CN104789349B - extra virgin camellia oil and preparation method thereof - Google Patents
extra virgin camellia oil and preparation method thereof Download PDFInfo
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- CN104789349B CN104789349B CN201510146941.0A CN201510146941A CN104789349B CN 104789349 B CN104789349 B CN 104789349B CN 201510146941 A CN201510146941 A CN 201510146941A CN 104789349 B CN104789349 B CN 104789349B
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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
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
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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
- 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
-
- 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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Abstract
The invention discloses a kind of extra virgin camellia oil and preparation method thereof, comprise the technical steps that：By tea seed natural drying or air-dry, shelling, obtain camellia seed kernel, slubbing tea seed juice is squeezed with cold pressing crusher, camellia seed kernel feeding temperature is environment temperature, and controls press chamber to be below 60 DEG C with oil temperature of squeezing out, and obtains and just squeezes camellia oil crude product, cool again through program and freeze growing the grain removal of impurities, filter to obtain extra virgin camellia oil of the present invention.This method does not add chemical reagent or chemical assistant, gained camellia oil fragrance is pure, clean taste, color, smell and taste are just right, without harmful components such as heavy metal, residues of pesticides, BaPs, zero trans-fat acid content, preferably remains the original activity nutritional ingredient of camellia oil, and quality is better than national standard one-level.
Description
Technical field
The present invention relates to a kind of xylophyta oil and preparation method thereof, especially a kind of camellia oil and preparation method thereof is special
It is not a kind of extra virgin camellia oil and preparation method thereof.
Background technology
Oil tea is the distinctive oil resource in China, external because the scarcity of resource, process and development are few.China oil tea at present
Processing be still " thick and just ", now more using being traditional processing method, small scale and backward in technique, tea seed band shell is processed
When high temperature is long, not only oily yield is low, it is oily it is of poor quality, color and luster is deep, and power consumption of polymer processing is big, and cost is high, also results in oil tea
The isostructural destruction of accessory substance such as Tea Saponin, polysaccharide, micro-nutrient composition and the forfeiture of bioactivity in seed.There are some researches show
For the storage characteristics of hair tea-seed oil better than refining tea-seed oil, this causes natural anti-oxidation in tea-seed oil mainly due to traditional refinery practice
Composition remains little, and this, which requires to process in tea-seed oil, uses relatively mild method, retains antioxidant content as far as possible, therefore existing
Technique is unfavorable for the intensive processing and comprehensive utilization of oil tea, have impact on the performance of oil tea overall efficiency.Carry out oil tea process technology
Exploitation and demonstration be to lift the horizontal objective requirement of China's camellia oleiferaindustryization.
Oil tea is commonly called as camellia, wild tea, white flower tea, is a kind of distinctive high quality food oil tannin plant of China, with oil palm, oily olive
The big woody edible oil tannin plant in olive and coconut and the referred to as world four.Its fruit is camellia oleifera fruit；The shell of camellia oleifera fruit（That is oil tea
Shell）Include tea seed（Tea seed）；Tea seed outer layer is seed shell, is tea seed kernel in seed shell（That is camellia seed kernel）；Tea seed or tea
The oil that seed benevolence is squeezed out is camellia oil.
Camellia oil has unique health-care effect, also has unique flavor, be always numerous people as high quality food oil
The people masses are favored.With the improvement of people's living standards, the demand of high-quality healthy flavor edible oil is gradually expanded, flavor tea
Oil share shared in edible oil high-end market also accordingly increases, and has good market prospects.
The flavor of tea oil comes from a variety of natural flavour mountaineous materials contained by it（Perfume compound）, the flavor substance part
Come from tea seed, a part be during oil expression as steam fry, squeezing when, formed under the appropriate temperature conditions and enter camellia oil
In.The generation and reservation of this kind of flavor substance, especially there is a much relations with pressing method, rational pressing method can just be allowed to compared with
It is formed and entered in camellia oil more, otherwise, either it is difficult to form this perfume compound, or largely it can stay in tea seed cake,
It is lost in as temperature raises, the tea seed cake is the solids after oil expression.
