CN108998221A - A kind of preparation method of giving off a strong fragrance camellia seed oil - Google Patents
A kind of preparation method of giving off a strong fragrance camellia seed oil Download PDFInfo
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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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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
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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
- C11B3/00—Refining fats or fatty oils
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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
- C11B3/10—Refining fats or fatty oils by adsorption
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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
- C11B3/12—Refining fats or fatty oils by distillation
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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
- C11B7/00—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
- C11B7/0075—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils by differences of melting or solidifying points
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Abstract
A kind of preparation method of giving off a strong fragrance camellia seed oil disclosed by the invention, is related to agricultural product intensive processing technical field, and preparation process is as follows: (1), camellia oleifera fruit selection；(2), dry: 1., primary drying；2., redrying；(3), sieve；(4), crush；1., single pressing (5), squeeze:；2., twice pressing；3., squeeze three times；(6), adsorption treatment: 1., single pressing oil adsorption treatment；2., twice pressing oil adsorption treatment；(7), freezing processing: 1., adsorption treatment single pressing oil freezing processing；2., adsorption treatment twice pressing oil freezing processing；(8), mixed once；(9), single flash；(10), secondary mixing；(11), second distillation；(12), mix three times.Have the characteristics that faint scent is dense, nutritional ingredient efficiently concentrating, can be not only used for preparing giving off a strong fragrance camellia seed oil, it can also be used to prepare other Luzhou-flavor vegetable edible oils.
Description
Technical field
The present invention relates to agricultural product intensive processing technical field, especially a kind of preparation method of giving off a strong fragrance camellia seed oil.
Technical background
Oil tea is the distinctive woody oleiferous plants in China and the oil crops that China greatly develops.The comprehensive utilization valence of oil tea
Value is very high, is not only rich in neutraceutical active ingredients abundant, also has unique fragrant.Although traditional cooked mode is able to satisfy
The single refining requirement of camellia seed oil, but most giving off a strong fragrance ingredient is volatilized, and nutritional ingredient is also lost, and oil has been seriously undermined
The integrated quality of tea-seed oil.
" a kind of processing of giving off a strong fragrance nutrition camellia seed oil disclosed in Chinese patent (number of patent application 201310324096.2)
Method " comprising: (1) tea seed is peeled off drying after, moisture is dried to 8% or less；(2) tea seed dried, is fried
Seed；(3) tea seed fried, extracts oil；(4) by the pulverizer grinds of the tea-seed pancake after squeezing, moisture drying to 3%
Below；(5) after expressed oil filtering, under room temperature, citric acid solution is added, with continuous stirring, reacts 90min；(6) after reacting
Expressed oil under room temperature, is added the NaCl solution that concentration is 5%, mixes slowly 30min, release upper edible vegetable oil after standing；(7) will
Grinds and the tea-seed pancake dried, are added in edible vegetable oil, continuously stir lower filters pressing, after the assay was approved as finished product.Using
After the invention, effectively improve the micro-nutrient composition of product, camellia seed oil aromatic flavour is direct-edible, be suitble to it is cold and dressed with sauce,
Burn, fry etc., meet pursuit of the people to high quality tea oil.
Another Chinese patent (number of patent application 201510634062.2) it is disclosed " a kind of giving off a strong fragrance nutrition camellia seed oil
Processing method " includes the following steps: a, tea seed, rice bran and niblet is sent into fogger, and shower water is soaked, defeated
Send the tempering into tempering device；B, microwave heating；C, it squeezes and tea seed crude oil is made；D, tea seed crude oil crystallized, filtered, obtained
Giving off a strong fragrance nutrition camellia seed oil.Camellia seed oil obtained by the invention has pure, strong fragrance and flavour, and VE, oryzanol and
The content of unsaturated fatty acid is higher, full of nutrition.
There are also " a kind of preparations of giving off a strong fragrance camellia seed oil disclosed in Chinese patent (number of patent application 201610288338.0)
Method ", processing step include: to clear up, bake, crushing, slurrying, washing Titian, being centrifuged de- slag, adsorption and purification, fused flavouring.
The invented technology is simple, and not complicated refining process, equipment investment is few, and low energy consumption, does not generate the three wastes, environmental-friendly, is suitble to
Industrialized production；The technique proposes oily efficiency up to 90% or more, efficiently solves grouts Residual oil in existing tea seed liquefaction technology
High problem.Meanwhile camellia seed oil made from the invention meets country-level squeezing camellia seed oil standard, and has strong, pure
The exclusive fragrance of positive camellia seed oil, and active nutrient component retention degree is high, without any dissolvent residual.
Technology contents
A kind of preparation side of the purpose of the present invention is to provide faint scent dense, nutritional ingredient efficiently concentrating camellia seed oil
Method.
