CN114940924A - Refining process of tea oil for cosmetics - Google Patents
Refining process of tea oil for cosmetics Download PDFInfo
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- CN114940924A CN114940924A CN202210673918.7A CN202210673918A CN114940924A CN 114940924 A CN114940924 A CN 114940924A CN 202210673918 A CN202210673918 A CN 202210673918A CN 114940924 A CN114940924 A CN 114940924A
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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
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
- C11B1/08—Production of fats or fatty oils from raw materials by pressing by hot 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
- 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
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/04—Refining fats or fatty oils by chemical reaction with acids
-
- 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
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/06—Refining fats or fatty oils by chemical reaction with bases
-
- 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
-
- 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
- C11B3/16—Refining fats or fatty oils by mechanical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Abstract
The invention relates to the technical field of oil tea processing, and discloses a refining process of tea oil for cosmetics, which comprises the following steps of pretreatment of oil tea seeds S1, squeezing S2, degumming S3, deacidification S4, decoloration S5, deodorization S6. This tea-seed oil's for cosmetics refining technology, through carrying out the preliminary treatment operation to the rape seed, its preliminary treatment is including smashing and steaming and frying, can make things convenient for the rape seed to carry out the shelling, conveniently carry out the oil, improve the oil yield of rape seed, its preliminary treatment of steaming and frying simultaneously can reduce the water content of rape seed, make things convenient for the follow-up oil of carrying out of ability of rape seed, avoid the too high quality that influences tea-seed oil of water content, the dehydration separation process in the later stage of also avoiding, the efficiency of tea-oil camellia preparation has been improved, the cost of preparing the tea-oil camellia has been reduced, all set up the process of separation in degumming treatment, deacidification treatment, decoloration treatment and deodorization treatment, can reduce the content of the in-process miscellaneous liquid of tea-seed oil in the preparation, the refined quality of tea-seed oil has been improved.
Description
Technical Field
The invention relates to the technical field of oil tea processing, in particular to a refining process of tea oil for cosmetics.
Background
The tea oil is commonly known as camellia oil, also known as camellia oil and camellia oil, is pure natural high-grade edible plant oil extracted from common mature camellia seeds of camellia plants in the camellia of the camellia family, has golden or light yellow color, pure quality, clarity and transparency, faint scent smell and pure taste, is commonly known as camellia, wild tea and white tea, and is a specific high-grade edible oil plant in China. The camellia oleifera and the tea are of the same genus and different species, the vegetable oil squeezed from the seeds of the camellia oleifera and the tea is completely different, the camellia oleifera seed oil is called camellia oleosa seed oil, the tea seed oil is called tea seed oil, the camellia oleosa seed oil is obtained by squeezing camellia fruits collected from original forest mountains, and the purest (colorless, tasteless, smokeless and nearly zero-point acid value zero-point peroxide value) oil product is obtained through physical purification according to the medical production process standard. It is especially suitable for injection and cosmetic.
In the existing oil tea preparation process, the rapeseed is simple, so that the water content of the raw material is large, the post treatment is troublesome, and the quality of the oil tea is easily influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a refining process of tea oil for cosmetics, which has the advantages of simple preparation process, low water content, avoidance of a later-stage moisture removal process and the like, and solves the problems of high water content of raw materials, troublesome post-treatment and easy influence on the quality of the tea oil.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a refining process of tea oil for cosmetics comprises the following steps:
s1 pretreatment of camellia seeds
The camellia seed is hulled by crushing, in order to avoid difficult hulling and excessive kernel crushing, the water content of the camellia seed is controlled within 5% -6%, the camellia seed is processed into powder by a crusher after hulling, camellia seed powder has no coarse grains, and a large amount of water in the camellia seed is removed by steaming and frying after crushing is completed.
S2, squeezing
Squeezing the steamed and fried camellia seeds in an oil press, wherein the temperature of a press chamber is 60-70 ℃, the pressure is 40-50MPa, collecting oil and press cakes, crushing, drying and re-pressing the press cakes, and collecting the oil from the oil press to obtain crude oil.