Current camellia oil squeezing production technology can produce and retain the natural flavour mountaineous material of some tea oil, but wherein higher
Various processing under temperature conditionss, the very big BaP of toxicity is easily produced, cause tea oil BaP content edible beyond country
Oily sanitary standard, causes edible safety problem.
BaP is most important, malicious with heredity in the serial polycyclic aromatic hydrocarbon that organic matter is formed under higher temperature conditions
Property（That is teratogenesis and genotoxicity）With the condensed-nuclei aromatics of carcinogenicity, with benzo（a）Pyrene（English abbreviation BaP）To be common.Oil tea
Seed is rich in organic substance, and in high temperature steams and fries and can produce the expressing process of high temperature, easy coking produces benzo（a）Pyrene is gone forward side by side
Enter in camellia oil.
Although by the refining process after oil expression, including the adsorption aid such as atlapulgite, activated carbon that addition is enough, can
Effectively to remove benzo（a）Pyrene, but simultaneously also easily remove a part of flavor substance；Conventional vacuum distillation was deodorized
Journey, also easily a part of flavor substance is removed, so that the peculiar flavour of tea oil（Perfume compound）Disappear or inadequate
It is strong, the requirement of consumer can not be met.
Chinese patent ZL200610031452 .1 disclose a kind of physical low-temperature cold-squeezing process for tea-seed oil, its
Processing step include the oil tea cone after collection is dried, broken shell, low tempertaure storage after-ripening, seed selection, clear up, separation of peeling off, roll embryo,
Cold press, multi-filtering, filter at low temperature, adsorption bleaching, vacuum water steaming deodorization, finished product tea oil.Process letter
Easy row, cold pressing process do not lose the fragrance of nutritional ingredient, active material and tea oil in itself in oil;Refining process is secondary
Less pollution;Obtained pressed tea seed oil, is presented the limpid appearance luster of oil colours, and tea seed is squeezed better than CB11765-2003 one-levels
Oil standard.
Chinese patent 201110087757.5 discloses a kind of camellia seed oil low-temperature cold pressing and the refining processing of binary continous way
Method, this method mainly include the processing steps such as squeezing, leaching, degumming depickling, decolouring, deodorization and winterization dewaxing;The present invention
Adsorption bleaching is carried out to oil using low temperature drying, cold pressing technology and activated carbon and atlapulgite two end number mixing decolouring technology,
The generation of the harmful substances such as BaP, carbonizing matter and carbide is avoided, improves the quality and quality of product.
Chinese patent 201110227184.1 discloses a kind of low-temperature physical cold squeezing process of tea-seed oil, mainly including tea seed
After-ripening, seed selection, cold press obtain crude oil, crude oil coarse filtration, filter at low temperature, and medium temperature dehydration and decolorization is carried out after filter at low temperature:By low temperature mistake
Tea-seed oil after filter, which is placed in dehydration barrel, to be stirred, and then adds the water of the weight of tea-seed oil 3~7%, stir in dehydration barrel without water smoke
Untill, the second dehydration barrel is entered after multi-filtering and is stirred, vapor dehydration and decolorization to moisture is 0, is beaten at 80 DEG C~100 DEG C
Open breaker, after multi-filtering finished product tea-seed oil, the present invention and use medium temperature evaporation vapor dehydration and decolorization processing, avoid
The chemical substances such as carclazyte directly contact the pollution brought with tea-seed oil, will not lose tocopheronic acid, solution MF59, sterol in tea-seed oil
Etc. nutritional ingredient, active material and distinctive delicate fragrance itself, the outward appearance color of tea-seed oil clear yellow itself is presented in gained tea-seed oil
Pool, better than GB11765-2003 one-level Squeezing Tea Oil standards.
