CN104789349A - Super virgin camellia oil and preparation method thereof - Google Patents
Super virgin camellia oil and preparation method thereof Download PDFInfo
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- CN104789349A CN104789349A CN201510146941.0A CN201510146941A CN104789349A CN 104789349 A CN104789349 A CN 104789349A CN 201510146941 A CN201510146941 A CN 201510146941A CN 104789349 A CN104789349 A CN 104789349A
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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
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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
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
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Abstract
The invention discloses super virgin camellia oil and a preparation method thereof. The preparation method comprises the following process steps: naturally air-curing or air-drying and unshelling camellia seeds to obtain camellia seed kernels; pressing first camellia seed juice by using a cold press, wherein the feeding temperature of the camellia seed kernels is the environment temperature; controlling the barrel temperature and the expressed oil temperature to be lower than 60 DEG C to obtain a virgin camellia oil crude product; performing programmed cooling and freezing, grain growth, impurity removal and filtration to obtain the super virgin camellia oil. According to the method, a chemical reagent or a chemical aid is not added, the obtained camellia oil is pure in flavor, tastes fresh and cool, does not contain harmful ingredients such as metal, pesticide residue and benzopyrene, and does not contain trans-fat acid; the color, the flavor and the taste are perfect; original active nutritional ingredients of the camellia oil are better maintained; the quality is superior to the first-grade national standard.
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, particularly a kind of extra virgin Camellia oil and preparation method thereof.
Background technology
Oil tea is the distinctive oil resource of China, and abroad due to the scarcity of resource, processing exploitation is few.The processing of current China oil tea is still " thick and first ", now adopt is traditional working method more, small scale and backward in technique, when oil tea seed tape shell processing high temperature is long, not only the yield of oil is low, and of poor quality, the color and luster of oil is dark, and power consumption of polymer processing is large, cost is high, and by product also to be caused in tea seed as tea saponin, polysaccharide, the isostructural destruction of micro-nutrient composition and bioactive forfeiture.There are some researches show that the storage characteristics of mao tea-seed oil is better than refining tea-seed oil, this is mainly because traditional refinery practice causes natural anti-oxidation composition in tea-seed oil to remain little, this just requires to adopt relatively mild method in tea-seed oil processing, retain antioxidant component as far as possible, therefore existing technique is unfavorable for intensive processing and the comprehensive utilization of oil tea, have impact on the performance of oil tea overall efficiency.The exploitation and demonstration carrying out oil tea processing technology is the objective requirement promoting China's camellia oleiferaindustry level.
Oil tea is commonly called as camellia, wild tea, spends tea in vain, be the distinctive a kind of high-quality edible oil materials plant of China, is called the large woody edible oil tannin plant in the world four with oil palm, Fructus oleae europaeae and coconut.Its fruit is camellia oleifera fruit; The shell (i.e. oil-tea camellia husks) of camellia oleifera fruit includes tea seed (tea seed); Tea seed skin is seed shell, is tea seed kernel (i.e. camellia seed kernel) in seed shell; The oil that tea seed or tea seed kernel are squeezed out is Camellia oil.
Camellia oil, as high-quality edible oil, has unique health-care effect, also has unique local flavor, always by broad masses of the people are favored.Along with the raising of living standards of the people, the demand of high-quality healthy flavor edible oil is expanded gradually, the share also corresponding increase that local flavor tea oil is shared in edible oil high-end market, have good market outlook.
The local flavor of tea oil comes from the multiple natural flavour mountaineous material (perfume compound) contained by it, and a described flavour substances part comes from tea seed, a part be in oil expression process as steam fry, squeezing time, formed under the appropriate temperature conditions and enter in Camellia oil.The generation of this kind of flavour substances and reservation, especially much relations are had with pressing method, rational pressing method just can make it more formation and enter in Camellia oil, otherwise, be difficult to form this perfume compound, can stay in a large number tea withered in, or along with temperature raise and run off, described tea is withered be oil expression after solids.
Current Camellia oil squeezing production technique can produce and retain the natural flavour mountaineous material of some tea oil, but the various process wherein under higher temperature conditions, the benzopyrene that easy generation toxicity is very large, causes tea oil benzopyrene content to exceed national edible oil hygienic standard, causes edible safety problem.
