezing in the state of not heated or low temperature before oil plant squeezing.The oil squeezed out
Temperature is relatively low, and acid value is relatively low, need not typically refine, by obtaining product oil after precipitation and filtering.Pressed oil has pure day
Right characteristic, it is to avoid the adverse effect that conventional high-temperature oil expression processing is produced.The natural flavour mountaineous of oil plant is remained in cold press product oil
And color and luster, it is complete to save physiological activator in oil, vitamin E have anti-senescence function, sterol have strong skin effect and
Enhancing human metabolism function.
The content of the invention
The object of the invention overcomes weak point present in general cold-squeezing on the basis of existing cold pressing process,
A kind of soybean oil magma cold press 4C processes are provided.
The present invention is achieved through the following technical solutions：
A kind of soybean oil magma cold press 4C processes, comprise the following steps：
Step 1, soybean are cleaned：Soybean by cleaner, screen out go mouldy in soybean, flat seed, remove iron in soybean, stone,
Soil；
Step 2, softening conveying：The soybean that step 1 is sieved, is uniformly poured on inflation heated transportation band, and soybean is by filling
Gas heated transportation band is transported in cryogenic pulverization machine, and the heating-up temperature for inflating heated transportation band is 45~59 DEG C, and inflation heating is defeated
The fan delivery for sending band is 600~800m3/ h, wind speed is 2~6m/s；
Step 3, cryogenic pulverization：Into the soybean of cryogenic pulverization machine, cryogenic pulverization built-in temperature is controlled at 45~59 DEG C, is broken
4000~6000rad/min of broken owner's rotating speed, crushes 5~10min of the time；
Step 4, cold pressing：Send into cold pressing oil press after the soybean cooling that will have been crushed, feeding temperature control 38~
45 DEG C, when soybean oil-yielding ratio reaches 6~8%, stop pressurization, control drop temperature at 52~59 DEG C, soya-bean cake Residual oil during discharging
Rate is controlled 15~18%；
Step 5, low temperature removing impurities：The soybean oil that cold pressing is obtained, filter plant low temperature of finely being lowered the temperature by combined type is taken off
Miscellaneous, described combined type finely lowers the temperature filter plant including 2 sack type filters and 2 sets fine filters, and filtration temperature is controlled
At 40~45 DEG C；
Step 6, cooling procedure：Soybean oil after removing impurities is by after the whole cooling of conveyance conduit, one being entered in feeding buffer tank
Step cooling, is cooled to soybean oil temperature less than 20 DEG C；
Step 7, cold-aseptic filling：The soybean oil for having cooled down is directly filling, controls filling 16~19 DEG C of temperature, obtains cold press big
Soya-bean oil, completes soybean oil magma cold press 4C techniques.
Soybean oil magma cold press 4C processes of the present invention, inflate the movement velocity of heated transportation band in step 2
It is 0.1~1m/s.Present invention inflation heated transportation band is able to uniformly heat by heater, floats and advances, and soybean heats and softens
Enter proprietary cryogenic pulverization machine afterwards.Present invention inflation heated transportation band is closed conveying equipment, the included tube still heater of equipment,
Raw material is blown using air blast to float in a device forward, uniform heating.
Soybean oil magma cold press 4C processes of the present invention, cracking soybeans are into 1/8~1/16 valve in step 3.This
Invention cryogenic pulverization machine is vibrated using the strength of vibration source, material in crushing chamber constantly hit by frotton, cut, ground, rub comprehensive with the hands
Effect with joint efforts, makes material reach crushing effect in a short time.Crushing chamber carry cooling water jecket, the temperature of adjustable water,
Flow makes material be crushed in the environment of low temperature come the temperature for controlling crushing chamber.
Soybean oil magma cold press 4C processes of the present invention, cold pressing oil press is SYZX type twin-screws in step 4
Oil press, described SYZX type twin-screw oil mill power 55KW.The present invention installs refrigeration on SYZX type twin-screw oil mills
System, without heating up, pressure up to 0.6MPa does not influence on nutrition of lipids composition for pressurization, enters to squeeze temperature less than 45 DEG C, cake
Middle Residual oil 15~18%, only takes the good oil of slubbing soybean meal slurry.
Soybean oil magma cold press 4C processes of the present invention, squeeze pressure is 0.1~0.6MPa in step 4.
Soybean oil magma cold press 4C processes of the present invention, the bag filter described in step 5 is many bags of bags
Formula filter, the number of filter bag is 4~20, and filtering accuracy is 2~5 μm.
Soybean oil magma cold press 4C processes of the present invention, the fine filter described in step 5 is microporous barrier
Filter core stainless steel is filtered, and filtering accuracy is 0.1~0.5 μm.
Soybean oil magma cold press 4C processes of the present invention, filtration temperature is installed by outside filter in step 5
Cold chuck temperature control.
