CN107496284B - Natural composite plant ultraviolet absorbent and application thereof - Google Patents

Natural composite plant ultraviolet absorbent and application thereof Download PDF

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CN107496284B
CN107496284B CN201710716409.7A CN201710716409A CN107496284B CN 107496284 B CN107496284 B CN 107496284B CN 201710716409 A CN201710716409 A CN 201710716409A CN 107496284 B CN107496284 B CN 107496284B
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natural composite
ultraviolet absorbent
composite plant
ultraviolet
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CN107496284A (en
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柳滢春
王锐
梁体培
谢琳
黄勇
谢彩玲
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Zhongshan Torch Polytechnic
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/042Gels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • A61K8/498Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

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  • Life Sciences & Earth Sciences (AREA)
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  • Chemical & Material Sciences (AREA)
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Abstract

The invention discloses a natural composite plant ultraviolet absorbent and application thereof, wherein the ultraviolet absorbent adopts yerba mate extract, rutin and oat alkaloid according to the weight ratio of 1-3: 1-3: 1-4, and the addition amount of the ultraviolet absorbent is 0.5-1.5% of the total weight of the product system when the ultraviolet absorbent is applied. The yerba mate tea polyphenol, rutin and oat alkaloid in the natural composite plant ultraviolet absorbent have obvious ultraviolet absorption characteristics in an ultraviolet region, and the ultraviolet absorption effect of the natural composite plant ultraviolet absorbent is obviously better than that of a chemical sun-screening agent sold in the market by comparing the natural composite ultraviolet absorption performance obtained by the invention with the chemical sun-screening agent sold in the market under the condition of the same concentration through an ultraviolet spectrophotometry. And the natural composite ultraviolet absorbent is green, environment-friendly, natural and non-irritant. The sunscreen gel applied by the invention is fresh and non-greasy, and has excellent sunscreen effect.

