CN101665742A - Preparation technique of big-leaf seed tea seed oil - Google Patents

Preparation technique of big-leaf seed tea seed oil Download PDF

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CN101665742A
CN101665742A CN200910095023A CN200910095023A CN101665742A CN 101665742 A CN101665742 A CN 101665742A CN 200910095023 A CN200910095023 A CN 200910095023A CN 200910095023 A CN200910095023 A CN 200910095023A CN 101665742 A CN101665742 A CN 101665742A
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oil
seed
leaf
big
tea seed
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CN200910095023A
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Chinese (zh)
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陈军
陈拥军
余兰平
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陈军
陈拥军
余兰平
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Abstract

The invention discloses a preparation technique of big-leaf seed tea seed oil. The preparation technique comprises the following steps: (1) squeezing the big-leaf seed tea seed oil: removing impurities, drying, husking, separating husks and kernels, softening, rolling embryos, braising, stir-frying and squeezing; and (2) refining the big-leaf seed tea seed oil: degumming raw oil, deacidifying, washing with water, dewatering, decolouring, deodorizing and filtering. The big-leaf seed tea seed oil prepared by the technique has the advantages of high oil output rate, superior oil quality, clear, bright and transparent colour, no bitter taste, pure fragrance and good mouth feel, and the nutritive value of the big-leaf seed tea seed oil is furthest protected. The big-leaf seed tea seed oil is not easy to be oxidized and deteriorate, has stable oil quality, safety, no toxicity, no side effect, and favorable properties of storage resistance and high-temperature resistance, is a better materialfor processing powdered oil, oleomargarin, salad oil and shortening oil and also can be used for cosmetics and medical oil.

Description

A kind of preparation technology of big-leaf seed tea seed oil
Technical field
The present invention relates to a kind of preparation technology of edible vegetable oil, relate in particular to a kind of with the perennial evergreen xylophyta---the tea seed of large leaf tea is the preparation technology of raw material squeezing and purified edible vegetable oil.
Background technology
Edible oil is the consumer's goods that it is essential that people live, and provides the important foodstuffs of human body heat energy and indispensable fatty acid, the absorption of promotion liposoluble vitamin.Along with China's rapid development of economy, the significantly raising of living standards of the people, people to the quality of edible oil and quantitative requirement also in continuous lifting.Main in the world edible vegetable oil has at present: soybean oil, rapeseed oil, Oleum Gossypii semen, peanut oil, Trisun Oil R 80, sesame oil, Semen Maydis oil, plam oil, Oleum Cocois, sweet oil and oil tea oil, wherein back four kinds is xylophyta oil.Tea seed oil is a kind of food oils that squeeze from the kind benevolence of tea tree, and tea seed oil is nutritious, and is best in quality, is the high-grade xylophyta oil that is better than plam oil, Oleum Cocois.Big-leaf seed tea seed oil is a kind of in numerous tea seed oils.China has the edible history of extraction tea seed oil from tea-seed for a long time, but because processing technology is relatively backward, the tea seed oil for preparing remains in some problems in all many-sides such as color and luster, mouthfeels, thereby makes tea seed oil do not widelyd popularize.Especially then never obtain effective extraction and application especially at large leaf tea seed.