S3 degumming treatment
Heating the crude oil to 80-90 ℃, adding 25-35% of citric acid aqueous solution by mass fraction, stirring for 15-25 minutes at the rotation speed of 250 revolutions per minute of 200-90 ℃ to obtain a mixed solution, then cooling, adjusting the pH of the mixed solution to 4.5-4.8 by using 4-6% of sodium hydroxide aqueous solution by mass fraction, stirring and reacting for 5-6 hours at the rotation speed of 220 revolutions per minute of 180-90 ℃, performing separation treatment, and collecting an upper oil phase to obtain the degummed tea oil.
S4 deacidification treatment
Heating the degummed oil to 80-90 ℃, quickly and uniformly injecting alkali liquor into the oil, stirring at the rotating speed of 60-80r/min, fully mixing, stopping stirring when soapstock particles are generated in the oil and an oil-water separation line appears, heating to 80-90 ℃, standing at a constant temperature for 8-10h, centrifugally separating, transferring upper clear oil to a water washing pot, heating to 75-85 ℃, adding hot water accounting for 5-10% of the weight of the oil, washing, standing at the constant temperature, repeatedly washing, centrifugally separating out the upper clear oil, placing the upper clear oil in a vacuum drying box, dehydrating and drying for 20-30min, and taking out when the oil temperature is reduced to 40-50 ℃ to obtain the alkali-refined deacidified oil.
S5, decoloring
Weighing a certain amount of alkali-refined deacidified oil, placing the alkali-refined deacidified oil in a decoloring pot, stirring and heating, adding 3-5% of activated clay into the oil when the oil temperature is increased to 100-120 ℃, stirring at a constant temperature of 200r/min for 15-20min, filtering while hot, and removing residual decoloring agent in the oil to obtain the decolored oil with pigments, residual soaps and metal oxides removed.
S6 deodorization treatment
Adding anhydrous sodium acetate into the deacidified and decolored tea oil, uniformly mixing, centrifuging for 5-15 minutes at the rotating speed of 4000-plus-5000 r/min, taking the upper oil phase, freezing the upper oil phase, continuing to centrifuge for 5-15 minutes at the rotating speed of 4000-plus-5000 r/min, and collecting the upper oil phase to obtain the deodorized tea oil.
Preferably, the temperature of the steaming and frying in the step S1 is 110-120 ℃, and the range of the water content after the steaming and frying is 3% -5%.
Preferably, the number of squeezing in step S2 is 3-4.
Preferably, the temperature after cooling in step S3 is 40 to 50 ℃.
Preferably, the separation process in step S3 is to centrifugally separate the reaction solution at 4000-.
Preferably, the constant temperature standing time in the step S4 is 1-2 hours, the washing is repeated for 2-3 times, the vacuum degree in a vacuum drying oven is 0.1-0.2MPa, and the temperature is 90-95 ℃.
Preferably, the freezing temperature in the step S6 is-5 to-2 ℃, and the freezing time is 25 to 30 minutes.
(III) advantageous effects
Compared with the prior art, the invention provides a refining process of tea oil for cosmetics, which has the following beneficial effects:
1. this tea-seed oil's for cosmetics refining technology, through carrying out the preliminary treatment operation to the rape seed, its preliminary treatment is including smashing and evaporating the stir-fry twice process, can make things convenient for the rape seed to carry out the shelling, conveniently carry out the oil, improve the oil yield of rape seed, its preliminary treatment of evaporating the stir-fry simultaneously can reduce the water content of rape seed, make things convenient for the follow-up ability of rape seed to go out oil better, avoid the too high quality that influences tea-seed oil of water content, the dehydration separation process in the later stage of also avoiding, the efficiency of the tea-seed oil preparation has been improved, the cost of preparation tea-seed oil has been reduced.