Description

Natural composite plant ultraviolet absorbent and application thereof
[ technical field ] A method for producing a semiconductor device
The invention relates to a natural composite plant ultraviolet absorbent and application thereof.
[ background of the invention ]
Since the 20 th century, the ozone layer hole of the earth is continuously enlarged, and through research of scientists, every time ozone in the atmosphere is reduced by 1%, ultraviolet rays irradiated on the ground are increased by 2%, and the probability of human skin cancer is increased by 3%, so that the sun protection problem gradually draws attention. From the 20 th century to the present, sunscreen products in the cosmetic industry are developed rapidly and mature day by day, but the problems of high irritation and easy allergy generally exist in the existing chemical ultraviolet absorbers, so that the natural ultraviolet absorbers are concerned by people. The natural ultraviolet absorbent is organic substance extracted from natural plants and has an ultraviolet absorption effect, and can be used for replacing an artificially synthesized chemical ultraviolet absorbent, so that the problems of high irritation and easy allergy can be relieved to a certain extent. The natural ultraviolet absorbent is a new direction with strong development prospect in the sunscreen series in the modern cosmetic industry.
According to the domestic and foreign literature, the yerba mate tea contains abundant polyphenols, but the polyphenol component of the yerba mate tea is obviously different from other tea polyphenol components, the yerba mate tea contains a large amount of chlorogenic acid, the tea contains little or no chlorogenic acid, and the catechin substances rich in the tea are not contained in the yerba mate tea. Each 100g dry leaves of Paraguay tea contains 10.71g caffeoyl derivatives (chlorogenic acid, caffeic acid, 5-O-caffeoylquinic acid, 3-O-caffeoylquinic acid, 1-O-caffeoquinic acid, 3, 5-di-O-caffeoylquinic acid, etc.), and the content of chlorogenic acid in Paraguay tea is as high as 10.7%.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide a safe, anti-allergic, non-irritant and high-efficiency sun-screening natural composite plant ultraviolet absorbent.
The invention also aims to provide an application of the ultraviolet absorbent, particularly a sunscreen gel, which has the advantages of remarkable effect, mild water replenishing, anti-allergy and no stimulation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a natural composite plant ultraviolet absorbent is characterized by adopting yerba mate extract, rutin and avenanthramide according to the weight ratio of 1-3: 1-3: 1-4.
Preferably, the weight ratio of the yerba mate extract, the rutin and the oat alkaloid is 1: 3: 2.
preferably, the weight ratio of the yerba mate extract, the rutin and the oat alkaloid is 2: 3: 1.
preferably, the weight ratio of the yerba mate extract, the rutin and the oat alkaloid is 3: 2: 1.
the application of the natural composite plant ultraviolet absorbent is characterized in that the addition amount of the ultraviolet absorbent is 0.5-1.5% of the total weight of a product system.
When the ultraviolet absorbent is compounded, ethanol water solution is used as a solvent to prepare 1g/L ultraviolet absorbent diluent. The ethanol water solution is prepared by mixing ethanol and water according to the weight ratio of 1: 1 volume ratio.
The yerba mate extract is prepared by taking yerba mate as a raw material and performing Soxhlet extraction, evaporation concentration, extraction and drying.
From the absorption curve of yerba mate extract, the substance has good ultraviolet absorption performance within 280-350 nm, has photochemical activity, and is a natural ultraviolet absorbent.
According to the ultraviolet absorption characteristic curve of yerba mate polyphenol, rutin and avenanthramide are selected from more than ten natural plant extracts and are compounded with the extracts to prepare the compound type ultraviolet absorbent, the ultraviolet absorption wave band of yerba mate is mainly within 280-350 nm, and the mixture has broad-spectrum absorption at 220-380 nm by supplementing the rutin and the avenanthramide. The UV absorber has good broad-spectrum absorption, as determined by a curve. The absorbent is combined with cosmetics to prepare a novel sunscreen gel, so that the problems of greasiness and high irritation commonly occurring in sunscreen products on the market at present are effectively solved, and the sunscreen gel is a new experience, a new target and a new direction in a sunscreen series of cosmetics.
The invention relates to an application of a natural composite plant ultraviolet absorbent, and preferably relates to a sunscreen gel prepared by the natural composite plant ultraviolet absorbent.
The invention relates to an application of a natural composite plant ultraviolet absorbent, namely a sunscreen gel, which comprises the following components in percentage by mass:
phase A1
Figure BDA0001383844850000031
Phase A
Nipagin methyl ester 0.1%
0.1 percent of dipotassium glycyrrhizinate
Phase B
0.2 to 0.3 percent of triethanolamine
Phase C
0.4 to 0.6% of D-panthenol
5 percent of water
Phase D
0.5 to 1.5 percent of natural composite ultraviolet absorbent
0.8 to 1.5 percent of triethanolamine
5-15% of ethanol aqueous solution
Phase E
And a proper amount of essence.
The invention relates to an application sun-screening gel of a natural composite plant ultraviolet absorbent, which is prepared by the following steps:
