CN107474942A - A kind of processing method of high oryzanol rice bran oil - Google Patents
A kind of processing method of high oryzanol rice bran oil Download PDFInfo
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- CN107474942A CN107474942A CN201710913245.7A CN201710913245A CN107474942A CN 107474942 A CN107474942 A CN 107474942A CN 201710913245 A CN201710913245 A CN 201710913245A CN 107474942 A CN107474942 A CN 107474942A
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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
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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
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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Abstract
The invention discloses a kind of processing method of high oryzanol rice bran oil, rice bran oil is made afterwards in the series of processes such as rice bran is through cleaning, cleaning, drying, milling, expanding treatment, extraction, aquation degumming, vacuum dehydration, freezing dewaxing, decolouring, depickling, utilize the vapor required for vacuum dehydration supply rice bran expansion processing, vapor is set to recycle, the loss of the energy is reduced, and to the active component in rice bran（Oryzanol）Certain protective effect is served, reduces cost, the loss of the energy is reduced using physical deacidification; deacidification effect is improved, is extracted with microwave radiation technology, accelerates the leaching rate of rice bran; and improve the oil yield of rice bran; production efficiency is improved, the color and luster and acid-base value of rice bran oil can be effectively ensured in the present invention, and reduces energy loss; reduce cost; the oil yield of rice bran is improved, improves the quality of rice bran oil, improves production efficiency.
Description
Technical field
The present invention relates to a kind of processing method of edible oil, specifically a kind of processing method of high oryzanol rice bran oil.
Background technology
Rice bran oil is as origin of heat and nutrient and healthcare products, by the common concern of world many countries, what it had
Smell fragrant, high temperature resistant frying, persistently store the advantages that being generated with almost unharmful substance, are that other edible oil kinds hardly match
's.The chemical constitution composition of rice bran oil is extremely unique, meets very much human diet aliphatic acid proposed standard, saturated fat in its aliphatic acid
Fat acid accounts for 20%, and unrighted acid accounts for 80%, and the oleic acid in unsaturated acids accounts for 38%, and linoleic acid accounts for 40%, and it is typical
Oleic acid-linoleic acid type grease.Linoleic acid can reduce cholesterol deposition excessive on vascular wall, can prevention of arterial atherosis,
Meanwhile tens kinds of vitamin E, squalene, surfactant fatty acid enzyme, oryzanol, the phytosterol etc. contained in rice bran oil is natural raw
Active component is managed, has great role to regulation function of human body, improvement metabolic function.
But the rice bran oil processing method oil yield used on the market is not high, some nutriments in rice bran are easily broken
It is bad, mass energy is consumed, increases cost, waste of resource, and production efficiency is relatively low.
The content of the invention
It is an object of the invention to provide a kind of processing method of high oryzanol rice bran oil, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of processing method of high oryzanol rice bran oil, its specific procedure of processing are as follows：
（1）Feedstock treating：By screen and magnetic separation method remove rice bran in crack rice, straw rope, straw, gunnysack, braiding
The rice bran to clean, is then put into rice bran cleaning equipment and is cleaned by the debris such as bag fragment, irony, stone sand, rice bran cleaning
Drying chamber is put it into after clean to be dried, and rice bran is poured into grinding equipment milled afterwards；
（2）Expanding treatment：The satisfactory rice bran of the fineness milled is imported inside bulking machine, then to spray inside bulking machine
Enter appropriate steam, and during bulking machine works, import rice bran to bulking machine the inside and want continuous-stable, it is impossible to material occur