China is Tea Production big country, at present, most of tea-seed is used as castoff burning or abandons, especially in Yunnan, along with Leaf of Assam Tea quilt more people's understanding and acceptance, Leaf of Assam Tea all has good market outlook at home in the world, Leaf of Assam Tea is that raw material is made through special complete processing with large leaf tea just, the turnout of Leaf of Assam Tea is huge, thereby a large amount of large leaf tea-seed is used as castoff burning or abandons, and is very unfortunate.Large leaf Camellia Theaceae Camellia is the perennial evergreen xylophyta.The physics of big-leaf seed tea seed oil, chemical property are very similar with sweet oil to oil tea oil, unsaturated fatty acids is based on oleic acid and linolic acid in the molecule, wherein oleic acid content is between 40%-57%, modern science has confirmed to contain the thermotolerance of monounsaturated fatty acids of a unsaturated link(age) and oxidation-resistance than the polyunsaturated fatty acid height that contains 2 above unsaturated link(age)s, and more excellent physiologically active is arranged, be considered to the healthy lipid acid of a class.Do not contain the component that erucic acid, mountain Yu's acid etc. are difficult to digest and assimilate in the big-leaf seed tea seed oil, be easy to be absorbed by human consumption; Therefore also do not contain linolenic acid in the big-leaf seed tea seed oil, be difficult for deterioration by oxidation, oil is stable, has anti-storage and resistant to elevated temperatures superperformance, be processing powder powder oil, oleomargarine, salad oil, shortening than good material.Through purified big-leaf seed tea seed oil Heat stability is good, be difficult for deterioration by oxidation, safety non-toxic, have no side effect, can be used for superior cosmetics and medical oil as sweet oil, Prunus amygdalus oil and camellia seed oil, so available big-leaf seed tea seed oil prepares treatment and skin care product.
The production technique of traditional tea seed oil has just squeezes out crude oil, also have through refining, but all have some defectives: 1, contain tea saponin without the purified crude oil, bitter has throw out, influences outward appearance and mouthfeel; 2, not enough before the tea-seed squeezing that has without oven dry or oven dry degree, moisture content in the raw material is too high, phenomenons such as going mouldy, become sour easily in the storage process, cause the grease deterioration in the tea-seed, acid value is too high, simultaneously, the moisture content in the raw material is too high, also can cause tea saponin and other materials that influence mouthfeel to dissolve in the crude oil; 3, the expressing process that has is without steam frying, roll technology such as embryo, and temperature is low excessively, and protein etc. do not pass through denaturing treatment, enter crude oil in the expressing process together, and grease can not squeeze out fully, and oil yield rate is low; 4, shell benevolence is separated fully after peeling off, steam and conduct heat inhomogeneously when frying, be difficult for cooking, steaming, become pasty state during squeezing easily, easy clogged oil line, oil yield is low, and the device processes amount is little, and increases the weight of wear and tear in machines, the tooling cost height; 5, removing aspect the free fatty acids, no matter crude oil acid value height all adopts the chemical process that adds alkali, chemical refining can deviate to hang down the lipid acid in the acid value crude oil really effectively, but for high acid value crude oil, need the alkali number of adding excessive, buck and oily emulsification separate very difficult; 6, in the operation of washing, use purified water, tea saponin is removed not thorough.
Summary of the invention
Technical problem to be solved by this invention is, a kind of preparation technology of edible vegetable oil is provided, especially after a kind of preparation technology to existing tea seed oil improves, being used for the perennial evergreen xylophyta---the tea seed of large leaf tea is the technology that raw material squeezing and purified prepare big-leaf seed tea seed oil.With this prepared big-leaf seed tea seed oil, oil yield height, oil is good, and color and luster is limpid transparent, no bitter taste, and fragrance is pure, and mouthfeel is good, has protected the nutritive value of big-leaf seed tea seed oil to greatest extent.
