CN114921284B - Prinsepia utilis royle oil preparation method and cosmetics - Google Patents
Prinsepia utilis royle oil preparation method and cosmetics Download PDFInfo
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- CN114921284B CN114921284B CN202210684101.XA CN202210684101A CN114921284B CN 114921284 B CN114921284 B CN 114921284B CN 202210684101 A CN202210684101 A CN 202210684101A CN 114921284 B CN114921284 B CN 114921284B
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/08—Anti-ageing preparations
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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
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/10—Refining fats or fatty oils by adsorption
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/16—Refining fats or fatty oils by mechanical means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/522—Antioxidants; Radical scavengers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
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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
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Abstract
The application relates to the technical field of cosmetics, and relates to a preparation method of prinsepia utilis royle oil and a cosmetic. A preparation method of Prinsepia utilis royle oil comprises: extracting Prinsepia utilis royle with extractant solution, centrifuging, and separating into three layers, wherein the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder residue; taking an upper oil phase; the extractant solution is citric acid solution. The layering effect of three layers can be obtained by adopting the citric acid solution to extract the prinsepia utilis royle powder, so that the final extract mixed solution is the layering effect of three layers, namely the upper layer is an oil phase, the middle layer is a water phase and the lower layer is powder slag, and the upper layer oil phase is conveniently obtained. According to the method, the principle that oil and water are not compatible is utilized, meanwhile, the oil density is lighter than that of water, two-phase separation can be effectively carried out, the citric acid solution is adopted for extraction, the conductivity can be effectively improved, the incompatibility of water and oil is increased, and the layering effect is improved; meanwhile, unstable ingredients such as chlorophyll and lutein can be effectively removed, so that the prinsepia utilis royle oil with high yield is obtained, and the stability of the prinsepia utilis royle oil is good.
Description
Technical Field
The application relates to the technical field of cosmetics, in particular to a preparation method of prinsepia utilis royle oil and a cosmetic.
Background
Prinsepia utilis royle is the fruit of the plant Philippine nucleus of Rosaceae.
Prinsepia utilis royle oil contains rich fatty acids, wherein the content of unsaturated fatty acids is very high, which is far higher than that of deep sea fish oil, and has higher nutritive value. The variety of fatty acid in the prinsepia utilis royle oil is rich and the structure is reasonable; contains rich nutrients such as vitamin A, D, E, K, beta-carotene and the like; the amino acids contained are complete in variety, the total amount accounts for 46.97%, 13 major and trace elements such as calcium, sulfur, manganese, magnesium, potassium, phosphorus, zinc, iron and the like are detected, and the element with the highest content is potassium.
Prinsepia utilis royle oil is widely applied, and can be applied to cosmetics to remarkably improve the moisture retention of skin and enable the skin to be smoother and healthier. Prinsepia utilis royle oil has the functions of quickly penetrating the skin, nourishing the skin, resisting bacteria, diminishing inflammation, promoting blood circulation, removing blood stasis and the like, and can be directly rubbed on the skin to enable the skin to be obviously smooth and tender.
However, the extraction rate of prinsepia utilis royle oil is low at present; the stability of the extracted prinsepia utilis royle oil is to be improved.
Disclosure of Invention
The embodiment of the application aims to provide a preparation method of prinsepia utilis royle oil and a cosmetic, which have the advantages of higher prinsepia utilis royle oil yield and good stability of prinsepia utilis royle oil.
In a first aspect, the present application provides a method for preparing prinsepia utilis royle oil, comprising:
extracting Prinsepia utilis royle with extractant solution, centrifuging, and separating into three layers, wherein the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder residue; taking an upper oil phase;
the extractant solution is citric acid solution.
The layering effect of three layers can be obtained by adopting the citric acid solution to extract the prinsepia utilis royle powder, so that the final extract mixed solution is the layering effect of three layers, namely the upper layer is an oil phase, the middle layer is a water phase and the lower layer is powder slag, and the upper layer oil phase is conveniently obtained. The method utilizes the principle of oil-water incompatibility, and simultaneously has lighter oil density than water, so that two-phase separation can be effectively carried out. The citric acid solution is adopted for extraction, so that the conductivity can be effectively improved, the incompatibility of water and oil is increased, the layering effect is improved, meanwhile, unstable ingredients such as chlorophyll and lutein can be effectively removed, the prinsepia utilis royle oil with high yield is obtained, and the stability of the prinsepia utilis royle oil obtained by extraction is good.