The situation of cutout；
（3）Extraction：Rice bran after the good stabilisation of expanding treatment is poured into double solvents and extracted, while uses microwave radiation technology
Extraction, afterwards by filtering, rotary evaporation obtains Rice bran crude oil；
（4）Aquation degumming：To step（3）In obtained Rice bran crude oil heated, be heated to Rice bran crude oil oil temperature and reach 38-42
DEG C, then to the phosphoric acid that addition mass fraction is 84-86% inside Rice bran crude oil, it is stirred afterwards, phosphoric acid and rice bran
Crude oil adjusts heating apparatus temperature to 68-72 DEG C after being sufficiently mixed, while the soft water to addition inside Rice bran crude oil with equitemperature
Carry out aquation；
（5）Dehydration：Water-oil separating is carried out to it after Rice bran crude oil aquation is complete, sloughs the water in Rice bran crude oil, and Rice bran crude oil
Dehydration will be carried out under vacuum conditions, avoid dehydration temperaturre is too high from causing Rice bran crude oil oil colours to be deepened, and ensure vacuum dehydration
In more than 0.08mpa, dehydration temperaturre is 88-92 DEG C, while vapor caused by vacuum dehydration is imported in bulking machine vacuum
Face, oil temperature will be cooled to less than 70 DEG C by Rice bran crude oil under vacuum conditions after the completion of dehydration；
（6）Freezing dewaxing：By the rice bran oil after vacuum dehydration, squeeze into inside crystallizing tank and cooled down, while in crystallizing tank
Rice bran oil is stirred, and speed of agitator is maintained at 50r/min, makes rice bran oil oil temperature within 23-25 hours by 70 DEG C of uniform drops
As little as 25 DEG C, then proceed to keep above-mentioned rotating speed to be stirred, and keep 25 DEG C of oil temperature constant, carry out growing the grain, growing the grain terminates
Afterwards, filtered with leaf-type filter precoated diatomite, in filter process rice bran oil oil temperature be maintained at 25 DEG C it is constant；
（7）Decolourize：Dewaxing rice bran oil is heated, oil temperature is heated to being conducted into the progress of vacuum decoloration tower at 105-115 DEG C
Vacuum decoloration, the vacuum of vacuum decoloration are maintained at more than 0.085mpa, then to addition atlapulgite inside dewaxing rice bran oil
Decolorising agent, and inside activated decoloration agent add equivalent weight activated carbon, improve decolorizing effect, improve decolouring oil product
Matter；
（8）Material resources depickling：The rice bran oil that vacuum decoloration is completed imports packed-type deacidification tower and carries out physical deacidification, the technique of depickling
Parameter is：More than system residual voltage 100pa, 240-250 DEG C of inlet temperature of stabilizer, tower exit temperature >=230 DEG C, rice bran oil carry out physical deacidification
Afterwards, acid number is down to 1-3mg/g, and Y35, R3 is substantially reduced to by Y70, R10 after decolourizing in color and luster；
（9）Into oil：Rice bran oil after the completion of physical deacidification collects to obtain high oryzanol rice bran oil.
As the further scheme of the present invention：The step（1）The content of impurity is less than in raw material after middle raw material is treated
The 1-3% of rice bran total content.
As the further scheme of the present invention：The step（2）Temperature during middle expanding treatment inside bulking machine is maintained at
130-135 DEG C, the pressure of expanding treatment is maintained at 15-16MPa, and the time of expanding treatment is the 18-22 seconds.
As the further scheme of the present invention：The step（3）Middle microwave temperature is 55-65 DEG C, microwave power 550-
600W, microwave radiation technology extraction processing time is 90-120s.
As the further scheme of the present invention：The step（3）In double solvents be by isopropanol and No. six solvent groups
Into.
As the further scheme of the present invention：The step（4）The addition of middle phosphoric acid accounts for the 0.11- of Rice bran crude oil total amount
0.13%。
As the further scheme of the present invention：The step（4）Middle soft water addition accounts for the 7-9% of Rice bran crude oil total amount.
As the further scheme of the present invention：The step（6）Middle rearing crystal time is more than 48 hours.