Benzopyrene is most important in the serial polycyclic aromatic hydrocarbons that formed under higher temperature conditions of organism, to have genetoxic (i.e. teratogenecity and genotoxicity) and carinogenicity condensed-nuclei aromatics, with benzo (a) pyrene (english abbreviation BaP) for common.Tea seed is rich in organic substance, and steam at high temperature and fry and can produce in the expressing process of high temperature, easy coking produces benzo (a) pyrene and enters in Camellia oil.
Although by the refining process after oil expression, comprise and add abundant adsorption aid as atlapulgite, gac, can effectively remove benzo (a) pyrene, simultaneously also easy by described for part flavour substances removal; Conventional vacuum distilling deodorising process, also easy by described for part flavour substances removal, thus make the peculiar flavour of tea oil (perfume compound) disappearance or strong not, the requirement of human consumer cannot be met.
Chinese patent ZL200610031452 .1 discloses a kind of physical low-temperature cold-squeezing process for tea-seed oil, its processing step comprises and is dried by the oil tea cone after gathering, broken shell, low tempertaure storage after-ripening, selects seed, clears up, separations of peeling off, rolls embryo, cold press, multi-filtering, filter at low temperature, adsorption bleaching, vacuum water steaming deodorization, obtains finished product tea oil.This processing method is simple and easy to do, and low temperature pressing process does not lose the fragrance of nutritive ingredient, active substance and the tea oil in oil itself; Refining process secondary pollution is less; The pressed tea seed oil obtained, presents the appearance luster that oil colours is limpid, is better than CB11765-2003 one-level pressed tea seed oil standard.
Chinese patent 201110087757.5 discloses a kind of camellia seed oil low-temperature cold pressing and binary continous way refining working method, and the method mainly comprises squeezing, leaches, depickling of coming unstuck, decolouring, deodorization and winterization take off the processing steps such as cured; The present invention adopts cryodrying, low temperature pressing technology and activated carbon and atlapulgite two end number mixing decolouring technology to carry out adsorption bleaching to oil, avoids the generation of the objectionable impuritiess such as benzopyrene, carbonizing matter and carbide, improves quality and the quality of product.
Chinese patent 201110227184.1 discloses a kind of low-temperature physical cold squeezing process of tea-seed oil, mainly comprise the after-ripening of tea seed, select seed, cold press obtains crude oil, crude oil coarse filtration, filter at low temperature, middle temperature dehydration and decolorization is carried out: the tea-seed oil after filter at low temperature is placed in dehydration barrel and stirs after filter at low temperature, then the water of tea-seed oil 3 ~ 7% weight is added, be stirred in dehydration barrel without till water smoke, enter the second dehydration barrel after multi-filtering to stir, water vapour dehydration and decolorization to moisture content is 0, breaker is opened at 80 DEG C ~ 100 DEG C, finished product tea-seed oil is obtained after multi-filtering, the present invention and warm evaporate vapor dehydration and decolorization process in adopting, avoid the chemical substances such as carclazyte and directly contact with tea-seed oil the pollution brought, the tocopheronic acid in tea-seed oil can not be lost, separate MF59, the nutritive ingredients such as sterol, active substance and distinctive delicate fragrance itself, gained tea-seed oil presents the appearance luster of the clear yellow of tea-seed oil own, be better than GB11765-2003 one-level Squeezing Tea Oil standard.
Chinese patent 200910307817.2 causes the problems such as Camellia oil nutrition too much runs off for prior art temperature is too high, and provide the refining method for camellia oil that a kind of nutrition content is high, key step comprises: produce crude oil under normal temperature; Warm water, then removes lower floor's impurity and water by settlement separate method; Add sodium hydroxide solution, then remove water and soap stock by settlement separate method; Heating tea seed crude oil to 80 DEG C ~ 90 DEG C, adds 1 ~ 3 part of atlapulgite, under-0.1MPa ~-0.095MPa, is cooled to 68 DEG C ~ 72 DEG C, then filters with cotton through 15 ~ 20 minutes; Temperature 140 ~ 150 DEG C, vacuum tightness 200Pa to 260Pa, obtains deodorization Camellia oil after distillation; After deodorization Camellia oil Slow cooling, static pressure filters, and obtains refining Camellia oil.
Described these basic technology methods that patent discloses current cold press Camellia oil, but flow process is numerous and diverse, processing condition require high, need to consume number of chemical reagent or auxiliary agent, not only have that processing charges is high, tea oil product yield is low, also easily produce the problem of the aspects such as security, mouthfeel, local flavor, nutrient health.