In other embodiments of the present application, the citric acid solution comprises 0.2% -2.0% citric acid by weight of prinsepia utilis royle.
In other embodiments of the present application, the weight of water in the extractant solution is 2-10 times the weight of prinsepia utilis royle.
In other embodiments of the present application, extracting prinsepia utilis royle with an extractant solution comprises:
mixing the mixed solution of Prinsepia utilis royle powder and extractant solution, stirring and extracting at 30-60deg.C for 1.0-4.0 hr.
In other embodiments of the present application, the preparation step of the mixed solution of prinsepia utilis royle powder and extractant solution comprises:
adding water and citric acid powder into Prinsepia utilis royle powder, and stirring uniformly;
optionally, the stirring time is 10min-30min.
In other embodiments of the present application, the preparation method further comprises:
when the Prinsepia utilis royle is extracted by adopting an extractant solution, a pulse electric field is carried out;
the electric field strength is 1kV/cm-7kV/cm when the pulse electric field is carried out;
the number of pulses in the pulsed electric field is 10 to 80.
In other embodiments of the present application, the preparation method further comprises:
carrying out adsorption treatment on the upper oil phase;
adding adsorbent into the upper oil phase, stirring, centrifuging, filtering, and collecting supernatant.
In other embodiments of the present application, the adsorbent is clay; the addition amount of the clay is 1.0% -10% of the mass of the upper oil phase.
In other embodiments of the present application, the preparation method further comprises:
after adsorption treatment of the upper oil phase, the supernatant is also filtered, optionally through a 0.20 μm-0.25 μm sieve.
In a second aspect, the present application provides a cosmetic comprising prinsepia utilis royle oil produced by the method of producing prinsepia utilis royle oil of any one of the preceding claims.
The cosmetic has good oxidation resistance.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
Accordingly, the detailed description of the embodiments of the present application provided below is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Some embodiments of the present application provide a method for preparing prinsepia utilis royle oil comprising the steps of:
and S1, preparing raw materials to be extracted.
In some embodiments of the present application, sun-dried prinsepia utilis royle fruits are taken and crushed to obtain prinsepia utilis royle fruit powder.
The extraction efficiency can be improved by pulverizing Prinsepia utilis royle into powder.
And S2, preparing an extractant solution.
In some embodiments of the present application, the extractant solution is a citric acid solution.
The layering effect of three layers can be obtained by adopting the citric acid solution to extract the prinsepia utilis royle powder, so that the final extract mixed solution is the layering effect of three layers, namely the upper layer is an oil phase, the middle layer is a water phase and the lower layer is powder slag, and the upper layer oil phase is conveniently obtained. The principle that oil and water are not compatible is utilized, meanwhile, the oil density is lighter than that of water, two-phase separation can be effectively carried out, meanwhile, citric acid solution is adopted for extraction, the conductivity can be effectively improved, the incompatibility of water and oil is increased, the layering effect is improved, meanwhile, unstable components such as chlorophyll and lutein are effectively removed, the yield of prinsepia utilis royle is improved, and meanwhile, the stability of prinsepia utilis royle oil is ensured.
In some embodiments of the present application, the citric acid solution comprises 0.2% -2.0% citric acid by weight of prinsepia utilis royle.
Further alternatively, the citric acid solution comprises 0.21% -1.98% by weight of citric acid. Further alternatively, the citric acid solution comprises 0.22% -1.97% citric acid by weight of Prinsepia utilis royle.
Illustratively, the citric acid solution comprises 0.25%, 0.30%, 0.35%, 0.40%, 0.50%, 0.60%, 0.70%, 0.80%, 0.90%, 1.00%, 1.20%, 1.50%, 1.90% by weight of citric acid.
Further, in some embodiments of the present application, the weight of water in the extractant solution is 2-10 times the weight of the prinsepia utilis royle.