As further scheme of the invention：The step（7）The weight of middle activated decoloration agent accounts for the 4- of oil weight
6%。
Compared with prior art, the beneficial effects of the invention are as follows：Rice bran is through cleaning, cleaning, drying, milling, expanding treatment,
Rice bran oil is made after the series of processes such as extraction, aquation degumming, vacuum dehydration, freezing dewaxing, decolouring, depickling, utilizes vacuum
Vapor required for dehydration supply rice bran expansion processing, enables vapor to recycle, reduces the loss of the energy, and right
Active component in rice bran（Oryzanol）Certain protective effect is served, reduces cost, energy is reduced using physical deacidification
The loss in source, improves deacidification effect, is extracted with microwave radiation technology, accelerates the leaching rate of rice bran, and improves rice bran
Oil yield, production efficiency is improved, the color and luster and acid-base value of rice bran oil can be effectively ensured in the present invention, protect the nutrients in rice bran
Matter is not destroyed, and reduces energy loss, is reduced cost, is improved the oil yield of rice bran, improves the quality of rice bran oil, improves production
Efficiency.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of processing method of high oryzanol rice bran oil, its specific procedure of processing are as follows：
（1）Feedstock treating：By screen and magnetic separation method remove rice bran in crack rice, straw rope, straw, gunnysack, braiding
Bag fragment, irony, the debris such as stone sand, until the content of impurity is less than the 1% of rice bran total content in rice bran, then it will clean
Rice bran is put into rice bran cleaning equipment and cleaned, and rice bran puts it into drying chamber after cleaning up and dried, and afterwards will
Rice bran is poured into grinding equipment and milled；
（2）Expanding treatment：The satisfactory rice bran of the fineness milled is imported inside bulking machine, then to spray inside bulking machine
Enter appropriate steam, temperature during expanding treatment inside bulking machine is maintained at 130 DEG C, and the pressure of expanding treatment is maintained at 15MPa, swollen
The time for changing processing is 18 seconds, and during bulking machine works, imports rice bran to bulking machine the inside and want continuous-stable, it is impossible to
There is the situation of material cut-off, to ensure the operating pressure in bulking machine press chamber；
（3）Extraction：Rice bran after the good stabilisation of expanding treatment is poured into double solvents and extracted, while uses microwave radiation technology
Extraction, microwave temperature are 55 DEG C, microwave power 550W, and microwave radiation technology extraction processing time is 90s, afterwards by filtering, rotation
Turn evaporation and obtain Rice bran crude oil, the double solvents is made up of isopropanol and No. six solvents；
（4）Aquation degumming：To step（3）In obtained Rice bran crude oil heated, be heated to Rice bran crude oil oil temperature and reach 38 DEG C,
Then the 0.11% of Rice bran crude oil total amount is accounted for the phosphoric acid that addition mass fraction is 84% inside Rice bran crude oil, the addition of phosphoric acid,
It is stirred afterwards, phosphoric acid and Rice bran crude oil adjust heating apparatus temperature to 68 DEG C after being sufficiently mixed, while to rice bran hair
Oily the inside adds the soft water progress aquation with equitemperature, and soft water addition accounts for the 7% of Rice bran crude oil total amount；
（5）Dehydration：Water-oil separating is carried out to it after Rice bran crude oil aquation is complete, sloughs the water in Rice bran crude oil, and Rice bran crude oil
Dehydration will be carried out under vacuum conditions, avoid dehydration temperaturre is too high from causing Rice bran crude oil oil colours to be deepened, and ensure vacuum dehydration
In more than 0.08mpa, dehydration temperaturre is 88 DEG C, while vapor caused by vacuum dehydration is imported inside bulking machine vacuum,
Oil temperature will be cooled to less than 70 DEG C by Rice bran crude oil under vacuum conditions after the completion of dehydration；
（6）Freezing dewaxing：By the rice bran oil after vacuum dehydration, squeeze into inside crystallizing tank and cooled down, while in crystallizing tank
Rice bran oil is stirred, and speed of agitator is maintained at 50r/min, rice bran oil oil temperature was uniformly reduced to by 70 DEG C in 23 hours
25 DEG C, then proceed to keep above-mentioned rotating speed to be stirred, and keep 25 DEG C of oil temperature constant, carry out growing the grain, rearing crystal time is 48
More than hour, after growing the grain terminates, filtered with leaf-type filter precoated diatomite, rice bran oil oil temperature is maintained in filter process
25 DEG C constant；
（7）Decolourize：Dewaxing rice bran oil is heated, oil temperature is heated to being conducted into vacuum decoloration tower progress vacuum at 105 DEG C
Decolourize, the vacuum of vacuum decoloration is maintained at more than 0.085mpa, then accounts for the 4% of oily weight to adding inside dewaxing rice bran oil
Activated decoloration agent, and the activated carbon of equivalent weight is added inside activated decoloration agent, decolorizing effect is improved, is improved de-
Color oil quality；
（8）Material resources depickling：The rice bran oil that vacuum decoloration is completed imports packed-type deacidification tower and carries out physical deacidification, the technique of depickling
Parameter is：More than system residual voltage 100pa, 240 DEG C of inlet temperature of stabilizer, tower exit temperature >=230 DEG C, after rice bran oil carries out physical deacidification,
Acid number is down to 1mg/g, and Y35, R3 is substantially reduced to by Y70, R10 after decolourizing in color and luster；
（9）Into oil：Rice bran oil after the completion of physical deacidification collects to obtain high oryzanol rice bran oil.
