CN113350225A - Sunscreen essential oil composition - Google Patents
Sunscreen essential oil composition Download PDFInfo
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- CN113350225A CN113350225A CN202010142376.1A CN202010142376A CN113350225A CN 113350225 A CN113350225 A CN 113350225A CN 202010142376 A CN202010142376 A CN 202010142376A CN 113350225 A CN113350225 A CN 113350225A
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- essential oil
- sunscreen
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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
- A61Q17/00—Barrier 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
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention relates to a sunscreen essential oil composition which comprises wintergreen essential oil, white birch essential oil, cinnamon bark essential oil, fennel essential oil and benzoin essential oil. The sun-screening essential oil composition has the capability of absorbing light rays with the wavelength range of 200 nm-320 nm.
Description
Technical Field
The invention relates to an essential oil composition, in particular to a sunscreen essential oil composition.
Background
Ultraviolet rays are divided into UVA, UVB and UVC, wherein the wavelength range of UVA is 320-400 nm, and the UVA can penetrate into the dermis layer of the skin, so that the skin can be speckled and the skin can be aged; the UVB has the wavelength range of 290-320 nm, and can cause skin sunburn, and make skin cutin thicken, dull, reddish or painful; the UVC has a wavelength range of 200nm to 290nm, and the shorter the wavelength, the more harmful the human body, but can be blocked by the ozone layer, and only a small amount of the UVC can reach the earth surface. The sunscreen agents on the market today are all targeted towards the development of blocking UVA and UVB, which is an essential requirement for sunscreen agents.
Sunscreen agents (also called ultraviolet blockers) are roughly classified into ultraviolet absorption systems and ultraviolet scattering (reflection) systems according to the principle of sunscreen. Examples of the sunscreen agents using an ultraviolet scattering system include physical sunscreen agents such as zinc oxide and titanium dioxide. Examples of the sunscreen agents using an ultraviolet absorption method include chemical sunscreen agents such as para-aminobenzoic acid (PABA), octyl salicylate (OCS), Octyl Methoxycinnamate (OMC), benzophenone (benzophenone), and methyl anthranilate (methyl anthranilate). Although physical or chemical sunscreens can block UVA and UVB, physical sunscreens tend to cause skin blockage; the chemical sunscreen agent may penetrate into the skin and enter the blood to be absorbed by the human body, so that there may be concerns about human body injury or environmental pollution after long-term use. Therefore, both physical sunscreens and chemical sunscreens may cause damage to the human body or the environment after long-term use; thus, if materials of natural origin could be sought as sunscreens, the above problems should be avoided.
Chinese patent application publication CN104116698A proposes a sunscreen essential oil, which is composed of the following raw materials: 10-20 parts of honey, 10-20 parts of mint essential oil, 10-20 parts of lavender essential oil, 5-10 parts of chamomile essential oil, 5-10 parts of patchouli essential oil, 5-10 parts of permanent flowers and 30-50 parts of deionized water. This patent application publication does not provide experimental tests and does not confirm the sunscreen effect. In addition, most essential oils with the sunscreen function are declared on the market, but no specific experiment proves that the essential oils really have the sunscreen function. In addition, there are thousands of essential oils, and although databases of composition, usage and indications of these plant essential oils are established, there are still few studies on sunscreen functions of compound essential oils.
Besides the sunscreen function, the odor of the compound essential oil can also influence the subsequent use. If a compound essential oil with good smell and a sun-screening function (mainly blocking UVB) can be found, the damage to a human body or the environment can be avoided, and the development of sun-screening products is facilitated.
Disclosure of Invention
Summary of The Invention
Accordingly, the present invention provides a sunscreen essential oil composition that overcomes at least one of the disadvantages of the background art.
The sunscreen essential oil composition comprises: wintergreen essential oil, birch essential oil, cinnamon bark essential oil, fennel essential oil and benzoin essential oil.
The sunscreen essential oil composition provided by the invention comprises, by taking the total volume of the essential oil composition as 100 vol%, the wintergreen essential oil content range is 20 vol% -50 vol%, the birch essential oil content range is 20 vol% -45 vol%, the cinnamon bark essential oil content range is 10 vol% -25 vol%, the sweet fennel essential oil content range is 2 vol% -20 vol%, and the benzoin essential oil content range is 2 vol% -20 vol%.
The sunscreen essential oil composition has the capability of absorbing light rays with the wavelength range of 200 nm-320 nm.
The sunscreen essential oil composition has the capability of absorbing light rays with the wavelength range of 200 nm-300 nm.
The sunscreen essential oil composition is used for preparing cosmetics.
The invention has the beneficial effects that: the sun-screening essential oil composition contains specific plant essential oil combination, so that the sun-screening essential oil composition can effectively absorb light rays with the wavelength range of 200 nm-320 nm, and can achieve the aim of sun screening without adding a physical or chemical sun-screening agent.
