CN111437220A - Camellia oil fatty acid ester composition and preparation method and application thereof - Google Patents
Camellia oil fatty acid ester composition and preparation method and application thereof Download PDFInfo
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- CN111437220A CN111437220A CN202010355599.6A CN202010355599A CN111437220A CN 111437220 A CN111437220 A CN 111437220A CN 202010355599 A CN202010355599 A CN 202010355599A CN 111437220 A CN111437220 A CN 111437220A
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/673—Vitamin B group
- A61K8/675—Vitamin B3 or vitamin B3 active, e.g. nicotinamide, nicotinic acid, nicotinyl aldehyde
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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
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0212—Face masks
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/678—Tocopherol, i.e. vitamin E
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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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/10—Anti-acne agents
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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
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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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- 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
- A61K2800/10—General cosmetic use
Abstract
The invention provides a camellia oil fatty acid ester composition, a preparation method and an application thereof, wherein the camellia oil fatty acid ester comprises the following raw materials: camellia oil fatty acid ester, bisabolol, vitamin E, nicotinamide, a pH regulator, a humectant and a thickening agent. The camellia oil fatty acid ester composition can be used as facial mask liquid for preparing facial masks. By adding camellia oil fatty acid ester, the composition has good DPPH removing effect and has higher DPPH removing rate at low concentration than the composition taking camellia oil as raw material; the facial mask prepared by taking the camellia oil fatty acid ester composition as the facial mask liquid can better improve the smoothness of the skin, and has excellent effects of moisturizing and inhibiting facial acne.
Description
Technical Field
The invention belongs to the technical field of beauty and skin care products, and particularly relates to a camellia oil fatty acid ester composition, and a preparation method and application thereof.
Background
The facial mask is a carrier of a beauty care product, temporarily isolates outside air and pollution by using a short time of covering the facial mask on the face, improves the temperature of the skin, expands pores of the skin, promotes secretion and metabolism of sweat glands, increases the oxygen content of the skin, is beneficial to the skin to remove products of metabolism of epidermal cells and accumulated grease substances, and ensures that water in the facial mask permeates into the horny layer of the epidermis, the skin becomes soft and the skin can be naturally bright and elastic.
The camellia oil is rich in fatty acid, camellin, tea polyphenol, saponin, tannin, squalane, flavonoid substances, vitamin E and various trace elements, and is easy to be absorbed by human body. In addition to being used for preparing foods, it is also used for preparing various cosmetics. For example, CN107412018A adopts pure natural active camellia oil, xanthan gum and other raw materials to prepare a skin-care mask lotion which has the effects of improving skin moisture retention, preventing sunburn, removing wrinkles, softening and moistening blood vessels, recovering elasticity and the like. CN107281026A A functional skin care product is prepared from camellia oil and cosmetic additive comprising extracts of flos Camelliae Japonicae, folium Camelliae Japonicae, Glycyrrhrizae radix and Ginseng radix, and has good moisture keeping effect. However, although the use of the high fatty acid content of camellia oil is helpful for improving the moisturizing performance of skin care products, it has serious disadvantages in improving the skin smoothing performance.
Disclosure of Invention
The invention aims to provide a camellia oil fatty acid ester composition which can effectively improve the smoothness of skin and has the advantages of excellent water replenishing and moisturizing effects and facial acne inhibition.
The camellia oil fatty acid ester composition provided by the invention comprises the following raw materials in parts by weight:
0.2-1.2 parts of camellia oil fatty acid ester;
0.2-0.8 part of bisabolol;
0.5-1.5 parts of vitamin E;
0.5-1.5 parts of nicotinamide;
0-1.5 parts of a pH regulator;
2.8-10.8 parts of a humectant;
0-8.0 parts of a thickening agent;
0-0.1 part of preservative.
Further, the camellia oil fatty acid ester has an acid value of 0.1-1.0 mg KOH/g, a saponification value of 170-190 mg KOH/g, a hydroxyl value of 20-60 mg KOH/g, an esterification rate of 80-95%, a freezing point of-10-2 ℃, and a density of 0.92-1.00 g/cm3。
Further, the camellia oil fatty acid ester composition comprises the following raw materials in parts by weight (the sum of the parts by weight of the raw materials is 100 parts):
0.2-1.2 parts of camellia oil fatty acid ester;
0.2-0.8 part of bisabolol;
0.5-1.5 parts of vitamin E;
0.5-1.5 parts of nicotinamide;
0-1.5 parts of a pH regulator;
2.8-10.8 parts of a humectant;
2.0-8.0 parts of a thickening agent;
0.02-0.1 part of preservative;
the balance of water.
