CN108329991B - A kind of method that water-borne method extracts camellia seed oil - Google Patents
A kind of method that water-borne method extracts camellia seed oil Download PDFInfo
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- CN108329991B CN108329991B CN201810148113.4A CN201810148113A CN108329991B CN 108329991 B CN108329991 B CN 108329991B CN 201810148113 A CN201810148113 A CN 201810148113A CN 108329991 B CN108329991 B CN 108329991B
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
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Abstract
The invention discloses a kind of methods that water-borne method extracts camellia seed oil, belong to Oil processing technical field.The present invention carries out mentioning oil using the aqueous solution containing Tea Saponin, the use for proposing oily process and considerably reducing extractant of the invention, oil extracting rate can be made to reach 94% or more, safety in production, save the cost are reached, reduce waste water generation and other effects, safety in production, and energy conservation and environmental protection are able to maintain that while reaching economic benefit and improving, and are to achieve many things at one stroke.
Description
Technical field
The present invention relates to a kind of methods that water-borne method extracts camellia seed oil, belong to Oil processing technical field.
Background technique
The concept of water-borne method is based on mentioning oil tech in addition to squeezing method and lixiviation process to what is developed nearly over half a century
Analysis and classification and propose.So-called water-borne method refers to using water as main media and mentions oil tech, can be aided with or be not aided with
Edible material (such as ethyl alcohol), food grade enzyme, ultrasonic wave, microwave that water dissolves each other etc. processing with destroy oil plant cell wall and/or
The edible oil extractive technique of demulsification.Wherein ethyl alcohol auxiliary water extraction is the latest stage of water-borne method development, mentions the substantially former of oil
Reason is that the surface tension of ethyl alcohol is less than the surface tension of water, and the addition of ethyl alcohol is so that oil-water emulsion system loses stabilization, conducive to clear
The raising of oily yield.However to equally exist ethyl alcohol usage amount big for ethyl alcohol water extraction, the defects of higher cost.Equally, other are water-borne
The dosage that method has such as aqueous enzymatic method enzyme is larger, ultrasonic wave and it is microwave-assisted etc. larger there are energy consumption the defects of.
Summary of the invention
This method improves the process that ethyl alcohol assists water-borne method to extract camellia seed oil, provides a kind of using water as medium extraction
The method of camellia seed oil.
The first object of the present invention is to provide a kind of aqueous solution using water or containing ethyl alcohol as the oil extracting methods of medium, described
Method is using the aqueous solution containing Tea Saponin or ethanol water as extractant, after crushing material to be extracted, it is soaked in 50~
0.5~3h in 100 DEG C of extractant, adjusting pH is 8~10, then is centrifugated slag phase, water phase, oil phase and emulsion；Collect oil
Phase and emulsion, are demulsified, and obtain edible vegetable oil.
In one embodiment of the invention, the Tea Saponin is that material itself contains, enters during the extraction process
Water phase, or additionally add.
In one embodiment of the invention, the material includes the fruits and seeds of oil crops.
In one embodiment of the invention, the material is tea seed.
In one embodiment of the invention, the material and extractant are mixed in the ratio of solid-liquid ratio 1:3~10；Institute
Stating extractant is the water phase that preceding primary extraction obtains.
In one embodiment of the invention, it is described crushing be crushed to partial size be 10~50 μm.
In one embodiment of the invention, the demulsification includes freezing demulsification, enzyme process demulsification or ethanol solution demulsification.
In one embodiment of the invention, specific step is as follows for the method:
(1) the fresh oil tea seed raw material for being crushed to 20-40 μm of partial size is taken, addition contains 10~100g/L Tea Saponin
Aqueous solution is extractant, makes solid-liquid ratio 1:3~10, mixes well；
(2) mixed liquor is heated to 50~100 DEG C while stirring, adjusts pH to 8~10, keeps the temperature 0.5~3h；
(3) it is centrifuged after reaction, obtains slag phase, water phase, oil phase and emulsion；
(4) by oil phase therein and emulsion breakdown.
A second object of the present invention is to provide a kind of method for extracting camellia oil, the method is with aqueous solution for extraction
Agent is soaked in 0.5~3h in 50~100 DEG C of extractant after crushing material to be extracted, and adjusting pH is 8~10, then is centrifuged
Separate slag phase, water phase, oil phase and emulsion；Oil phase and emulsion are collected, is demulsified, edible vegetable oil is obtained；It collects under water phase conduct
The extractant of one batch materials, recycling water phase mention oil at least 5 times.With the increase of cycle-index, the Tea Saponin in water phase contains
Amount is continuously improved.
In one embodiment of the invention, recycling water phase mentions oil 5~12 times.
