WO2010020165A1 - 神经酰胺产生促进剂 - Google Patents

神经酰胺产生促进剂 Download PDF

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Publication number
WO2010020165A1
WO2010020165A1 PCT/CN2009/073291 CN2009073291W WO2010020165A1 WO 2010020165 A1 WO2010020165 A1 WO 2010020165A1 CN 2009073291 W CN2009073291 W CN 2009073291W WO 2010020165 A1 WO2010020165 A1 WO 2010020165A1
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Prior art keywords
extract
petroleum ether
ceramide
yam
motherwort
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PCT/CN2009/073291
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English (en)
French (fr)
Inventor
秦万章
杨春欣
孔凡旗
野尻浩
伊藤正太郎
Original Assignee
复旦大学附属中山医院
花王株式会社
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Priority claimed from CN2009101187461A external-priority patent/CN101653561B/zh
Priority claimed from CN 200910118747 external-priority patent/CN101653537B/zh
Application filed by 复旦大学附属中山医院, 花王株式会社 filed Critical 复旦大学附属中山医院
Priority to JP2011523293A priority Critical patent/JP2012500231A/ja
Priority to US13/059,329 priority patent/US20110200694A1/en
Priority to EP09807864.5A priority patent/EP2332558B1/en
Publication of WO2010020165A1 publication Critical patent/WO2010020165A1/zh
Priority to US14/600,701 priority patent/US10610561B2/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/88Liliopsida (monocotyledons)
    • A61K36/898Orchidaceae (Orchid family)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/23Apiaceae or Umbelliferae (Carrot family), e.g. dill, chervil, coriander or cumin
    • A61K36/232Angelica
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/28Asteraceae or Compositae (Aster or Sunflower family), e.g. chamomile, feverfew, yarrow or echinacea
    • A61K36/284Atractylodes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/34Campanulaceae (Bellflower family)
    • A61K36/346Platycodon
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/48Fabaceae or Leguminosae (Pea or Legume family); Caesalpiniaceae; Mimosaceae; Papilionaceae
    • A61K36/484Glycyrrhiza (licorice)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/53Lamiaceae or Labiatae (Mint family), e.g. thyme, rosemary or lavender
    • A61K36/533Leonurus (motherwort)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/64Orobanchaceae (Broom-rape family)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/70Polygonaceae (Buckwheat family), e.g. spineflower or dock
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/70Polygonaceae (Buckwheat family), e.g. spineflower or dock
    • A61K36/708Rheum (rhubarb)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/88Liliopsida (monocotyledons)
    • A61K36/894Dioscoreaceae (Yam family)
    • A61K36/8945Dioscorea, e.g. yam, Chinese yam or water yam
    • 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
    • A61K8/9783Angiosperms [Magnoliophyta]
    • A61K8/9794Liliopsida [monocotyledons]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00Drugs for dermatological disorders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00Drugs for dermatological disorders
    • A61P17/16Emollients or protectives, e.g. against radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P19/00Drugs for skeletal disorders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to a ceramide production promoter which increases ceramide. Background technique
  • Ceramide one of the sphingolipids, is a trace amount of lipid in the whole body.
  • Intracellular signaling molecules such as cell proliferation, differentiation, and apoptosis are attracting attention. Therefore, it is considered that the substance which promotes the production of ceramide can be expected to induce the proliferation of the animal cells, the induction of differentiation, the apoptosis, and the like, and it is considered that inflammatory diseases, malignant tumors, and the like are caused by the proliferation of cells or The therapeutic effect of the abnormal disease of differentiation (Non-Patent Document 1).
  • ceramide one of the sphingolipids, accounts for more than half of the lipid in the stratum corneum of the outermost layer of the skin, and plays an important role in the moisturizing mechanism and barrier mechanism of the skin.
  • This ceramide is secreted in epidermal cells and functions as a lamella structure between cells in the stratum corneum.
  • ceramide has been reported to have a bone resorption inhibitory effect, a bone strengthening effect, and an alveolar bone reduction inhibitory effect, and is useful for the prevention and improvement of bone and joint diseases such as osteoporosis, bone fracture, low back pain, and rheumatism (Patent Document 1) It is effective in prevention of periodontal disease (Patent Document 2). Therefore, regarding the ceramide production-promoting substance, the therapeutic effect on such a disease can also be expected.