The low temperature crystallization purge process often adopted in existing method, also mostly too simple, although the problem of solidifying or separating out when substantially can reach object, the solution low-temp storage of removing high-melting-point saturated fat, but it is concrete not to the control of temperature-fall period, crystallization time is very long, cause the energy consumption that production efficiency is low and higher, the crystallization situation of high-melting-point saturated fat is not disclosed yet, and to the Adsorption effect problem of objectionable impurities in oil as wax, benzopyrene, heavy metal, pesticide residue etc. in crystallisation process.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of preparation method of extra virgin Camellia oil, its method flow is simple, and processing condition require low, does not need to add chemical reagent or auxiliary agent.
Another object of the present invention is to provide a kind of extra virgin Camellia oil obtained by aforesaid method, the indexs such as its unique flavor, delicate fragrance, color and luster pale green, acid number, peroxide value all can be up to state standards, and the Harmful ingredient contents such as benzopyrene, aflatoxin, heavy metal, pesticide residue, trans fatty acid are extremely low.
Technical scheme of the present invention is: a kind of preparation method of extra virgin Camellia oil, comprises following processing step:
A. extra virgin Camellia oil raw material is produced: get tea seed and spread natural drying or air-dry out; Make moisture controlled at 7 ~ 10 quality %; Slough whole seed shells of tea seed, obtain camellia seed kernel;
B. just squeeze: camellia seed kernel steps A obtained enters oil press zhai squeezing, and entering seed temperature is envrionment temperature, i.e. temperature, and control to squeeze thorax and expressed oil temperature all lower than 60 DEG C, obtain just squeezing Camellia oil and tea withered;
C. freezing removal of impurities: the described Camellia oil that just squeezes is put into refrigerated cylinder, lowers the temperature by the Slow-rate freezing of following three phases, carry out growing the grain removal of impurities.First stage: mixing speed is 50 ~ 60 r/min, be first cooled to 15-20 DEG C with the speed of 2.0-4.0 DEG C/h, then be cooled to 10-12 DEG C with the speed of 1.5-2.0 DEG C/h; Subordinate phase, be first cooled to 8-9 DEG C with the speed of 0.4-0.6 DEG C/h, keep 2 hours, mixing speed is 50 ~ 60 r/min, then is cooled to 5-6 DEG C with the speed of 0.4-0.5 DEG C/h, and keep 5 hours, mixing speed is 10 ~ 20 r/min; Phase III, be cooled to-1 ~ 1 DEG C with the speed of 0.3-0.5 DEG C/h, keep 5 hours, mixing speed is 10 ~ 20 r/min; Be warming up to 4-6 DEG C with the speed of 0.3-0.5 DEG C/h again, keep 6 hours, mixing speed is 10 ~ 20 r/min;
This freezing growing the grain is except miscellaneous time total 40-50 hour; The crystal of separating out has benzopyrene, wax, colloid, moisture and is wrapped in the objectionable impurities such as heavy metal, pesticide residue, protein, Mierocrystalline cellulose wherein, and cross and filter detrimental impurity, protein, Mierocrystalline cellulose can serve as nucleus;
D. filter: the oil plant after freezing growing the grain removal of impurities is filtered, obtains extra virgin Camellia oil of the present invention;
The extra virgin Camellia oil prepared through above step can also comprise the following steps:
E. specimens preserving.
Preferably, in steps A, described tea seed is fresh tea seed then;
According to the difference of mould seed and fresh seed color and luster, the difference of optical characteristics can be adopted, can by the heterochromatic particle automatic sorting in camellia seed kernel out; Can magnetic suck be adopted, remove the iron filings or iron block that may exist in camellia seed kernel; In steps A, choose the full tea seed of high-quality, remove the objectionable impurities that tea seed surface dirt maybe may be polluted, obtain clean tea seed;
Preferably, in steps A, before just squeezing, tea seed adopts the method sorting of look choosing, and namely adopting color selector to be selected by undesirable for surface color camellia seed kernel need not.Adopt color selector, process velocity is fast, and sort effective, expense is low.
Preferably, in step D, filter plant is the flame filter press that filter paper and filter cloth are housed;
Preferably, in step e, the extra virgin Camellia oil after filtration fills the canned preservation of nitrogen or packaging immediately, and filling nitrogen pressure is 0.05 ~ 0.1MPa, and nitrogen gas purity is more than or equal to 99.9%.Fill the nitrogen canned quality guaranteed period extending Camellia oil, cost is also lower.