a. pre-mixing the phase C, slightly heating and stirring until the D-panthenol is completely dissolved, and cooling to room temperature for later use;
b. adding the D-phase natural composite ultraviolet absorbent into an ethanol water solution under stirring, stirring until the D-phase natural composite ultraviolet absorbent is dissolved, continuously stirring, and slowly adding triethanolamine for neutralization for later use;
c. and (2) sequentially adding the phase A1 component into a stirring pot, stirring until no large particles exist in the system, adding the phase A component under stirring, keeping stirring until the system is mixed, then heating to 80-85 ℃, keeping the temperature for 1-3 minutes, cooling to below 60 ℃, adding the phase B component, stirring, continuously cooling to 50 ℃, adding the mixed phase C and phase D, stirring until the phases are uniformly mixed, continuously stirring to cool to 45 ℃, adding the transparent phase E which is stirred in advance, and stirring to cool to 34 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the yerba mate tea polyphenol, rutin and oat alkaloid in the natural composite plant ultraviolet absorbent have obvious ultraviolet absorption characteristics in an ultraviolet region, and the ultraviolet absorption effect of the natural composite plant ultraviolet absorbent is obviously better than that of a chemical sun-screening agent sold in the market by comparing the natural composite ultraviolet absorption performance obtained by the invention with the chemical sun-screening agent sold in the market under the condition of the same concentration through an ultraviolet spectrophotometry. And the natural composite ultraviolet absorbent is green, environment-friendly, natural and non-irritant.
The sunscreen gel applied by the invention is fresh and non-greasy, when in use, the natural plant fragrance gives people a fresh and pleasant feeling, and the oat alkaloid in the natural composite plant ultraviolet absorbent can greatly reduce the sensitization of human skin to chemicals and has excellent sunscreen effect.
[ detailed description ] embodiments
The invention will be further described with reference to specific embodiments.
Preparation of yerba mate extract:
(1) soxhlet extraction
Weighing 5.0g of yerba mate, putting the yerba mate into a filter paper sleeve of a Soxhlet extractor, adding 150mL of 70% ethanol solution into a 250mL three-mouth flask, tightly covering one mouth with a glass plug, tightly plugging the other mouth with a thermometer plug, installing the Soxhlet extractor in the middle mouth, plugging a small ball of fluffy cotton at the top of a condenser tube, and heating by using an electric heating sleeve. The temperature was controlled at about 80 ℃ and the extraction was continued for 75 minutes.
(2) Concentrating by evaporation
Changing the Soxhlet extractor into a distilling device, keeping the temperature at about 80 ℃, evaporating until about 20ml of extract remains, stopping heating, and cooling to obtain a concentrated solution; and recovering the ethanol.
(3) Extraction of
And pouring the concentrated solution obtained in the second step into a separating funnel, adding petroleum ether for first extraction, and taking the lower layer solution. Then, the lower layer liquid of the first extraction is poured into a second separating funnel, a carbon tetrachloride solution is added, and the supernatant liquid is taken.
(4) Drying
And pouring the supernatant obtained in the second extraction in the third step into a watch glass, placing the watch glass in a vacuum drying oven, adjusting the temperature of the vacuum drying oven to 90 ℃, vacuumizing, and drying for 2-3 hours to obtain the required yerba mate extract. The extraction rate of the yerba mate extract prepared by the invention is 10.5%.
The ultraviolet absorbent is compounded according to the weight portion in the table 1.
Table 1:
Figure BDA0001383844850000051
compounding of examples 1-7: mixing the components in proportion, and mixing the components in a ratio of 1: 1 ethanol-water solution is used as a solvent to prepare 1g/L ultraviolet absorbent diluent.
The UV absorbers of examples 1 to 7 were tested by scanning the spectral curve with a UV spectrophotometer, taking 10 points between 20 and 400 nm. Under the same conditions, the yerba mate extract, rutin and avenanthramide, and the commercially available ultraviolet absorbent 1 (abbreviated as absorbent 1) and the commercially available ultraviolet absorbent 2 (abbreviated as absorbent 2) were respectively scanned by an ultraviolet spectrophotometer to measure and compare the ultraviolet absorption values, and the results are shown in table 2.
Table 2: ultraviolet absorbance comparison
Figure BDA0001383844850000061
As shown in Table 2, the absorption capacity of the natural composite plant ultraviolet absorbent of the invention to ultraviolet rays is much higher than that of yerba mate extract, rutin and avenanthramide when used alone, as can be seen from comparison of the absorption values of various ultraviolet wavelength points.