  • ceramide it has been reported to have an effect of imparting hair tension, thickening, and improving touch (Patent Document 3), and such an effect can be expected as a ceramide production-promoting substance.
  • Non-Patent Document 2 As a strong body, antipyretic drugs are used in diabetes, prostatic hypertrophy, senile low back pain, cataracts, etc., in Chinese medicine for blood, body, antipyretic, slow down and other purposes.
  • Non-Patent Document 3 As for the water or ethanol extract of Rehmannia glutinosa, there is reported a decrease in blood sugar or a hyperglycemia suppressing action, a slowing down, and a diuretic action (Non-Patent Document 3). Atractylodes is used for the purpose of strengthening the spleen, replenishing qi, diuresis, antiperspirant, etc. The report has the effect of increasing urine output and increasing blood sugar. Licorice is known as a raw material for the production of glycyrrhizic acid, and is used as a therapeutic agent for antitussive, expectorant, and peptic ulcer. It is used for the purpose of analgesia and detoxification in Chinese medicine.
  • the licorice extract has a remarkable gastric acid secretion inhibitory action, a healing effect of the peptic ulcer, an antispasmodic effect, an antitussive action, and the like (Non-Patent Document 4).
  • Rhubarb is used as a laxative and stomach medicine, and is used for anti-inflammatory, diarrhea, and detoxification in Chinese medicine. It is used for the purpose of hemostasis, analgesia, and chronic gastritis in Chinese medicine (Non-Patent Document 5).
  • Polygonum multiflorum has the functions of nourishing liver and kidney, benefiting essence and blood in traditional Chinese medicine, and is used for dizziness, headache and insomnia caused by anemia.
  • Platycodon grandiflorum is used as an antitussive and expectorant, and is known to have salivary secretion and tracheal secretion promoting effects.
  • Motherwort is used as a blood circulation, a menstruation, and a stimulant for various symptoms of antenatal and postpartum, and is effective for edema caused by nephritis (Non-Patent Document 6).
  • Yam is used for the purpose of strengthening the spleen, nourishing and strengthening, stopping diarrhea, and quenching thirst. It is reported to have a blood pressure lowering effect and a male hormone enhancing effect (Non-Patent Document 7).
  • Patent Document 1 Japanese Special Open 2001-158736
  • Patent Document 2 Japanese Special Opening 2001-158735
  • Patent Document 3 Japanese Patent Laid-Open No. 10-152421
  • Non-Patent Document 1 Sphingolipid targets in cancer therapy, David E. Modrak et al, Molecular Cancer Therapeutics 2006 5 (2): 200-8
  • Non-Patent Document 2 Natural Medicine Resources (2nd Edition, Edited by Takeda Tadao, Guangchuan Bookstore), 215 ⁇ 216
  • Non-Patent Document 3 Natural Medicine Resources (2nd Edition, edited by Takeda Hiroshi, etc., Hirokawa Bookstore), pages 132-133
  • Non-Patent Document 4 He Han Pharmaceutical (1st edition, edited by Takagi Kyoriji, Nanshan Hall), 72 ⁇ 73
  • Non-Patent Document 5 Natural Medicine Resources (2nd Edition, edited by Takeda Hiroshi, etc., Hirokawa Bookstore), pp. 263 ⁇ 264
  • Non-Patent Document 6 Chinese and Medicinal Plants (20th Edition, Edited by Demi Dafu, Guangchuan Bookstore), 72 pages
  • Non-Patent Document 7 Natural Medicine Resources (2nd Edition, edited by Takeda Tadao, etc., Hirokawa Bookstore), 263 ⁇ 264 pages
  • the present invention relates to a pharmaceutical, cosmetic or the like for providing ceramide production in a cell.
  • the present invention also relates to providing a cosmetic or pharmaceutical capable of restoring or maintaining the barrier function and moisturizing function of the skin.
  • the present inventors discovered that extracts of white peony, rehmannia, atractylodes, licorice, rhubarb, white and radix chinensis, platycodon grandiflorum, motherwort, and yam have ceramide-promoting effects and can be used as ceramides when exploring natural raw materials with high safety. Produce a booster for use.
  • the present invention relates to a ceramide production-promoting agent characterized by using a plant selected from the group consisting of white peony root, rehmannia glutinosa, atractylodes chinensis, licorice, rhubarb, white and polygonum, platycodon grandiflorum, motherwort and yam or an extract thereof as an active ingredient.