To achieve the above object, the technical solution adopted by the present invention is that inventing a kind of preparation side of giving off a strong fragrance camellia seed oil
Method, preparation process are as follows:
(1), camellia oleifera fruit selects:
It is that the dark green luxuriant tea oil tree of 10 years or more the age of trees of selection, cotyledon is picked after the Frost's Descent, without go mouldy, without insect pest
Camellia oleifera fruit is as raw material；
(2), dry:
1., primary drying: by camellia oleifera fruit put into drying receptacle in, first container bottom stacking accounts for container depth 10-15%
Dried object, then by camellia oleifera fruit put into dried object on, with a thickness of the 25-35% of container depth, then, input camellia oleifera fruit will be accounted for
The dry powder of weight 10-20% is sprinkled into the surface layer of camellia oleifera fruit to being completely covered；Then, dried object is put on dry powder again, thickness
For the 5-8% of container depth, then, then camellia oleifera fruit put into above the dried object in container, with a thickness of the 25- of container depth
35%, and then be sprinkled into camellia oleifera fruit and be completely covered with the dry powder of input camellia oleifera fruit weight 10-20%；Then, in temperature
It is handled 6-8 days in the environment of being 36-48 DEG C；Thereafter, camellia oleifera fruit is sieved, removes dried object and dry powder, obtains primary drying oil tea
Fruit, it is spare；
2., redrying: first microwave vacuum dryer basin bottom contain moisture content be 10-20% it is inorganic
Salt with a thickness of the 3-6% of basin depth, then primary drying camellia oleifera fruit is stacked on inorganic salts, and by primary drying oil tea
Fruit stirs in disk back and forth to the whole contact inorganic salts in surface, primary drying camellia oleifera fruit contain with a thickness of basin depth
75-85%；Then, drying all pops to oil-tea camellia husks at 65-70 DEG C of temperature, pressure 5-8KPa, becomes redrying oil
Tea fruit, it is spare；
(3), sieve:
By the screened machine processing of redrying camellia oleifera fruit, oil-tea camellia husks are removed, camellia seed kernel is collected, it is spare；
(4), crush:
After camellia seed kernel and adsorbent are mixed by weight the ratio of 6-8:1,100 mesh or more are processed into through pulverizer
Camellia seed kernel powder, and sealing stirring 2.5-4.0h in temporary storage tank is put into, it is spare；
(5), squeeze:
1., single pressing: camellia seed kernel powder is fitted into cold pressing machine, covers mounting clip sleeve and fixation in its oil outlet, so
Afterwards, oil content of the squeezing processing into camellia seed kernel muffin is down to 12-14% at 0-10 DEG C, collects filtered out by collet respectively
The single pressing camellia seed kernel muffin in single pressing oil and cold pressing machine come, it is spare；
The collet material uses cotton yarn, and pore size control fills up adsorbent at 5.0 microns, and in the interior centre of collet；
2., twice pressing: remove the collet for being sleeved on cold pressing machine oil outlet, by single pressing camellia seed kernel muffin,
It is squeezed again at 0-10 DEG C, the oil content handled into single pressing camellia seed kernel muffin is down to 6-8%, collects respectively
The twice pressing oil and twice pressing camellia seed kernel muffin squeezed out, it is spare；
3., squeeze three times: the insertion of the oil outlet of cold pressing machine is molten equipped with the buffer salt that mass fraction is 4.5-6.5%
The tank bottom of liquid, the charge weight of buffer salt solution are the 55-65% of tank depth, and oil outlet is arranged in tank deck, by twice pressing oil tea
Seed benevolence muffin is squeezed again at 0-10 DEG C, and the oil content handled into twice pressing camellia seed kernel muffin is lower than 0.5%,
It collects squeezing and filters out the expressed oil three times come, it is spare；
(6), adsorption treatment:
1., single pressing oil adsorption treatment: under conditions of pressure 0.75-1.25MPa, 0-10 DEG C of temperature, will once press
Oil expression, which is pumped into, to be filled with by basic activated carbon and bentonite by an adsorbent of the weight ratio mixture of 2-3:1 or by bentonite
In filter of zeolite granular of the partial size less than 0.2mm by an adsorbent of the weight ratio composition of 1.5-2.5:1, circulation
6-8h is handled, adsorption treatment single pressing oil is obtained, it is spare；
2., twice pressing oil adsorption treatment: under conditions of pressure 0.75-1.25MPa, 0-10 DEG C of temperature, by secondary pressure
Oil expression be pumped into be filled with by neutral active charcoal, atlapulgite, pulverized limestone by 1:1-3:0.1-0.4 weight ratio mixture it is secondary
Adsorbent is less than the secondary suction that the zeolite granular of 0.2mm is formed by the weight ratio of 1.5-2.5:1 by atlapulgite and partial size
In attached dose of filter, circular treatment 6-8h obtains adsorption treatment twice pressing oil, spare；
(7), freezing processing:
1., adsorption treatment single pressing oil freezing processing: by adsorption treatment single pressing oil put into refrigerating plant in, simultaneously
