CN108329991A - A kind of method of water-borne method extraction camellia seed oil - Google Patents
A kind of method of water-borne method extraction camellia seed oil Download PDFInfo
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- CN108329991A CN108329991A CN201810148113.4A CN201810148113A CN108329991A CN 108329991 A CN108329991 A CN 108329991A CN 201810148113 A CN201810148113 A CN 201810148113A CN 108329991 A CN108329991 A CN 108329991A
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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 carrying oil using the aqueous solution containing Tea Saponin, the use for putting forward oily process and considerably reducing extractant of the present invention, oil extracting rate can be made to reach 94% or more, safety in production, cost-effective is reached, reduce waste water generation and other effects, it is able to maintain that safety in production, and energy conservation and environmental protection while reaching economic benefit and improving, is 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 technology
The concept of water-borne method is based on carrying 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 carrying oil tech using water as main media, 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, carries 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 makes oil-water emulsion system lose stabilization, is conducive to clear
The raising of oily yield.However ethyl alcohol water extraction equally exists the defects of ethyl alcohol usage amount is big, and cost is higher.Equally, other are water-borne
The defects of dosage that method has such as aqueous enzymatic method enzyme is larger, and ultrasonic wave and microwave radiation technology etc. are larger there are energy expenditure.
Invention content
This method improves the process that ethyl alcohol assists water-borne method extraction 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, it is 8~10 to adjust pH, then centrifuges 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 in 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 press solid-liquid ratio 1：3~10 ratio mixing；Institute
It is the water phase that preceding primary extraction obtains to state extractant.
In one embodiment of the invention, it is described crushing be crushed to grain 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, the method is as follows：
(1) the fresh oil tea seed raw material for being crushed to 20-40 μm of grain size, addition is taken to contain 10~100g/L Tea Saponins
Aqueous solution is extractant, and it is 1 to make solid-liquid ratio：3~10, it 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 centrifuges after reaction, obtains slag phase, water phase, oil phase and emulsion；
(4) by oil phase therein and emulsion breakdown.
Second object of the present invention is to provide a kind of method of extraction camellia oil, and it is extraction that the method, which is with aqueous solution,
Agent is soaked in 0.5~3h in 50~100 DEG C of extractant after crushing material to be extracted, and it is 8~10 to adjust pH, then is centrifuged
Detach 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 carry 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 carries oil 5~12 times.
In one embodiment of the invention, the method the specific steps are：
(1) the fresh oil tea seed raw material for being crushed to 20-40 μm of grain size is taken, water is added, it is 1 to make reaction material liquid ratio：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 and emulsion therein are taken out, is demulsified, obtains edible vegetable oil；Water phase therein is taken out, as next time
The extractant of oil is carried, it is 1 that volume insufficient section is supplemented to solid-liquid ratio with water:3~10, repeat 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 prepared using the method or contains camellia seed oil
Product.
Advantageous effect：
1, of the invention to put forward oily process and be 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；It is the multiplicating profit through water phase when originating extractant with 15% ethanol water
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 itself in tea seed 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 made the dosage of the water as extractant be greatly decreased, 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.
Description of the drawings
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 carrying oil；
Fig. 3 is the water phase fat contents at different levels after carrying oil；
Fig. 4 is the protein content of the dry slag of degreasing after carrying oil；
Fig. 5 is the accompaniment content of water phase at different levels after carrying oil；
Fig. 6 puies forward 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 in the water phase reused after scale-up scale；
Fig. 9 distributions of total fat in each phase when being the ethyl alcohol extraction for reusing 15%.
Specific implementation mode
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 methods；
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 grain size) crushed is taken, 1L deionized waters are added
(reaction material liquid ratio is 1：5) it mixes well；
(2) material is impregnated into 30min in 70 DEG C while stirring；PH=9.0 is adjusted using 20%NaOH, continues to keep the temperature 1h；
(3) rotating speed of 5000rpm is used to centrifuge 15min 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 and emulsion therein 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 carry next time oil reaction solution, moisturizing is carried out if reaction solution deficiency to 1L.Step (1)~(3) are repeated, directly
It tends towards stability to fat content in slag phase, 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
About 91.21% can be promoted to by initial 75.76% by accounting for the ratio of total fat, the oil in water phase account for the ratio of total fat then by
5.39% is promoted to about 20.55%, and the fatty content for accounting for total fat is then reduced to about 2.37% by 3.72% in slag phase.