Preferably, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product to described, add by the withered 60-200 order fine powder worn into of step B gained tea, nucleus is served as in refrigeration crystallization process, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are (0.05-2): 100, preferably (0.5-2): 100, to improve freezing and crystallizing decontamination effect improving.
Principle of the present invention and feature compared with prior art as follows:
1. method of the present invention, by choosing organic Wild Camellia oleifera Abel base fresh mature camellia oleifera fruit then, spread natural drying out or air-dry after, strip off shell, obtains tea seed; Tea seed is natural drying or air-dry in 30 days, makes moisture controlled in 7 ~ 10% quality; Choose the full tea seed of high-quality, remove the objectionable impurities that tea seed surface dirt maybe may be polluted, obtain clean tea seed; Slough whole seed shells of tea seed, obtain camellia seed kernel; Quality defect or rotten camellia seed kernel being sorted out need not again, only retain the excellent camellia seed kernel of quality, not containing camellia seed kernel that is second-rate or that rot, strictly control the quality level of camellia seed kernel raw material, can substantially avoid the objectionable constituent of bringing into from the raw material that rots as flavacin.
2. before the oil expression of this camellia seed kernel, not through the process of high temperature parch, during oil expression, camellia seed kernel feeding temperature is envrionment temperature, i.e. temperature, and control squeezing thorax and expressed oil temperature are all lower than 60 DEG C, achieve good cold press condition, in oil expression process, substantially do not produce Yin Gaowen and the objectionable constituent formed as benzopyrene.
3. in freezing and crystallizing scavenging process, programmed cooling process is specifically reasonable, not only make high-melting-point saturated fat, wax sufficient crystallising, in crystallization growing the grain process, also to adsorb more objectionable constituent as colloid, protein, Mierocrystalline cellulose, moisture, heavy metal, pesticide residue, benzopyrene, peculiar smell etc., oil plant after Freeze crystallization also more easily filters, and the Camellia oil product leached is limpid, and color is yellowish green, fragrance is light, free from extraneous odour.
4. method flow of the present invention is simple, and technique, appointed condition require low, and cost is lower.
5., by the Camellia oil that method of the present invention obtains, containing abundant perfume compound in it, light tea can be experienced when people eat fragrant, whet the appetite, in it, objectionable impurities such as benzopyrene, flavacin do not detect simultaneously, and safety and sanitation are real green food and protective foods.
6. extra virgin Camellia oil of the present invention, quality better, acidity is low, zero trans-fat acid content, clean taste, and color, smell and taste are just right, and quality squeezes primary standard higher than country.
In order to be illustrated more clearly in the present invention, enumerate following examples, but it is without any restrictions to scope of invention.
Embodiment
embodiment 1
Adopt with the following method, prepared a kind of Camellia oil:
A. extra virgin Camellia oil raw material is produced: get fresh tea seed then and spread natural drying out; Make moisture controlled at 8 quality %; Slough whole seed shells of tea seed, obtain camellia seed kernel;
B. just squeeze: camellia seed kernel steps A obtained enters oil press zhai squeezing, and entering seed temperature is envrionment temperature, i.e. temperature, and control to squeeze thorax and expressed oil temperature all lower than 60 DEG C, obtain just squeezing Camellia oil and tea withered;
C. freezing removal of impurities: the described Camellia oil that just squeezes is put into refrigerated cylinder, lowers the temperature by the Slow-rate freezing of following three phases, carry out growing the grain removal of impurities.First stage: be first cooled to 20 DEG C with the speed of 2.0 DEG C/h, keep 15 hours, mixing speed is 50 r/min; Be cooled to 10 DEG C with the speed of 2.0 DEG C/h again, keep 5 hours, mixing speed is 50 r/min; Subordinate phase, be first cooled to 8 DEG C with the speed of 0.4/ hour, keep 2 hours, mixing speed is 50 r/min, then is cooled to 5 DEG C with the speed of 0.4 DEG C/h, and keep 5 hours, mixing speed is 10 r/min; Phase III, be cooled to-1 DEG C with the speed of 0.3 DEG C/h, keep 5 hours, mixing speed is 10 r/min; Be warming up to 4 DEG C with the speed of 0.3 DEG C/h again, keep 6 hours, mixing speed is 10 r/min;
D. filter: the oil plant after freezing growing the grain removal of impurities is filtered by the flame filter press that filter paper and filter cloth are housed, obtains extra virgin Camellia oil of the present invention;
E. specimens preserving: the extra virgin Camellia oil after filtration fills the canned preservation of nitrogen or packaging immediately, filling nitrogen pressure is 0.05 ~ 0.1MPa, and nitrogen gas purity is 99.9%.