Further alternatively, the weight of water in the extractant solution is 2.1-9.5 times the weight of Prinsepia utilis royle. Further alternatively, the weight of water in the extractant solution is 2.5-9.0 times the weight of Prinsepia utilis royle. Further alternatively, the weight of water in the extractant solution is 3.0-8.0 times the weight of Prinsepia utilis royle.
Illustratively, the weight of water in the extractant solution is 3.5 times, 4.0 times, 4.5 times, 5.0 times, 5.5 times, 6.0 times, or 7.0 times the weight of the prinsepia utilis royle.
In other optional embodiments of the present application, water and citric acid powder may be added to the prinsepia utilis royle powder for extraction; the extractant solution is not prepared separately.
And S3, extracting prinsepia utilis royle by adopting an extractant solution.
And (3) adding the extractant solution prepared in the step S2 into the prinsepia utilis royle powder prepared in the step S1.
In some embodiments, extracting prinsepia utilis royle with the extractant solution comprises:
mixing the mixed solution of Prinsepia utilis royle powder and extractant solution, stirring and extracting at 30-60deg.C for 1.0-4.0 hr.
Specifically, the extractant solution prepared in the step S2 is mixed with the prinsepia utilis royle powder prepared in the step S1 to obtain a liquid, and then the liquid is stirred and extracted at the temperature of 30-60 ℃ for 1.0-4.0 hours.
Further alternatively, the extractant solution prepared in step S2 is mixed with the prinsepia utilis royle powder prepared in step S1 to obtain a liquid, which is then stirred at 31-59 ℃ for extraction for 1.1-3.9 hours.
Further alternatively, the extractant solution prepared in the step S2 is mixed with the prinsepia utilis royle powder prepared in the step S1 to obtain a liquid, and then the liquid is extracted at the temperature of 32-58 ℃ for 1.2-3.8 hours under stirring.
Further alternatively, the extractant solution prepared in the step S2 is mixed with the prinsepia utilis royle powder prepared in the step S1 to obtain a liquid, and then the liquid is extracted at 35-55 ℃ for 1.5-3.5 hours under stirring.
Illustratively, the extractant solution prepared in step S2 is mixed with the Prinsepia utilis royle powder prepared in step S1 to obtain a liquid, which is then extracted at 36, 38, 40, 45, 50 or 52 ℃ for 1.5, 1.6, 1.8, 2.0, 2.5 or 3.0 hours with stirring.
Further, in some embodiments of the present application, the preparation step of obtaining a mixed solution of prinsepia utilis royle powder and an extractant solution comprises:
adding water and citric acid powder into Prinsepia utilis royle powder, and stirring.
Further, in some embodiments of the present application, the stirring time described above is 10min-30min. Further alternatively, the stirring time is 11min-29min. Further alternatively, the stirring time is 12min-28min. Further alternatively, the stirring time is 15min-26min. Further alternatively, the stirring time is 18min-25min.
Illustratively, the agitation time described above is 19min, 20min, 21min, 22min, 23min, 24min, or 25min.
And S4, extracting under the condition of a pulsed electric field.
Further, when the Prinsepia utilis royle is extracted by using the extractant solution, a pulse electric field is performed.
The high-voltage pulse electric field is utilized to break the cell wall, so that the precipitation of intracellular substances can be improved, and meanwhile, the high-temperature organic solvent treatment is not needed, so that the cost can be reduced, and the environment is protected.
Further, in some embodiments of the present application, the electric field strength at which the pulsed electric field is performed is 1kV/cm to 7kV/cm.
Further alternatively, the electric field strength at the time of the pulsed electric field is 1.2kV/cm to 6.8kV/cm. Further alternatively, the electric field strength at the time of the pulsed electric field is 1.5kV/cm to 6.5kV/cm. Further alternatively, the electric field strength at the time of the pulsed electric field is 2.0kV/cm to 6.2kV/cm. Further alternatively, the electric field strength at the time of the pulsed electric field is 2.5kV/cm to 6.0kV/cm.
