WO2005074878A1 - シワ改善剤 - Google Patents
シワ改善剤 Download PDFInfo
- Publication number
- WO2005074878A1 WO2005074878A1 PCT/JP2005/001571 JP2005001571W WO2005074878A1 WO 2005074878 A1 WO2005074878 A1 WO 2005074878A1 JP 2005001571 W JP2005001571 W JP 2005001571W WO 2005074878 A1 WO2005074878 A1 WO 2005074878A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- skin
- ergosterol
- present
- glycoside
- group
- Prior art date
Links
Classifications
-
- 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
- A61K8/63—Steroids; Derivatives thereof
-
- 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
Definitions
- the present invention provides an ergosterol and ergosterol glycoside having an excellent effect of improving the skin generated particularly at the exposed site with aging and having an effect of keeping the skin dermatologically and cosmetically healthy.
- the present invention relates to a seed improving agent containing at least one member selected from the group consisting of:
- a state in which its function gradually declines is called aging.
- the skin is directly affected by the surrounding environmental forces and has an important function of maintaining the environment inside the living body, so that all of the skin does not often stop functioning, but skin, stains, dullness, tarmi, etc. Signs of aging are evident in the organs of the eye, particularly in exposed areas exposed to sunlight.
- retinoic acid is used as a prescription drug as a substance having an improving effect on the skin resulting from the progress of photoaging, but since it has strong side effects and has a safety problem, it has been used in Japan. Has not been approved (for example, see “FRAGRANCE JOURNAL”, published April 15, 1998, Vol. 26, No. 4, p. 75-77). Therefore, there is a need for the development of a safety improving substance that is safe and has a sufficient effect.
- An object of the present invention is to provide a skin improving agent which is excellent in the effect of improving skin which is remarkably evident particularly at an exposed site due to aging, and which is excellent in the effect of keeping the skin healthy cosmetically. It is in.
- the inventors of the present invention have conducted intensive studies, and as a result, the following skin-improving agent has been found to improve the skin which appears remarkably at the exposed site due to aging, and to improve the skin cosmetically.
- the present invention has been completed by confirming that the effect of maintaining a healthy and excellent safety.
- the present invention relates to a skin improving agent comprising at least one selected from the group consisting of ergosterol and ergosterol glycoside power.
- the present invention is to provide a skin improving agent which is excellent in the effect of improving the skin particularly generated at an exposed site with aging and keeps the skin dermatologically and cosmetically healthy. it can.
- Ergosterol used in the present invention is generally known as a functional component contained in mushrooms such as shiitake and maitake, and is said to have an osteoporosis preventive effect and the like.
- commercially available products such as Wako Pure Chemical Industries, Tokyo Kasei Kogyo, Sigma-Aldrich, and the like can be easily obtained.
- the ergosterol glycoside can be synthesized from ergosterol by, for example, the following conventional method.
- Ergosterol and acetobromo-D-glucose are reacted with tetramethyl urea and silver triflate as catalysts in a form-mouth solvent dried with molecular sieves. After the completion of the reaction, washing, concentration, purification by silica gel column chromatography, and isolation operations are performed, and then deacetylation is performed to obtain ergosterol darcoside.
- the ergosterol glycoside used in the present invention includes, in addition to glucose described above, monosaccharides such as galatose, mannose, dalcosamine, N-acetyldarcosamine, fucose, and glucuronic acid, and ratatose and maltose. It can be synthesized using a disaccharide or an oligosaccharide, and preferably can be synthesized using glucose, galactose, xylose, ratatose, and maltose. In addition, the hydroxyl group and the carboxyl group of those sugars may be substituted, for example, ergo group described in Japanese Patent No. 3343063. Sterol glycoside derivatives can also be used.
- At least one selected from the group consisting of ergosterol and ergosterol glycoside power may be one kind alone or a combination of two or more kinds. Ergosterol and ergosterol glycoside may be combined, or ergosterol or ergosterol glycoside may be used. It should be noted that glycosides include isomers having a spleen bond and a j8 bond. In the present invention, either of them or a mixture thereof can be used, but those having a j8 bond are preferable.
- the amount of at least one compound selected from the group consisting of ergosterol and ergosterol glycoside is 0.001 to 10.0% by mass, based on the total amount of the screen improver. (Hereinafter, unless otherwise indicated,% represents% by mass). If the compounding power is in this range, the desired effects of the present invention can be sufficiently obtained with good efficiency. When the amount is within this range, the desired effects of the present invention can be sufficiently obtained with good efficiency.
- the amount is more preferably 0.05 to 5.0%, and still more preferably 0.1 to 2.0%.
- the skin-improving agent of the present invention can be applied to medicines, bath preparations, and the like as skin care cosmetics and external preparations, and in dosage form, for example, lotions, emulsions, creams, and tablets. And so on.
- a dye, a fragrance, a preservative, a surfactant, a pigment, an antioxidant, and the like are appropriately blended with the screen improver of the present invention as long as the object of the present invention is achieved. Can be.
- the following test method was used to examine the effect of improving the skin when a sample containing the base alone or ergosterol or ergosterol glycoside was applied to the photoaged skin.