Embodiment 2
A kind of processing method of high oryzanol rice bran oil, its specific procedure of processing are as follows：
（1）Feedstock treating：By screen and magnetic separation method remove rice bran in crack rice, straw rope, straw, gunnysack, braiding
Bag fragment, irony, the debris such as stone sand, until the content of impurity is less than the 2% of rice bran total content in rice bran, then it will clean
Rice bran is put into rice bran cleaning equipment and cleaned, and rice bran puts it into drying chamber after cleaning up and dried, and afterwards will
Rice bran is poured into grinding equipment and milled；
（2）Expanding treatment：The satisfactory rice bran of the fineness milled is imported inside bulking machine, then to spray inside bulking machine
Enter appropriate steam, temperature during expanding treatment inside bulking machine is maintained at 133 DEG C, and the pressure of expanding treatment is maintained at 15MPa, swollen
The time for changing processing is 20 seconds, and during bulking machine works, imports rice bran to bulking machine the inside and want continuous-stable, it is impossible to
There is the situation of material cut-off, to ensure the operating pressure in bulking machine press chamber；
（3）Extraction：Rice bran after the good stabilisation of expanding treatment is poured into double solvents and extracted, while uses microwave radiation technology
Extraction, microwave temperature are 60 DEG C, microwave power 575W, and microwave radiation technology extraction processing time is 105s, afterwards by filtering, rotation
Turn evaporation and obtain Rice bran crude oil, the double solvents is made up of isopropanol and No. six solvents；
（4）Aquation degumming：To step（3）In obtained Rice bran crude oil heated, be heated to Rice bran crude oil oil temperature and reach 40 DEG C,
Then the 0.12% of Rice bran crude oil total amount is accounted for the phosphoric acid that addition mass fraction is 85% inside Rice bran crude oil, the addition of phosphoric acid,
It is stirred afterwards, phosphoric acid and Rice bran crude oil adjust heating apparatus temperature to 70 DEG C after being sufficiently mixed, while to rice bran hair
Oily the inside adds the soft water progress aquation with equitemperature, and soft water addition accounts for the 8% of Rice bran crude oil total amount；
（5）Dehydration：Water-oil separating is carried out to it after Rice bran crude oil aquation is complete, sloughs the water in Rice bran crude oil, and Rice bran crude oil
Dehydration will be carried out under vacuum conditions, avoid dehydration temperaturre is too high from causing Rice bran crude oil oil colours to be deepened, and ensure vacuum dehydration
In more than 0.08mpa, dehydration temperaturre is 90 DEG C, while vapor caused by vacuum dehydration is imported inside bulking machine vacuum,
Oil temperature will be cooled to less than 70 DEG C by Rice bran crude oil under vacuum conditions after the completion of dehydration；
（6）Freezing dewaxing：By the rice bran oil after vacuum dehydration, squeeze into inside crystallizing tank and cooled down, while in crystallizing tank
Rice bran oil is stirred, and speed of agitator is maintained at 50r/min, rice bran oil oil temperature was uniformly reduced to by 70 DEG C in 24 hours
25 DEG C, then proceed to keep above-mentioned rotating speed to be stirred, and keep 25 DEG C of oil temperature constant, carry out growing the grain, rearing crystal time is 48
More than hour, after growing the grain terminates, filtered with leaf-type filter precoated diatomite, rice bran oil oil temperature is maintained in filter process
25 DEG C constant；
（7）Decolourize：Dewaxing rice bran oil is heated, oil temperature is heated to being conducted into vacuum decoloration tower progress vacuum at 110 DEG C
Decolourize, the vacuum of vacuum decoloration is maintained at more than 0.085mpa, then accounts for the 5% of oily weight to adding inside dewaxing rice bran oil
Activated decoloration agent, and the activated carbon of equivalent weight is added inside activated decoloration agent, decolorizing effect is improved, is improved de-