The electric field strength at the time of the pulsed electric field is exemplified as 2.5kV/cm, 3.0kV/cm, 3.5kV/cm, 4.0kV/cm, 4.5kV/cm, 5.0kV/cm, 5.5kV/cm or 6.0kV/cm.
Further, in some embodiments of the present application, the number of pulses when the pulsed electric field is performed is 10 to 80.
Further, in some embodiments of the present application, the number of pulses when the pulsed electric field is performed is 11-79. Further, in some embodiments of the present application, the number of pulses when the pulsed electric field is performed is 15-75. Further, in some embodiments of the present application, the number of pulses when the pulsed electric field is performed is 20 to 70.
Illustratively, in some embodiments of the present application, the number of pulses at which the pulsed electric field is performed is 22, 25, 30, 35, 40, 45, 50, 55, 60, or 65.
According to the preparation method of the prinsepia utilis royle oil, prinsepia utilis royle is extracted by adopting the citric acid solution and is cooperated with the pulse electric field, the electric conductivity can be improved by adopting the citric acid to extract, the incompatibility of water and oil is increased, and the layering effect is improved, so that the excellent extraction and separation effect can be obtained under the condition of adopting lower electric field intensity. By adopting the preparation method of the prinsepia utilis royle oil, provided by the embodiment of the application, the efficient and excellent extraction and separation effects can be realized under 7kV/cm. In the conventional extraction method in the field, a high-voltage pulse electric field of 30 kV/cm-50 kV/cm is required to break the cell wall, so that the precipitation of substances in cells is realized.
Compared with the conventional method in the field, the preparation method of the prinsepia utilis royle oil greatly reduces the intensity of a high-voltage pulse electric field, reduces the cost and ensures the excellent extraction effect.
S5, extracting prinsepia utilis royle with an extractant solution, centrifuging, and dividing into three layers, wherein the upper layer is an oil phase, the middle layer is a water phase, and the lower layer is powder slag; and taking an upper oil phase, and then carrying out adsorption treatment on the upper oil phase.
In some embodiments of the present application, the adsorbent is added to the upper oil phase, and after stirring, centrifugation, and filtration, the supernatant is removed.
Further, in some embodiments of the present application, the adsorbent is clay; the addition amount of the clay is 1.0% -10% of the mass of the upper oil phase.
Further alternatively, in some embodiments of the present application, clay is added in an amount of 1.2% to 9.8% by mass of the upper oil phase. Further alternatively, in some embodiments of the present application, clay is added in an amount of 1.5% to 9.5% by mass of the upper oil phase. Further alternatively, in some embodiments of the present application, clay is added in an amount of 1.0% to 9.0% by mass of the upper oil phase.
Illustratively, in some embodiments of the present application, the clay is added in an amount of 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 4.5%, 5.0%, 5.5%, 6.0%, 6.5%, 7.0%, 7.5%, 8.0%, or 8.5% of the mass of the upper oil phase.
The stability of the prinsepia utilis royle can be improved by adding clay. The stability of the prinsepia utilis royle oil can be improved by adding clay. The prinsepia utilis royle oil obtained through extraction and separation in the steps S1-S4 is turbid, and impurities can be adsorbed by adding clay, so that the stability of the prinsepia utilis royle oil is improved. In the field, clay is usually used for decoloring, and clay is creatively used for adsorbing prinsepia utilis royle oil, so that the clarity of prinsepia utilis royle oil is greatly improved, and the stability of high prinsepia utilis royle is higher.
And S6, filtering the supernatant after the upper oil phase is subjected to adsorption treatment.
By filtering the supernatant, impurities in the upper layer oil can be further removed.
Further, in some embodiments of the present application, the supernatant is filtered through a 0.20 μm to 0.25 μm sieve.
Further alternatively, in some embodiments of the present application, the supernatant is filtered through a 0.21 μm to 0.24 μm sieve. Further alternatively, in some embodiments of the present application, the supernatant is filtered through a 0.22 μm to 0.23 μm sieve.
Illustratively, the supernatant is filtered through a 0.21 μm sieve, a 0.22 μm sieve, a 0.23 μm sieve, a 0.24 μm sieve.