In one embodiment of the invention, the specific steps of the method are as follows:
(1) take the fresh oil tea seed raw material for being crushed to 20-40 μm of partial size, water be added, make reaction material liquid ratio 1:3~
10；
(2) mixed liquor is heated to 50~100 DEG C while stirring, adjusts pH to 8~10, keeps the temperature 0.5~3h；
(3) centrifugation obtains slag phase, water phase, oil phase and emulsion；
(4) oil phase therein and emulsion are taken out, is demulsified, obtains edible vegetable oil；Water phase therein is taken out, as next time
The extractant of oil is mentioned, it is 1:3~10 that volume insufficient section, which is supplemented to solid-liquid ratio with water, repeats step (1)~(3).
Third object of the present invention is to provide application of any of the above-described method in terms of camellia seed oil extraction.
Fourth object of the present invention is to provide the camellia seed oil product using the method preparation or contains camellia seed oil
Product.
The utility model has the advantages that
1, of the invention to propose oily process without the use of ethyl alcohol, it is not only cost-saved but also the safety in production process can be improved
Property, it is not required to explosion-proof Deng measures；
2, for this method when pure water is as starting extractant, repeatedly using through water phase can make oil extracting rate by original
75% or so improve to 92% or more；With the multiplicating benefit that 15% ethanol water is when originating extractant, through water phase
With oil extracting rate can be made by original 89% or so, improved to 94% or more.
3, also contain the Tea Saponin that contains in itself in tea seed or additional in Extraction medium of the invention in addition to water
Tea Saponin.Tea Saponin can reduce the surface tension of Extraction medium, promote oil from oil plant to the dissolution of Extraction medium.It extracted
Cheng Zhong, the Tea Saponin contained in tea seed in itself can enter in aqueous solution (water phase), and preceding batch of water phase is as next group original
The Extraction medium of material.Through being repeated several times, the Tea Saponin content in Extraction medium is continuously improved, and oily recovery rate is continuously improved, together
Tea Saponin, protein and content of tea polysaccharide are also continuously improved in Shi Shuixiang.It is when originating extractant with pure water, water phase is reused
After 11 times, Tea Saponin content is promoted to 17.63% by once extract 4.27% in water phase, and protein content is by once extracting
3.19% is promoted to 11.98%, and total sugar content is promoted to 5.60% by once extract 1.74%.It is very beneficial in water phase
The recycling of Tea Saponin, protein and tea polysaccharide.
4, method of the invention is greatly decreased the dosage of the water as extractant, was both saved by the recycling of water phase
About cost, and reduce the generation of waste water, reach energy-saving and environmental protection while reaching economic benefit and improving, it can
Meaning is achieved many things at one stroke.
Detailed description of the invention
Fig. 1 is the distribution of total fat in each phase when reusing pure water as aqueous extraction；
Fig. 2 is the dry slag fat contents at different levels after mentioning oil；
Fig. 3 is the water phase fat contents at different levels after mentioning oil；
Fig. 4 is the protein content of the dry slag of degreasing after mentioning oil；
Fig. 5 is the accompaniment content of water phase at different levels after mentioning oil；
Fig. 6 proposes oily effect for different extractants；
Fig. 7 is the Fat Distribution of each phase after scale-up scale；
Fig. 8 is the accompaniment concentration variation after scale-up scale in the water phase reused；
Fig. 9 distribution of total fat in each phase when being the ethyl alcohol extraction for reusing 15%.
Specific embodiment
1. oil extracting rate (numerically equal with edible vegetable oil yield)=edible vegetable oil quality/feedstock fat content；Definition: after reaction
Edible vegetable oil accounts for the ratio of total fat contained by raw material；
2. raw material and slag phase fat test: soxhlet extraction methods；
3. water phase fat test: Rose-Gottlieb method；
4. water phase protein determination: Forint phenol method；
5. the total sugar determination of water phase: phend-sulphuric acid；
6. water phase Tea Saponin measures: vanillin-sulfuric colorimetry；
7. slag phase protein determination: Kjeldahl's method；
Embodiment 1
(1) the fresh oil tea seed raw material 200g (being crushed to 20-40 μm of partial size) crushed is taken, 1L deionized water is added
(reaction material liquid ratio is 1:5) mixes well；
(2) while stirring by material in 70 DEG C of immersion 30min；PH=9.0 is adjusted using 20%NaOH, continues to keep the temperature 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
(4) oil phase therein and emulsion are taken out, is placed in -20 DEG C of refrigerators for 24 hours, and freezed under 50 DEG C of water bath conditions
Demulsification calculates edible vegetable oil yield；It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing；It takes out wherein
Water phase, as mention next time oil reaction solution, moisturizing is carried out if reaction solution deficiency to 1L.Step (1)~(3) are repeated, directly
Into slag phase, fat content tends towards stability, while measuring the content of material such as fat therein.