Further, the camellia oil fatty acid ester is selected from at least one of camellia oil fatty acid ethyl ester, camellia oil fatty acid ethylhexyl ester and camellia oil fatty acid glyceride.
Further, the pH adjusting agent is at least one selected from the group consisting of citric acid, sodium citrate, lactic acid, potassium hydroxide, and sodium hydroxide.
Further, the humectant is selected from at least one of glycerin, 1, 3-butanediol, sodium hyaluronate and agar. In some preferred embodiments, the humectant is a combination of four of glycerin, 1, 3-butanediol, sodium hyaluronate, and agar.
Further, the thickening agent is selected from acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymers, is an acrylate cross-linked polymer obtained by combining C10-30 acrylate and high-polymer monomers of acrylic acid or methacrylic acid, and is also called carbomer.
Further, the preservative is selected from at least one of diazolidinyl urea, potassium sorbate and methylisothiazolinone.
Further, when the humectant is a combination of four of glycerin, 1, 3-butanediol, sodium hyaluronate and agar, the camellia oil fatty acid ester composition comprises the following raw materials in parts by weight (the sum of the parts by weight of the raw materials is 100 parts):
0.2-1.2 parts of camellia oil fatty acid ester;
0.2-0.8 part of bisabolol;
0.5-1.5 parts of vitamin E;
0.5-1.5 parts of nicotinamide;
0-1.5 parts of a pH regulator;
2.0-8.0 parts of glycerol;
0.5-1.5 parts of 1, 3-butanediol;
0.1-0.5 part of sodium hyaluronate;
0.2-0.8 parts of agar;
2.0-8.0 parts of a thickening agent;
0.02-0.1 part of preservative;
the balance of water.
Further, when the humectant is a combination of four of glycerin, 1, 3-butanediol, sodium hyaluronate and agar, the camellia oil fatty acid ester composition comprises the following raw materials in parts by weight (the sum of the parts by weight of the raw materials is 100 parts):
0.5-1.0 part of camellia oil fatty acid ester;
0.4-0.6 parts of bisabolol;
0.8-1.2 parts of vitamin E;
0.8-1.2 parts of nicotinamide;
0-0.8 part of pH regulator;
4.0-6.0 parts of glycerol;
0.8-1.2 parts of 1, 3-butanediol;
0.2-0.4 part of sodium hyaluronate;
0.4-0.6 parts of agar;
4.0-6.0 parts of a thickening agent;
0.04-0.8 part of preservative;
the balance of water.
The invention also provides a preparation method of the camellia oil fatty acid ester composition, which comprises the following steps:
(1) uniformly stirring camellia oil fatty acid ester, bisabolol and a thickening agent to obtain a mixed solution A;
(2) adding part of the humectant, the nicotinamide and the preservative into water, and uniformly mixing to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, adding the rest humectant and vitamin E, and uniformly stirring to obtain a mixed solution C;
(4) and adding a pH regulator into the mixed solution C, and regulating the pH to 5-7.
In some preferred embodiments, when the humectant is a combination of glycerin, 1, 3-butanediol, sodium hyaluronate, and agar, then a method of making a camellia oil fatty acid ester composition, comprises the steps of:
(1) uniformly stirring camellia oil fatty acid ester, bisabolol and a thickening agent at 50 ℃ to obtain a mixed solution A;
(2) adding agar, nicotinamide and preservative into water, mixing uniformly at 80 ℃, and cooling to 50 ℃ to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, then adding glycerol, 1, 3-butanediol, vitamin E and sodium hyaluronate, uniformly stirring at 50 ℃, and cooling to room temperature to obtain a mixed solution C;
(4) and adding a pH regulator into the mixed solution C, regulating the pH to 5-7, and adding water to 100 parts.
Further, the preparation method of the camellia oil fatty acid ester comprises the following steps: under the action of a catalyst at the temperature of 30-60 ℃, the mass ratio is (7-30): the camellia oil of 1 is reacted with alcohol for 20-48 h to obtain camellia oil fatty acid ester.
Further, a cosolvent is added in the reaction, and the mass ratio of the cosolvent to the camellia oil is (0.5-1.5): 1, the cosolvent is selected from camellia oil fatty acid esters, such as camellia oil fatty acid ethyl ester, camellia oil fatty acid glyceride, camellia oil fatty acid ethylhexyl ester, and the like.