2. The refining process of the tea oil for the cosmetics can reduce the content of impurity liquid in the preparation process of the tea oil and improve the refining quality of the tea oil by arranging separation procedures in degumming treatment, deacidification treatment, decoloration treatment and deodorization treatment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a refining process of tea oil for cosmetics comprises the following steps:
s1 pretreatment of camellia seeds
The camellia seed is hulled by crushing, in order to avoid difficult hulling and excessive kernel crushing, the water content of the camellia seed is controlled within 5%, the camellia seed is processed into powder by a crusher after hulling, so that camellia seed powder has no coarse grains, a large amount of water in the camellia seed is removed by steaming and frying after crushing is completed, the steaming and frying temperature is 110 ℃, and the water content range after steaming and frying is 3-5%.
S2, squeezing
Squeezing the steamed and fried camellia seeds in an oil press, wherein the temperature of a press chest is 60 ℃, and the pressure is 40-50MPa, collecting oil and pressed cakes, crushing, drying and re-pressing the pressed cakes, repeating the steps for 3-4 times, and collecting the oil from the oil press to obtain crude oil.
S3 degumming treatment
Heating the crude oil to 80-90 ℃, adding 25-35% of citric acid aqueous solution by mass fraction, stirring for 15-25 minutes at the rotation speed of 250 revolutions per minute of 200-50 ℃ to obtain a mixed solution, then cooling to 40-50 ℃, adjusting the pH of the mixed solution to 4.5-4.8 by using 4-6% of sodium hydroxide aqueous solution by mass fraction, stirring for reaction for 5-6 hours at the rotation speed of 220 revolutions per minute of 180-50 ℃, performing separation treatment, centrifugally separating the reaction solution for 15-20 minutes at the rotation speed of 5000 revolutions per minute of 4000-5 ℃, and collecting the upper oil phase to obtain the degummed tea oil.
S4 deacidification treatment
Heating the degummed oil to 80-90 ℃, quickly and uniformly injecting alkali liquor into the oil, stirring at the rotating speed of 60-80r/min, fully mixing, stopping stirring when soapstock particles are generated in the oil and an oil-water separation line appears, heating to 80-90 ℃, standing at a constant temperature for 8-10h, centrifugally separating, transferring upper clear oil to a water washing pot, heating to 75-85 ℃, adding hot water with the weight of 5-10% of the oil for washing, standing at the constant temperature for 1-2 h, repeatedly washing for 2-3 times, centrifugally separating out upper clear oil, then placing the upper clear oil in a vacuum drying box, dehydrating and drying for 20-30min under the conditions that the vacuum degree is 0.1-0.2MPa and the temperature is 90-95 ℃, and taking out when the oil temperature is reduced to 40-50 ℃ to obtain the alkali-refined deacidified oil.
S5, decoloring
Weighing a certain amount of alkali refining deacidified oil, placing the oil in a decoloring pot, stirring and heating, adding 3-5% of activated clay into the oil when the oil temperature is increased to 100-120 ℃, stirring at constant temperature for 15-20min at the rotating speed of 150-200r/min, filtering while the oil is hot, and removing residual decoloring agent in the oil to obtain decolored oil with pigments, residual soap and metal oxides removed.
S6 deodorization treatment
Adding anhydrous sodium acetate into deacidified and decolored tea oil, uniformly mixing, centrifuging for 5-15 minutes at the rotating speed of 4000-.
The second embodiment:
a refining process of tea oil for cosmetics comprises the following steps:
s1 pretreatment of camellia seeds
The camellia seed is hulled by crushing, in order to avoid difficult hulling and excessive kernel crushing, the water content of the camellia seed is controlled within 5.5%, the camellia seed is processed into powder by a crusher after hulling, so that camellia seed powder has no coarse grains, a large amount of water in the camellia seed is removed by steaming and frying after crushing is completed, the steaming and frying temperature is 115 ℃, and the water content range after steaming and frying is 3-5%.