From the table 2, it can be seen that the absorption band of the yerba mate extract is 260-350 nm, the absorption band of rutin is two, respectively 240-270 nm and 330-400 nm, and the absorption band of the avenanthramide is 260-360 nm, the ultraviolet absorbent is obtained by compounding the yerba mate extract, rutin and avenanthramide according to the ultraviolet absorption characteristics of the three substances in proportion, and the ultraviolet absorption capability of the composite ultraviolet absorbent compounded by the yerba mate extract, rutin and avenanthramide is greatly improved, and the data in the table 2 show that the ultraviolet absorption performance of the natural composite ultraviolet absorbent is obviously embodied. The ultraviolet absorber has the same absorption performance of covering the whole area as a commercially available ultraviolet absorber in a wave band of 200-400 nm; in terms of absorption capacity, the ultraviolet absorbent of the invention has stronger absorption capacity than two commercially available ultraviolet absorbents, namely the absorbent 1 and the absorbent 2, and overall, the combination property of the natural composite ultraviolet absorbent is better than that of the commercially available ultraviolet absorbent.
In summary, the ultraviolet absorbent compounded by yerba mate extract, rutin and oat alkaloid is an ultraviolet absorbent with broad spectrum absorption, strong ultraviolet absorption capability and excellent performance.
The UV absorbers of examples 1-7 were applied to sunscreen gel products in accordance with application examples 1-7, respectively, and the ratio of the components is shown in Table 3, for example.
Table 3:
Figure BDA0001383844850000071
the preparation of the application examples 1 to 7 was as follows:
a. pre-mixing the phase C, slightly heating and stirring until the D-panthenol is completely dissolved, and cooling to room temperature for later use;
b. adding the D-phase natural composite ultraviolet absorbent into an ethanol water solution under stirring, stirring until the D-phase natural composite ultraviolet absorbent is dissolved, continuously stirring, and slowly adding triethanolamine for neutralization for later use;
c. and (2) sequentially adding the phase A1 component into a stirring pot, stirring until no large particles exist in the system, adding the phase A component under stirring, keeping stirring until the system is mixed, then heating to 80-85 ℃, keeping the temperature for 1-3 minutes, cooling to below 60 ℃, adding the phase B component, stirring, continuously cooling to 50 ℃, adding the mixed phase C and phase D, stirring until the phases are uniformly mixed, continuously stirring to cool to 45 ℃, adding the transparent phase E which is stirred in advance, and stirring to cool to 34 ℃.
The sunscreen gel products of application examples 1-7 were evaluated for testing, which included: pH detection, centrifugation test, heat resistance test, cold resistance test, skin feel test and ultraviolet absorption capacity comparison.
Skin feel test: the product was applied evenly to the skin and evaluated in various aspects such as visual, texture, absorbency, etc.
And (3) pH inspection: and weighing 1g of product, diluting the product to 10g with water, detecting the product by using a precise pH test paper, and comparing the product after changing color with a color comparison card.
And (3) centrifugal test: the product was loaded into a centrifuge tube at about 2/3 height and filled. Then placing the mixture into an electric heating constant temperature incubator preheated to 38 ℃, keeping for 1h, immediately transferring the mixture into a centrifugal machine, adjusting the centrifugal machine to a centrifugal speed of 2000r/min, rotating for 30min, taking out and observing.
And (3) heat resistance test: pouring the samples into 2 test tubes respectively, and plugging cork stoppers; one tube to be tested was placed in a constant temperature incubator previously adjusted to a prescribed temperature, and after 24 hours, the temperature was returned to room temperature, and then visually compared with the sample in the other tube.
Cold resistance test: pouring the samples into 2 test tubes respectively, and plugging cork stoppers; one tube to be tested was placed in a refrigerator previously adjusted to a prescribed temperature, and after 24 hours, it was returned to room temperature and visually compared with the sample in the other tube.
Uv absorption capacity (sun protection capacity) comparison: 8.0mg of the sample and the commercial SPF30 sunscreen product are accurately weighed, evenly smeared by a quartz plate film method, and measured on an ultraviolet spectrophotometer by taking a blank air permeable adhesive tape film quartz plate as a reference, and the sample and the commercial SPF30 sunscreen product are measured under the same conditions.
The results of the tests of application examples 1 to 7 are as follows:
and (3) centrifugal stability test: stable, no delamination
pH value: 6.0 to 6.5, qualified
Heat and cold resistance, no layering, and no obvious change in product performance.
The skin feel test of the products of application examples 1-7 is shown in table 4:
table 4: "+" indicates general, "+ + +" indicates good, "+ + + + +" indicates very good
Figure BDA0001383844850000091
The products of application examples 1 to 7 and commercial products 1 to 4(SPF30, PA + + +) were tested for UV absorption at 10 points at a wavelength of 250 to 400nm, and the test results are shown in Table 5.
Table 5:
Figure BDA0001383844850000101
as can be seen from Table 2, the sunscreen gels with the natural composite plant UV absorbers of the present invention applied in 1-7 (application examples 1-7) have absorption values at various UV wavelength points comparable to or even better than those of commercially available products 1-4 of SPF30 and PA + + + products (commercially available products 1-4), and thus the sunscreen gels applied in the present invention have good sunscreen ability, are not greasy, are more refreshing, and have better skin feel.