The oil-containing variation of edible vegetable oil yield, the oil-containing of slag phase and water phase is as shown in Figure 1 during water phase is reused.Edible vegetable oil
The ratio of the total fat of Zhan can be promoted to about 91.21% by initial 75.76%, the ratio of the total fat of the oily Zhan in water phase then by
5.39% is promoted to about 20.55%, and the content of the total fat of fat Zhan is then reduced to about 2.37% by 3.72% in slag phase.
As shown in Fig. 2, the fat content in slag phase can be reduced to about by initial 9.00% with the recycling of water phase
3.10%.
As shown in figure 3, the fat content in water phase can be then promoted to by initial 0.64% with the recycling of water phase
About 2.25%, promotion amplitude is obvious, can be used for the recycling of later period free oil and the recycling of other accompaniments.
Protein content variation such as Fig. 4 in slag phase, with the recycling of water phase, the protein content in slag phase can be by 8.92%
It is promoted to about 10.19%.It mentions albumen contained by raw material during oil to accumulate in water phase, so that the albumen in water phase constantly rises
Height, and enter the albumen of water phase with the promotion of protein concentration, dissolubility reduction, so that the albumen in slag phase increases.
To in water phase other materials composition be measured, as a result as shown in figure 5, with water phase recycling, wherein
Albumen, Tea Saponin (TS) and total sugar content constantly accumulate.Protein content can be promoted to 11.98% by 3.19%, and Tea Saponin can
It is promoted to 17.63% by 4.27%, and total reducing sugar can be promoted to 5.60% by 1.74%.
Inventor also using only contain albumen or only contain sugar aqueous solution as extractant, according to the method for embodiment 1 into
Row mentions oil, the results show that oil extracting rate has no obvious rising.
Embodiment 2
Taking 4 groups of quality respectively is the fresh oil tea seed raw material for being crushed to 20-40 μm of partial size of 200g, and first group of addition 1L is dense
Degree is the Tea Saponin solution of 40g/L, second group of addition 1L deionized water, the ethanol water that third group addition 1L volume fraction is 15%
Solution reuses 1 extracting solution in the 4th group of addition 1L embodiment 1, by oil tea seed raw material and each solution according to solid-liquid ratio
1:5, which is mixed well, to be placed in reactor.
Extraction step is carried out in the way of (2)~(3) by embodiment 1 the step of.
Oil phase therein and emulsion are taken out, is placed in -20 DEG C of refrigerators for 24 hours, and carries out freezing under 50 DEG C of water bath conditions and breaks
Cream calculates edible vegetable oil yield.It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing.
Oil extracting rate after measuring four groups of raw material reactions respectively, the results show that being using the oil extracting rate that 4% Tea Saponin extracts
81.68%；It the use of the oil extracting rate that deionized water is extracted is 75.45%；It is using the oil extracting rate that 15% ethanol water extracts
89.39%；It the use of the oil extracting rate that recycling 1 time extracting solution extracts is 80.96%.
Embodiment 3
Smashed tea seed is carried out to mention oil using the Tea Saponin solution of various concentration (0~100g/L), is used respectively
Pure water, 10g/L Tea Saponin solution, 40g/L Tea Saponin solution and 100g/L Tea Saponin solution extract, extraction step is specific
It is as follows:
(1) the fresh oil tea seed raw material 200g (being crushed to 20-40 μm of partial size) crushed is taken, it is above-mentioned pure to be separately added into 1L
Water or solution (reaction material liquid ratio is 1:5) mix well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 2h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is respectively as follows: pure water group 75.45%；1% Tea Saponin group 76.47%；4% Tea Saponin group
82.68%；10% Tea Saponin group 81.44%.
Embodiment 4
Respectively attempt pure water, 50g/L polysorbas20, the ethyl alcohol of volume fraction 15%, 40g/L Tea Saponin aqueous solution and
The lauryl sodium sulfate aqueous solution of 100g/L proposes oily effect.Detailed process is as follows:
(1) it takes and fresh be crushed to 5 groups of oil tea seed raw material that partial size is about 20-40 μm using medicinal herb grinder and be respectively
Volume is added in 200g, first group of addition 1L deionized water, the polysorbas20 aqueous solution that second group of addition 1L concentration is 10%, third group
The ethanol water that score is 15%, the Tea Saponin solution that the 4th group of addition 1L concentration is 4%, the 5th group of addition 1L concentration are
10% lauryl sodium sulfate aqueous solution (reaction material liquid ratio is 1:5) mixes well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil phase therein and emulsion are taken out, is placed in -20 DEG C of refrigerators for 24 hours, and carries out freezing under 50 DEG C of water bath conditions and breaks
Cream calculates edible vegetable oil yield.It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing.