Soybean oil magma cold press 4C processes of the present invention, are provided with cold chuck control outside buffer tank in step 6
Temperature.It is of the invention with traditional filling difference, the present invention is cooled down filling conveyance conduit is whole, further cold into filling buffer tank
But, filling buffer tank refers to that, for of short duration hold-up tank before filling oil, the cold chuck in tank outside is lowered the temperature, it is ensured that the oily of short duration storage after squeezing
It is directly filling after depositing, rather than filling again after traditional long-term storage, control filling 16~19 DEG C of temperature.
The present invention only extracts the slubbing grease of soybean oil, and it is former that the soybean oil extracted using magma cold press 4C techniques retains soya-bean oil
The taste of beginning, retains the magma nutrition of oil, and beans are aromatic strongly fragrant, and beans taste is mellow, compared with the soybean that traditional hot moulding and extract technology are extracted
Oil, rich in more natural VEs, natural phospholipid, natural sterols, quality is more excellent, mouthfeel most original, crude oil original flavor.
Soybean oil magma cold press 4C processes of the present invention, refer to being used in soybean oil squeezing critical process
Cryogenic pulverization (cold breaking), cold pressing (cold pressing), low temperature removing impurities (cold removing
Impurity), 4 techniques of cold-aseptic filling (cold filling), wherein " C " refers to the lead-in of " cold " in each technique
It is female.Temperature control is less than 60 DEG C in wherein 4 operations, and this temperature ensure that vitamin E, phosphatide, sterol etc. in soybean oil
Nutriment structure is not destroyed, and these heat-sensitive substance properties are not changed, and will not produce harmful substance.
Soybean oil prepared by soybean oil magma cold press 4C processes of the present invention has following advantage：Low temperature of the present invention
Disintegrating machine has cooling system, can control drop temperature after cracking soybeans, and the thermal sensitivity nutritional ingredient for retaining soybean is not broken
It is bad；By the cold pressing oil press with self-cooling system, first magma of soybean is squeezed out to come, squeeze out magma nutritional oil
Fat；Finely lower the temperature filter by combined type, impurity and harmful substance are filtered away in the magma grease that cold press is gone out, and simultaneously
Grease is further lowered the temperature；By after whole tube-cooled, further being cooled down into filling buffer tank, it is ensured that after squeezing after filtering
Oil it is directly filling, rather than filling again after traditional long-term storage, the magma grease for preventing cold press from going out occur peroxide value with
Acid value is raised, the drawback such as grease color reversion, reaches low temperature directly filling requirement；Whole cold press soybean oil process keeps low-temperature condition,
Ensure " magma " original taste, beans are aromatic strongly fragrant, and beans taste is mellow, containing in the soybean oil produced than traditional hot moulding and extract technology
Vitamin E, phosphatide, sterol content are higher, are harmful to carcinogen BaP content minimum.
Soybean oil magma cold press 4C processes difference of the present invention and traditional handicraft, all by physical decomposition skill
Art is fuel-displaced, non high temperature mechanical expression, cryogenic pulverization, low-temperature cold pressing, filter at low temperature, cold-aseptic filling 4C techniques, and soybean is fully retained
The natural nutrition of middle grease, new technology reduces the combination of grease and oil plant particle surface using thoroughly destruction soya cells tissue
Power, the dense grease of aggregation slubbing, the elasticity and plasticity of adjustment soybean particle go out the good oil of slubbing to be suitable for cold press.
Brief description of the drawings
Fig. 1 is process chart of the invention.
Specific embodiment
Specific embodiment one：
It is as follows with reference to the explanation of figure one present embodiment：
A kind of soybean oil magma cold press 4C processes, comprise the following steps：
Step 1, soybean are cleaned：Soybean by cleaner, screen out go mouldy in soybean, flat seed, remove iron in soybean, stone,
Soil；
Step 2, softening conveying：The soybean that step 1 is sieved, is uniformly poured on inflation heated transportation band, and soybean is by filling
Gas heated transportation band is transported in cryogenic pulverization machine, and the heating-up temperature for inflating heated transportation band is 45 DEG C, inflates heated transportation band
Fan delivery be 800m3/ h, wind speed is 6m/s；
Step 3, cryogenic pulverization：Into the soybean of cryogenic pulverization machine, cryogenic pulverization built-in temperature is controlled in 45 DEG C, disintegrating machine
Speed of mainshaft 4000rad/min, crushes time 5min；
Step 4, cold pressing：Cold pressing oil press is sent into after the soybean cooling that will have been crushed, feeding temperature is controlled at 45 DEG C,
When soybean oil-yielding ratio reaches 6%, stop pressurization, at 52 DEG C, the control of soya-bean cake residual oil content is 15% during discharging for control drop temperature；
Step 5, low temperature removing impurities：The soybean oil that cold pressing is obtained, filter plant low temperature of finely being lowered the temperature by combined type is taken off
Miscellaneous, described combined type finely lowers the temperature filter plant including 2 sack type filters and 2 sets fine filters, and filtration temperature is controlled
At 45 DEG C；
Step 6, cooling procedure：Soybean oil after removing impurities is by after the whole cooling of conveyance conduit, one being entered in feeding buffer tank
Step cooling, is cooled to soybean oil temperature less than 20 DEG C；
Step 7, cold-aseptic filling：The soybean oil for having cooled down is directly filling, controls filling 16 DEG C of temperature, obtains cold press soybean
Oil, completes soybean oil magma cold press 4C techniques.