Some embodiments of the present application provide a prinsepia utilis royle oil, which is prepared by the preparation method of the prinsepia utilis royle oil provided in any one of the foregoing embodiments.
Some embodiments of the present application provide a cosmetic comprising Prinsepia utilis oil produced by the method of producing Prinsepia utilis oil provided in any of the preceding embodiments.
The features and capabilities of the present application are described in further detail below in connection with the examples.
Example 1
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 1.0% of citric acid powder by weight of the Prinsepia utilis royle powder, stirring for 20min, and carrying out electric field intensity of 5kV/cm and pulse number of 60.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 5.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 2
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 0.2% of citric acid powder by weight of the Prinsepia utilis royle powder, stirring for 20min, and carrying out electric field intensity of 5kV/cm and pulse number of 60.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 5.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 3
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 1.0% of citric acid powder by weight of the Prinsepia utilis royle powder, stirring for 20min, and carrying out electric field strength of 7kV/cm and pulse number of 80.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 5.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 4
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 1.0% of citric acid powder by weight of the Prinsepia utilis royle powder, stirring for 20min, and carrying out electric field intensity of 5kV/cm and pulse number of 60.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 1.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 5
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water of the weight of the Prinsepia utilis royle powder prepared in the step (1), and carrying out electric field intensity of 5kV/cm and pulse number of 60.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 1.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 6
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 1.0% of citric acid powder by weight of the Prinsepia utilis royle powder, and stirring for 20min.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase. Adding activated clay with the oil phase mass of 1.0%, stirring for 1.0h, centrifuging, and collecting supernatant.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Example 7
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the Prinsepia utilis royle powder prepared in the step (1), adding 1.0% of citric acid powder by weight of the Prinsepia utilis royle powder, stirring for 20min, and carrying out electric field intensity of 5kV/cm and pulse number of 60.
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Comparative example 1
Providing prinsepia utilis royle oil, which is prepared according to the following preparation steps:
(1) Taking sun-dried prinsepia utilis royle fruits, and crushing to obtain prinsepia utilis royle fruit powder.
(2) Adding 6 times of water by weight of the prinsepia utilis royle powder prepared in the step (1).
(3) Stirring at 30-60deg.C for 2.0 hr, and centrifuging.
(4) After centrifugation, there are three layers, the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder slag. Taking the upper oil phase.
(5) Filtering to 0.22 μm to obtain Prinsepia utilis royle oil.
Experimental example 1
And calculating the yield of the prinsepia utilis royle oil by adopting a weighing method. The weights A and B of the Prinsepia utilis royle oil prepared by the corresponding methods A and the Prinsepia utilis royle powder prepared by the examples 1-7 and the comparative example 1 are recorded, and the Prinsepia utilis royle oil yield is calculated. Wherein, the yield% = B (oil weight)/a (corresponding prinsepia utilis royle powder weight) is 100.
The experimental results are shown in Table 1.
TABLE 1
As can be seen from Table 1, the Prinsepia utilis oil yield was highest in example 1, reaching 28.6%, and the Prinsepia utilis oil yields of examples 2-7 were inferior, but were much higher than in comparative example 1. The prinsepia utilis royle oil yield of the embodiment of the application is above 22%, and the comparative example is only 15.7%; therefore, the preparation method of the application utilizes the citric acid solution to extract the prinsepia utilis royle oil, can promote layering, increase precipitation of the prinsepia utilis royle oil, and effectively improve the yield.
Experimental example 2:
stability of Prinsepia utilis royle oil
200mL of the Prinsepia utilis royle oil prepared in examples 1 to 7 and comparative example 1 were placed at room temperature (25 ℃), at-18℃and at-45℃for 7 days alternately, and stability observation was performed under four conditions for 60 days to measure acid value and peroxide value. The results are shown in Table 2:
TABLE 2
From table 2, it can be seen that the prinsepia utilis royle oil obtained in examples 1 to 7 of the present application has good stability, and thus, the preparation method of the present application is described, and the stability of grease can be increased by extracting prinsepia utilis royle oil with citric acid solution, and is not easy to rancidity. Further, it can be seen that clay also improves grease stability.