- the ergosterol glycoside in the examples used was obtained by the following production method.
- Photoaging was induced by irradiation with UVA and UVB once a day, 5 times a week for 8 weeks.
- Irradiation dose UVA is increased to 20j / cm 2, 25j / cm 2, 30j / cm 2, UVB 20niJ / cm 2, 30mj / cm 2, 40mjZcm 2 and per week, the maximum amount after 3 weeks Irradiated.
- the sea improvement effect was evaluated by the sea score.
- the score was scored according to the method of Bissett et al. (Photochem Photobiol, 46: 367-378, 1987). In other words, the size and depth of the sea are comprehensively evaluated with the naked eye, and the highest point is set as three points, and "large and deep sea can be confirmed” is 3, and “sea can be confirmed” is 2, and “No visible skin” was set to 1, and “Normal texture observed” was set to 0.
- Samples were prepared by mixing 1% of ergosterol or ergosterol glycoside with 50% (vZv) aqueous ethanol solution (base) (Examples 1 and 2). A sample containing only the base was used as Comparative Example 1.
- Example 1 showed a significantly lower score score as compared to Comparative Example 1.
- Example 2 was inferior to Example 1 in comparison with Comparative Example 1, and tended to reduce the score.
- skin lotions having the following compositions were prepared according to the following preparation method, and the skin improvement effects were evaluated using the samples as the samples by the following operations.
- Each sample is determined to be either left or right, and after washing in the morning and bathing in the evening twice a day, for two consecutive months (60 days), a shaded portion of the outer corner of the eye (for each sample) Approximately 0.2 mL was applied to about 4 cm 2 , 2 X 2 cm) around the outer corner of the eye. Next, after the final application, they were asked to answer a questionnaire regarding the condition of the skin (eye) on the right and left corners of the eyes.
- Example 3 clearly improved the skin as compared with Comparative Example 2, and further improved the flexibility and skin firmness that were deteriorated by photoaging. You can see that Further, no skin abnormality such as irritation or itching due to the skin lotion of the present invention was observed.
- the ergosterol of the C component was added to the B component, and the A and B components were each heated and dissolved at 80 ° C, then cooled to 30 ° C while mixing and stirring to prepare each skin cream. .
- a questionnaire survey was conducted using the skin cream of Example 4. The results are shown below. The results of the questionnaire survey on the status of the seat were as follows, and the number of respondents who thought that they used it after use compared to before use was shown for each item. Item Number of people (name)
- the size of the stone has decreased 1 7
- the number of seeds decreased 4
- the number has increased 0
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Dermatology (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004027614A JP2005220043A (ja) | 2004-02-04 | 2004-02-04 | シワ改善剤 |
JP2004-027614 | 2004-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005074878A1 true WO2005074878A1 (ja) | 2005-08-18 |
Family
ID=34835895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001571 WO2005074878A1 (ja) | 2004-02-04 | 2005-02-03 | シワ改善剤 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2005220043A (ja) |
TW (1) | TW200526265A (ja) |
WO (1) | WO2005074878A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2930446B1 (fr) * | 2008-04-29 | 2012-06-08 | Am Phyto Conseil | Utilisation d'une composition contenant de l'ergosterol ou un extrait naturel de micro-organisme ou vegetal ou animal. |
JP6770968B2 (ja) * | 2015-03-05 | 2020-10-21 | ルブリゾル アドバンスド マテリアルズ, インコーポレイテッド | Eupenicillium crustaceumの発酵エキスおよびその美容のための使用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07233046A (ja) * | 1993-12-28 | 1995-09-05 | Kose Corp | 外用剤 |
WO1999013858A1 (fr) * | 1997-09-18 | 1999-03-25 | Laboratoires De Biologie Vegetale Yves Rocher | Utilisation de l'ergosterol et de ses composes apparentes pour stimuler la proliferation des cellules de la peau |
FR2789312A1 (fr) * | 1999-02-05 | 2000-08-11 | Seporga | Sterol 3 sulfates, nouveaux principes actifs a usage cosmetique et dermatologique, et leurs applications |
-
2004
- 2004-02-04 JP JP2004027614A patent/JP2005220043A/ja active Pending
-
2005
- 2005-02-03 WO PCT/JP2005/001571 patent/WO2005074878A1/ja active Application Filing
- 2005-02-03 TW TW94103463A patent/TW200526265A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07233046A (ja) * | 1993-12-28 | 1995-09-05 | Kose Corp | 外用剤 |
WO1999013858A1 (fr) * | 1997-09-18 | 1999-03-25 | Laboratoires De Biologie Vegetale Yves Rocher | Utilisation de l'ergosterol et de ses composes apparentes pour stimuler la proliferation des cellules de la peau |
FR2789312A1 (fr) * | 1999-02-05 | 2000-08-11 | Seporga | Sterol 3 sulfates, nouveaux principes actifs a usage cosmetique et dermatologique, et leurs applications |
Also Published As
Publication number | Publication date |
---|---|
JP2005220043A (ja) | 2005-08-18 |
TW200526265A (en) | 2005-08-16 |
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