embodiment 2
Adopt method substantially the same manner as Example 1, prepare a kind of extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product to described, add by the withered 60 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 2:100, in refrigeration crystallization process, serve as nucleus, improve freezing and crystallizing decontamination effect improving.
embodiment 3
Adopt method substantially the same manner as Example 1, prepare a kind of extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product respectively to described, add by the withered 200 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 0.05:100, in refrigeration crystallization process, serve as nucleus, improve freezing and crystallizing decontamination effect improving.
embodiment 4
Adopt method substantially the same manner as Example 1, prepare a kind of extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product respectively to described, add by the withered 200 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 0.5: 100, in refrigeration crystallization process, serve as nucleus, improve freezing and crystallizing decontamination effect improving.
embodiment 5
Adopt method substantially the same manner as Example 1, prepared
oneplant extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product respectively to described, add by the withered 100 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 1:100, serve as nucleus, improve freezing and crystallizing decontamination effect improving in refrigeration crystallization process.
embodiment 6
Adopt with the following method, prepared a kind of Camellia oil:
A. extra virgin Camellia oil raw material is produced: get fresh tea seed then and spread out air-dry; Make moisture controlled at 7 quality %; Slough whole seed shells of tea seed, obtain camellia seed kernel;
B. just squeeze: camellia seed kernel steps A obtained enters oil press zhai squeezing, and entering seed temperature is envrionment temperature, i.e. temperature, and control to squeeze thorax and expressed oil temperature all lower than 60 DEG C, obtain just squeezing Camellia oil and tea withered;
C. freezing removal of impurities:: the described Camellia oil that just squeezes is put into refrigerated cylinder, lowers the temperature by the Slow-rate freezing of following three phases, carry out growing the grain removal of impurities.First stage: be first cooled to 20 DEG C with the speed of 2.0 DEG C/h, keep 15 hours, mixing speed is 60 r/min; Be cooled to 10 DEG C with the speed of 2.0 DEG C/h again, keep 5 hours, mixing speed is 60 r/min; Subordinate phase, be first cooled to 8 DEG C with the speed of 0.4/ hour, keep 2 hours, mixing speed is 60 r/min, then is cooled to 5 DEG C with the speed of 0.4 DEG C/h, and keep 5 hours, mixing speed is 20 r/min; Phase III, be cooled to-1 DEG C with the speed of 0.3 DEG C/h, keep 5 hours, mixing speed is 20 r/min; Be warming up to 4 DEG C with the speed of 0.3 DEG C/h again, keep 6 hours, mixing speed is 20 r/min;
D. filter: the oil plant after freezing growing the grain removal of impurities is filtered by the flame filter press that filter paper and filter cloth are housed, obtains extra virgin Camellia oil of the present invention;
E. specimens preserving: the extra virgin Camellia oil after filtration fills the canned preservation of nitrogen or packaging immediately, filling nitrogen pressure is 0.05 ~ 0.1MPa, and nitrogen gas purity is 99.9%.
embodiment 7
Adopt method substantially the same manner as Example 6, prepare a kind of extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product to described, add by the withered 60 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 2:100, in refrigeration crystallization process, serve as nucleus, improve freezing and crystallizing decontamination effect improving.
embodiment 8
Adopt method substantially the same manner as Example 6, prepare a kind of extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product respectively to described, add by the withered 200 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 0.05:100, in refrigeration crystallization process, serve as nucleus, improve freezing and crystallizing decontamination effect improving.
embodiment 9
Adopt method substantially the same manner as Example 6, prepared
oneplant extra virgin Camellia oil, difference is, before Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product respectively to described, add by the withered 100 order fine powders worn into of gained tea in step B, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are 1:100, serve as nucleus, improve freezing and crystallizing decontamination effect improving in refrigeration crystallization process.