As shown in Fig. 2, with the recycling of water phase, the fat content in slag phase can be reduced to about by initial 9.00%
3.10%.
As shown in figure 3, with the recycling of water phase, the fat content in water phase can be then promoted to by initial 0.64%
About 2.25%, promotion amplitude is apparent, can be used for the recycling of later stage 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 carries the albumen during oil contained by raw material 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 albumen concentration, dissolubility reduction, so that the albumen raising in slag phase.
Other materials composition in water phase is measured, the results are shown in Figure 5, with the recycling of water phase, 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 only to contain albumen or only contain the aqueous solution of sugar as extractant, according to embodiment 1 method into
Row carries oil, the results show that oil extracting rate has no apparent rising.
Embodiment 2
It is the fresh oil tea seed raw materials for being crushed to 20-40 μm of grain size of 200g to take 4 groups of quality respectively, 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 fractions are 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 mix well and are placed in reactor.
Extraction step is carried out in the way of (2)~(3) by embodiment 1 the step of.
Oil phase and emulsion therein 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
Breast calculates edible vegetable oil yield.It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing.
The oil extracting rate after four groups of raw material reactions is measured respectively, the results show that being using the oil extracting rate that 4% Tea Saponin extracts
81.68%；The use of the oil extracting rate that deionized water is extracted is 75.45%；Using 15% ethanol water extract oil extracting rate be
89.39%；Oil extracting rate using 1 extracting solution extraction of recycling is 80.96%.
Embodiment 3
The tea seed after crushing is carried out using the Tea Saponin solution of various concentration (0~100g/L) to carry oil, is used respectively
Pure water, 10g/L Tea Saponins solution, 40g/L Tea Saponins 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 grain size) crushed is taken, it is above-mentioned pure to be separately added into 1L
(reaction material liquid ratio is 1 for water or solution：5) 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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
Calculating the oil extracting rate after reaction is respectively：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 polysorbas20s, the ethyl alcohol of volume fraction 15%, 40g/L Tea Saponin aqueous solution and
The lauryl sodium sulfate aqueous solution of 100g/L puies forward oily effect.Detailed process is as follows：
(1) it takes and fresh be crushed to 5 groups of the oil tea seed raw material that grain 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 of second group of addition 1L a concentration of 10%, third group
The ethanol water that score is 15%, the Tea Saponin solution of the 4th group of addition 1L a concentration of 4%, the 5th group of addition 1L are a concentration of
(reaction material liquid ratio is 1 to 10% lauryl sodium sulfate aqueous solution：5) 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) rotating speed of 5000rpm is used to centrifuge 15min 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 and emulsion therein 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
Breast calculates edible vegetable oil yield.It takes out slag phase therein to be dried, fatty equal size therein is measured after crushing.
The results are shown in Figure 6 for the oil that carries after five groups of raw material reactions, and is found after comparison, polysorbas20, ethyl alcohol and Tea Saponin is added
Afterwards, edible vegetable oil yield is apparently higher than pure water and puies forward oily effect, and be added 10% lauryl sodium sulfate to put forward oily effect then apparent poor.
The edible vegetable oil yield of wherein polysorbas20 and Tea Saponin group can reach 80.84% and 82.21% respectively, close to 15% ethanol water
Put forward 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
Remaining fat accounts for total fat：10% lauryl sodium sulfate group (25.80%)>Pure water group (12.99%)>10% spits
Warm 20 groups (8.86%)>4% Tea Saponin group (6.71%)>15% ethanol group (6.28%).
Embodiment 5
It is amplified using 800g raw materials and proposes oily reaction, flow is as follows：
(1) take it is fresh the oil tea seed raw material 800g that grain size is about 20-40 μm is crushed to using medicinal herb grinder, add
Entering 4L deionized waters, (reaction material liquid ratio is 1：5) 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) rotating speed of 5000rpm is used to centrifuge 15min 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 and emulsion therein 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 carry 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 fat 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), takes out some aqueous phase and 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 materials and reuse water phase carry 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%；Fat accounts for total fatty ratio and is reduced to 3.38% from 11.90% in slag phase；Fat accounts for total fat 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 carried 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%；Albumen concentration can rise to 10.91% from 3.5%；Total sugar concentration can rise to from 2.67%
6.97%, it is consistent with the rule extracted on a small scale.