Oily result is proposed as shown in fig. 6, finding after comparison after five groups of raw material reactions, and polysorbas20, ethyl alcohol and Tea Saponin is added
Afterwards, edible vegetable oil yield is apparently higher than pure water and proposes oily effect, and be added 10% lauryl sodium sulfate to propose oily effect then obvious poor.
Wherein the edible vegetable oil yield of polysorbas20 and Tea Saponin group can achieve 80.84% and 82.21% respectively, close to 15% ethanol water
Propose oily effect, the edible vegetable oil yield of 100g/L lauryl sodium sulfate is only 55.47%.
Between different extractants, remaining fat ratio is also different in emulsion, in the emulsion that same materials generate
The total fat of remaining fat Zhan is respectively as follows: 10% lauryl sodium sulfate group (25.80%) > pure water group (12.99%) > 10% and spits
The warm 20 groups of Tea Saponin of (8.86%) > 4% group (6.71%) > 15% ethanol groups (6.28%).
Embodiment 5
It is amplified using 800g raw material and proposes oily reaction, process is as follows:
(1) take it is fresh the oil tea seed raw material 800g that partial size is about 20-40 μm is crushed to using medicinal herb grinder, add
Enter 4L deionized water (reaction material liquid ratio is 1:5) to mix well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
(4) oil phase therein and emulsion are taken out, is placed in -20 DEG C of refrigerators for 24 hours, and freezed under 50 DEG C of water bath conditions
Demulsification calculates edible vegetable oil yield.It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing.It takes out wherein
Water phase, as mention next time oil reaction solution, moisturizing is carried out if reaction solution deficiency.Step (1)~(3) are repeated, until slag
Fat content tends towards stability in phase, i.e. the fat content variation of gained slag phase is stablized when within 1%, while measuring rouge therein
Fat equal size.And measure the concentration of Tea Saponin in water phase, total reducing sugar and protein.
When edible vegetable oil yield tends towards stability (after the 8th recycling), taking out some aqueous phase can be used as accompaniment and fat
Separation.
The variation of edible vegetable oil yield, the oil-containing of the oil-containing of slag phase and water phase and accompaniment is as schemed during water phase is reused
Shown in 7~8:
As shown in Figure 7, reaction scale be amplified to using 800g raw material and reuse water phase mention oil 12 times after, edible vegetable oil yield
And the regularity of distribution of the fat in slag phase and water phase presents and extracts identical trend on a small scale.Edible vegetable oil yield is from 75.62%
Rise to 92.06%；The ratio of the total fat of fat Zhan is reduced to 3.38% from 11.90% in slag phase；The total rouge of fat Zhan in water phase
The ratio of fat rises to 10.87% from 3.21%.And with the recycling of water phase, emulsion yield during oil is mentioned not
It is disconnected to reduce, so that edible vegetable oil content is risen.
As shown in Figure 8, accompaniment is in the process that constantly accumulation rises in water phase.Wherein Tea Saponin content can be from
4.45% rises to about 16%；Protein concentration can rise to 10.91% from 3.5%；Total sugar concentration can rise to from 2.67%
6.97%, it is regular consistent with what is extracted on a small scale.
Embodiment 6
(1) the fresh oil tea seed raw material 200g (being crushed to 20-40 μm of partial size) crushed is taken, 1L volume fraction, which is added, is
15% ethanol water (reaction material liquid ratio is 1:5) mixes well；
(2) while stirring by material in 70 DEG C of immersion 30min；PH=9.0 is adjusted using 20%NaOH, continues to keep the temperature 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
(4) oil phase therein and emulsion are taken out, is placed in -20 DEG C of refrigerators for 24 hours, and freezed under 50 DEG C of water bath conditions
Demulsification calculates edible vegetable oil yield；It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing；It takes out wherein
Water phase, as mention next time oil reaction solution, moisturizing is carried out if reaction solution deficiency to 1L.Step (1)~(3) are repeated, directly
Into slag phase, fat content tends towards stability, while measuring the content of material such as fat therein.
As a result as shown in figure 9, being that 15% ethanol water carries out mentioning oil, and reuses water phase when using volume fraction
At 11 times, oil extracting rate can rise to about 94.10% from 89.76%；Fatty residual rate can be reduced to from 2.92% in slag phase
2.08%；And the fatty residual rate in water phase rises to 17.31% by 4.39%.