In order to solve the problems of the technologies described above, the preparation technology of a kind of big-leaf seed tea seed oil of the present invention may further comprise the steps:
(1) squeezing of big-leaf seed tea seed oil:
A, large leaf tea seed are removed impurity to foreign matter content<0.5%;
B, large leaf tea seed are dried to moisture<5%;
C, large leaf tea seed are peeled off, and shell benevolence is separated;
D, softening roll embryo, under 30~80 ℃ temperature softening 10~40 minutes, adjust moisture to 5~15%, roll then embryo to thickness less than 1mm, large leaf tea seed embryo;
E, steam to fry, large leaf tea seed embryo steamed 20~50 minutes, improve temperature to 80~125 ℃, fried 10~40 minutes, to water content less than 5%, large leaf tea seed steams the stir-fry embryo;
F, squeezing get large leaf tea seed crude oil;
(2) refining of big-leaf seed tea seed oil:
A, degumming raw oil: it is 85% phosphoric acid that crude oil is heated to after 40~80 ℃ the concentration that adds oil mass 0.1~1%, keeps 40~90 ℃ of bath temperatures stirrings 10~40 minutes;
The crude oil of b, depickling: acid value 〉=20mg/g adopts physical method to remove free fatty acids, and the crude oil of acid value<20mg/g adopts chemical process to carry out alkali refining and removes free fatty acids;
C, washing: wash with salt solution;
D, dehydration;
E, decolouring: bleaching temperature is 80~125 ℃, and the atlapulgite with 1.5~5.0% decoloured 10~50 minutes, filter the decolouring big-leaf seed tea seed oil;
F, deodorization: deodorization 0.5~3h under vacuum tightness-0.1MPa, 100~220 ℃ of conditions of temperature gets the deodorization big-leaf seed tea seed oil;
G, filtration.
The preparation technology of a kind of big-leaf seed tea seed oil of the present invention, the squeezing c of described step (1) big-leaf seed tea seed oil,, described shell benevolence is separated the large leaf tea seed shell that removes 80% or more, remove a part of tea-seed shell after, shell-containing rate is 10~15% in the shell benevolence mixing large leaf tea seed; The squeezing d of described step (1) big-leaf seed tea seed oil,, the described softening proembryo of rolling is broken into 5~12 lobes with tea-seed benevolence earlier; The refining b of described step (2) big-leaf seed tea seed oil,, described chemical process removes free fatty acids for adding NaOH solution; Described physical method is the method for vacuum distilling; The refining c of described step (2) big-leaf seed tea seed oil,, described brine concentration is 1-5%, add-on is 8~15% of an oil mass; The refining g of described step (2) big-leaf seed tea seed oil,, before described filtration, add 1~5% pulverizer press for extracting juice cake Titian.
The preparation technology of a kind of big-leaf seed tea seed oil of the present invention, its key step is: (one) impurity elimination, may contain certain big assorted and little mixing in the large leaf tea-seed of purchase, before peeling off, must remove by the sieve screening earlier, remove iron filings in the large leaf tea seed with magnetic separator again, with winnowing machine remove in the large leaf tea seed stone to foreign matter content below 0.5%.(2) oven dry, it is too high that large leaf tea seed contains moisture, and the seed shell is weak to be difficult for brokenly, and plasticity is big, and material is rushed down in squeezing easily, and therefore, the too high large leaf tea-seed of reply water content is dried, and makes its moisture less than 5%, so that peel off and roll embryo.The tea-seed oven dry is very important in oil expression processing, and the quality of tea-seed oven dry has a direct impact oil yield.Drying plant generally adopts tower dryer, also can adopt plate dryer.(3) peel off, shell benevolence separates, the weight of tea shell accounts for 1/3 of tea benevolence, as the oil expression of band shell, the tea shell will be inhaled part oil, so the oil expression of must peeling off improves the oil yield and the oily quality of tea-seed.Want shell benevolence to separate after peeling off, when shell benevolence is separated, control shell benevolence ratio, remove more than 80% of tea-seed shell, will keep the tea-seed shell in the benevolence in 20%.Its reason is to increase mutual friction mutually when rolling embryo and grinding powder, steams and plays ventilative the heat transfer when frying, and plays the pore effect during squeezing, avoids into pasty state in rolling embryo and rolling, and plays loose effect, is difficult for clogged oil line.Play the effect of preventing the antidiarrheal material with the expeller squeezing, in steaming the process of frying, conduct heat mutually, make material cook easily, steam.Also can alleviate wear and tear in machines on the other hand, cut down finished cost, and can improve the treatment capacity of equipment.Because the shell of tea-seed is more crisp, so can select for use toothed roll crusher, use the mode of vibratory screening apparatus and air draught more earlier with seed damage, carry out shell benevolence and separate.After shelling, rate of hull in kernel is generally 10~15%.