Experimental example 3: antioxidant experiment
Preparing a DPPH/methanol solution with the concentration of 0.2 mmol/L; 10% of the sample solutions of examples 1-7 and comparative example 1 were prepared with methanol.
(1) 2mL of sample solution and 2mL of LDPPH solution are placed in a test tube with a plug, uniformly mixed and reacted in a dark place for 30min, 1-2 mL of supernatant is taken, a microinjector (1 mL) is used for filtering (0.22 mu m), 200mL of absorbance A1 at 517nm wavelength of an enzyme-labeled instrument is taken;
(2) 2mL of sample solution and 2mL of methanol are uniformly mixed in a test tube with a plug, the reaction is carried out for 30min in a dark place, 1-2 mL of supernatant fluid is taken, a microinjector (1 mL) is used for filtering (0.22 mu m), 200mL of absorbance A2 under 517nm wavelength of an enzyme-labeled instrument is taken;
(3) 2mLDPPH solution and 2mL of methanol are mixed uniformly in a test tube with a plug, the mixture is reacted for 30min in a dark place, 1 to 2mL of supernatant is taken, a microinjector (1 mL) is used for filtering (0.22 mu m), 200mL of absorbance A0 under 517nm wavelength of an enzyme-labeled instrument is taken;
and (3) data processing:
the experimental results are shown in table 3:
TABLE 3 Table 3
| Sample of | Clearance rate% |
| Example 1 | 85.3 |
| Example 2 | 76.8 |
| Example 3 | 74.5 |
| Example 4 | 79.6 |
| Example 5 | 69.2 |
| Example 6 | 65.1 |
| Example 7 | 67.4 |
| Comparative example 1 | 45.3 |
From the above test results, it can be seen that the prinsepia utilis royle oil of examples 1 to 7 of the present application has good oxidation resistance, which is much higher than that of comparative example 1. Therefore, the cosmetics prepared from the prinsepia utilis royle oil prepared by the embodiment of the application have good oxidation resistance.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (6)
1. A method for preparing prinsepia utilis royle oil, comprising:
extracting Prinsepia utilis royle with extractant solution, centrifuging, and separating into three layers, wherein the upper layer is oil phase, the middle layer is water phase, and the lower layer is powder residue; taking an upper oil phase;
the extractant solution is citric acid solution;
the content of the citric acid in the citric acid solution is 0.2-2.0% of that of the prinsepia utilis royle;
the weight of water in the extractant solution is 2-10 times of that of the prinsepia utilis royle;
the extraction of prinsepia utilis royle with the extractant solution comprises:
stirring and extracting mixed solution of Prinsepia utilis royle powder and extractant solution at 30-60deg.C for 1.0-4.0 hr;
when the Prinsepia utilis royle is extracted by adopting an extractant solution, a pulse electric field is carried out;
the electric field strength in the process of carrying out the pulse electric field is 1kV/cm-7kV/cm;
the number of pulses in the process of carrying out the pulse electric field is 10-80;
carrying out adsorption treatment on the upper oil phase;
adding an adsorbent into the upper oil phase, stirring, centrifuging, filtering, and taking supernatant;
the adsorbent is clay; the addition amount of the clay is 1.0% -10% of the mass of the upper oil phase.
2. The method for preparing prinsepia utilis royle oil according to claim 1, wherein,
the preparation method of the mixed solution of the prinsepia utilis royle powder and the extractant solution comprises the following steps:
adding water and citric acid powder into Prinsepia utilis royle powder, and stirring.
3. The method for preparing prinsepia utilis royle oil according to claim 2, wherein,
stirring time is 10min-30min.
4. The method for preparing prinsepia utilis royle oil according to claim 1, wherein,
the preparation method further comprises the following steps:
and (3) filtering the supernatant after the upper oil phase is subjected to adsorption treatment.
5. The method for preparing prinsepia utilis royle oil according to claim 4, wherein,
sieving with 0.20 μm-0.25 μm sieve.
6. A cosmetic comprising the prinsepia utilis royle oil produced by the method of producing prinsepia utilis royle oil as claimed in any one of claims 1 to 5.
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