It is added and accounts for adsorption treatment single pressing oil weight 4-8%, the buffered saline solution that mass fraction is 15-25%, first at normal temperature
By the rate stir process 30-45min of 800-1200r/min, it is then turned on frozen mode, the freezing processing 35- at -15-0 DEG C
Then 50h under room temperature filters the adsorption treatment single pressing oil of freezing processing through vacuumfilter at 0-10 DEG C, receive
The freezing processing single pressing oil that collection clarification filters out, it is spare；
2., adsorption treatment twice pressing oil freezing processing: by adsorption treatment twice pressing oil put into refrigerating plant in, simultaneously
It is added and accounts for adsorption treatment twice pressing oil weight 10-15%, the inorganic salt solution that mass fraction is 23-28%, first in room temperature
800-1000r/min rate stir process 30-40min is pressed down, is then turned on frozen mode, the freezing processing 35- at -15-0 DEG C
Then 50h under room temperature filters the adsorption treatment twice pressing oil of freezing processing through vacuumfilter at 0-10 DEG C, receive
The freezing processing twice pressing oil that collection clarification filters out, it is spare；
(8), mixed once:
Freezing processing single pressing oil and freezing processing twice pressing oil are mixed, mixed once oil is obtained, it is spare；
(9), single flash:
Mixed once oil is put into destilling tower tower reactor, while addition accounts for mixed once oil weight 5-12%, partial size is less than
The zeolite granular of 0.2mm, with account for mixed once oil weight 4-8%, partial size 0.5mm or more neutral active charcoal particle, mix
Afterwards, first distillation to no liquid flows out at 90-110 DEG C of tower temperature in the kettle, pressure 10-18KPa, then the liquid distilled out is shifted
It stands, be layered into liquid separation tank, extract a clarified oil liquid on upper layer, it is spare；Bottom temperature is risen to 160-200 DEG C again,
Distillation goes out to oil-free liquid stream under pressure 1-4KPa, collects the single flash oil liquid distilled out, spare；
(10), secondary mixing:
Single flash oil liquid is mixed with expressed oil three times, becomes secondary miscella, it is spare；
(11), second distillation:
Secondary miscella is put into destilling tower tower reactor, while being added and accounting for secondary miscella weight 5-8%, partial size in 0.5-
Bottom temperature after mixing, is risen to 160-180 DEG C by the zeolite granular of 1.2mm, is distilled at pressure 1-4KPa to oil-free liquid stream
Out, the second distillation oil liquid distilled out is collected, it is spare；
(12), mix three times:
Second distillation oil liquid and a clarified oil liquid are mixed to get giving off a strong fragrance camellia seed oil.
The dried object be by dry sawdust, dry bamboo scraps, hay powder by the weight ratio mixing of 2-3:1:0.5-0.8 and
At total moisture content is lower than 3%.
The dry powder is to be formed by pulverized limestone and calcium chloride by the weight ratio mixture of 2-4:1.
The adsorbent is that partial size is small less than the zeolite granular of 1.2mm or 100 mesh silica decoloration sand below or partial size
In the vermiculite granule of zeolite granular of the vermiculite granule or partial size of 0.5mm less than 1.2mm and partial size less than 0.5mm by 2-3:1's
The active carbon particle group of hybrid particles or the partial size zeolite granular less than 1.2mm and partial size 0.6-0.8mm of weight ratio composition
At hybrid particles.
The buffered saline solution be sodium carbonate and sodium bicarbonate by etc. the aqueous solution that is made into of weight ratios or sodium phosphate with
Dibastic sodium phosphate by etc. the aqueous solution that is made into of weight ratios or sodium sulfite and sodium hydrogensulfite by etc. the aqueous solution that is made into of weight ratios.
The inorganic salts be one of calcium chloride, calcium sulfate, sodium sulphate, dibastic sodium phosphate or four kinds by etc. weight ratios it is mixed
With forming.
The preparation method of giving off a strong fragrance camellia seed oil of the invention is screened oil tea fruit tree due to using, is avoided bad
Influence of the poor matter oil of matter camellia oleifera fruit referred and synthesized and prepared during following process by it to product quality；Meanwhile it is right
Camellia oleifera fruit takes a variety of drying modes, avoids tradition shelling pre-treatment overlong time, the defect of trivial operations, reduces simultaneously
The loss of nutritional ingredient in the process；Moreover, taking multiple low-temperature squeezing processing to camellia seed kernel, and to different squeezings
The camellia seed oil that stage collects carries out corresponding subsequent processing, can targetedly remove the impurity carried in camellia seed oil,
Nutrition and giving off a strong fragrance composition can efficiently be retained again；In addition, also taking different steamings to the expressed oil that the different squeezing stages collect
Evaporate mode, further purified the quality of camellia seed oil, avoid during washing, alkali cleaning, drying of traditional approach etc. at
Divide loss, thus, so that the giving off a strong fragrance composition and nutrition of prepared camellia seed oil are efficiently enriched with, it ensure that product
Quality.