S2, squeezing
Squeezing the steamed and fried camellia seeds in an oil press, wherein the temperature of a press chamber is 65 ℃, and the pressure is 40-50MPa, collecting oil and press cakes, crushing, drying and re-pressing the press cakes, repeating the steps for 3-4 times, and collecting the oil from the oil press to obtain crude oil.
S3 degumming treatment
Heating the crude oil to 80-90 ℃, adding 25-35% of citric acid aqueous solution by mass fraction, stirring for 15-25 minutes at the rotation speed of 250 revolutions per minute of 200-50 ℃ to obtain a mixed solution, then cooling to 40-50 ℃, adjusting the pH of the mixed solution to 4.5-4.8 by using 4-6% of sodium hydroxide aqueous solution by mass fraction, stirring for reaction for 5-6 hours at the rotation speed of 220 revolutions per minute of 180-50 ℃, performing separation treatment, centrifugally separating the reaction solution for 15-20 minutes at the rotation speed of 5000 revolutions per minute of 4000-5 ℃, and collecting the upper oil phase to obtain the degummed tea oil.
S4 deacidification treatment
Heating the degummed oil to 80-90 ℃, quickly and uniformly injecting alkali liquor into the oil, stirring at the rotating speed of 60-80r/min, fully mixing, stopping stirring when soapstock particles are generated in the oil and an oil-water separation line appears, heating to 80-90 ℃, standing at a constant temperature for 8-10h, centrifugally separating, transferring upper clear oil to a water washing pot, heating to 75-85 ℃, adding hot water with the weight of 5-10% of the oil for washing, standing at the constant temperature for 1-2 h, repeatedly washing for 2-3 times, centrifugally separating out upper clear oil, then placing the upper clear oil in a vacuum drying box, dehydrating and drying for 20-30min under the conditions that the vacuum degree is 0.1-0.2MPa and the temperature is 90-95 ℃, and taking out when the oil temperature is reduced to 40-50 ℃ to obtain the alkali-refined deacidified oil.
S5, decoloring
Weighing a certain amount of alkali-refined deacidified oil, placing the alkali-refined deacidified oil in a decoloring pot, stirring and heating, adding 3-5% of activated clay into the oil when the oil temperature is increased to 100-120 ℃, stirring at a constant temperature of 200r/min for 15-20min, filtering while hot, and removing residual decoloring agent in the oil to obtain the decolored oil with pigments, residual soaps and metal oxides removed.
S6 deodorization treatment
Adding anhydrous sodium acetate into deacidified and decolored tea oil, uniformly mixing, centrifuging for 5-15 minutes at the rotating speed of 4000-plus 5000 r/min, taking the upper oil phase, freezing the upper oil phase at the temperature of-5-2 ℃, continuously centrifuging for 5-15 minutes at the rotating speed of 4000-plus 5000 r/min after freezing for 25-30 minutes, and collecting the upper oil phase to obtain the deodorized tea oil.
Example three:
a refining process of tea oil for cosmetics comprises the following steps:
s1 pretreatment of camellia seeds
The camellia seed is hulled by crushing, in order to avoid difficult hulling and excessive kernel crushing, the water content of the camellia seed is controlled within 6%, the camellia seed is processed into powder by a crusher after hulling, so that camellia seed powder has no coarse grains, a large amount of water in the camellia seed is removed by steaming and frying after crushing is completed, the steaming and frying temperature is 120 ℃, and the water content range after steaming and frying is 3-5%.
S2, squeezing
Squeezing the steamed and fried oil tea seeds in an oil press, wherein the temperature of a press chest is 70 ℃, and the pressure is 40-50MPa, collecting oil materials and pressed cakes, crushing, drying and re-pressing the pressed cakes, repeating the steps for 3-4 times, and collecting the oil materials from the oil press to obtain crude oil.