Further, the catalyst is selected from lipase, preferably, the lipase is selected from at least one of NOVOZYM435 immobilized lipase, L IPASE NS immobilized lipase, L IPOZYME RM IM immobilized lipase, L IPASE PS IM immobilized lipase and L IPASE-RH immobilized lipase.
Further, the alcohol is at least one selected from the group consisting of ethanol, glycerol, and 2-ethylhexanol.
Further, the camellia oil has an acid value of 1.32mg KOH/g, a hydroxyl value of 22.21mg KOH/g, a freezing point of-10 to-5 ℃ and a density of 0.91g/cm3。
The invention also provides application of the camellia oil fatty acid ester composition in preparation of skin care products.
The skin care product can be selected from facial masks, the facial masks comprise the camellia oil fatty acid ester composition and facial mask cloth, and the preparation method comprises the following steps: soaking facial mask cloth with camellia oil fatty acid ester composition; the mask can also be prepared into a smearing type mask without mask cloth according to the actual situation.
Further, the mask cloth is selected from at least one of non-woven fabric, fruit fiber cloth and silk cloth.
The camellia oil fatty acid ester composition of the invention uses camellia oil fatty acid ester, bisabolol, vitamin E and nicotinamide as skin conditioners together, the camellia oil fatty acid ester is obtained by reacting camellia oil with various alcohols, and components beneficial to human bodies, such as tea polyphenol, saponin, tannin, squalene and the like in the camellia oil, are reserved. Wherein the tea polyphenols have various physiological activities of resisting oxidation, preventing radiation, resisting aging, reducing blood lipid, reducing blood sugar, inhibiting bacteria and inhibiting enzyme; the saponin has antibacterial activity or antipyretic, sedative, and anticancer effects; the tannin has astringent effect, and can be used for tightening skin and removing pox; the antioxidant capacity of squalene is stronger than that of other lipid molecules in skin, and can effectively inhibit cascade amplification of lipid peroxidation, so as to help skin resist damage caused by ultraviolet irradiation and other oxidation reactions, reduce facial wrinkles, and improve facial erythema and pigmentation. More importantly, the camellia oil fatty acid ester converts unsaturated fatty acid rich in camellia oil into unsaturated fatty acid ester, so that the freezing point is lowered, and the skin moistening performance is improved.
The bisabolol is a substance extracted from yellow chrysanthemum, has good compatibility with skin, can act on skin well, and has effects of caring skin, resisting bacteria and diminishing inflammation.
Vitamin E can maintain the integrity of the human skin surface, simultaneously keep the moisture and luster of the human skin surface and improve the glossiness of human hair.
Nicotinamide can accelerate metabolism, promote collagen synthesis, prevent melanin from being excessively deposited, and achieve the effect of whitening. The nicotinamide can also control the secretion of grease and achieve the purpose of shrinking pores.
Compared with the prior art, the invention has the following technical effects:
(1) the camellia oil fatty acid ester composition has the effects of improving skin smoothness, moisturizing, inhibiting facial acne and resisting oxidation.
(2) The camellia oil fatty acid ester composition of the invention reduces the amount of pH modifier compared to camellia oil skin care products.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The preparation method of camellia oil fatty acid ester in the following examples comprises the following steps: under the action of a catalyst at the temperature of 30-60 ℃, the mass ratio is (7-30): the camellia oil of 1 is reacted with alcohol for 20-48 h to obtain camellia oil fatty acid ester.
Further, a cosolvent is added in the reaction, and the mass ratio of the cosolvent to the camellia oil is (0.5-1.5): 1, the cosolvent is selected from camellia oil fatty acid esters, such as camellia oil fatty acid ethyl ester, camellia oil fatty acid glyceride, camellia oil fatty acid ethylhexyl ester, and the like.
Further, the catalyst is selected from lipase, preferably, the lipase is selected from at least one of NOVOZYM435 immobilized lipase, L IPASE NS immobilized lipase, L IPOZYME RM IM immobilized lipase, L IPASE PS IM immobilized lipase and L IPASE-RH immobilized lipase.
Further, the alcohol is at least one selected from the group consisting of ethanol, glycerol, and 2-ethylhexanol.