Following table 1 is the effective ingredient detection data using giving off a strong fragrance camellia seed oil prepared by method of the invention
(content of 100g):
Table 1
It can be seen that from the data of table 1 above using giving off a strong fragrance camellia seed oil prepared by method of the invention, it is unsaturated
The strong enrichment of the former fragrant composition such as the rich in nutrition content such as fatty acid, especially n-amyl isovalerate, sabinene, acetal, isopentyl aldehyde,
Not only meet edible nutritional need, moreover it is possible to improve mouthfeel.
Specific embodiment
With reference to embodiments, the present invention is further illustrated.Following explanation is but this hair in a manner of enumerating
Bright protection scope is not limited thereto.
The preparation method of the giving off a strong fragrance camellia seed oil of the present embodiment, preparation process are as follows:
(1), camellia oleifera fruit selects:
It is that the dark green luxuriant tea oil tree of 10 years or more the age of trees of selection, cotyledon is picked after the Frost's Descent, without go mouldy, without insect pest
Camellia oleifera fruit (is selected, no matter the tea seed active constituent or oil content of fruit setting are all as raw material by the premise to tea oil tree
It is relatively high, ensure that camellia oleifera fruit includes the quality of camellia seed kernel, be convenient for subsequent operation)；
(2), dry:
1., primary drying: camellia oleifera fruit is put into drying receptacle, is first stacked in container bottom and accounts for the dry of container depth 12%
Dry object, then by camellia oleifera fruit put into dried object (dried object be by dry sawdust, dry bamboo scraps, hay powder by 2.5:1:0.6 weight ratio
Example mixes, and total moisture content is lower than 3%, similarly hereinafter) on, with a thickness of the 30% of container depth, then, input oil tea will be accounted for
The dry powder (dry powder is to be formed by pulverized limestone and calcium chloride by the weight ratio mixture of 3:1, similarly hereinafter) of fruit weight 15% is sprinkled into oil
The surface layer of tea fruit is to being completely covered；Then, dried object is put on dry powder again, with a thickness of the 7% of container depth, then, then
Camellia oleifera fruit is put into above the dried object in container, with a thickness of the 30% of container depth, and then with input camellia oleifera fruit weight
15% dry powder is sprinkled into camellia oleifera fruit and is completely covered；Then, it is handled 7 days in the environment of temperature is 42 DEG C；Thereafter, by oil tea
Fruit screening, removes dried object and dry powder, obtains primary drying camellia oleifera fruit, spare；
During above-mentioned primary drying, the addition of bottom dried object seals contact of the camellia oleifera fruit with external environment, keeps away
The infiltration of air and moisture is exempted from；The mixing of lime and calcium chloride is added, and efficiently can build dehydration environment, lime energy for camellia oleifera fruit
Water dispersion calorific value is absorbed, causes the temperature difference and pressure difference of tea seed inside and outside, the addition of calcium chloride further can promote moisture to inhale
It receives and forms fine and close interlayer, maintenance temperature, pressure difference environment with the lime of water suction；The slight alkali environment that lime water suction simultaneously is built,
The internal structure (that is: can carry out micro- react with organic acid, the flavones etc. in shell) that oil-tea camellia husks can also be destroyed, becomes oil-tea camellia husks
Must be more loose, promote the low-hanging fruit of subsequent redrying；In addition, the drying of which can avoid convection oven high temperature drying institute
Influence of the caused camellia oleifera fruit internal height accumulated temperature to active constituent and oil, and it is raw materials used it is simple, cost is relatively low.