Color oil quality；
（8）Material resources depickling：The rice bran oil that vacuum decoloration is completed imports packed-type deacidification tower and carries out physical deacidification, the technique of depickling
Parameter is：More than system residual voltage 100pa, 245 DEG C of inlet temperature of stabilizer, tower exit temperature >=230 DEG C, after rice bran oil carries out physical deacidification,
Acid number is down to 2mg/g, and Y35, R3 is substantially reduced to by Y70, R10 after decolourizing in color and luster；
（9）Into oil：Rice bran oil after the completion of physical deacidification collects to obtain high oryzanol rice bran oil.
Embodiment 3
A kind of processing method of high oryzanol rice bran oil, its specific procedure of processing are as follows：
（1）Feedstock treating：By screen and magnetic separation method remove rice bran in crack rice, straw rope, straw, gunnysack, braiding
Bag fragment, irony, the debris such as stone sand, until the content of impurity is less than the 3% of rice bran total content in rice bran, then it will clean
Rice bran is put into rice bran cleaning equipment and cleaned, and rice bran puts it into drying chamber after cleaning up and dried, and afterwards will
Rice bran is poured into grinding equipment and milled；
（2）Expanding treatment：The satisfactory rice bran of the fineness milled is imported inside bulking machine, then to spray inside bulking machine
Enter appropriate steam, temperature during expanding treatment inside bulking machine is maintained at 135 DEG C, and the pressure of expanding treatment is maintained at 16MPa, swollen
The time for changing processing is 22 seconds, and during bulking machine works, imports rice bran to bulking machine the inside and want continuous-stable, it is impossible to
There is the situation of material cut-off, to ensure the operating pressure in bulking machine press chamber；
（3）Extraction：Rice bran after the good stabilisation of expanding treatment is poured into double solvents and extracted, while uses microwave radiation technology
Extraction, microwave temperature are 65 DEG C, microwave power 600W, and microwave radiation technology extraction processing time is 120s, afterwards by filtering, rotation
Turn evaporation and obtain Rice bran crude oil, the double solvents is made up of isopropanol and No. six solvents；
（4）Aquation degumming：To step（3）In obtained Rice bran crude oil heated, be heated to Rice bran crude oil oil temperature and reach 42 DEG C,
Then the 0.13% of Rice bran crude oil total amount is accounted for the phosphoric acid that addition mass fraction is 86% inside Rice bran crude oil, the addition of phosphoric acid,
It is stirred afterwards, phosphoric acid and Rice bran crude oil adjust heating apparatus temperature to 72 DEG C after being sufficiently mixed, while to rice bran hair
Oily the inside adds the soft water progress aquation with equitemperature, and soft water addition accounts for the 9% of Rice bran crude oil total amount；
（5）Dehydration：Water-oil separating is carried out to it after Rice bran crude oil aquation is complete, sloughs the water in Rice bran crude oil, and Rice bran crude oil
Dehydration will be carried out under vacuum conditions, avoid dehydration temperaturre is too high from causing Rice bran crude oil oil colours to be deepened, and ensure vacuum dehydration
In more than 0.08mpa, dehydration temperaturre is 92 DEG C, while vapor caused by vacuum dehydration is imported inside bulking machine vacuum,
Oil temperature will be cooled to less than 70 DEG C by Rice bran crude oil under vacuum conditions after the completion of dehydration；
（6）Freezing dewaxing：By the rice bran oil after vacuum dehydration, squeeze into inside crystallizing tank and cooled down, while in crystallizing tank
Rice bran oil is stirred, and speed of agitator is maintained at 50r/min, rice bran oil oil temperature was uniformly reduced to by 70 DEG C in 25 hours