  • the extracts of Angelica dahurica, Atractylodes, Baihe, Polygonum multiflorum, Platycodon grandiflorum, Motherwort and Chinese yam may be petroleum ether extract obtained by using petroleum ether as an extraction solvent.
  • the extract of Rehmannia glutinosa and licorice may be an ethanol extract obtained by sequentially using petroleum ether and ethanol as an extraction solvent.
  • the extract of rhubarb may be an aqueous extract obtained by sequentially using petroleum ether, ethanol, or water as an extraction solvent.
  • the present invention also relates to the use of a plant selected from the group consisting of white peony, rehmannia, atractylodes, licorice, rhubarb, white and radix, scutellaria, platycodon, motherwort and yam, or an extract thereof for the manufacture of a ceramide production promoting agent.
  • the present invention relates to a humectant characterized by comprising a plant selected from the group consisting of motherwort and yam or an extract thereof as an active ingredient.
  • the extract of motherwort and yam may be a petroleum ether extract obtained by using petroleum ether as an extraction solvent.
  • the invention further relates to the use of a plant selected from the group consisting of motherwort and yam or an extract thereof for the manufacture of a humectant.
  • the ceramide production promoter of the present invention increases intracellular ceramide, and is used as a medicine for preventing or ameliorating inflammatory diseases, bone and joint diseases, periodontal diseases, etc., or for imparting tension, thickness and touch to hair. Improved cosmetics and the like are useful.
  • ceramide-promoting action is exhibited in specific plants or their extracts as a medicine capable of restoring or maintaining the high barrier function and moisturizing function of the stratum corneum when exploring a natural raw material having high safety. Products or cosmetics are useful.
  • the ceramide production promoter of the present invention increases ceramide in the stratum corneum and is useful as a cosmetic, a pharmaceutical or the like for restoring or maintaining the barrier function and moisturizing function of the skin.
  • Radix Angelicae Dahuricae is a white pheasant of the Umbelliferae "ge/ c ⁇ 3 dahurica (Fisch. ex Hoffm.) Benth. et Hook. f. or Hangbai ⁇ "ge/c " dahurica (Fisch. ex Hoffm.) Benth. et Hook. f. var. formosana (Boiss.) Shan et Yuan is a source plant, Radix Rehmanniae is based on Scrophulariaceae 1 ⁇ 2 Rehmannia glutinosa Libosch.
  • Rhizoma Atractylodis macrocephalae is derived from Atracty des macrocephala Koidz., Radix Et Rhizoma Glycyrrhizae, Leguminosae, Glycyrrhiza uralensis Fisher or fruit.
  • Glycyrrhiza (G _yqyrr »'z" inflata Bat.) or Glycyrrhiza glabra (G/_yqyrr/»'za glabra L.) is the source plant
  • Rhubarb (Rheix Et Rhizoma Rhei) is the palm leaf rhubarb of Polygonaceae ( R zeM jw / a or Rheum tanguticum Maxin.
  • Cx Balf. or R zew officinale Baill. is the source plant
  • Rhizoma Bletillae is Orchidaceae and Bletill a striata nb.) Reichb. f.
  • Radix Polygoni Multiflori Polygonum polyflorum multiflorum Thunb. from Polygonaceae, Radix Platycodonis, Platycodon, Campanulaceae Grandiflorum (Jacq.)
  • A. De. is a source plant, Herba Leonuri, Laminaceae, Motherwort ⁇ Leonurus ja ponicus Houtt.) is the source plant, Rhizoma Dioscoreae, which is planted from the Dioscoreaceae (os orea ⁇ /? ⁇ « Thumb.) , leaves, skins, branches, fruits, or roots are used as they are or after pulverization.
  • roots are preferred for white peony and rehmannia
  • roots and stems are preferred for atractylodes
  • roots and rhizomes are preferred for licorice and rhubarb
  • white and preferred are used.
  • roots are preferred for Polygonum multiflorum
  • roots are preferred for bellflowers
  • aerial parts are preferred for motherwort
  • roots and stems are preferred for yam.
  • the plant extract of the present invention includes an extract obtained by extracting a portion obtained by directly or drying the above-mentioned plant and cutting it into an appropriate size or a pulverized product, and further comprises separating and purifying the obtained product.