Chinese patent 200910307817.2 causes camellia oil nutrition to be excessively lost in for prior art temperature is too high
The problems such as, there is provided a kind of high refining method for camellia oil of nutrition content, key step include：Crude oil is produced under normal temperature；Add
Warm water, then remove lower floor's impurity and water with sedimentation separation method；Sodium hydroxide solution is added, then goes to remove water with sedimentation separation method
And soap stock；Tea seed crude oil is heated to 80 DEG C~90 DEG C, adds 1~3 part of atlapulgite, under -0.1MPa~-0.095MPa, warp
Spend 15~20 minutes and be cooled to 68 DEG C~72 DEG C, then filtered with cotton；In 140~150 DEG C of temperature, vacuum 200Pa is extremely
260Pa, obtain being deodorized camellia oil after distillation；Static pressure filters after being deodorized camellia oil Slow cooling, obtains refined camellia oil.
The patent discloses these basic technology methods of current cold press camellia oil, but flow is numerous and diverse, and process conditions will
Ask high, it is necessary to consume a variety of chemical reagent or auxiliary agent, do not only exist that processing charges is high, tea oil product yield is low, be also easy to produce
The problem of security, mouthfeel, flavor, nutrient health etc..
Passed through in existing method frequently with low temperature crystallization purge process, it is also mostly excessively simple, although can substantially reach
To solidification when removing the purpose of high-melting-point saturated fat, solving the problems, such as low-temp storage or precipitation, but the control to temperature-fall period is not
Enough specific, crystallization time is very long, causes low production efficiency and higher energy consumption, also without the crystallization feelings for disclosing high-melting-point saturated fat
To the Adsorption effect of such as wax, BaP, heavy metal, the residues of pesticides etc. of harmful substance in oil in condition, and crystallization process
Problem.
The content of the invention
The purpose of the present invention is to overcome the above-mentioned deficiency of prior art and provide a kind of preparation side of extra virgin camellia oil
Method, its method flow is simple, and process conditions require low, it is not necessary to add chemical reagent or auxiliary agent.
It is a further object of the present invention to provide a kind of extra virgin camellia oil obtained by the above method, its flavor are only
The indexs such as spy, delicate fragrance, color and luster pale green, acid number, peroxide value can reach national standard, BaP, aflatoxin, a huge sum of money
The Harmful ingredient contents such as category, residues of pesticides, trans-fatty acid are extremely low.
The technical scheme is that：A kind of preparation method of extra virgin camellia oil, is comprised the technical steps that：
A. extra virgin camellia oil raw material is produced:Tea seed is taken to spread natural drying out or air-dry；Make moisture control 7~10
Quality %；Whole seed shells of tea seed are sloughed, obtain camellia seed kernel；
B. just squeeze：The obtained camellia seed kernels of step A are entered into oil press squeezing, it is environment temperature, i.e. temperature to enter seed temperature,
And control press chamber to be below 60 DEG C with oil temperature of squeezing out, obtain just squeezing camellia oil and tea seed cake；
C. freezing removal of impurities：The camellia oil that just squeezes is put into refrigerated cylinder, dropped by the Slow-rate freezing in following three stage
Temperature, carry out growing the grain removal of impurities.First stage：Speed of agitator is 50~60 r/min, is first cooled with 2.0-4.0 DEG C/h of speed
10-12 DEG C is cooled to 15-20 DEG C, then with 1.5-2.0 DEG C/h of speed；Second stage, first with 0.4-0.6 DEG C/h
Speed is cooled to 8-9 DEG C, is kept for 2 hours, and speed of agitator is 50~60 r/min, then is cooled with 0.4-0.5 DEG C/h of speed
To 5-6 DEG C, kept for 5 hours, speed of agitator is 10~20 r/min；Phase III, cooled with 0.3-0.5 DEG C/h of speed
To -1~1 DEG C, kept for 5 hours, speed of agitator is 10~20 r/min；4-6 is warming up to 0.3-0.5 DEG C/h of speed again
DEG C, kept for 6 hours, speed of agitator is 10~20 r/min；
The freezing growing the grain amounts to 40-50 hours except miscellaneous time；The crystal of precipitation has BaP, wax, colloid, moisture and bag
The harmful substances such as heavy metal therein, residues of pesticides, protein, cellulose are rolled in, are filtered to remove objectionable impurities, protein, fibre
Dimension element can serve as nucleus；
D. filter：The oil plant after growing the grain cleans will be freezed to filter, obtain the extra virgin camellia oil of the present invention；
The extra virgin camellia oil prepared through above step can also comprise the following steps：