Embodiment 6
(1) the fresh oil tea seed raw material 200g (being crushed to 20-40 μm of grain size) crushed is taken, 1L volume fractions, which are added, is
(reaction material liquid ratio is 1 to 15% ethanol water：5) it mixes well；
(2) material is impregnated into 30min in 70 DEG C while stirring；PH=9.0 is adjusted using 20%NaOH, continues to keep the temperature 1h；
(3) rotating speed of 5000rpm is used to centrifuge 15min 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 and emulsion therein 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 carry next time oil reaction solution, moisturizing is carried out if reaction solution deficiency to 1L.Step (1)~(3) are repeated, directly
It tends towards stability to fat content in slag phase, while measuring the content of material such as fat therein.
The results are shown in Figure 9, when the ethanol water for the use of volume fraction being 15% carries out carrying oil, and reuses water phase
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 grain size) crushed is taken, it is (anti-that 1.5L pure water is added
It is 1 to answer solid-liquid ratio：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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 65.54% to calculate the oil extracting rate after reaction.
Embodiment 8
(1) the fresh oil tea seed raw material 500g (being crushed to 20-40 μm of grain size) crushed is taken, it is (anti-that 1.5L pure water is added
It is 1 to answer solid-liquid ratio：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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 67.36% to calculate the oil extracting rate after reaction.
Embodiment 9
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of grain size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1：10) 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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 80.02% to calculate the oil extracting rate after reaction.
Embodiment 10
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of grain size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1：10) it 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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 82.33% to calculate the oil extracting rate after reaction.
Embodiment 11
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of grain size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1：10) it 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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 84.02% to calculate the oil extracting rate after reaction.
Embodiment 12
(1) the fresh oil tea seed raw material 1kg (being crushed to 20-40 μm of grain size) crushed is taken, 10L pure water is separately added into
(reaction material liquid ratio is 1：10) it 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) rotating speed of 5000rpm is used to centrifuge 15min after reaction so that the feed liquid in reaction solution reaches slag phase, water
Phase, oil phase and the tetrameric separation of emulsion.
It is 75.45% to calculate the oil extracting rate after reaction.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not limited to the present invention, any to be familiar with this skill
The people of art can do various change and modification, therefore the protection model of the present invention without departing from the spirit and scope of the present invention
Enclosing be subject to what claims were defined.
Claims (10)
1. a kind of aqueous solution using water or containing ethyl alcohol is the oil extracting methods of medium, which is characterized in that with the water containing Tea Saponin
Solution or ethanol water are extractant, after crushing material to be extracted, be soaked in 0.5 in 50~100 DEG C of extractant~
3h, it is 8~10 to adjust pH, then centrifuges slag phase, water phase, oil phase and emulsion；Oil phase and emulsion are collected, is demulsified,
Obtain edible vegetable oil.
2. according to the method described in claim 1, it is characterized in that, the Tea Saponin is material itself contains, extracting
Into water phase in journey, or additionally add.
3. method according to claim 1 or 2, which is characterized in that the material includes the fruits and seeds of oil crops.
4. according to any method of claims 1 to 3, which is characterized in that the material and extractant press solid-liquid ratio 1：3~
10 ratio mixing.
5. according to the method described in claim 4, it is characterized in that, the extractant is the water phase that preceding primary extraction obtains.
6. a kind of method of extraction camellia oil, which is characterized in that using aqueous solution as extractant, after crushing material to be extracted,
It is soaked in 0.5~3h in 50~100 DEG C of extractant, it is 8~10 to adjust pH, then centrifuges 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 carries oil.
7. according to the method described in claim 6, it is characterized in that, recycling water phase carries oil at least 5 times.
8. the method described according to claim 6 or 7, which is characterized in that the specific steps are：
(1) the fresh oil tea seed raw material for being crushed to 20-40 μm of grain size is taken, water is added, it is 1 to make reaction material liquid ratio：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 and emulsion therein are taken out, is demulsified, obtains edible vegetable oil；Water phase therein is taken out, as carrying oil next time
Extractant, volume insufficient section with water be supplemented to solid-liquid ratio be 1:3~10, repeat step (1)~(3).
9. application of any the method for claim 1~8 in terms of camellia seed oil extraction.
10. camellia seed oil product prepared by any the method for claim 1~8 or the product containing camellia seed oil.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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