(4) the softening embryo that rolls owing to the particle of large leaf tea-seed is bigger, rolls the embryo processing so need soften.Softening purpose of rolling embryo is to adjust large leaf tea-seed moisture, by rolling embryo the tea-seed distortion is rolled carefully, makes the tealeaves seed size even, is beneficial to and steams moisture penetration when frying.The softening proembryo of rolling is broken into 5~12 lobes with the large leaf tea seed kernel earlier, with softening 10~40 minutes of 30~80 ℃ of softening kettles, adjusts moisture to 5~15%, then with flaker roll embryo to thickness less than 1mm, the large leaf tea seed cake.(5) steam to fry, steamed embryo 20~50 minutes, improve temperature to 80~125 ℃, under this temperature, fry 10~40 minutes to water content be 5~12%, large leaf tea seed steams and fries embryo.Steaming stir-fry is tea-seed to be given birth to embryo become cooked flake, makes stock be in the effusive state of optimum oil content, is the preceding critical operation together of squeezing.Steam when frying because the invasion effect of moisture and heat, complicated physics and chemical transformation take place in the material embryo, mainly be that gravitation reduces between oil molecule, oil surface tension reduces, and oil viscosity declines to a great extent, protein coagulating, starch pasting etc. cause cell rupture, fused mutually, the tight knot of cell Dissolve things inside, the plasticity-of material embryo increases, and non-hydrophilic oil content is separated.(6) squeezing machine 4~12r/ minute used in squeezing, squeezes to get large leaf tea seed crude oil in 40~150 seconds; (7) come unstuck, the squeezing crude oil is heated to after 40~80 ℃ 85% the phosphoric acid that adds oil mass 0.1~1%, keeps 40~90 ℃ of bath temperatures stirrings 10~40 minutes.(8) crude oil of depickling: acid value<20mg/g adopts chemical process to carry out alkali refining and removes free fatty acids, and promptly the crude oil of low acid value adds the NaOH solution stirring 0.5~2h of 12Be ° excess alkali quantity 0.1~0.5%, static 1~4h after the neat soap moulding.The crude oil of acid value 〉=20mg/g adopts physical method to remove free fatty acids, and promptly the crude oil of high acid value is at vacuum tightness 100~500Pa, 200~350 ℃ of distillation temperatures, distillation time 0.5~3h.(9) washing, upper strata edible vegetable oil washs to washings extremely neutral with 1~5% salt solution.This step is to utilize the big advantage of tea saponin solubleness in salt solution, in the process that constantly stirs with oil in tea saponin fully contact, tea saponin in the oil is transferred in the salt solution, left standstill back oily water separation, the tea saponin of finally removing in the crude oil gets neutral no tea saponin oil.Should neutrality do not have 90 ℃ of tea saponin oil vacuum 99kPa, temperature dewater anhydrous oil.(10) decolouring adds activated decoloration in anhydrous oil, and bleaching temperature is 80~120 ℃, and the carclazyte consumption is 1.5~5.0%, bleaching time 10~50 minutes, and the decolouring after-filtration gets colourless edible vegetable oil.(11) deodorization, deodorization 0.5~3h under vacuum tightness-0.1MPa, 100~220 ℃ of conditions of temperature gets the deodorization big-leaf seed tea seed oil.(12) Titian, the pulverizer of adding 1~5% presses the cake powder, and 40~80 ℃ were stirred 10~40 minutes.Because the color and luster and the fragrance of oil product all decrease after the refining, and traditional oil product aromatic flavour, press cake so after deodorization, add pulverizer, can increase the fragrance of oil product, deepen color and luster, reach the requirement of the color of traditional oil product, and the stable and good quality of modern refining oil is arranged again.Filter (13), gets the finished product big-leaf seed tea seed oil.