Drawings
Other features and effects of the present invention will be apparent from the embodiments with reference to the drawings, in which:
FIGS. 1-9 are UV absorption spectra illustrating the results of testing examples 1-9 of sunscreen essential oil compositions of the present invention;
FIGS. 10 and 11 are ultraviolet absorption spectrograms illustrating the results of testing the sunscreens of comparative examples 1-2;
FIGS. 12 to 16 are ultraviolet absorption spectrum charts illustrating the test results of the sunscreens of comparative examples 3 to 7;
FIGS. 17 to 23 are ultraviolet absorption spectra showing the results of the tests of the sunscreens of comparative examples 8 to 14.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The present invention will be described in detail below:
in the sunscreen essential oil composition, the wintergreen essential oil is obtained by distilling and extracting leaves of wintergreen (the scientific name Gaultheria Procumbens). The birch essential oil is obtained by distilling and extracting leaves or trees of birch (Betula alba). The cinnamon bark essential oil is obtained by distilling and extracting bark of cinnamon (known as Cinnamomum zeylanicum). The sweet fennel essential oil is obtained by distilling and extracting seeds of fennel (known as Foeniculum vulgare). Benzoin essential oil is obtained by solvent extraction of resin of benzoin tree (academic Styrax Benzoe).
The content of each component of the sunscreen essential oil composition of the present invention can be adjusted according to actual use, preferably, the total volume of the sunscreen essential oil composition is 100 vol%, the content of the wintergreen essential oil is 20 vol% to 50 vol%, the content of the white birch essential oil is 25 vol% to 45 vol%, the content of the cinnamon bark essential oil is 10 vol% to 25 vol%, the content of the sweet fennel essential oil is 2 vol% to 15 vol%, and the content of the benzoin essential oil is 2 vol% to 15 vol%.
Preferably, the sunscreen essential oil composition has the capability of absorbing light rays with the wavelength range of 200 nm-320 nm; more preferably, the sunscreen essential oil composition has the capability of absorbing light rays with the wavelength range of 200 nm-300 nm.
The sunscreen essential oil composition of the invention can be applied to any products requiring sunscreen function, such as but not limited to various cosmetics (such as the first to twelfth types listed in the category and range of cosmetics published by taiwan health and welfare department in 2019, 7 and 4), sunscreen medical agents, and the like; and can be made into commodities of various dosage forms according to the subsequent application requirements.
The invention will be further described in the following examples, but it should be understood that these examples are for illustrative purposes only and should not be construed as limiting the practice of the invention.
< examples 1 to 3> sunscreen essential oil composition (volume ratio of each essential oil component is 20 vol%)
Example 1: 1mL of wintergreen essential oil (concentration 100ppm, from FPI company, UK), 1mL of white birch essential oil (concentration 100ppm, from FPI company, UK), 1mL of cinnamon bark essential oil (concentration 100ppm, from Sydney company, Australia), 1mL of sweet fennel essential oil (concentration 100ppm, from Sydney company, Australia), and 1mL of benzoin essential oil (concentration 100ppm, from Sydney company, Australia) were mixed, respectively, to obtain the sunscreen essential oil composition of example 1 (concentration 100ppm, volume ratio of each essential oil component is 20 vol%).
Example 2: 1.8mL of the essential oil sunscreen composition of example 1 was mixed with 1.2mL of ethanol to obtain the essential oil sunscreen composition of example 2 (concentration 60ppm, volume ratio of each essential oil component 20 vol%).
Example 3: 1mL of wintergreen essential oil (20 ppm concentration, obtained from FPI company, UK), 1mL of white birch essential oil (20 ppm concentration, obtained from FPI company, UK), 1mL of cinnamon bark essential oil (20 ppm concentration, obtained from Sydney company, Australia), 1mL of sweet fennel essential oil (20 ppm concentration, obtained from Sydney company, Australia), and 1mL of benzoin essential oil (20 ppm concentration, obtained from Sydney company, Australia) were mixed, respectively, to obtain the sunscreen essential oil composition of example 3 (20 ppm concentration, 20 vol% of each essential oil component).
< examples 4 to 9> sunscreen essential oil composition (volume ratio of each essential oil component was adjusted)
Examples 4 to 9 were carried out in the same manner as described above: except that 5 kinds of essential oil components (each having a concentration of 100ppm) were mixed in accordance with the volume ratio shown in the following table to obtain an essential oil mixture. Then, 1.2mL of the essential oil mixture was mixed with 1.8mL of ethanol to obtain a sunscreen essential oil composition (concentration: 40 ppm).
< comparative examples 1 to 7>
Comparative examples 1 and 2 were octyl methoxycinnamate (commercial sunscreen agent) at concentrations of 4ppm and 20ppm, respectively, and comparative examples 3 to 7 were five single essential oils (all at 20ppm) of wintergreen essential oil, birch essential oil, cinnamon bark essential oil, sweet fennel essential oil, and benzoin essential oil, respectively.
[ test ]
The sunscreen essential oil compositions of examples 1 to 9, the sunscreens of comparative examples 1 and 2, and the single essential oils of comparative examples 3 to 7 were analyzed by ultraviolet-visible spectroscopy respectively for their light absorbances (detection wavelength ranges from 200nm to 400nm), and the results are shown in fig. 1 to 9, 10 and 11, and 12 to 16, respectively, and the absorption peaks and peak values are extracted and summarized in tables 1 to 2 below.