  • Higher activity component (ingredient).
  • the extraction may be carried out by soaking in a solvent at room temperature or under heating or by using an extraction device such as a Soxhlet extractor, or in addition, by using a distillation method such as steam distillation.
  • a supercritical extraction method in which carbon dioxide gas is supercritical, or a press method in which an extract is obtained by pressing.
  • any of a polar solvent and a non-polar solvent may be used, or they may be used in combination.
  • water alcohols such as methanol, ethanol, propanol, and butanol
  • polyols such as ethylene glycol, propylene glycol, and butylene glycol
  • ketones such as acetone and methyl ethyl ketone; methyl acetate and acetic acid
  • Esters such as ethyl ester
  • chain and cyclic ethers such as tetrahydrofuran and diethyl ether
  • polyethers such as polyethylene glycol
  • halogenated hydrocarbons such as chloroform, chloroform and carbon tetrachloride
  • Hydrocarbons such as petroleum ether
  • aromatic hydrocarbons such as benzene and toluene
  • pyridines supercritical carbon dioxide
  • water, ethanol, propylene glycol, butylene glycol, petroleum ether or the like is preferably used, and a mixed liquid of water and ethanol and petroleum ether are particularly preferably used.
  • the extraction for example, when water, alcohol, hydrocarbon, or a mixture of water and alcohol is used, it is preferred to use 1 to 50 parts by mass of the solvent relative to 1 part by mass of the plant, at 4 to 100 ° C, preferably at 20
  • the extraction is carried out at a temperature of ⁇ 80 ° C for 1 hour to 30 days, more preferably 1 hour to 10 days.
  • an extract may be mentioned Active carbon treatment, liquid-liquid distribution, column chromatography, liquid chromatography, gel filtration, precision distillation, etc. If necessary, it is also possible to carry out a treatment such as deodorization and decolorization in a known manner.
  • the extract and the component thus obtained may be used as it is, or the diluted solution obtained by diluting with a suitable solvent may be used, or an extract prepared by heating under reduced pressure or under reduced pressure may also be used. And dry powder or prepare a paste-like extract.
  • lyophilization may also be carried out, using a solvent which is usually used for extraction, such as water, ethanol, propylene glycol, butanediol, a mixture of water and ethanol, a mixture of water and propylene glycol, water and butyl.
  • a solvent such as a mixture of diols is diluted and used. Further, it may be used in a lipid globule such as a liposome or a microcapsule.
  • the plant of the present invention or an extract thereof has an effect of increasing the amount of ceramide in normal human keratinocytes.
  • ceramide plays an important role in the moisturizing function and barrier function of the skin ( ⁇ : ⁇ , 1 (4), 250-253, 1991).
  • the so-called moisturizing function means a function of imparting softness to the skin and providing smooth and beautiful skin by containing moderate moisture.
  • the so-called barrier function means preventing moisture exudation in the body and preventing the skin from drying out while preventing the body from being dry. The function of foreign bodies invading the body.
  • the plant of the present invention or an extract thereof can be used as a ceramide production promoter or a moisturizer or a barrier enhancer, and can be used for producing a ceramide production promoter or a moisturizer or a barrier enhancer.
  • the ceramide production promoter or the humectant can be used as a pharmaceutical product for increasing the ceramide in the stratum corneum and restoring or maintaining the barrier function and the moisturizing function of the skin, and for the Japanese medical department, cosmetics, and the like.
  • the ceramide production promoter of the present invention can be expected to induce effects such as proliferation inhibition, differentiation induction, and apoptosis of animal cells, it can be used for preventing or treating inflammatory diseases, malignant tumors, and the like, resulting from cell proliferation or differentiation. It is used for the prevention of or improvement of bone and joint diseases such as osteoporosis, fracture, low back pain, rheumatism, prevention or improvement, etc., in the use of pharmaceuticals for abnormal diseases and foreign products of the Japanese Ministry of Medicine (Non-Patent Document 1). It is used as a pharmaceutical product for periodontal disease, an external product of the Japanese Ministry of Medicine, and the like (Patent Documents 1 and 2).
  • the ceramide production promoter or the humectant can also be used as a cosmetic or cosmetic product of the Japanese Ministry of Medicine, which is based on the concept of promoting or moisturizing ceramide production.