S3 degumming treatment
Heating the crude oil to 80-90 ℃, adding 25-35% of citric acid aqueous solution by mass fraction, stirring for 15-25 minutes at the rotation speed of 250 revolutions per minute of 200-50 ℃ to obtain a mixed solution, then cooling to 40-50 ℃, adjusting the pH of the mixed solution to 4.5-4.8 by using 4-6% of sodium hydroxide aqueous solution by mass fraction, stirring for reaction for 5-6 hours at the rotation speed of 220 revolutions per minute of 180-50 ℃, performing separation treatment, centrifugally separating the reaction solution for 15-20 minutes at the rotation speed of 5000 revolutions per minute of 4000-5 ℃, and collecting the upper oil phase to obtain the degummed tea oil.
S4 deacidification treatment
Heating the degummed oil to 80-90 ℃, quickly and uniformly injecting alkali liquor into the oil, stirring at the rotating speed of 60-80r/min, fully mixing, stopping stirring when soapstock particles are generated in the oil and an oil-water separation line appears, heating to 80-90 ℃, standing at a constant temperature for 8-10h, centrifugally separating, transferring upper clear oil to a water washing pot, heating to 75-85 ℃, adding hot water with the weight of 5-10% of the oil for washing, standing at the constant temperature for 1-2 h, repeatedly washing for 2-3 times, centrifugally separating out upper clear oil, then placing the upper clear oil in a vacuum drying box, dehydrating and drying for 20-30min under the conditions that the vacuum degree is 0.1-0.2MPa and the temperature is 90-95 ℃, and taking out when the oil temperature is reduced to 40-50 ℃ to obtain the alkali-refined deacidified oil.
S5, decoloring
Weighing a certain amount of alkali-refined deacidified oil, placing the alkali-refined deacidified oil in a decoloring pot, stirring and heating, adding 3-5% of activated clay into the oil when the oil temperature is increased to 100-120 ℃, stirring at a constant temperature of 200r/min for 15-20min, filtering while hot, and removing residual decoloring agent in the oil to obtain the decolored oil with pigments, residual soaps and metal oxides removed.
S6 deodorization treatment
Adding anhydrous sodium acetate into deacidified and decolored tea oil, uniformly mixing, centrifuging for 5-15 minutes at the rotating speed of 4000-plus 5000 r/min, taking the upper oil phase, freezing the upper oil phase at the temperature of-5-2 ℃, continuously centrifuging for 5-15 minutes at the rotating speed of 4000-plus 5000 r/min after freezing for 25-30 minutes, and collecting the upper oil phase to obtain the deodorized tea oil.
The invention has the beneficial effects that: through carrying out pretreatment operation on rapeseeds, wherein the pretreatment comprises two procedures of crushing and steaming and frying, the rapeseeds can be conveniently hulled, oil can be conveniently produced, the oil production rate of the rapeseeds is improved, meanwhile, the water content of the rapeseeds can be reduced through the pretreatment of steaming and frying, the rapeseeds can be conveniently subjected to oil production in the following process, the influence of overhigh water content on the quality of tea oil is avoided, the later dehydration separation procedure is also avoided, the efficiency of preparing the tea oil is improved, and the cost for preparing the tea oil is reduced; the separation process is arranged in the degumming treatment, the deacidification treatment, the decoloration treatment and the deodorization treatment, so that the content of impurity liquid in the preparation process of the tea oil can be reduced, and the refining quality of the tea oil is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The refining process of the tea oil for cosmetics is characterized by comprising the following steps of:
s1 pretreatment of camellia seeds
Removing shells of camellia seeds by crushing, wherein in order to avoid difficult shelling and excessive crushing of kernels, the water content of the camellia seeds is controlled within 5-6%, the camellia seeds are processed into powder by a crusher after shelling, so that camellia seed powder has no coarse grains, and a large amount of water in the camellia seeds is removed by steaming and frying after crushing;
s2, squeezing