2., redrying: first microwave vacuum dryer basin bottom contain moisture content be 15% inorganic salts
(inorganic salts be by calcium chloride, calcium sulfate, sodium sulphate, four kinds of dibastic sodium phosphate by etc. weight ratios mixture form), with a thickness of drying
The 5% of disk depth, then primary drying camellia oleifera fruit is stacked on inorganic salts, and primary drying camellia oleifera fruit is stirred back and forth in disk
To surface all contact inorganic salts, primary drying camellia oleifera fruit contain with a thickness of the 80% of basin depth；Then, in temperature 68
DEG C, drying all pops to oil-tea camellia husks and (that is: camellia oleifera fruit is made quickly to shell) under pressure 6KPa, become redrying camellia oleifera fruit,
It is spare；
(3), sieve:
By the screened machine processing of redrying camellia oleifera fruit, oil-tea camellia husks are removed, camellia seed kernel is collected, it is spare；
(4), crush:
By camellia seed kernel and adsorbent, (adsorbent is to be less than 0.5mm by 100 mesh silica decoloration sand below and partial size
Vermiculite granule in 2.5:1 weight ratio form hybrid particles) by weight 7:1 ratio mixing after, handled through pulverizer
At camellia seed kernel powder more than 100 mesh, and sealing stirring 3.2h in temporary storage tank is put into, it is spare；
In above-mentioned crushing process, by adsorbent and camellia seed kernel co-grinding, can make glue class contained in camellia seed kernel,
The impurity such as acids are largely adsorbed in advance, have both avoided the tradition for causing subsequent refining complicated because the impurity in crude oil is excessive
Problem, and dispersion effect can be played to camellia seed kernel crushed material, in subsequent press operation, it can be improved oil yield.
(5), squeeze:
1., single pressing: camellia seed kernel powder is fitted into cold pressing machine, covers mounting clip sleeve and fixation in its oil outlet, so
Afterwards, oil content of the squeezing processing into camellia seed kernel muffin is down to 12-14% (at this point, the thickness of camellia seed kernel muffin at 4 DEG C
Reduce 30-38%), the single pressing tea seed in the single pressing oil and cold pressing machine filtered out by collet is collected respectively
Benevolence muffin, it is spare；
The collet material uses cotton yarn, and pore size control fills up adsorbent at 5.0 microns, and in the interior centre of collet；
2., twice pressing: remove the collet for being sleeved on cold pressing machine oil outlet, by single pressing camellia seed kernel muffin,
It is squeezed again at 5 DEG C, the oil content handled into single pressing camellia seed kernel muffin is down to 6-8% (at this point, primary pressure
The thickness of oil expression tea seed kernel muffin reduces 20-28% again), the twice pressing oil squeezed out and twice pressing oil tea are collected respectively
Seed benevolence muffin, it is spare；
3., squeeze three times: by the insertion of the oil outlet of cold pressing machine equipped with mass fraction be 5.5%, by sodium carbonate and carbon
Sour hydrogen sodium by etc. the tank bottom of buffer salt solution that is made into of weight ratios, the charge weight of buffer salt solution is deep 60% of tank, and in tank
Top setting oil outlet, twice pressing camellia seed kernel muffin is squeezed again at 5 DEG C, processing to twice pressing camellia seed kernel
Oil content in muffin is lower than 0.5%, collects squeezing and filters out the expressed oil three times come, spare；
In above-mentioned expressing process, goes out oily difference for each stage in camellia seed kernel expressing process, be collected, both
Handled conducive to the specific aim of subsequent grease, and the fragrant composition of original of grease can be effectively retained so that the product prepared by it meet it is dense
Perfume requires.Wherein: the perfume composition of original acquired in single pressing accounts for the 45-55% of total amount, the fragrant composition of original acquired in twice pressing
The 10-18% of total amount is accounted for, the fragrant composition of the acquired original of squeezing accounts for the 15-30% of total amount three times.It is molten meanwhile in single pressing oil
It is more in the former Studies of The Aromatic Substances of water, such as isopentyl aldehyde, acetal；Three times in expressed oil, the former Studies of The Aromatic Substances for being dissolved in rouge is more, such as isoamyl
Sour pentyl ester, firpene etc..
(6), adsorption treatment:
1., single pressing oil adsorption treatment: under conditions of pressure 1.0MPa, 5 DEG C of temperature, by single pressing oil pump enter dress
It is filled with and is less than by basic activated carbon and bentonite by an adsorbent of the weight ratio mixture of 2.5:1 or by bentonite and partial size
In the filter for the adsorbent that the zeolite granular of 0.2mm is formed by the weight ratio of 2:1, circular treatment 7h is obtained at absorption
Single pressing oil is managed, it is spare；
By above-mentioned single pressing oil adsorption treatment, a large amount of pigments remained in single pressing oil and soap stock etc. are eliminated
Impurity；
2., twice pressing oil adsorption treatment: under conditions of pressure 1.0MPa, 5 DEG C of temperature, by twice pressing oil pump enter dress
Be filled with by neutral active charcoal, atlapulgite, pulverized limestone by the second adsorption agent of the weight ratio mixture of 1:2:0.3 filter
In, circular treatment 7h obtains adsorption treatment twice pressing oil, spare；
By above-mentioned twice pressing oil adsorption treatment, a small amount of pigment remained in twice pressing oil and acidity etc. are eliminated
Impurity；It is squeezed twice simultaneously as have passed through front, joined adsorbent when in addition crushing, thus, resulting expressed oil three times
Seldom, oil liquid is as clear as crystal for middle impurity residual, therefore does not need to carry out adsorption treatment；
(7), freezing processing:
1., adsorption treatment single pressing oil freezing processing: by adsorption treatment single pressing oil put into refrigerating plant in, simultaneously
Addition account for adsorption treatment single pressing oil weight 6%, mass fraction 20%, by sodium phosphate and dibastic sodium phosphate by etc. weight ratios match
Standby buffered saline solution first presses the rate stir process 40min of 1000r/min at normal temperature, frozen mode is then turned on, -8
Freezing processing 42h at DEG C, then at 5 DEG C under room temperature by the adsorption treatment single pressing oil of freezing processing through being filtered by vacuum
The freezing processing single pressing oil that clarification filters out is collected in device filtering, spare；
By above-mentioned adsorption treatment single pressing oil freezing processing, further eliminates and remain in adsorption treatment single pressing
The impurity such as pigment in oil and preamble active carbon, bentonite entrained when handling, thus further purifying oil liquid
Quality；Although the former fragrant composition such as the more acetal of content, isopentyl aldehyde is dissolved in water, but after freezing processing, water has become solid
Body (is removed), and physical property has become, and being dissolved in the former fragrant composition such as acetal, isopentyl aldehyde of water can not suffer a loss because being precipitated.