embodiment 10
A. extra virgin Camellia oil raw material is produced: get tea seed and spread out air-dry; Make moisture controlled at 9 quality %; Slough whole seed shells of tea seed, obtain camellia seed kernel;
B. just squeeze: camellia seed kernel steps A obtained enters oil press zhai squeezing, and entering seed temperature is envrionment temperature, i.e. temperature, and control to squeeze thorax and expressed oil temperature all lower than 60 DEG C, obtain just squeezing Camellia oil and tea withered;
C. freezing removal of impurities: the described Camellia oil that just squeezes is put into refrigerated cylinder, lowers the temperature by the Slow-rate freezing of following three phases, carry out growing the grain removal of impurities.First stage: be first cooled to 20 DEG C with the speed of 3.0 DEG C/h, then be cooled to 11 DEG C with the speed of 1.8 DEG C/h; Subordinate phase, is first cooled to 9 DEG C with the speed of 0.5 DEG C/h, then is cooled to 5 DEG C with the speed of 0.5 DEG C/h; Phase III, be cooled to 0 DEG C with the speed of 0.4 DEG C/h, then be warming up to 5 DEG C with the speed of 0.4 DEG C/h;
D. filter: the oil plant after freezing growing the grain removal of impurities is filtered by the flame filter press that filter paper and filter cloth are housed, obtains extra virgin Camellia oil;
E. specimens preserving: the extra virgin Camellia oil after filtration fills the canned preservation of nitrogen or packaging immediately, filling nitrogen pressure is 0.05 ~ 0.1MPa, and nitrogen gas purity is 99.9%.
Table 1 embodiment 1-5 extra virgin Camellia oil detected result
Table 2 embodiment 6-10 extra virgin Camellia oil detected result
Table 1, respectively refers to object detection method in table 2:
GB 2763 Pesticide maximum residue limit
The mensuration of GB/T 5009.11 total Arsenic in Food and inorganic arsenic
The mensuration of GB 5009.12 national food safety standard Pb in food
The mensuration of benzo (α) pyrene in GB/T 5009.27 food
The mensuration of vitamin A and vitamin-E in GB/T 5009.82 food
GB/T 5525 Vegetable oil lipoprotein transparency, smell, flavour identification method
GB/T 5528 animal-plant oil moisture and volatile matter content assay
GB/T 5530 animal-plant oil acid number and acid test
GB/T 5538 animal-plant oil determination of POV
In GB/T 18979 food, the mensuration immunoaffinity chromatography of aflatoxin purifies high performance liquid chromatography and fluorimetry
In GB/T 22507-2008 animal-plant oil vegetables oil, trans fatty acid content of isomer measures vapor-phase chromatography
WS-10001-(HD-0818)-2002 squalene, Chinese Pharmacopoeia version in 2000 two annex V E vapor-phase chromatographies
The mensuration vapor-phase chromatography of GB/T 25223 animal-plant oil sterol composition and sterol total amount
From table 1, table 2 can be found out, extra virgin Camellia oil acidity of the present invention is low, and peroxide value is low, not containing objectionable impuritiess such as benzopyrene, aflatoxin, heavy metals; Vitamin-E, squalene, plant sterol equal size are high.
Trans fatty acid is difficult to by human consumption, absorption, and easily cause physiological function to occur multiple combination obstacle, extra virgin Camellia oil content of trans fatty acids of the present invention is 0.
Vitamin-E can improve skin elasticity, crease-resistant anti-aging: can superoxide radical in purged body, to the erosion of human body cell, delays senility, improves elasticity of skin; Improve the absorption to iron, effectively prevent anaemia, slow down the generation of striae of pregnancy.
Plant sterol plays a part effectively to maintain body inner cholesterol balance, is described as the key of life by scientists.
Squalene can promote human metabolism, accelerates body tissue reparation and improves a series of chronic disease symptom and the complications shapes such as diabetes, ephrosis, hypertension, heart trouble; And can oxygen content of blood be improved.