Beneficial effect of the present invention: owing to adopted the above technology, the present invention has following advantage: carry out the benevolence shell after 1, peeling off and separate, control benevolence shell ratio, in tea seed kernel, keep a certain proportion of tea seed shell, when strip plate or stone roller powder, can increase the phase mutual friction, steam and playing ventilative the heat transfer when frying, play the pore effect during squeezing, avoid into pasty state at strip plate or in rolling, play loose effect, be difficult for clogged oil line.Play the effect of preventing the antidiarrheal material with the expeller squeezing, in steaming the process of frying, conduct heat mutually, make material cook easily, steam.Also can alleviate wear and tear in machines simultaneously, cut down finished cost, and can improve the treatment capacity of equipment.2, removing aspect the free fatty acids, adopting chemical process and physical method to carry out depickling respectively according to the height of crude oil acid value; The crude oil of low acid value adopts the technology separation removal free fatty acids of traditional chemical alkali refining, and the buck amount of required adding is little, and cost is low, and is effective; Then adopt physical vacuum distillatory method for the high crude oil of acid value, free fatty acids is distilled away, avoided the not segregative disadvantage of buck and crude oil emulsification.3, in the water-washing step, in purified water, add a certain amount of edible salt, utilize the big advantage of tea saponin solubleness in salt solution, in the process that constantly stirs with oil in tea saponin fully contact, tea saponin in the oil is transferred in the salt solution, left standstill back oily water separation, it is totally thorough to remove tea saponin.4, color and luster and the fragrance owing to oil product after the refining all decreases, and traditional oil product aromatic flavour, press cake so after decolouring, add pulverizer, can increase the fragrance of oil product, deepen color and luster, reach the requirement of the color of traditional oil product, and the stable and good quality of modern refining oil is arranged again.Adopt preparation technology of the present invention, the oil yield height, oil is good, and color and luster is limpid transparent, no bitter taste, fragrance is pure, and mouthfeel is good, has protected the nutritive value of big-leaf seed tea seed oil to greatest extent, has good social benefit and economic benefit.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment one: go big assorted, little assorted with TQLZ100 * 200 type vibratory cleanings sieve sieve 500 kilograms of fresh large leaf tea seeds, with the iron filings in the magnetic separator removing large leaf tea seed, winnowing machine remove in the large leaf tea seed stone to foreign matter content below 0.1%, dry to moisture 3% with 80 ℃ of plate dryers again and must dry large leaf tea seed; To dry large leaf tea seed peels off with the toothed roll crusher fragmentation, with machine for separating kernel and shell the benevolence shell is separated, making large leaf tea seed shell-containing rate is 10%, with crusher seed benevolence is broken into 6~8 lobes more again, softened 20 minutes for 50 ℃ with softening kettle, adjust moisture to 10%, rolling embryo to thickness with flaker then is 0.5mm, steams embryo 40 minutes, improve temperature to 115 ℃, 115 ℃ steam down fry 20 minutes to water content be 4%, with 202-A3 type squeezing machine 10r/ minute, squeeze and got large leaf tea seed crude oil in 100 seconds; Crude oil is heated to after 50 ℃ 85% the phosphoric acid that adds oil mass 0.5%, keeps 80 ℃ of bath temperatures to stir after 20 minutes, detects oily acid value, and acid value<20mg/g then adds the NaOH solution stirring 1h of 12Be ° excess alkali quantity 0.3%, static 2h after the neat soap moulding; Acid value 〉=20mg/g is then at vacuum tightness 300Pa, 300 ℃ of distillation temperatures, and distillation time 2h distills away free fatty acids, reaches the effect of falling acid value.Upper strata edible vegetable oil add oil mass 10%, concentration is that 3% salt water washing is to washings neutrality.Should neutrality do not have 90 ℃ of tea saponin oil vacuum 99kPa, temperature dewater anhydrous oil.Add 2.5% atlapulgite then, decolouring is 40 minutes under 110 ℃ of temperature, filter decolouring edible vegetable oil; Deodorization 1h under vacuum tightness-0.1MPa, 180 ℃ of conditions of temperature at last adds 3% pulverizer and presses the cake powder, and 80 ℃ were stirred 10 minutes, Titian and deepen color and luster, filter at last the refining big-leaf seed tea seed oil.