25 DEG C, then proceed to keep above-mentioned rotating speed to be stirred, and keep 25 DEG C of oil temperature constant, carry out growing the grain, rearing crystal time is 48
More than hour, after growing the grain terminates, filtered with leaf-type filter precoated diatomite, rice bran oil oil temperature is maintained in filter process
25 DEG C constant；
（7）Decolourize：Dewaxing rice bran oil is heated, oil temperature is heated to being conducted into vacuum decoloration tower progress vacuum at 115 DEG C
Decolourize, the vacuum of vacuum decoloration is maintained at more than 0.085mpa, then accounts for the 6% of oily weight to adding inside dewaxing rice bran oil
Activated decoloration agent, and the activated carbon of equivalent weight is added inside activated decoloration agent, decolorizing effect is improved, is improved de-
Color oil quality；
（8）Material resources depickling：The rice bran oil that vacuum decoloration is completed imports packed-type deacidification tower and carries out physical deacidification, the technique of depickling
Parameter is：More than system residual voltage 100pa, 250 DEG C of inlet temperature of stabilizer, tower exit temperature >=230 DEG C, after rice bran oil carries out physical deacidification,
Acid number is down to 3mg/g, and Y35, R3 is substantially reduced to by Y70, R10 after decolourizing in color and luster；
（9）Into oil：Rice bran oil after the completion of physical deacidification collects to obtain high oryzanol rice bran oil.
The present invention operation principle be：Rice bran is through cleaning, cleaning, drying, milling, expanding treatment, extraction, aquation degumming,
Rice bran oil is made after the series of processes such as vacuum dehydration, freezing dewaxing, decolouring, depickling, it is swollen to supply rice bran using vacuum dehydration
Change the vapor required for processing, vapor is recycled, reduce the loss of the energy, and to the activity in rice bran into
Point（Oryzanol）Certain protective effect is served, reduces cost, the loss of the energy is reduced using physical deacidification, is improved
Deacidification effect, extracted with microwave radiation technology, accelerate the leaching rate of rice bran, and improve the oil yield of rice bran, improve life
Efficiency is produced, the present invention can be effectively ensured the color and luster and acid-base value of rice bran oil, protect the nutriment in rice bran not to be destroyed, and drop
Low energy is lost, and reduces cost, improves the oil yield of rice bran, improves the quality of rice bran oil, improves production efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (9)
1. a kind of processing method of high oryzanol rice bran oil, it is characterised in that its specific procedure of processing is as follows：
（1）Feedstock treating：By screen and magnetic separation method remove rice bran in crack rice, straw rope, straw, gunnysack, braiding
The rice bran to clean, is then put into rice bran cleaning equipment and is cleaned by the debris such as bag fragment, irony, stone sand, rice bran cleaning
Drying chamber is put it into after clean to be dried, and rice bran is poured into grinding equipment milled afterwards；
（2）Expanding treatment：The satisfactory rice bran of the fineness milled is imported inside bulking machine, then to spray inside bulking machine
Enter appropriate steam, and during bulking machine works, import rice bran to bulking machine the inside and want continuous-stable, it is impossible to material occur
The situation of cutout；
（3）Extraction：Rice bran after the good stabilisation of expanding treatment is poured into double solvents and extracted, while uses microwave radiation technology
Extraction, afterwards by filtering, rotary evaporation obtains Rice bran crude oil；
（4）Aquation degumming：To step（3）In obtained Rice bran crude oil heated, be heated to Rice bran crude oil oil temperature and reach 38-42
DEG C, then to the phosphoric acid that addition mass fraction is 84-86% inside Rice bran crude oil, it is stirred afterwards, phosphoric acid and rice bran