E. preservation is handled.
Preferably, in step A, the tea seed is fresh tea seed then；
Can be according to the difference of mould seed and fresh seed color and luster, using the difference of optical characteristics, can will be different in camellia seed kernel
Coloured particles automatic sorting comes out；Magnetic suck can be used, removes iron filings or iron block that may be present in camellia seed kernel；In step A, choosing
High-quality full tea seed is taken, removes tea seed surface dirt or the harmful substance that may be polluted, obtains cleaning tea seed；
Preferably, in step A, tea seed is sorted using the method for color sorting before just squeezing, i.e., using color selector by surface colour
The undesirable camellia seed kernel in pool, which is selected, not to be had to.Using color selector, process velocity is fast, and sorting effect is good, and expense is low.
Preferably, in step D, filter plant is the flame filter press equipped with filter paper and filter cloth；
Preferably, in step E, the canned preservation of nitrogen charging immediately of extra virgin camellia oil or packaging after filtering, nitrogen charging pressure
For 0.05~0.1MPa, nitrogen gas purity is more than or equal to 99.9%.The nitrogen charging canned shelf-life for extending camellia oil, cost are relatively low.
Preferably, before the Slow-rate freezing cooling in step C, just squeeze in camellia oil crude product, added by step B institutes to described
The 60-200 mesh fine powders that tea seed cake is worn into are obtained, nucleus is served as in refrigeration crystallization process, tea seed cake fine powder addition just squeezes mountain with described
The mass ratio of tea oil crude product is（0.05-2）：100, preferably（0.5-2）：100, to improve freezing and crystallizing clean-up effect.
The present invention principle and compared with prior art the characteristics of it is as follows：
1. the method for the present invention, by choosing organic Wild Camellia oleifera Abel base fresh mature camellia oleifera fruit then, spread nature out and dry in the air
After shining or air-drying, shell is peeled off, obtains tea seed；Tea seed natural drying or air-dried in 30 days, make moisture control 7~
10% mass；High-quality full tea seed is chosen, tea seed surface dirt or the harmful substance that may be polluted is removed, obtains cleansing oil
Tea seed；Whole seed shells of tea seed are sloughed, obtain camellia seed kernel；Quality defect or rotten camellia seed kernel are sorted out and not had to again,
Only retain the excellent camellia seed kernel of quality, without camellia seed kernel that is second-rate or rotting, strictly control camellia seed kernel
The quality level of raw material, the harmful components such as aflatoxins brought into from the raw material that rots can be avoided substantially.
2. before camellia seed kernel oil expression, do not handled by high temperature parch, camellia seed kernel feeding temperature is environment during oil expression
Temperature, i.e. temperature, and control press chamber to be below 60 DEG C with oil temperature of squeezing out, preferably cold pressing squeezing condition is realized, was being extracted oil
Substantially the harmful components formed by high temperature such as BaP is not produced in journey.
3. in freezing and crystallizing purification process, program temperature-fall period is specifically reasonable, not only fills high-melting-point saturated fat, wax
Divide crystallization, more harmful components such as colloid, protein, cellulose, moisture, a huge sum of money have also been adsorbed during growing the grain is crystallized
Category, residues of pesticides, BaP, peculiar smell etc., the oil plant after Freeze crystallization are also easier to filter, and the camellia oil product filtered out is clear
Clear, color is yellowish green, and fragrance is light, free from extraneous odour.
4. the method flow of the present invention is simple, technique, appointed condition require low, and cost is relatively low.
5. the camellia oil obtained by the method for the present invention, can when edible containing abundant perfume compound, people in it
Light tea perfume is experienced, is whetted the appetite, while its interior harmful substance such as BaP, aflatoxins does not detect, safety and sanitation, is true
Positive pollution-free food and health food.