  • the administration method of the ceramide production promoter and the humectant of the present invention as a pharmaceutical preparation may be, for example, a tablet, a capsule, a granule, a powder, a syrup, or the like, or an injection or an external preparation. Any one of non-oral administration such as a sitting agent or a percutaneous absorption agent.
  • the plant of the present invention or an extract thereof may be used alone, or other pharmaceutically acceptable excipients, binders, extenders, pulverizers, surfactants, and lubricants may be appropriately combined.
  • a dispersing agent a dispersing agent, a buffering agent, a preservative, a flavoring agent, a perfume, a filming agent, a carrier, a diluent, and the like.
  • the content of the plant of the present invention in the preparation is preferably 0.01 to 20% by mass, particularly preferably 0.05 to 10% by mass, as the dry solid content, and is preferably 0.0001 to 10% by mass in terms of solid content, particularly preferably as a plant extract.
  • the daily dose per adult is, as the plant of the present invention or an extract thereof (converted to a dry solid component), for example, preferably 0.001 ⁇ 1000 mg is particularly preferably 0.01 to 100 mg.
  • the ceramide production promoter and the humectant of the present invention when used as cosmetics and cosmetics in Japan, they can be used as an external preparation for skin, a detergent, and a cosmetic for cosmetics, and can be used as a lotion according to the method of use.
  • Various dosage forms such as lotions, gels, creams, ointments, powders, granules, etc. are provided.
  • the plant of the present invention or the extract thereof can be prepared separately, or can be blended in Japan by the Japanese Ministry of Medicine, skin cosmetics, and cleansing products.
  • examples of the medicinal ingredient include other moisturizing components such as sodium hyaluronate.
  • the content of the plant of the present invention in the external cosmetics and cosmetics of the Japanese medical department is preferably 0.01 to 100% by mass, particularly preferably 0.05 to 70% by mass, based on the dry solid content.
  • the content of the extract is preferably 0.00001 to 100% by mass, particularly preferably 0.0001 to 70% by mass, in terms of solid content.
  • Japanese medical product foreign product refers to a cosmetic having special effects as prescribed in Article 2, Item 2 of the Japanese Pharmaceutical Affairs Law, but its efficacy is relatively mild compared to pharmaceuticals.
  • the 100 g of white peony of Production Example 1 was replaced with 100 g of atractylodes, and the same method was used for extraction to obtain a petroleum ether extract, and after the petroleum ether extract was evaporated, about 0.8 g of a petroleum ether extract of Atractylodes lancea L. was obtained.
  • the 100 g of white peony of Production Example 1 was replaced with 100 g of motherwort, and the same method was used to obtain a petroleum ether extract, and the petroleum ether extract was evaporated to obtain about 0.5 g of a petroleum ether extract of motherwort.
  • NHEK (F) Normal human epidermal keratinocytes
  • KURAB0 EpiLife-KG2
  • Lipids were extracted from the recovered cells by the Bligh and Dyer method. After the extract was dried under nitrogen, a reconstituted product in a mixture of chloroform and methanol was prepared as a lipid sample. In addition, protein quality was quantified by the BCA method.
  • the amount (Table 1), the numerical value in the table indicates the relative value when the amount of ceramide of the reference substance (addition of the above control solution) was 1.