Further, the camellia oil has an acid value of 1.32mg KOH/g, a hydroxyl value of 22.21mg KOH/g, a freezing point of-10 to-5 ℃ and a density of 0.91g/cm3。
In practical application, the camellia oil fatty acid ester can be prepared by other methods, and other raw materials can be obtained from conventional commercial sources without special description.
Example 1
The embodiment provides a camellia oil fatty acid ester composition, which comprises the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
0.2 part of camellia oil fatty acid ethyl ester;
0.2 part of bisabolol;
0.5 part of vitamin E;
0.5 part of nicotinamide;
0.1 part of citric acid;
2.0 parts of glycerol;
1.5 parts of 1, 3-butanediol;
0.1 part of sodium hyaluronate;
0.8 part of agar;
2.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.02 part of diazolidinyl urea;
the balance of water.
Wherein the camellia oil fatty acid ethyl ester has an acid value of 0.1mg KOH/g, a saponification value of 190mg KOH/g, a hydroxyl value of 22mg KOH/g, an esterification rate of 95%, a freezing point of-10 to-8 ℃ and a density of 0.92g/cm3。
The preparation method of the camellia oil fatty acid ester composition comprises the following steps:
(1) uniformly stirring camellia oil fatty acid ethyl ester, bisabolol and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer, and obtaining a mixed solution A at 50 ℃;
(2) adding agar, nicotinamide and diazolidinyl urea into 5 parts of water, uniformly mixing at 80 ℃, and cooling to 50 ℃ to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, then adding glycerol, 1, 3-butanediol, vitamin E and sodium hyaluronate, uniformly stirring at 50 ℃, and cooling to room temperature to obtain a mixed solution C;
(4) and adding citric acid into the mixed solution C, adjusting the pH to 6, adding water to 100 parts, and uniformly stirring.
The present invention also provides a facial mask, which is prepared by using the camellia oil fatty acid ester composition as a mask solution, using a non-woven fabric as a mask cloth, and soaking the mask cloth with the camellia oil fatty acid ester composition. After the mask is prepared, the mask is sealed and stored in a dark place.
Example 2
The embodiment provides a camellia oil fatty acid ester composition, which comprises the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
0.4 part of camellia oil fatty acid ethylhexyl ester;
0.4 part of bisabolol;
0.5 part of vitamin E;
0.5 part of nicotinamide;
0.05 part of sodium citrate;
4.0 parts of glycerol;
0.5 part of 1, 3-butanediol;
0.1 part of sodium hyaluronate;
0.2 part of agar;
8.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.02 part of methylisothiazolinone;
the balance of water.
Wherein the fatty acid ethylhexyl ester of camellia oil has an acid value of 1.0mg KOH/g, a saponification value of 170mg KOH/g, a hydroxyl value of 32mg KOH/g, an esterification rate of 80%, a freezing point of-5 to-2 deg.C, and a density of 0.98g/cm3。
The preparation method of the camellia oil fatty acid ester composition comprises the following steps:
(1) mixing oleum Camelliae Japonicae fatty acid ethylhexyl ester, bisabolol, and acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer, stirring at 50 deg.C to obtain mixed solution A;
(2) adding agar, nicotinamide and methylisothiazolinone into 5 parts of water, uniformly mixing at 80 ℃, and cooling to 50 ℃ to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, then adding glycerol, 1, 3-butanediol, vitamin E and sodium hyaluronate, uniformly stirring at 50 ℃, and cooling to room temperature to obtain a mixed solution C;
(4) and adding sodium citrate into the mixed solution C, adjusting the pH to 7, adding water to 100 parts, and uniformly stirring.
The present invention also provides a facial mask, which is prepared by using the camellia oil fatty acid ester composition as a mask solution, using silk cloth as a mask cloth, and soaking the mask cloth with the camellia oil fatty acid ester composition. After the mask is prepared, the mask is sealed and stored in a dark place.
Example 3
The embodiment provides a camellia oil fatty acid ester composition, which comprises the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
0.6 part of camellia oil fatty glyceride;
0.2 part of bisabolol;
1.0 part of vitamin E;
1.5 parts of nicotinamide;
0.1 part of lactic acid;
6.0 parts of glycerol;
0.5 part of 1, 3-butanediol;
0.5 part of sodium hyaluronate;
0.2 part of agar;
8.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.1 part of potassium sorbate;
the balance of water.