Crude oil adjusts heating apparatus temperature to 68-72 DEG C after being sufficiently mixed, while the soft water to addition inside Rice bran crude oil with equitemperature
Carry out aquation；
（5）Dehydration：Water-oil separating is carried out to it after Rice bran crude oil aquation is complete, sloughs the water in Rice bran crude oil, and Rice bran crude oil
Dehydration will be carried out under vacuum conditions, avoid dehydration temperaturre is too high from causing Rice bran crude oil oil colours to be deepened, and ensure vacuum dehydration
In more than 0.08mpa, dehydration temperaturre is 88-92 DEG C, while vapor caused by vacuum dehydration is imported in bulking machine vacuum
Face, oil temperature will be cooled to less than 70 DEG C by Rice bran crude oil under vacuum conditions after the completion of dehydration；
（6）Freezing dewaxing：By the rice bran oil after vacuum dehydration, squeeze into inside crystallizing tank and cooled down, while in crystallizing tank
Rice bran oil is stirred, and speed of agitator is maintained at 50r/min, makes rice bran oil oil temperature within 23-25 hours by 70 DEG C of uniform drops
As little as 25 DEG C, then proceed to keep above-mentioned rotating speed to be stirred, and keep 25 DEG C of oil temperature constant, carry out growing the grain, growing the grain terminates
Afterwards, filtered with leaf-type filter precoated diatomite, in filter process rice bran oil oil temperature be maintained at 25 DEG C it is constant；
（7）Decolourize：Dewaxing rice bran oil is heated, oil temperature is heated to being conducted into the progress of vacuum decoloration tower at 105-115 DEG C
Vacuum decoloration, the vacuum of vacuum decoloration are maintained at more than 0.085mpa, then to addition atlapulgite inside dewaxing rice bran oil
Decolorising agent, and inside activated decoloration agent add equivalent weight activated carbon, improve decolorizing effect, improve decolouring oil product
Matter；
（8）Material resources depickling：The rice bran oil that vacuum decoloration is completed imports packed-type deacidification tower and carries out physical deacidification, the technique of depickling
Parameter is：More than system residual voltage 100pa, 240-250 DEG C of inlet temperature of stabilizer, tower exit temperature >=230 DEG C, rice bran oil carry out physical deacidification
Afterwards, acid number is down to 1-3mg/g, and Y35, R3 is substantially reduced to by Y70, R10 after decolourizing in color and luster；
（9）Into oil：Rice bran oil after the completion of physical deacidification collects to obtain high oryzanol rice bran oil.
A kind of 2. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（1）
The content of impurity is less than the 1-3% of rice bran total content in raw material after middle raw material is treated.
A kind of 3. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（2）
Temperature during middle expanding treatment inside bulking machine is maintained at 130-135 DEG C, and the pressure of expanding treatment is maintained at 15-16MPa, expanded
The time of processing is the 18-22 seconds.
A kind of 4. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（3）
Middle microwave temperature is 55-65 DEG C, microwave power 550-600W, and microwave radiation technology extraction processing time is 90-120s.
A kind of 5. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（3）
In double solvents be made up of isopropanol and No. six solvents.
A kind of 6. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（4）
The addition of middle phosphoric acid accounts for the 0.11-0.13% of Rice bran crude oil total amount.
A kind of 7. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（4）
Middle soft water addition accounts for the 7-9% of Rice bran crude oil total amount.
A kind of 8. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（6）
Middle rearing crystal time is more than 48 hours.
A kind of 9. processing method of high oryzanol rice bran oil according to claim 1, it is characterised in that the step（7）
The weight of middle activated decoloration agent accounts for the 4-6% of oil weight.
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