Claims (6)

1. The application of a natural composite plant ultraviolet absorbent in preparation of sunscreen gel is characterized in that the natural composite plant ultraviolet absorbent adopts yerba mate extract, rutin and avenanthramide according to the weight ratio of 1-3: 1-3: 1-4, wherein the sunscreen gel comprises the following components in percentage by mass:
phase A1
5-6% of propylene glycol
0.1-0.2% of xanthan gum
0.8 to 1.5 percent of carbomer
Balance of water
Phase A
Nipagin methyl ester 0.1%
0.1 percent of dipotassium glycyrrhizinate
Phase B
0.2 to 0.3 percent of triethanolamine
Phase C
0.4 to 0.6% of D-panthenol
5 percent of water
Phase D
0.5 to 1.5 percent of natural composite plant ultraviolet absorbent
0.8 to 1.5 percent of triethanolamine
5-15% of ethanol aqueous solution
Phase E
A proper amount of essence;
the preparation method of the sunscreen gel comprises the following steps:
a. pre-mixing the phase C, slightly heating and stirring until the D-panthenol is completely dissolved, and cooling to room temperature for later use;
b. adding the D-phase natural composite plant ultraviolet absorbent into an ethanol water solution under stirring, stirring until the D-phase natural composite plant ultraviolet absorbent is dissolved, continuously stirring, and slowly adding triethanolamine for neutralization for later use;
c. and (2) sequentially adding the phase A1 component into a stirring pot, stirring until no large particles exist in the system, adding the phase A component under stirring, keeping stirring until the system is mixed, then heating to 80-85 ℃, keeping the temperature for 1-3 minutes, cooling to below 60 ℃, adding the phase B component, stirring, continuously cooling to 50 ℃, adding the mixed phase C and phase D, stirring until the phases are uniformly mixed, continuously stirring to cool to 45 ℃, adding the transparent phase E which is stirred in advance, and stirring to cool to 34 ℃.
2. The use of a natural composite plant uv absorber in the preparation of a sunscreen gel as claimed in claim 1, wherein the weight ratio of yerba mate extract, rutin and avenanthramide is 1: 3: 2.
3. the use of a natural composite plant uv absorber in the preparation of a sunscreen gel as claimed in claim 1, wherein the weight ratio of yerba mate extract, rutin and avenanthramide is 2: 3: 1.
4. the use of a natural composite plant uv absorber in the preparation of a sunscreen gel as claimed in claim 1, wherein the weight ratio of yerba mate extract, rutin and avenanthramide is 3: 2: 1.
5. the use of the natural composite plant UV absorber of claim 1 in the preparation of sunscreen gel, wherein the UV absorber is formulated into a UV absorber diluent of 1g/L using ethanol aqueous solution as solvent.
6. The use of the natural composite plant UV absorber of claim 5 in the preparation of a sunscreen gel, wherein said aqueous ethanol solution is a mixture of ethanol and water in a ratio of 1: 1 volume ratio.
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CN108309952A (en) * 2018-04-04 2018-07-24 上海祺宇生物科技有限公司 A kind of anti-ultraviolet cellulose hollow capsule shells
CN112143459A (en) * 2020-07-06 2020-12-29 江西师范大学 Ultraviolet absorbent and preparation method thereof
CN114848564A (en) * 2022-03-29 2022-08-05 广东金发科技有限公司 Washing-free disinfectant with sun-screening and skin-care functions and preparation and application thereof

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Publication number Priority date Publication date Assignee Title
CN102846514A (en) * 2012-09-12 2013-01-02 杭州小青生物科技有限公司 Tea-polyphenol-containing hydrogel used in after-sun reparation, and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102846514A (en) * 2012-09-12 2013-01-02 杭州小青生物科技有限公司 Tea-polyphenol-containing hydrogel used in after-sun reparation, and preparation method thereof

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