Wherein the camellia oil fatty glyceride has an acid value of 0.4mg KOH/g, a saponification value of 175mg KOH/g, a hydroxyl value of 60mg KOH/g, an esterification rate of 85%, a freezing point of-7 to-4 ℃, and a density of 0.95g/cm3。
The preparation method of the camellia oil fatty acid ester composition comprises the following steps:
(1) uniformly stirring camellia oil fatty glyceride, bisabolol and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer at 50 ℃ to obtain a mixed solution A;
(2) adding agar, nicotinamide and potassium sorbate into 5 parts of water, uniformly mixing at 80 ℃, and cooling to 50 ℃ to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, then adding glycerol, 1, 3-butanediol, vitamin E and sodium hyaluronate, uniformly stirring at 50 ℃, and cooling to room temperature to obtain a mixed solution C;
(4) adding lactic acid into the mixed solution C, adjusting the pH to 6, adding water to 100 parts, and uniformly stirring.
The present invention also provides a facial mask, which is prepared by using the camellia oil fatty acid ester composition as a mask solution, using silk cloth as a mask cloth, and soaking the mask cloth with the camellia oil fatty acid ester composition. After the mask is prepared, the mask is sealed and stored in a dark place.
Example 4
The embodiment provides a camellia oil fatty acid ester composition, which comprises the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
1.2 parts of camellia oil fatty acid ethylhexyl ester;
0.4 part of bisabolol;
0.5 part of vitamin E;
0.5 part of nicotinamide;
0.05 part of sodium citrate;
4.0 parts of glycerol;
0.5 part of 1, 3-butanediol;
0.1 part of sodium hyaluronate;
0.2 part of agar;
8.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.02 part of methylisothiazolinone;
the balance of water.
Wherein the fatty acid ethylhexyl ester of camellia oil has an acid value of 1.0mg KOH/g, a saponification value of 170mg KOH/g, a hydroxyl value of 32mg KOH/g, an esterification rate of 80%, a freezing point of-5 to-2 deg.C, and a density of 0.98g/cm3。
The preparation method of the camellia oil fatty acid ester composition comprises the following steps:
(1) mixing oleum Camelliae Japonicae fatty acid ethylhexyl ester, bisabolol, and acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer, stirring at 50 deg.C to obtain mixed solution A;
(2) adding agar, nicotinamide and methylisothiazolinone into 5 parts of water, uniformly mixing at 80 ℃, and cooling to 50 ℃ to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, then adding glycerol, 1, 3-butanediol, vitamin E and sodium hyaluronate, uniformly stirring at 50 ℃, and cooling to room temperature to obtain a mixed solution C;
(4) and adding sodium citrate into the mixed solution C, adjusting the pH to 7, adding water to 100 parts, and uniformly stirring.
The present invention also provides a facial mask, which is prepared by using the camellia oil fatty acid ester composition as a mask solution, using silk cloth as a mask cloth, and soaking the mask cloth with the camellia oil fatty acid ester composition. After the mask is prepared, the mask is sealed and stored in a dark place.
Comparative example 1
Comparative example 1 is similar to example 4, except that ethylhexyl camellia oil fatty acid ester is replaced with the same amount of camellia oil, while the amount of sodium citrate is adjusted adaptively in order to maintain the pH of the composition the same as in example 4.
Specifically, the comparative example provides a composition comprising the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
1.2 parts of camellia oil;
0.4 part of bisabolol;
0.5 part of vitamin E;
0.5 part of nicotinamide;
0.45 part of sodium citrate;
4.0 parts of glycerol;
0.5 part of 1, 3-butanediol;
0.1 part of sodium hyaluronate;
0.2 part of agar;
8.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.02 part of methylisothiazolinone;
the balance of water.
Wherein the camellia oil has an acid value of 1.32mg KOH/g, a hydroxyl value of 22mg KOH/g, a freezing point of-10 to-5 ℃ and a density of 0.91g/cm3。
The preparation of this combination was the same as in example 4.
The comparative example also provides a facial mask, which is prepared by taking the composition as facial mask liquid, silk cloth as facial mask cloth and camellia oil fatty acid ester composition to permeate the facial mask cloth. After the mask is prepared, the mask is sealed and stored in a dark place.
Comparative example 2
Comparative example 2 is similar to example 4, except that ethylhexyl camellia oil fatty acid ester is omitted, and the amount of sodium citrate is adjusted to maintain the same pH of the composition as in example 4.