2., adsorption treatment twice pressing oil freezing processing: by adsorption treatment twice pressing oil put into refrigerating plant in, simultaneously
Addition accounts for adsorption treatment twice pressing oil weight 12%, mass fraction 25%, by calcium chloride, calcium sulfate, sodium sulphate, phosphoric acid hydrogen
Four kinds of sodium by etc. weight ratios mixture made of inorganic salt solution, first at normal temperature press 900r/min rate stir process 35min,
It is then turned on frozen mode, the freezing processing 42h at -8 DEG C, then at 5 DEG C under room temperature by the adsorption treatment of freezing processing
Twice pressing oil is filtered through vacuumfilter, collects the freezing processing twice pressing oil that clarification filters out, spare；
By above-mentioned adsorption treatment twice pressing oil freezing processing, further eliminates and remain in adsorption treatment twice pressing
Pigment in oil and preamble impurity entrained when handling, thus the further quality of purifying oil liquid；Simultaneously as have passed through
Front is squeezed twice, joined adsorbent when in addition crushing, thus, the resulting well cuts residual of squeezing three times is seldom, oil liquid
It is as clear as crystal, therefore do not need to carry out freezing processing；
(8), mixed once:
Freezing processing single pressing oil and freezing processing twice pressing oil are mixed, mixed once oil is obtained, it is spare；
(9), single flash:
Mixed once oil is put into destilling tower tower reactor, while addition accounts for mixed once oil weight 8%, partial size is less than
The zeolite granular of 0.2mm, with account for mixed once oil weight 6%, partial size 0.5mm or more neutral active charcoal particle, after mixing,
First distillation to no liquid flows out at 100 DEG C of tower temperature in the kettle, pressure 15KPa, then the liquid distilled out is transferred to liquid separation tank
Middle standing, layering extract a clarified oil liquid on upper layer, spare；Bottom temperature is risen to 180 DEG C again, is steamed at pressure 2KPa
It evaporates to oil-free liquid stream, collects the single flash oil liquid distilled out, it is spare；
During above-mentioned single flash, the former fragrant composition such as acetal, isopentyl aldehyde is distilled in advance because boiling point is lower, is obtained
To be enriched with and collect；Then oily purification is carried out to mixed once oil again, further passes through the difference and suction-operated of boiling point, removes
Remove the impurity such as remaining pigment and colloid in mixed once oil；
(10), secondary mixing:
Single flash oil liquid is mixed with expressed oil three times, becomes secondary miscella, it is spare；
(11), second distillation:
Secondary miscella is put into destilling tower tower reactor, while being added and accounting for secondary miscella weight 6%, partial size in 0.8mm
Zeolite granular, after mixing, bottom temperature is risen to 170 DEG C, distills to go out to oil-free liquid stream at pressure 2KPa, collection distills out
Second distillation oil liquid, it is spare；
By second distillation, distillation enrichment has been carried out (due to the boiling of former fragrant composition to the fragrant composition of original in secondary miscella
Point is below the boiling point of camellia seed oil, thus, can be distilled off and be enriched at first), and eliminate in secondary miscella
The impurity such as remaining minimal amount of pigment, to carry out oily purification to secondary miscella；
(12), mix three times:
Second distillation oil liquid and a clarified oil liquid are mixed to get giving off a strong fragrance camellia seed oil.
By above-mentioned multiple mixing and the operation repeatedly distilled, targetedly oil is refined, meanwhile, to former fragrant
Composition carried out it is dense poly-, make product fragrance is denseer, quality more preferably.