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Description

神经酰胺产生促进剂
技术领域
本发明涉及使神经酰胺增加的神经酰胺产生促进剂。 背景技术
神经鞘脂类之一的神经酰胺在生物体整体中是微量的脂质, 但近 年来报告了通过促进细胞内神经酰胺的产生而诱导细胞凋亡、 分化诱 导、 增殖抑制这样的现象, 作为控制细胞的增殖、 分化、 凋亡等的细 胞内信号分子而受到注目。 因此, 关于促进神经酰胺的产生的物质, 被认为可以期待诱导动物细胞的增殖抑制、 分化诱导、 细胞凋亡等效 果, 进而被认为能够期待对炎症性疾病、 恶性肿瘤等起因于细胞的增 殖或分化的异常的疾病的治疗效果 (非专利文献 1 )。
另外, 神经鞘脂类之一的神经酰胺在皮肤最外侧的层角质层中占 脂质的一半以上, 在皮肤的保湿机构、 屏障机构中发挥着重要作用。 该神经酰胺在表皮细胞中产生分泌后, 在角质层中的细胞之间构筑层 状 (lamella) 结构而发挥功能。
有很多报告称, 在干燥皮肤、 粗糙皮肤、 异位性皮炎 (atopic dermatitis), 老年性干皮症 ( senile xerosis )、 银屑病等皮肤疾病中, 神 经酰胺的健全代谢受到妨碍, 角质层中的神经酰胺量减少, 引起皮肤 的保湿功能和屏障功能的下降等。
对于这样的皮肤疾病, 也尝试从外部补充减少的神经酰胺, 但有 长期效果得不到认可、 稳定性低等的问题。
另外, 关于神经酰胺, 报告了具有骨吸收抑制作用、 骨强化作用、 牙槽骨减少抑制作用, 在骨疏松症、 骨折、 腰痛、 风湿病等骨关节疾 病的预防和改善方面有用 (专利文献 1 ), 在牙周病预防方面有效 (专 利文献 2)。 因此, 关于神经酰胺产生促进物质, 也可以期待对这样的 疾病的治疗效果。
而且, 关于神经酰胺, 还报告了具有赋予毛发张力、 浓密和改善 触感的作用 (专利文献 3 ), 关于神经酰胺产生促进物质也可以期待这 样的效果。
白芷、 地黄、 白术、 甘草、 大黄、 白及、 何首乌、 桔梗、 益母草 和山药都是作为传统中草药自古以来被使用的药用植物。 SP , 白芷在 中药中是以解热、 镇痛、 解毒、 排脓等为目的而使用的, 关于其醚提 取物, 报告有血压上升、 呼吸运动兴奋作用 (非专利文献 2)。 地黄作 为强身,解热药被应用在糖尿病、 前列腺肥大症、 老年性腰痛、 白内 障等, 在中药中以补血、 强身、 解热、 缓下等目的使用。 另外, 关于 地黄的水或乙醇提取物, 报告有血糖下降或高血糖抑制作用、 缓下、 利尿作用 (非专利文献 3 )。 白术是以健脾、 益气、 利尿、 止汗等为目 的而使用, 报告具有增加尿量作用和增加血糖作用。 甘草被已知作为 甘草酸的制造原料, 被作为镇咳 ·祛痰药、 消化性器官溃疡治疗药而 通用, 在中药中以镇痛、 解毒等为目的被使用。 另外, 关于甘草提取 物, 报告具有显著的胃酸分泌抑制作用、 消化道溃疡愈合作用、 镇痉、 镇咳作用等 (非专利文献 4)。 大黄被用作为泻药、 健胃药, 在中药中 以消炎、 泻下、 解毒作为目的使用。 白及在中药中以止血、 镇痛、 慢 性胃炎作为目的使用 (非专利文献 5 )。 何首乌在中药中有补肝肾、 益 精血作用, 针对由贫血引起的头暈和头痛、 失眠而使用。 桔梗作为镇 咳祛痰药使用, 已知具有唾液分泌和气管分泌促进作用。 益母草作为 活血、 调经、 益精药而用于妇女在产前产后的各种症状, 对于由肾炎 引起的浮肿有效(非专利文献 6)。 山药以健脾益气、 滋养强壮、 止泻、 止渴为目的使用, 报告具有血压下降作用、 男性激素增强作用 (非专 利文献 7)。
但是, 关于这些植物具有神经酰胺产生促进效果和 /或保湿效果, 至今完全未知。
专利文献 1 : 日本特开 2001— 158736号
专利文献 2: 日本特开 2001— 158735号
专利文献 3 : 日本特开平 10— 152421号
非专利文献 1 : Sphingolipid targets in cancer therapy, David E. Modrak等, Molecular Cancer Therapeutics 2006 5 (2): 200-8