[ Table 1] examples 1 to 9
A, B, C, D and E represent the volume ratio (vol%) of holly, birch, cinnamon bark, fennel and benzoin.
[ Table 2] comparative examples 1 to 7
[ results ]
1. Comparing example 1 with comparative examples 2 to 7, it can be seen that the single wavelength absorption peaks of 302nm, 231nm, 280nm, 254nm and 269nm in comparative examples 2 to 7 have very significant absorption and the peak value performance is lower than 2, which shows that comparative examples 2 to 7 can only absorb ultraviolet light of a single wavelength and cannot block ultraviolet light of other wavelengths. Although the composition of example 1 is the composition of comparative examples 3 to 7, the composition of example 1 has not only the absorption peaks at the above 5 wavelengths, but also exhibits a peak value higher than 3 in the wavelength range of 200nm to 300nm and has absorption in the wavelength range of 200nm to 320nm, and the peak value is significantly increased except for the wavelength range of the light absorbable by the above 5 wavelengths, showing that the results of example 1 cannot be achieved by simply superimposing the effects of comparative examples 3 to 7, thereby demonstrating that the absorption intensity of example 1 is much higher than that of comparative examples 3 to 7, and simultaneously demonstrating that the sunscreen essential oil composition of the present invention can effectively absorb ultraviolet light in the wavelength range of 200nm to 320 nm.
2. Comparing examples 1 to 3, it can be seen that the absorption peak positions of essential oil compositions of different concentrations and the same component ratio are similar, but the peak value is higher as the concentration is higher.
3. Comparing examples 4-9, it can be found that the essential oil compositions with the same concentration and different component ratios have similar absorption peak positions; similarly, examples 1 to 3 all have absorption in the wavelength range of 200nm to 320 nm.
In addition, in order to know whether the plant essential oil mentioned in CN104116698A has sunscreen function, the following comparative examples 8 to 14 were prepared and tested:
< comparative examples 8 to 14> Compound essential oil
The compound essential oils of comparative examples 8 to 14 were prepared according to the following combinations of ingredients (all selected essential oils are single pure essential oils) and the following co-preparation methods:
the common preparation method comprises the following steps: selecting 5 kinds of essential oil (the concentration is 20ppm), and mixing 1mL of each essential oil to obtain compound essential oil (the concentration is 100 ppm).
The light absorbances (detection wavelength ranges from 200nm to 400nm) of the compound essential oils of comparative examples 8 to 14 were also analyzed by an ultraviolet-visible spectrometer, and the results are shown in fig. 17 to 23, respectively. As can be seen from fig. 17 to 23, none of the compound essential oils of comparative examples 8 to 14 has an absorption peak with a peak value higher than 1.5 in the wavelength range of 200nm to 320nm, so that the plant essential oils (such as peppermint, lavender, chamomile, patchouli, permanent flower, rosemary) mentioned in the literature or other patent publications do not have a good sunscreen function, and it is also shown that the plant essential oils do not have a sunscreen function when they are combined randomly.
In summary, the essential oil composition of the present invention can effectively absorb light with a wavelength of 200nm to 320nm due to the specific combination of plant essential oils, and can have sunscreen function without adding physical or chemical sunscreen agents, thereby achieving the purpose of the present invention.
However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all simple equivalent changes and modifications made according to the claims and the contents of the patent specification should be included in the scope of the present invention.
Claims (5)
1. A sunscreen essential oil composition is characterized in that: it comprises wintergreen essential oil, birch essential oil, cinnamon bark essential oil, fennel essential oil and benzoin essential oil.
2. A sunscreen essential oil composition as claimed in claim 1, wherein the wintergreen essential oil is included in a range of 20 vol% to 50 vol%, the birch essential oil is included in a range of 20 vol% to 45 vol%, the cinnamon bark essential oil is included in a range of 10 vol% to 25 vol%, the sweet fennel essential oil is included in a range of 2 vol% to 20 vol%, and the benzoin essential oil is included in a range of 2 vol% to 20 vol%, based on the total volume of the essential oil composition being 100 vol%.
3. A sunscreen essential oil composition in accordance with claim 1 wherein the sunscreen essential oil composition has the ability to absorb light in the wavelength range of 200nm to 320 nm.
4. A sunscreen essential oil composition in accordance with claim 1 wherein the sunscreen essential oil composition has the ability to absorb light in the wavelength range of 200nm to 300 nm.
5. A sunscreen essential oil composition in accordance with claim 1 wherein the sunscreen essential oil composition is used in the manufacture of a cosmetic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142376.1A CN113350225B (en) | 2020-03-04 | 2020-03-04 | Sun-proof essential oil composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010142376.1A CN113350225B (en) | 2020-03-04 | 2020-03-04 | Sun-proof essential oil composition |
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| CN113350225A true CN113350225A (en) | 2021-09-07 |
| CN113350225B CN113350225B (en) | 2023-05-26 |
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