Specifically, the comparative example provides a composition comprising the following raw materials in parts by mass (the sum of the parts by weight of the raw materials is 100 parts):
0.4 part of bisabolol;
0.5 part of vitamin E;
0.5 part of nicotinamide;
0.1 part of sodium citrate;
4.0 parts of glycerol;
0.5 part of 1, 3-butanediol;
0.1 part of sodium hyaluronate;
0.2 part of agar;
8.0 parts of acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer;
0.02 part of methylisothiazolinone;
the balance of water.
The preparation of this combination was the same as in example 4.
The comparative example also provides a facial mask, which is prepared by taking the composition as facial mask liquid, silk cloth as facial mask cloth and camellia oil fatty acid ester composition to permeate the facial mask cloth. After the mask is prepared, the mask is sealed and stored in a dark place.
Performance testing
1.DPPH scavenging effect
(1) Testing materials: the camellia oil fatty acid ester compositions of examples 1-4 and the compositions of comparative examples 1 and 2.
(2) The test method comprises the following steps:
accurately weighing a certain amount of DPPH, preparing 0.04mg/m L DPPH solution by absolute ethyl alcohol, respectively taking the camellia oil fatty acid ester composition of examples 1-4 and the composition of comparative examples 1 and 2, respectively preparing sample solutions with the concentration of 2, 4, 6 and 8mg/m L, then respectively taking the sample solutions with the concentration of 2m L (2, 4, 6 and 8mg/m L), adding the sample solutions into the DPPH solution of 2m L, uniformly mixing, standing at room temperature in a dark place for 30min, centrifuging at 5000r/min for 10min, taking supernate, measuring the light absorption value at 517nm, and calculating the scavenging rate of the sample on DPPH free radicals by the following formula:
wherein A is0The light absorption value of a 2m L absolute ethyl alcohol +2m L DPPH solution;
A1absorbance for 2m L sample solution +2m L DPPH solution;
A2the absorbance was 2m L sample solution +2m L absolute ethanol.
The experiment was repeated three times, and the average was taken as the final result.
The test results are shown in table 1:
TABLE 1 DPPH clearance
As can be seen from Table 1, the camellia oil fatty acid ester compositions of examples 1-4 of the present invention all have a better DPPH radical scavenging effect, and the DPPH radical scavenging effect is gradually enhanced with the increase of the fraction of the camellia oil fatty acid ester, compared with the composition using camellia oil as the raw material, the composition using camellia oil fatty acid ester as the raw material has a higher DPPD scavenging rate at a low concentration, for example, after the composition is prepared into a sample solution of 2mg/m L, the DPPH scavenging rate of example 4 is as high as 22.5, while the DPPH scavenging rate of comparative example 1 at the same concentration is only 18.6, but the DPPH scavenging rates of the two are gradually close with the increase of the concentration, and meanwhile, if the camellia oil fatty acid ester is omitted, the DPPH scavenging rate of the sample solution is significantly reduced.
2. Improving effect on skin
(1) Testing materials: the masks of examples 1 to 4 and comparative examples 1 and 2.
(2) Test objects: skin problem test volunteers (all informed consent) with the ages of 20-40 are half of all male and female.
(3) The test method comprises the following steps: volunteers were divided into 6 groups of 10 persons each, each group having half of the male and female, and the tested parts were all faces. 6 groups of volunteers were subjected to the masks of examples 1 to 4 and comparative examples 1 and 2, respectively. The facial masks of examples 1-4 and comparative examples 1 and 2 were applied to facial skin, and after half an hour, the facial masks were removed in the form of a film, and the smoothness of the skin and the moisturizing condition of the skin of the subjects who used the facial masks were evaluated and tested. Every three days, the test was performed 1 time, and facial acne suppression was evaluated after 15 days. The results of the evaluation of skin smoothness, moisturization, and inhibition of facial acne are shown in table 2, and the skin roughness and skin moisture content before and after application of the mask are shown in tables 3 and 4, respectively, wherein the data in tables 3 and 4 are the average of 10 people in each group.
(4) Favorable criteria: the skin smoothness is tested and evaluated by using a skin roughness tester before and after the facial mask is used by a tested volunteer; the skin moisturizing condition is evaluated according to the skin moisture content test before and after the tested volunteers use the mask; inhibition of facial acne was an assessment of facial acne improvement before and after 10 mask applications in test volunteers.