6. the extra virgin camellia oil of the present invention, quality better, acidity is low, zero trans-fat acid content, clean taste, and color is fragrant
Taste is just right, and quality is higher than country's squeezing primary standard.
In order to illustrate more clearly of the present invention, following examples are enumerated, but its scope to invention is without any restrictions.
Embodiment
Embodiment 1
With the following method, it is prepared for a kind of camellia oil：
A. extra virgin camellia oil raw material is produced:Take then fresh tea seed spread natural drying out；Make moisture control in 8 matter
Measure %；Whole seed shells of tea seed are sloughed, obtain camellia seed kernel；
B. just squeeze：The obtained camellia seed kernels of step A are entered into oil press squeezing, it is environment temperature, i.e. temperature to enter seed temperature,
And control press chamber to be below 60 DEG C with oil temperature of squeezing out, obtain just squeezing camellia oil and tea seed cake；
C. freezing removal of impurities：The camellia oil that just squeezes is put into refrigerated cylinder, dropped by the Slow-rate freezing in following three stage
Temperature, carry out growing the grain removal of impurities.First stage：20 DEG C first are cooled to 2.0 DEG C/h of speed, is kept for 15 hours, speed of agitator is
50 r/min；10 DEG C are cooled to 2.0 DEG C/h of speed again, is kept for 5 hours, speed of agitator is 50 r/min；Second-order
Section, 8 DEG C first being cooled to the speed of 0.4/ hour, kept for 2 hours, speed of agitator is 50 r/min, then with 0.4 DEG C/h
Speed is cooled to 5 DEG C, is kept for 5 hours, speed of agitator is 10 r/min；Phase III, be cooled to 0.3 DEG C/h of speed-
1 DEG C, kept for 5 hours, speed of agitator is 10 r/min；4 DEG C are warming up to 0.3 DEG C/h of speed again, is kept for 6 hours, stirring
Rotating speed is 10 r/min；
D. filter：The oil plant after growing the grain cleans will be freezed to filter by the flame filter press equipped with filter paper and filter cloth, obtained
The extra virgin camellia oil of the present invention；
E. preservation is handled：The canned preservation of nitrogen charging immediately of extra virgin camellia oil or packaging, nitrogen charging pressure after filtering are
0.05~0.1MPa, nitrogen gas purity 99.9%.
Embodiment 2
Using method substantially the same manner as Example 1, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, just squeeze in camellia oil crude product, add thin by 60 mesh worn into of gained tea seed cake in step B to described
Powder, tea seed cake fine powder addition are 2 with the mass ratio for just squeezing camellia oil crude product：100, crystalline substance is served as in refrigeration crystallization process
Core, improve freezing and crystallizing clean-up effect.
Embodiment 3
Using method substantially the same manner as Example 1, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, respectively to it is described just squeeze camellia oil crude product in, add by step B gained tea seed cake wear into 200
Mesh fine powder, tea seed cake fine powder addition are 0.05 with the mass ratio for just squeezing camellia oil crude product：100, in refrigeration crystallization process
Nucleus is served as, improves freezing and crystallizing clean-up effect.
Embodiment 4
Using method substantially the same manner as Example 1, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, respectively to it is described just squeeze camellia oil crude product in, add by step B gained tea seed cake wear into 200
Mesh fine powder, tea seed cake fine powder addition are 0.5 with the mass ratio for just squeezing camellia oil crude product：100, in refrigeration crystallization process
Nucleus is served as, improves freezing and crystallizing clean-up effect.
Embodiment 5
Using method substantially the same manner as Example 1, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, respectively to it is described just squeeze camellia oil crude product in, add by step B gained tea seed cake wear into 100
Mesh fine powder, tea seed cake fine powder addition are 1 with the mass ratio for just squeezing camellia oil crude product：100, served as in refrigeration crystallization process
Nucleus, improve freezing and crystallizing clean-up effect.