The preparation method of giving off a strong fragrance camellia seed oil of the invention can be not only used for preparing giving off a strong fragrance camellia seed oil, it can also be used to prepare
Other Luzhou-flavor vegetable edible oils.
Claims (6)
1. a kind of preparation method of giving off a strong fragrance camellia seed oil, which is characterized in that preparation process is as follows:
(1), camellia oleifera fruit selects:
It is that the dark green luxuriant tea oil tree of 10 years or more the age of trees of selection, cotyledon is picked after the Frost's Descent, without go mouldy, the oil tea without insect pest
Fruit is as raw material；
(2), dry:
1., primary drying: camellia oleifera fruit is put into drying receptacle, is first stacked in container bottom and accounts for the dry of container depth 10-15%
Dry object, then camellia oleifera fruit is put on dried object, with a thickness of the 25-35% of container depth, then, input camellia oleifera fruit weight will be accounted for
The dry powder of 10-20% is sprinkled into the surface layer of camellia oleifera fruit to being completely covered；Then, dried object is put on dry powder again, with a thickness of appearance
Then the 5-8% of device depth, then camellia oleifera fruit is put into above the dried object in container, with a thickness of the 25-35% of container depth,
And then it is sprinkled into camellia oleifera fruit and is completely covered with the dry powder of input camellia oleifera fruit weight 10-20%；It then, is 36- in temperature
It is handled 6-8 days in the environment of 48 DEG C；Thereafter, camellia oleifera fruit is sieved, removes dried object and dry powder, obtains primary drying camellia oleifera fruit, it is standby
With；
2., redrying: first microwave vacuum dryer basin bottom contain moisture content be 10-20% inorganic salts,
With a thickness of the 3-6% of basin depth, then primary drying camellia oleifera fruit is stacked on inorganic salts, and primary drying camellia oleifera fruit is existed
It is stirred back and forth in disk to surface and all contacts inorganic salts, the 75- with a thickness of basin depth that primary drying camellia oleifera fruit contains
85%；Then, drying all pops to oil-tea camellia husks at 65-70 DEG C of temperature, pressure 5-8KPa, becomes redrying oil tea
Fruit, it is spare；
(3), sieve:
By the screened machine processing of redrying camellia oleifera fruit, oil-tea camellia husks are removed, camellia seed kernel is collected, it is spare；
(4), crush:
After camellia seed kernel and adsorbent are mixed by weight the ratio of 6-8:1, the oil tea of 100 mesh or more is processed into through pulverizer
Seed benevolence powder, and sealing stirring 2.5-4.0h in temporary storage tank is put into, it is spare；
(5), squeeze:
1., single pressing: camellia seed kernel powder is fitted into cold pressing machine, covers mounting clip sleeve and fixation in its oil outlet, then,
At 0-10 DEG C oil content of the squeezing processing into camellia seed kernel muffin is down to 12-14%, collects filtered out by collet respectively
Single pressing camellia seed kernel muffin in single pressing oil and cold pressing machine, it is spare；
The collet material uses cotton yarn, and pore size control fills up adsorbent at 5.0 microns, and in the interior centre of collet；
2., twice pressing: the collet for being sleeved on cold pressing machine oil outlet is removed, by single pressing camellia seed kernel muffin, in 0-
It is squeezed again at 10 DEG C, the oil content handled into single pressing camellia seed kernel muffin is down to 6-8%, collects squeezing respectively
Twice pressing oil and twice pressing camellia seed kernel muffin out, it is spare；
3., squeeze three times: by the insertion of the oil outlet of cold pressing machine equipped with the buffer salt solution that mass fraction is 4.5-6.5%
Tank bottom, the charge weight of buffer salt solution are the 55-65% of tank depth, and oil outlet is arranged in tank deck, by twice pressing camellia seed kernel
Muffin is squeezed again at 0-10 DEG C, and the oil content handled into twice pressing camellia seed kernel muffin is lower than 0.5%, is collected
Squeezing filters out the expressed oil three times come, spare；
(6), adsorption treatment:
1., single pressing oil adsorption treatment: under conditions of pressure 0.75-1.25MPa, 0-10 DEG C of temperature, by single pressing oil
It is pumped into and is filled with by basic activated carbon and bentonite by an adsorbent of the weight ratio mixture of 2-3:1 or by bentonite and grain
In the filter for the adsorbent that zeolite granular of the diameter less than 0.2mm is formed by the weight ratio of 1.5-2.5:1, circular treatment
6-8h obtains adsorption treatment single pressing oil, spare；
2., twice pressing oil adsorption treatment: under conditions of pressure 0.75-1.25MPa, 0-10 DEG C of temperature, by twice pressing oil
Be pumped into be filled with by neutral active charcoal, atlapulgite, pulverized limestone by the weight ratio mixture of 1:1-3:0.1-0.4 second adsorption