Embodiment 7
(1) the fresh oil tea seed raw material 500g (being crushed to 20-40 μm of partial size) crushed is taken, it is (anti-that 1.5L pure water is added
Answering solid-liquid ratio is 1:3) it mixes well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 65.54%.
Embodiment 8
(1) the fresh oil tea seed raw material 500g (being crushed to 20-40 μm of partial size) crushed is taken, it is (anti-that 1.5L pure water is added
Answering solid-liquid ratio is 1:3) it mixes well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 2h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 67.36%.
Embodiment 9
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of partial size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1:10) mixes well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=9.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 80.02%.
Embodiment 10
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of partial size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1:10) mixes well；
(2) warming while stirring makes material impregnate 30min to 70 DEG C；PH=10.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 82.33%.
Embodiment 11
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of partial size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1:10) mixes well；
(2) warming while stirring makes material impregnate 30min to 90 DEG C；PH=10.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 84.02%.
Embodiment 12
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of partial size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1:10) mixes well；
(2) warming while stirring makes material impregnate 30min to 50 DEG C；PH=10.0 is adjusted using 20%NaOH, is continued anti-
Answer 1h；
(3) it is centrifuged 15min using the revolving speed of 5000rpm after reaction, so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Oil extracting rate after calculating reaction is 75.45%.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, any to be familiar with this skill
The people of art can do various change and modification, therefore protection model of the invention without departing from the spirit and scope of the present invention
Enclosing subject to the definition of the claims.
Claims (3)
1. a kind of method for extracting camellia oil, which is characterized in that using pure water as extractant, after crushing material to be extracted,
It is soaked in 0.5~3h in 50~100 DEG C of extractant, adjusting pH is 8~10, then is centrifugated slag phase, water phase, oil phase and emulsus
Liquid；Oil phase and emulsion are collected, is demulsified, edible vegetable oil is obtained；Collect extractant of the water phase as next batch materials, recycling
Water phase mentions oil；Recycling water phase mentions oil at least 5 times.
2. the method according to claim 1, wherein specific steps are as follows:
(1) the fresh oil tea seed raw material for being crushed to 20-40 μm of partial size is taken, water is added, makes reaction material liquid ratio 1:3~10；
(2) mixed liquor is heated to 50~100 DEG C while stirring, adjusts pH to 8~10, keeps the temperature 0.5~3h；
(3) centrifugation obtains slag phase, water phase, oil phase and emulsion；
(4) oil phase therein and emulsion are taken out, is demulsified, obtains edible vegetable oil；Water phase therein is taken out, as mentioning oil next time
Extractant, it is 1:3~10 that volume insufficient section, which is supplemented to solid-liquid ratio with water, repeat step (1)~(3).
3. application of the method as claimed in claim 1 or 2 in terms of camellia seed oil extraction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810148113.4A CN108329991B (en) | 2018-02-13 | 2018-02-13 | A kind of method that water-borne method extracts camellia seed oil |
| JP2019559363A JP7168992B2 (en) | 2018-02-13 | 2018-10-29 | Oil extraction method by aqueous medium method using tea saponin |
| PCT/CN2018/112433 WO2019157838A1 (en) | 2018-02-13 | 2018-10-29 | Tea saponin-assisted water-based oil extraction method |
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| CN201810148113.4A CN108329991B (en) | 2018-02-13 | 2018-02-13 | A kind of method that water-borne method extracts camellia seed oil |
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| US20070014819A1 (en) * | 2005-07-13 | 2007-01-18 | Weckteck Biotechnology Company Limited | Method of emulsifying phytosterol by natural saponin,emulsion prepared thereby and water dispersible phytosterol powder product |
| CN106281636A (en) * | 2016-08-08 | 2017-01-04 | 湖南农业大学 | A kind of extraction camellia seed oil and method of tea saponin from tea-seed pancake |
| CN106318599A (en) * | 2016-08-31 | 2017-01-11 | 浙江工业大学 | Method for increasing yield of camellia seed oil extracted with aqueous enzymatic method |
| CN107164087A (en) * | 2017-07-18 | 2017-09-15 | 安徽省华银茶油有限公司 | A kind of method that utilization chitosan extracts camellia seed oil with medical stone Combined Processing |
| CN107502446A (en) * | 2017-10-18 | 2017-12-22 | 湖南大三湘油茶生态产业有限公司 | Camellia oleifera fruit split-phase process |
| CN107586603B (en) * | 2017-10-20 | 2018-10-23 | 中国热带农业科学院海口实验站 | A kind of extracting method of camellia seed oil |
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2018
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