Above content description ultimate principle of the present invention and principal character; the present invention is not restricted to the described embodiments; without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. a preparation method for extra virgin Camellia oil, comprises following processing step:
A. extra virgin Camellia oil raw material is produced: get tea seed and spread natural drying or air-dry out; Make moisture controlled at 7 ~ 10 quality %; Slough whole seed shells of tea seed, obtain camellia seed kernel;
B. just squeeze: camellia seed kernel steps A obtained enters oil press zhai squeezing, and entering seed temperature is envrionment temperature, and control to squeeze thorax and expressed oil temperature all lower than 60 DEG C, obtain just squeezing Camellia oil and tea withered;
C. freezing removal of impurities: the described Camellia oil that just squeezes is put into refrigerated cylinder, lowers the temperature by the Slow-rate freezing of following three phases, carry out growing the grain removal of impurities; First stage: mixing speed is 50 ~ 60 r/min, be first cooled to 15-20 DEG C with the speed of 2.0-4.0 DEG C/h, then be cooled to 10-12 DEG C with the speed of 1.5-2.0 DEG C/h; Subordinate phase, be first cooled to 8-9 DEG C with the speed of 0.4-0.6 DEG C/h, keep 2 hours, mixing speed is 50 ~ 60 r/min, then is cooled to 5-6 DEG C with the speed of 0.4-0.5 DEG C/h, and keep 5 hours, mixing speed is 10 ~ 20 r/min; Phase III, be cooled to-1 ~ 1 DEG C with the speed of 0.3-0.5 DEG C/h, keep 5 hours, mixing speed is 10 ~ 20 r/min; Be warming up to 4-6 DEG C with the speed of 0.3-0.5 DEG C/h again, keep 6 hours, mixing speed is 10 ~ 20 r/min;
D. filter: the oil plant after freezing growing the grain removal of impurities is filtered, obtains extra virgin Camellia oil.
2. the preparation method of extra virgin Camellia oil as claimed in claim 1, characterized by further comprising step e specimens preserving.
3. the preparation method of extra virgin Camellia oil as claimed in claim 1, is characterized in that: in steps A, and described tea seed is fresh tea seed then.
4. the preparation method of extra virgin Camellia oil as claimed in claim 1, it is characterized in that: in step D, filter plant is the flame filter press that filter paper and filter cloth are housed.
5. the preparation method of extra virgin Camellia oil as claimed in claim 2, it is characterized in that: in step e, the extra virgin Camellia oil after filtration fills the canned preservation of nitrogen or packaging immediately, and filling nitrogen pressure is 0.05 ~ 0.1MPa, and nitrogen gas purity is more than or equal to 99.9%.
6. the preparation method of extra virgin Camellia oil as claimed in claim 1, it is characterized in that: before the Slow-rate freezing cooling in step C, just squeeze in Camellia oil crude product to described, add by the withered 60-200 order fine powder worn into of step B gained tea, in refrigeration crystallization process, serve as nucleus, tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are (0.05-2): 100.
7. the preparation method of extra virgin Camellia oil as claimed in claim 6, is characterized in that: tea withered fine powder add-on and the described mass ratio just squeezing Camellia oil crude product are (0.5-2): 100.
8. an extra virgin Camellia oil, is prepared by either method described in claim 1-7.
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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 |
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Address after: 421311 Hengnan City, Hunan province gathered in the industrial park, Hengyang Applicant after: Hunan Dasanxiang Camellia Oil Technology Co., Ltd. Address before: 421311 Hengnan City, Hunan province gathered in the industrial park, Hengyang Applicant before: Hunan Great Sanxiang Camellia Technology Co., Ltd. |
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Inventor after: Lai Qiongwei Inventor after: Liu Haicheng Inventor after: Yang Yaoxue Inventor after: Cao Zhongguo Inventor after: Luo Qiulan Inventor after: Yu Dejun Inventor after: Liu Fang Inventor after: Duan Wenxiu Inventor after: Wu Dan Inventor after: Cheng Chaoli Inventor after: Zhou Xinping Inventor after: Lu Fangguo Inventor after: Pei Jianru Inventor after: Tian Hua Inventor after: Kong Yingge Inventor after: Huang Gui Inventor after: Zeng Qin Inventor after: Chen Jinsong Inventor before: Lai Qiongwei Inventor before: Cao Zhongguo Inventor before: Luo Qiulan Inventor before: Yu Dejun Inventor before: Liu Fang Inventor before: Duan Wenxiu Inventor before: Wu Dan Inventor before: Cheng Chaoli Inventor before: Pei Jianru Inventor before: Tian Hua Inventor before: Kong Yingge Inventor before: Huang Gui Inventor before: Zeng Qin Inventor before: Chen Jinsong Inventor before: Liu Haicheng Inventor before: Yang Yaoxue |
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