TABLE 2 improving effect of facial mask on skin
TABLE 3 skin roughness test
TABLE 4 skin moisturization
As can be seen from tables 2 to 4, the facial masks of the embodiments 1 to 4 of the invention have good effects of improving the smoothness of the human face, moisturizing and inhibiting facial acne, and have high evaluation rate, and the skin has low roughness and high moisture content after contacting the facial mask for 120 min; in addition, as can be seen from comparative examples 1 to 4, facial acne can be more effectively inhibited by increasing the content of camellia oil fatty acid ester within a certain range. Comparative example 1 camellia oil was used instead of camellia oil fatty acid ester, and the smoothness of human skin was not improved well and the roughness was higher due to the fact that camellia oil contains more unsaturated fatty acids and needs more alkaline pH adjusting agent for neutralization, and even worse than comparative example 2 without camellia oil fatty acid ester or camellia oil. In comparative example 2, the camellia oil fatty acid ester and camellia oil were not used, and although some effect was obtained in improving the smoothness of the skin, facial acne could not be inhibited, and the moisturizing effect was general.
In summary, by adding the camellia oil fatty acid ester, the composition has good DPPH removing effect and has higher DPPH removing rate at low concentration than the composition taking the camellia oil as the raw material; the facial mask prepared by taking the camellia oil fatty acid ester composition as the facial mask liquid can better improve the smoothness of the skin, and has excellent effects of moisturizing and inhibiting facial acne.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A camellia oil fatty acid ester composition, characterized in that: the feed comprises the following raw materials in parts by weight:
0.2-1.2 parts of camellia oil fatty acid ester;
0.2-0.8 part of bisabolol;
0.5-1.5 parts of vitamin E;
0.5-1.5 parts of nicotinamide;
0-1.5 parts of a pH regulator;
2.8-10.8 parts of a humectant;
0-8.0 parts of a thickening agent;
0-0.1 part of preservative.
2. The camellia oil fatty acid ester composition of claim 1, wherein: the camellia oil fatty acid ester has an acid value of 0.1-1.0 mg KOH/g, a saponification value of 170-190 mg KOH/g and a hydroxyl value of 20-60 mg KOH/g.
3. The camellia oil fatty acid ester composition of claim 2, wherein: the camellia oil fatty acid ester composition comprises the following raw materials in parts by weight, wherein the total parts by weight of the raw materials is 100 parts:
0.2-1.2 parts of camellia oil fatty acid ester;
0.2-0.8 part of bisabolol;
0.5-1.5 parts of vitamin E;
0.5-1.5 parts of nicotinamide;
0-1.5 parts of a pH regulator;
2.8-10.8 parts of a humectant;
2.0-8.0 parts of a thickening agent;
0.02-0.1 part of preservative;
the balance of water.
4. The camellia oil fatty acid ester composition according to any one of claims 1 to 3, wherein: the camellia oil fatty acid ester is at least one of camellia oil fatty acid ethyl ester, camellia oil fatty acid ethylhexyl ester and camellia oil fatty acid glyceride.
5. The camellia oil fatty acid ester composition according to any one of claims 1 to 3, wherein: the pH regulator is at least one selected from citric acid, sodium citrate, lactic acid, potassium hydroxide and sodium hydroxide.
6. The camellia oil fatty acid ester composition according to any one of claims 1 to 3, wherein: the humectant is at least one selected from glycerol, 1, 3-butanediol, sodium hyaluronate and agar.
7. The camellia oil fatty acid ester composition of claim 6, wherein: the humectant is a combination of glycerin, 1, 3-butanediol, sodium hyaluronate and agar.
8. The camellia oil fatty acid ester composition according to any one of claims 1 to 3, wherein: the thickening agent is selected from acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymers.
9. A method for preparing the camellia oil fatty acid ester composition as claimed in any one of claims 1 to 8, wherein the camellia oil fatty acid ester composition comprises the following steps: the method comprises the following steps:
(1) uniformly stirring camellia oil fatty acid ester, bisabolol and a thickening agent to obtain a mixed solution A;
(2) adding part of the humectant, the nicotinamide and the preservative into water, and uniformly mixing to obtain a mixed solution B;
(3) mixing the mixed solution A and the mixed solution B, uniformly stirring, adding the rest humectant and vitamin E, and uniformly stirring to obtain a mixed solution C;
(4) and adding a pH regulator into the mixed solution C, and regulating the pH to 5-7.
10. Use of the camellia oil fatty acid ester composition of any one of claims 1 to 8 in the preparation of a skin care product.
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