Squeezing the steamed and fried camellia seeds in an oil press, wherein the temperature of a press chamber is 60-70 ℃, the pressure is 40-50MPa, collecting oil and press cakes, crushing, drying and re-pressing the press cakes, and collecting the oil from the oil press to obtain crude oil;
s3 degumming treatment
Heating the crude oil to 80-90 ℃, adding 25-35% of citric acid aqueous solution by mass fraction, stirring for 15-25 minutes at the rotation speed of 250 revolutions per minute of 200-90 ℃ to obtain mixed solution, then cooling, adjusting the pH of the mixed solution to 4.5-4.8 by using 4-6% of sodium hydroxide aqueous solution by mass fraction, stirring and reacting for 5-6 hours at the rotation speed of 220 revolutions per minute of 180-90 ℃ and carrying out separation treatment, and collecting an upper oil phase to obtain the degummed tea oil;
s4 deacidification treatment
Heating the degummed oil to 80-90 ℃, quickly and uniformly injecting alkali liquor into the oil, stirring at the rotating speed of 60-80r/min, fully mixing, stopping stirring when soapstock particles are generated in the oil and an oil-water separation line appears, heating to 80-90 ℃, standing at a constant temperature for 8-10h, centrifugally separating, transferring upper clear oil to a water washing pot, heating to 75-85 ℃, adding hot water accounting for 5-10% of the weight of the oil for washing, standing at the constant temperature, repeatedly washing, centrifugally separating out the upper clear oil, then placing the upper clear oil in a vacuum drying box, dehydrating and drying for 20-30min, and taking out when the oil temperature is reduced to 40-50 ℃ to obtain alkali-refined deacidified oil;
s5, decoloring
Weighing a certain amount of alkali refining deacidified oil, placing the oil in a decoloring pot, stirring and heating, adding 3-5% of activated clay into the oil when the oil temperature is increased to 100-120 ℃, stirring at constant temperature for 15-20min at the rotating speed of 150-200r/min, filtering while the oil is hot, and removing residual decoloring agent in the oil to obtain decolored oil with pigments, residual soap and metal oxides removed;
s6 deodorization treatment
Adding anhydrous sodium acetate into the deacidified and decolored tea oil, uniformly mixing, centrifuging for 5-15 minutes at the rotating speed of 4000-.
2. The refining process of the cosmetic camellia oil according to claim 1, which is characterized in that: the temperature of the steaming and frying in the step S1 is 110-120 ℃, and the range of the water content after the steaming and frying is 3-5%.
3. The refining process of the cosmetic camellia oil according to claim 1, which is characterized in that: the number of repeated squeezing in the step S2 is 3-4.
4. The refining process of the cosmetic camellia oil according to claim 1, which is characterized in that: the temperature after cooling in the step S3 is 40 to 50 ℃.
5. The refining process of the cosmetic camellia oil according to claim 1, which is characterized in that: the separation treatment in the step S3 is to centrifugally separate the reaction solution at the rotation speed of 4000-.
6. The refining process of the cosmetic camellia oil according to claim 1, which is characterized in that: the constant temperature standing time in the step S4 is 1-2 hours, the washing is repeated for 2-3 times, the vacuum degree in a vacuum drying oven is 0.1-0.2MPa, and the temperature is 90-95 ℃.
7. The refining process of the tea oil for cosmetics according to claim 1, characterized by comprising the following steps: the freezing temperature in the step S6 is-5 to-2 ℃, and the freezing time is 25 to 30 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210673918.7A CN114940924A (en) | 2022-06-14 | 2022-06-14 | Refining process of tea oil for cosmetics |
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| CN202210673918.7A CN114940924A (en) | 2022-06-14 | 2022-06-14 | Refining process of tea oil for cosmetics |
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| CN116376631A (en) * | 2023-03-29 | 2023-07-04 | 浙江山茶润生物科技有限公司 | Preparation process of camellia oil for cosmetics |
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| CN107858202A (en) * | 2017-11-17 | 2018-03-30 | 杜星火 | Selenium-rich tea oil and its processing technology |
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