Soybean oil magma cold press 4C processes described in present embodiment, inflate the motion of heated transportation band in step 2
Speed is 0.4m/s.
Soybean oil magma cold press 4C processes described in present embodiment, cracking soybeans are into 1/8 valve in step 3.
Soybean oil magma cold press 4C processes described in present embodiment, cold pressing oil press is double SYZX types in step 4
2 screw oil expeller, described SYZX type twin-screw oil mill power 55KW.
Soybean oil magma cold press 4C processes described in present embodiment, squeeze pressure is 0.5MPa in step 4.
Soybean oil magma cold press 4C processes described in present embodiment, the bag filter described in step 5 is many
Bag bag filter, the number of filter bag is 20, and filtering accuracy is 2 μm.
Soybean oil magma cold press 4C processes described in present embodiment, the fine filter described in step 5 is micro-
Pore membrane filter core stainless steel is filtered, and filtering accuracy is 0.5 μm.
Soybean oil magma cold press 4C processes described in present embodiment, filtration temperature is by outside filter in step 5
Cold chuck temperature control is installed.
Soybean oil magma cold press 4C processes described in present embodiment, are provided with cold folder outside buffer tank in step 6
Set temperature control.
The soybean oil prepared according to present embodiment and the soybean prepared using hot moulding, extract technology using identical soybean
The performance comparison of oil, as shown in table 1：
Soybean oil performance comparison table prepared by the different process of table 1
, it can be seen that soybean oil VE contents prepared by present embodiment are 138.5mg/100g, content of phospholipid from table 1
3.67mg/g, sterol content 465.8mg/100g, BaP content μ g/kg, soybean oil prepared by present embodiment is compared to warm
Squeeze, the beneficiating ingredient such as soybean oil VE, phosphatide, sterol prepared by extract technology is apparently higher than other two kinds of processes, BaP
Other two kinds of processes are significantly lower than etc. harmful components.
Specific embodiment two：
By a certain amount of soybean after cleaning, except impurity such as de-iron, stone, soil after, by inflation conveyer belt through heating
Device is able to uniformly heat, and floats and advances, into cryogenic pulverization machine, by cracking soybeans into 1/8 valve, drop temperature 48 after control is broken
DEG C, cold pressing oil press is entered after crushing, feeding temperature controls 41 DEG C, 57 DEG C of drop temperature, after cold press is fuel-displaced, by combined type essence
Thin cooling filter plant, whole 43 DEG C of the filtration temperature of control, cools down after filtering in conveyance conduit whole process, enters into filling buffer tank
One step is cooled down, it is ensured that the oil after squeezing is directly filling, rather than filling again after traditional storage, controls filling 16 DEG C of temperature, both
Obtain cold press soybean oil.
Specific embodiment three：
By a certain amount of soybean after cleaning, except impurity such as de-iron, stone, soil after, by inflation conveyer belt through heating
Device is able to uniformly heat, and floats and advances, into cryogenic pulverization machine, by cracking soybeans into 1/12 valve, drop temperature after control is broken
52 DEG C, cold pressing oil press is entered after crushing, feeding temperature controls 40 DEG C, 55 DEG C of drop temperature, after cold press is fuel-displaced, by combined type
Fine cooling filter plant, whole 42 DEG C of the filtration temperature of control, cools down, into filling buffer tank after filtering in conveyance conduit whole process
Further cooling, it is ensured that the oil after squeezing is directly filling, rather than filling again after traditional storage, controls filling 18 DEG C of temperature,
Both cold press soybean oil is obtained.
Specific embodiment four：
By a certain amount of soybean after cleaning, except impurity such as de-iron, stone, soil after, by inflation conveyer belt through heating
Device is able to uniformly heat, and floats and advances, into cryogenic pulverization machine, by cracking soybeans into 1/16 valve, drop temperature after control is broken
56 DEG C, cold pressing oil press is entered after crushing, feeding temperature controls 39 DEG C, 54 DEG C of drop temperature, after cold press is fuel-displaced, by combined type
Fine cooling filter plant, whole 41 DEG C of the filtration temperature of control, cools down, into filling buffer tank after filtering in conveyance conduit whole process
Further cooling, it is ensured that the oil after squeezing is directly filling, rather than filling again after traditional storage, controls filling 19 DEG C of temperature,
Both cold press soybean oil is obtained.