非专利文献 2: 天然医药资源学(第 2版, 竹田忠纮等编辑, 广川 书店), 215〜216页
非专利文献 3 : 天然医药资源学(第 2版, 竹田忠纮等编辑, 广川 书店), 132〜133页 非专利文献 4:和汉药物学(第 1版,高木敬次郎等编辑,南山堂), 72〜73页
非专利文献 5: 天然医药资源学(第 2版, 竹田忠纮等编辑, 广川 书店), 263〜264页
非专利文献 6: 和汉药用植物 (第 20版, 刈米达夫等编辑, 广川 书店), 72页
非专利文献 7: 天然医药资源学(第 2版, 竹田忠纮等编辑, 广川 书店), 263〜264页 发明内容
本发明涉及提供用于促进细胞内神经酰胺产生的医药品、 化妆品 等。 本发明还涉及提供能够恢复或维持皮肤的屏障功能和保湿功能的 化妆品或医药品。
本发明人在探索安全性高的天然物原材料时发现, 关于白芷、 地 黄、 白术、 甘草、 大黄、 白及、 何首乌、 桔梗、 益母草、 山药的提取 物具有神经酰胺产生促进作用, 可以作为神经酰胺产生促进剂使用。
首先, 本发明涉及一种神经酰胺产生促进剂, 其特征在于, 以选 自白芷、 地黄、 白术、 甘草、 大黄、 白及、 何首乌、 桔梗、 益母草和 山药的植物或其提取物为有效成分。
其中, 白芷、 白术、 白及、 何首乌、 桔梗、 益母草和山药的提取 物可以是使用石油醚作为提取溶剂而得到的石油醚提取物。 地黄、 甘 草的提取物可以是依次使用石油醚和乙醇作为提取溶剂而得到的乙醇 提取物。 大黄的提取物可以是依次使用石油醚、 乙醇、 水作为提取溶 剂而得到的水提取物。
本发明还涉及选自白芷、 地黄、 白术、 甘草、 大黄、 白及、 何首 乌、 桔梗、 益母草和山药的植物或其提取物用于制造神经酰胺产生促 进剂的用途。
另外, 本发明还涉及一种保湿剂, 其特征在于, 以选自益母草和 山药的植物或其提取物为有效成分。
其中, 益母草和山药的提取物可以是使用石油醚作为提取溶剂而 得到的石油醚提取物。 本发明还涉及选自益母草和山药的植物或其提取物的用于制造保 湿剂的用途。
本发明的神经酰胺产生促进剂使细胞内的神经酰胺增加, 作为用 于预防或改善炎症性疾病、 骨关节疾病、 牙周病等的医药品等、 或用 于赋予毛发的张力、 浓密和触感改善的化妆品等是有用的。
另外, 本发明人在探索安全性高的天然物原材料时发现, 在特定 的植物或其提取物中具有神经酰胺产生促进作用, 它们作为能够恢复 或维持角质层的高屏障功能和保湿功能的医药品或化妆品是有用的。
本发明的神经酰胺产生促进剂使角质层中的神经酰胺增加, 作为 用于恢复或维持皮肤的屏障功能和保湿功能的化妆品、 医药品等是有 用的。 具体实施方式
在本发明中, 白芷 ( Radix Angelicae Dahuricae ) 以伞形科 ( Umbelliferae ) 的白 ϊΐ "ge/ c<3 dahurica (Fisch. ex Hoffm.) Benth. et Hook. f.或杭白 ϊΐ "ge/ c" dahurica (Fisch. ex Hoffm.) Benth. et Hook. f. var. formosana(Boiss.) Shan et Yuan 为来源植物, 地黄 ( Radix Rehmanniae ) 以玄参禾斗 ( Scrophulariaceae ) ½ Rehmannia glutinosa Libosch.为来源植物, 白术 ( Rhizoma Atractylodis macrocephalae ) 以菊 禾斗 ( Compositae )的白术 (Atracty des macrocephala Koidz.)为来源植物, 甘草 ( Radix Et Rhizoma Glycyrrhizae ) 以豆禾斗 ( Leguminosae ) 的甘草 Glycyrrhiza uralensis Fisher或胀果甘草 (G _yqyrr »'z" inflata Bat.)或光果 甘草 (G/_yqyrr/»'za glabra L.)为来源植物, 大黄( Radix Et Rhizoma Rhei ) 以蓼科 ( Polygonaceae ) 的掌叶大黄 (R zeM jw/ a 或唐古特大黄 (Rheum tanguticum Maxin. Cx Balf.)