Embodiment two: the 500kg large leaf tea seed that will place for a long time goes big assorted, little assorted with the vibratory cleaning sieve, with the iron filings in the magnetic separator removing large leaf tea seed, winnowing machine remove in the large leaf tea seed stone to foreign matter content below 0.3%, dry to moisture 2% with 90 ℃ of plate dryers again and must dry large leaf tea seed; To dry large leaf tea seed peels off with the toothed roll crusher fragmentation, with machine for separating kernel and shell the benevolence shell is separated again, make large leaf tea seed shell-containing rate about 12%, with crusher seed benevolence is broken into 6~10 lobes again, softened 15 minutes for 70 ℃ with softening kettle, adjust moisture to 8%, rolling embryo to thickness with flaker then is 0.7mm, steams embryo 50 minutes, improving temperature to 120 a ℃ steaming fried 30 minutes, to water content be 3%, with 202-A3 type squeezing machine 12r/ minute, squeeze 120 seconds must large leaf tea seed crude oil; Crude oil is heated to after 60 ℃ 85% the phosphoric acid that adds oil mass 0.7%, keeps 85 ℃ of bath temperatures to stir after 25 minutes and separates, and detects oily acid value, and high acid value crude oil is at vacuum tightness 200Pa, 260 ℃ of distillation temperatures, and distillation time 2h distills away free fatty acids; Low acid value crude oil then adds the NaOH solution stirring 1.5h of 12Be ° excess alkali quantity 0.4%, static 2h after the neat soap moulding.Edible vegetable oil add oil mass 10%, concentration be 4% salt water washing to washings neutrality, should neutrality do not have tea saponin oil with 90 ℃ of vacuum 99kPa, temperature dewater anhydrous oil.Add 3.5% atlapulgite then, decolouring is 30 minutes under 100 ℃ of temperature, filter decolouring edible vegetable oil, vacuum deodorization adds 4% pulverizer again and presses the cake powder, 60 ℃ were stirred 15 minutes, filtered the big-leaf seed tea seed oil that gets product.
It below only is part embodiment of the present invention; wherein in the squeezing step thickness of the degree of large leaf tea seed oven dry, softening temperature of rolling embryo and softening time, embryo, steam stir-fry time and temperature etc.; and all multiple choices can be arranged at mesohalobic consumption of refinement step and concentration; as long as used technology of the present invention, all should fall into protection scope of the present invention.

Claims (7)

1, a kind of preparation technology of big-leaf seed tea seed oil is characterized in that, described preparation technology may further comprise the steps:
(1) squeezing of big-leaf seed tea seed oil:
A, large leaf tea seed are removed impurity to foreign matter content<0.5%;
B, large leaf tea seed are dried to moisture<5%;
C, large leaf tea seed are peeled off, and shell benevolence is separated;
D, softening roll embryo, under 30~80 ℃ temperature softening 10~40 minutes, adjust moisture to 5~15%, roll then embryo to thickness less than 1mm, large leaf tea seed embryo;
E, steam to fry, large leaf tea seed embryo steamed 20~50 minutes, improve temperature to 80~125 ℃, fried 10~40 minutes, to water content less than 5%, large leaf tea seed steams the stir-fry embryo;
F, squeezing get large leaf tea seed crude oil;
(2) refining of big-leaf seed tea seed oil:
A, degumming raw oil: it is 85% phosphoric acid that crude oil is heated to after 40~80 ℃ the concentration that adds oil mass 0.1~1%, keeps 40~90 ℃ of bath temperatures stirrings 10~40 minutes;
The crude oil of b, depickling: acid value 〉=20mg/g adopts physical method to remove free fatty acids, and the crude oil of acid value<20mg/g adopts chemical process to carry out alkali refining and removes free fatty acids;
C, washing: wash with salt solution;
D, dehydration;
E, decolouring: bleaching temperature is 80~125 ℃, and the atlapulgite with 1.5~5.0% decoloured 10~50 minutes, filter the decolouring big-leaf seed tea seed oil;
F, deodorization: deodorization 0.5~3h under vacuum tightness-0.1MPa, 100~220 ℃ of conditions of temperature gets the deodorization big-leaf seed tea seed oil;
G, filtration.