Claims (9)
1. a kind of soybean oil magma cold press 4C processes, it is characterised in that：Comprise the following steps：
Step 1, soybean are cleaned：Soybean by cleaner, screen out go mouldy in soybean, flat seed, remove iron, stone, the soil in soybean；
Step 2, softening conveying：The soybean that step 1 is sieved, is uniformly poured on inflation heated transportation band, and soybean is added by inflation
Hot conveyer belt is transported in cryogenic pulverization machine, and the heating-up temperature for inflating heated transportation band is 45~59 DEG C, inflates heated transportation band
Fan delivery be 600~800m3/ h, wind speed is 2~6m/s；
Step 3, cryogenic pulverization：Into the soybean of cryogenic pulverization machine, cryogenic pulverization built-in temperature is controlled in 45~59 DEG C, disintegrating machine
4000~6000rad/min of the speed of mainshaft, crushes 5~10min of the time；
Step 4, cold pressing：Cold pressing oil press is sent into after the soybean cooling that will have been crushed, feeding temperature is controlled at 38~45 DEG C,
When soybean oil-yielding ratio reaches 6~8%, stop pressurization, at 52~59 DEG C, soya-bean cake residual oil content is controlled control drop temperature during discharging
15~18%；
Step 5, low temperature removing impurities：The soybean oil that cold pressing is obtained, finely lowered the temperature by combined type filter plant low temperature removing impurities, institute
The combined type stated finely lowers the temperature filter plant including 2 sack type filters and 2 sets fine filters, and filtration temperature controls 40~
45℃；
Step 6, cooling procedure：Soybean oil after removing impurities is further cold in feeding buffer tank by after the whole cooling of conveyance conduit
But, soybean oil temperature is cooled to less than 20 DEG C；
Step 7, cold-aseptic filling：The soybean oil for having cooled down is directly filling, controls filling 16~19 DEG C of temperature, obtains cold press soybean
Oil, completes soybean oil magma cold press 4C techniques.
2. soybean oil magma cold press 4C processes according to claim 1, it is characterised in that：Heating is inflated in step 2
The movement velocity of conveyer belt is 0.1~1m/s.
3. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Soybean is broken in step 3
It is broken into 1/8~1/16 valve.
4. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Cold press is squeezed in step 4
Oil machine is SYZX type twin-screw oil mills, described SYZX type twin-screw oil mill power 55KW.
5. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Pressure is squeezed in step 4
Power is 0.1~0.6MPa.
6. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Described in step 5
Bag filter is many bags of bag filters, and the number of filter bag is 4~20, and filtering accuracy is 2~5 μm.
7. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Described in step 5
Fine filter is filtered for microporous membrane filter element stainless steel, and filtering accuracy is 0.1~0.5 μm.
8. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Temperature is filtered in step 5
Degree outside filter by installing cold chuck temperature control.
9. soybean oil magma cold press 4C processes according to claim 1 and 2, it is characterised in that：Buffer tank in step 6
Outside is provided with cold chuck temperature control.
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| CN201710137724.4A CN106701306A (en) | 2017-03-09 | 2017-03-09 | Soybean oil raw stock cold-pressing 4C technological method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054999A (en) * | 2018-09-10 | 2018-12-21 | 吉林出彩农业产品开发有限公司 | A kind of roasting flavor soybean oil and its pressing method |
| CN113308292A (en) * | 2021-06-16 | 2021-08-27 | 通辽市蒙优食品加工有限责任公司 | Cold-pressed edible vegetable oil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958761A (en) * | 2006-10-19 | 2007-05-09 | 上海邦成芝麻研究所 | Low temperature method for cold pressing sesame oil |
| EP1925217A1 (en) * | 2006-11-24 | 2008-05-28 | Emmanuel Ouranos | Unit for cold pressing the flesh of olives |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958761A (en) * | 2006-10-19 | 2007-05-09 | 上海邦成芝麻研究所 | Low temperature method for cold pressing sesame oil |
| EP1925217A1 (en) * | 2006-11-24 | 2008-05-28 | Emmanuel Ouranos | Unit for cold pressing the flesh of olives |
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| 吴群: "食品油小包装车间生产工艺应用与实践", 《粮食与食品工业》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054999A (en) * | 2018-09-10 | 2018-12-21 | 吉林出彩农业产品开发有限公司 | A kind of roasting flavor soybean oil and its pressing method |
| CN113308292A (en) * | 2021-06-16 | 2021-08-27 | 通辽市蒙优食品加工有限责任公司 | Cold-pressed edible vegetable oil and preparation method thereof |
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Application publication date: 20170524 |