Agent is less than the second adsorption agent that the zeolite granular of 0.2mm is formed by the weight ratio of 1.5-2.5:1 by atlapulgite and partial size
Filter in, circular treatment 6-8h obtains adsorption treatment twice pressing oil, spare；
(7), freezing processing:
1., adsorption treatment single pressing oil freezing processing: by adsorption treatment single pressing oil put into refrigerating plant in, be added simultaneously
It accounts for adsorption treatment single pressing oil weight 4-8%, the buffered saline solution that mass fraction is 15-25%, first presses at normal temperature
The rate stir process 30-45min of 800-1200r/min, is then turned on frozen mode, the freezing processing 35-50h at -15-0 DEG C,
Then under room temperature the adsorption treatment single pressing oil of freezing processing is filtered at 0-10 DEG C through vacuumfilter, is collected clear
The freezing processing single pressing oil filtered out clearly, it is spare；
2., adsorption treatment twice pressing oil freezing processing: by adsorption treatment twice pressing oil put into refrigerating plant in, be added simultaneously
It accounts for adsorption treatment twice pressing oil weight 10-15%, the inorganic salt solution that mass fraction is 23-28%, first presses at normal temperature
800-1000r/min rate stir process 30-40min, is then turned on frozen mode, the freezing processing 35-50h at -15-0 DEG C, so
Under room temperature the adsorption treatment twice pressing oil of freezing processing is filtered afterwards at 0-10 DEG C through vacuumfilter, collects clarification
The freezing processing twice pressing oil filtered out, it is spare；
(8), mixed once:
Freezing processing single pressing oil and freezing processing twice pressing oil are mixed, mixed once oil is obtained, it is spare；
(9), single flash:
Mixed once oil is put into destilling tower tower reactor, while being added and accounting for mixed once oil weight 5-12%, partial size less than 0.2mm
Zeolite granular, with account for mixed once oil weight 4-8%, partial size 0.5mm or more neutral active charcoal particle, after mixing, first
Distillation to no liquid flows out at 90-110 DEG C of tower temperature in the kettle, pressure 10-18KPa, then the liquid distilled out is transferred to point
It stands, be layered in flow container, extract a clarified oil liquid on upper layer, it is spare；Bottom temperature is risen to 160-200 DEG C again, in pressure
Distillation goes out to oil-free liquid stream under 1-4KPa, collects the single flash oil liquid distilled out, spare；
(10), secondary mixing:
Single flash oil liquid is mixed with expressed oil three times, becomes secondary miscella, it is spare；
(11), second distillation:
Secondary miscella is put into destilling tower tower reactor, while being added and accounting for secondary miscella weight 5-8%, partial size in 0.5-
Bottom temperature after mixing, is risen to 160-180 DEG C by the zeolite granular of 1.2mm, is distilled at pressure 1-4KPa to oil-free liquid stream
Out, the second distillation oil liquid distilled out is collected, it is spare；
(12), mix three times:
Second distillation oil liquid and a clarified oil liquid are mixed to get giving off a strong fragrance camellia seed oil.
2. the preparation method of giving off a strong fragrance camellia seed oil according to claim 1, it is characterised in that: the dried object is by dry wood
Bits, dry bamboo scraps, hay powder are mixed by the weight ratio of 2-3:1:0.5-0.8, and total moisture content is lower than 3%.
3. the preparation method of giving off a strong fragrance camellia seed oil according to claim 2, it is characterised in that: the dry powder is by pulverized limestone
It is formed with calcium chloride by the weight ratio mixture of 2-4:1.
4. the preparation method of giving off a strong fragrance camellia seed oil according to claim 3, it is characterised in that: the adsorbent is that partial size is small
It is less than in the vermiculite granule of the zeolite granular of 1.2mm or 100 mesh silica decoloration sand below or partial size less than 0.5mm or partial size
The hybrid particles or partial size that vermiculite granule of the zeolite granular and partial size of 1.2mm less than 0.5mm is formed by the weight ratio of 2-3:1
The hybrid particles that the active carbon particle of zeolite granular and partial size 0.6-0.8mm less than 1.2mm forms.
5. the preparation method of giving off a strong fragrance camellia seed oil according to claim 4, it is characterised in that: the buffered saline solution is
Sodium carbonate and sodium bicarbonate by etc. the aqueous solution that is made into of weight ratios or sodium phosphate and dibastic sodium phosphate by etc. weight ratios be made into it is water-soluble
Liquid or sodium sulfite and sodium hydrogensulfite by etc. the aqueous solution that is made into of weight ratios.
6. the preparation method of giving off a strong fragrance camellia seed oil according to claim 5, it is characterised in that: the inorganic salts are chlorinations
One of calcium, calcium sulfate, sodium sulphate, dibastic sodium phosphate or four kinds by etc. weight ratios mixture form.
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