2, according to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 1, it is characterized in that, the squeezing c of described step (1) big-leaf seed tea seed oil,, described shell benevolence is separated the large leaf tea seed shell that removes more than 80%.
3, according to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 1, it is characterized in that, the squeezing d of described step (1) big-leaf seed tea seed oil,, the described softening proembryo of rolling is broken into 5~12 lobes with tea-seed benevolence earlier.
4, according to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 1, it is characterized in that, the refining b of described step (2) big-leaf seed tea seed oil,, described chemical process removes free fatty acids for adding NaOH solution; Described physical method is the method for vacuum distilling.
5, according to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 1, it is characterized in that, the refining c of described step (2) big-leaf seed tea seed oil,, described brine concentration is 1-5%, add-on is 8~15% of an oil mass.
6, according to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 1, it is characterized in that, the refining g of described step (2) big-leaf seed tea seed oil,, before described filtration, add 1~5% pulverizer press for extracting juice cake Titian.
According to the preparation technology of the described a kind of big-leaf seed tea seed oil of claim 2, it is characterized in that 7, after a part of tea-seed shell was removed in described shell benevolence separation, shell-containing rate was 10-15% in the shell benevolence mixing large leaf tea seed.
CN200910095023A 2009-09-29 2009-09-29 Preparation technique of big-leaf seed tea seed oil CN101665742A (en)

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CN107312617A (en) * 2017-07-31 2017-11-03 田林县康益土特产有限公司 A kind of former odor type camellia oil and preparation method thereof
CN107325882A (en) * 2017-07-31 2017-11-07 田林县康益土特产有限公司 A kind of delicate fragrance type camellia oil and preparation method thereof
CN107474945A (en) * 2017-09-26 2017-12-15 界首市致富家庭农场 A kind of walnut oil method for finishing manufactured
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CN104745293A (en) * 2015-02-28 2015-07-01 湖南唐臣粮油实业有限公司 Control method of camellia seed moisture
CN104745292B (en) * 2015-02-28 2018-04-13 湖南唐臣粮油实业有限公司 A kind of production method of tea-seed oil
CN104745293B (en) * 2015-02-28 2018-04-13 湖南唐臣粮油实业有限公司 A kind of control method of tea seed moisture
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CN106147985A (en) * 2015-04-13 2016-11-23 池州市秋江油脂蛋白科技有限公司 A kind of Semen Gossypii milling process
CN105838497A (en) * 2016-04-13 2016-08-10 许昌维尔康植物油有限公司 Method for preparing hot-molding pressed vegetable oil
CN106318618A (en) * 2016-10-12 2017-01-11 贵州省黎平县黔香园油脂有限公司 Preparation technique for camellia oil
CN106566650A (en) * 2016-11-11 2017-04-19 江西省蚕桑茶叶研究所 Production and processing method of natural tea seed oil
CN107509821A (en) * 2017-07-31 2017-12-26 田林县康益土特产有限公司 A kind of mother and baby's edible oil and preparation method thereof
CN107312617A (en) * 2017-07-31 2017-11-03 田林县康益土特产有限公司 A kind of former odor type camellia oil and preparation method thereof
CN107325882A (en) * 2017-07-31 2017-11-07 田林县康益土特产有限公司 A kind of delicate fragrance type camellia oil and preparation method thereof
CN107474945A (en) * 2017-09-26 2017-12-15 界首市致富家庭农场 A kind of walnut oil method for finishing manufactured
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