Embodiment 6
With the following method, it is prepared for a kind of camellia oil：
A. extra virgin camellia oil raw material is produced:Take then fresh tea seed spread out it is air-dried；Make moisture control in 7 mass %；
Whole seed shells of tea seed are sloughed, obtain camellia seed kernel；
B. just squeeze：The obtained camellia seed kernels of step A are entered into oil press squeezing, it is environment temperature, i.e. temperature to enter seed temperature,
And control press chamber to be below 60 DEG C with oil temperature of squeezing out, obtain just squeezing camellia oil and tea seed cake；
C. freezing removal of impurities：：The camellia oil that just squeezes is put into refrigerated cylinder, dropped by the Slow-rate freezing in following three stage
Temperature, carry out growing the grain removal of impurities.First stage：20 DEG C first are cooled to 2.0 DEG C/h of speed, is kept for 15 hours, speed of agitator is
60 r/min；10 DEG C are cooled to 2.0 DEG C/h of speed again, is kept for 5 hours, speed of agitator is 60 r/min；Second-order
Section, 8 DEG C first being cooled to the speed of 0.4/ hour, kept for 2 hours, speed of agitator is 60 r/min, then with 0.4 DEG C/h
Speed is cooled to 5 DEG C, is kept for 5 hours, speed of agitator is 20 r/min；Phase III, be cooled to 0.3 DEG C/h of speed-
1 DEG C, kept for 5 hours, speed of agitator is 20 r/min；4 DEG C are warming up to 0.3 DEG C/h of speed again, is kept for 6 hours, stirring
Rotating speed is 20 r/min；
D. filter：The oil plant after growing the grain cleans will be freezed to filter by the flame filter press equipped with filter paper and filter cloth, obtained
The extra virgin camellia oil of the present invention；
E. preservation is handled：The canned preservation of nitrogen charging immediately of extra virgin camellia oil or packaging, nitrogen charging pressure after filtering are
0.05~0.1MPa, nitrogen gas purity 99.9%.
Embodiment 7
Using method substantially the same manner as Example 6, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, just squeeze in camellia oil crude product, add thin by 60 mesh worn into of gained tea seed cake in step B to described
Powder, tea seed cake fine powder addition are 2 with the mass ratio for just squeezing camellia oil crude product：100, crystalline substance is served as in refrigeration crystallization process
Core, improve freezing and crystallizing clean-up effect.
Embodiment 8
Using method substantially the same manner as Example 6, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, respectively to it is described just squeeze camellia oil crude product in, add by step B gained tea seed cake wear into 200
Mesh fine powder, tea seed cake fine powder addition are 0.05 with the mass ratio for just squeezing camellia oil crude product：100, in refrigeration crystallization process
Nucleus is served as, improves freezing and crystallizing clean-up effect.
Embodiment 9
Using method substantially the same manner as Example 6, a kind of extra virgin camellia oil is prepared for, difference is, in step C
Slow-rate freezing cooling before, respectively to it is described just squeeze camellia oil crude product in, add by step B gained tea seed cake wear into 100
Mesh fine powder, tea seed cake fine powder addition are 1 with the mass ratio for just squeezing camellia oil crude product：100, served as in refrigeration crystallization process
Nucleus, improve freezing and crystallizing clean-up effect.
Embodiment 10
A. extra virgin camellia oil raw material is produced:Tea seed is taken to spread out air-dried；Make moisture control in 9 mass %；Slough oil tea
Whole seed shells of seed, obtain camellia seed kernel；
B. just squeeze：The obtained camellia seed kernels of step A are entered into oil press squeezing, it is environment temperature, i.e. temperature to enter seed temperature,
And control press chamber to be below 60 DEG C with oil temperature of squeezing out, obtain just squeezing camellia oil and tea seed cake；
C. freezing removal of impurities：The camellia oil that just squeezes is put into refrigerated cylinder, dropped by the Slow-rate freezing in following three stage
Temperature, carry out growing the grain removal of impurities.First stage：20 DEG C first are cooled to 3.0 DEG C/h of speed, then with 1.8 DEG C/h of speed
It is cooled to 11 DEG C；Second stage, 9 DEG C first are cooled to 0.5 DEG C/h of speed, then 5 are cooled to 0.5 DEG C/h of speed
℃；Phase III, 0 DEG C is cooled to 0.4 DEG C/h of speed, then 5 DEG C are warming up to 0.4 DEG C/h of speed；
D. filter：The oil plant after growing the grain cleans will be freezed to filter by the flame filter press equipped with filter paper and filter cloth, obtained
Extra virgin camellia oil；
E. preservation is handled：The canned preservation of nitrogen charging immediately of extra virgin camellia oil or packaging, nitrogen charging pressure after filtering are
0.05~0.1MPa, nitrogen gas purity 99.9%.
The embodiment 1-5 extra virgin camellia oil testing results of table 1
The embodiment 6-10 extra virgin camellia oil testing results of table 2
Table 1, respectively refer to object detection method in table 2：
The Pesticide maximum residue limits of GB 2763
The measure of the total Arsenic in Food of GB/T 5009.11 and inorganic arsenic
The measure of the national food safety standard Pb in food of GB 5009.12
Benzo in the food of GB/T 5009.27（α）The measure of pyrene
The measure of vitamin A and vitamin E in the foods of GB/T 5009.82
The vegetable fat transparencies of GB/T 5525, smell, flavour identification method
The animal and plant fat moisture and volatile matter content assays of GB/T 5528
The animal and plant fat acid numbers of GB/T 5530 and acidity assaying
The animal and plant fat determination of POV of GB/T 5538
The measure immunoaffinity chromatography of aflatoxin purifies efficient liquid in the food of GB/T 18979
Phase chromatography and fluorimetry
Trans-fatty acid content of isomer determines gas phase in GB/T 22507-2008 animal and plant fat vegetable oil
Chromatography
The squalenes of WS-10001- (HD-0818) -2002, Chinese Pharmacopoeia two annex V E gas chromatographies of version in 2000
The animal and plant fat sterols of GB/T 25223 form and the measure gas chromatography of sterol total amount
From table 1, table 2 is as can be seen that extra virgin camellia oil acidity of the present invention is low, and peroxide value is low, without BaP, Huang
The harmful substances such as aspertoxin, heavy metal；Vitamin E, squalene, phytosterol equal size are high.
Trans-fatty acid is difficult by human consumption, absorbed, and easily causes physiological function multiple combination obstacle occur, and the present invention is superfine
It is 0 just to squeeze camellia oil content of trans fatty acids.
Vitamin E can improve skin elasticity, crease-resistant anti-aging：Internal superoxide radical can be removed, human body cell is invaded
Erosion, anti-aging, improve elasticity of skin；The absorption to iron is improved, anaemia is effectively prevented, slows down the generation of striae of pregnancy.
Phytosterol plays a part of effectively maintaining internal cholesterol, and the key of life is described as by scientists.
Squalene can promote human metabolism, and accelerating body tissue reparation improves diabetes, nephrosis, hypertension, the heart
A series of chronic disease symptoms such as popular name for and complications shape；And oxygen content of blood can be improved.
Above content describes the general principle and principal character of the present invention, and the present invention is not limited to the above embodiments,
Without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, and these changes and improvements are all
Fall into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (2)
1. a kind of preparation method of extra virgin camellia oil, is comprised the technical steps that：
A. extra virgin camellia oil raw material is produced:Take then fresh tea seed spread out it is air-dried；Make moisture control in 7 mass %；It is de-
Whole seed shells of tea seed are removed, obtain camellia seed kernel；
B. just squeeze：The obtained camellia seed kernels of step A are entered into oil press squeezing, it is environment temperature to enter seed temperature, and controls press chamber
60 DEG C are below with oil temperature of squeezing out, obtains just squeezing camellia oil and tea seed cake；
C. freezing removal of impurities：Just squeeze in camellia oil crude product, added by the 60 mesh fine powders that gained tea seed cake is worn into step B to described,
Tea seed cake fine powder addition is 2 with the mass ratio for just squeezing camellia oil crude product：100, nucleus is served as in refrigeration crystallization process,
Improve freezing and crystallizing clean-up effect；
The first squeezing camellia oil of the addition tea seed cake fine powder is put into refrigerated cylinder, cooled by the Slow-rate freezing in following three stage,
Carry out growing the grain removal of impurities.First stage：20 DEG C first are cooled to 2.0 DEG C/h of speed, is kept for 15 hours, speed of agitator 60
r/min ；10 DEG C are cooled to 2.0 DEG C/h of speed again, is kept for 5 hours, speed of agitator is 60 r/min；Second-order
Section, be first cooled to 8 DEG C with 0.4 DEG C/h of speed, kept for 2 hours, speed of agitator is 60 r/min, then with 0.4 DEG C/it is small
When speed be cooled to 5 DEG C, kept for 5 hours, speed of agitator is 20 r/min；Phase III, dropped with 0.3 DEG C/h of speed
Temperature is kept for 5 hours, speed of agitator is 20 r/min to -1 DEG C；4 DEG C are warming up to 0.3 DEG C/h of speed again, holding 6 is small
When, speed of agitator is 20 r/min；
D. filter：The oil plant after growing the grain cleans will be freezed to filter by the flame filter press equipped with filter paper and filter cloth, obtain this hair
Bright extra virgin camellia oil；
E. preservation is handled：The canned preservation of nitrogen charging immediately of extra virgin camellia oil or packaging after filtering, nitrogen charging pressure be 0.05~
0.1MPa, nitrogen gas purity 99.9%.
2. a kind of extra virgin camellia oil, is prepared by method as claimed in claim 1, wherein content of vitamin E is 315mg/
Kg, content of phytosterol 1200mg/kg, squalene content are 120mg/kg.
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| CN105349250A (en) * | 2015-11-04 | 2016-02-24 | 湖南绿博农林开发有限公司 | Camellia oil squeezing method |
| CN107828500A (en) * | 2017-10-27 | 2018-03-23 | 浙江晟泰茶油科技有限公司 | Tea oil that a kind of low temperature is produced and application thereof |
| CN107714605A (en) * | 2017-10-27 | 2018-02-23 | 浙江晟泰茶油科技有限公司 | A kind of tea oil bath oil |
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| CN109370768A (en) * | 2018-11-22 | 2019-02-22 | 衡阳仕杰农业发展有限公司 | A kind of camellia oil and preparation method thereof that content of phytosterol is high |
| CN109370767A (en) * | 2018-11-22 | 2019-02-22 | 衡阳仕杰农业发展有限公司 | A kind of camellia oil and preparation method thereof |
| CN109762658A (en) * | 2019-01-31 | 2019-05-17 | 安徽省新洲海洋生物制品有限公司 | A kind of method of purification of refined fish oil |
| CN110283654A (en) * | 2019-06-26 | 2019-09-27 | 贵州大学 | A kind of anti-oxidant and relax bowel and defecation dual-purpose of drug and food tea oil preparation method |
| CN112831372A (en) * | 2019-11-25 | 2021-05-25 | 湖南大三湘茶油股份有限公司 | Pure camellia oil and preparation method thereof |
| CN111007060A (en) * | 2019-12-24 | 2020-04-14 | 姜金仲 | Low-temperature refining-free process tea seed oil identification method and device |
| CN113308296B (en) * | 2021-06-08 | 2023-11-21 | 长沙中战茶油集团有限公司 | Preparation method of direct drinking tea oil and tea oil |
| CN115029179A (en) * | 2022-06-20 | 2022-09-09 | 浙江久晟油茶科技有限公司 | Preparation method of zero-trans-fatty acid camellia seed oil |
| CN115261113A (en) * | 2022-07-08 | 2022-11-01 | 广西三门江生态茶油有限责任公司 | Original-taste camellia oil and preparation method thereof |
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