或药用大黄 (R zew officinale Baill.) 为来源植物, 白及 (Rhizoma Bletillae ) 以兰科 ( Orchidaceae ) 的白及 Bletilla striata nb.) Reichb. f.为来源植物, 何首乌 (Radix Polygoni Multiflori ) 以蓼禾斗 ( Polygonaceae ) 的何首乌 Polygonum multiflorum Thunb.为来源植物, 桔梗 ( Radix Platycodonis ) 以桔梗科 ( Campanulaceae )的桔梗 Platycodon grandiflorum (Jacq.) A. De.为来源 植物, 益母草 (Herba Leonuri) 以唇形科 ( Laminaceae )益母草属植物 {Leonurus ja ponicus Houtt.)为来源植物, 山药 ( Rhizoma Dioscoreae ) 以薯葡禾斗 ( Dioscoreaceae )的薯葡 ( os orea ο/?ρα« Thumb.)为来源植 上述植物可以将其植物的全草、 叶、 皮、 枝、 果实或根等原样使 用或粉碎后使用, 但对于白芷、 地黄优选使用根, 对于白术优选使用 根、 茎, 对于甘草、 大黄优选使用根、 根茎, 对于白及优选使用块茎, 对于何首乌优选使用根, 对于桔梗优选使用根, 对于益母草优选使用 地上部分, 对于山药优选使用根、 茎。
作为本发明的植物提取物, 包括将上述植物的使用部分直接或干 燥后切断为适当大小或粉碎加工物而得到的部分进行提取而得到的提 取物, 除此以外还包含进一歩分离精制而得到的活性更高的组分 (成 分)。
提取可以是在室温或加热状态下使之在溶剂中浸泡或使用索式提 取器(Soxhlet extractor)等提取器具进行溶剂提取, 除此以外, 还可以 使用利用水蒸汽蒸馏等蒸馏法进行提取的方法、 使二氧化碳气体成为 超临界状态而进行的超临界提取法或压搾而得到提取物的压搾法等。
作为在溶剂提取中使用的提取溶剂, 可以使用极性溶剂、 非极性 溶剂的任意一种, 也可以将它们混合使用。 例如, 可以列举: 水; 甲 醇、 乙醇、 丙醇、 丁醇等醇类; 乙二醇、 丙二醇、 丁二醇等多元醇类; 丙酮、 甲基乙基酮等酮类; 醋酸甲酯、 醋酸乙酯等酯类; 四氢呋喃、 二乙醚等链状和环状醚类; 聚乙二醇等聚醚类; 二氯甲垸、 氯仿、 四 氯化碳等卤化烃类; 己垸、 环己垸、 石油醚等烃类; 苯、 甲苯等芳香 族烃类; 吡啶类; 超临界二氧化碳; 油脂、 蜡、 其它油等, 这些可以 单独或组合 2种以上使用, 也可以改变溶剂而反复进行。 其中, 优选 使用水、 乙醇、 丙二醇、 丁二醇、 石油醚等, 特别优选使用水和乙醇 的混合液、 石油醚。
对于提取而言, 例如由水、 醇类、 烃类、 或水和醇的混合液进行 提取时, 优选相对 1质量份植物使用 1〜50质量份溶剂, 在 4〜100°C、 优选在 20〜80°C的温度下, 以 1 小时〜 30 日、 更优选以 1 小时〜 10 日进行提取。
另外, 作为提取物的分离精制手段, 例如, 可以列举将提取物进 行活性碳处理、 液液分配、 柱色谱、 液相色谱、 凝胶过滤、 精密蒸馏 等。 根据需要, 还可以以公知的方法进一歩实施脱臭、 脱色等处理。
本发明的植物提取物, 既可以直接使用这样得到的提取液和组分, 也可以使用以适当溶剂稀释后得到的稀释液, 或也可以为制成为在加 热下或减压下浓缩的提取物和干燥粉末或调制成为膏状的提取物。 另 夕卜, 也可以进行冷冻干燥, 在使用时以通常用于提取的溶剂, 例如以 水、 乙醇、 丙二醇、 丁二醇、 水和乙醇的混合液、 水和丙二醇的混合 液、 水和丁二醇的混合液等溶剂进行稀释后使用。 另外, 也可以在脂 质体 (liposome) 等类脂小球和微胶囊等中内包使用。
如在后述实施例中所示, 本发明的植物或其提取物在正常人角化 细胞中具有使神经酰胺量增加的作用。
另外,神经酰胺在皮肤的保湿功能、屏障功能中发挥重要作用(芋 川玄尔: 香妆会志, 1 (4), 250— 253, 1991 )。 在这里, 所谓保湿功 能意思是通过含有适度水分而给皮肤带来柔软性并成为光滑美丽的皮 肤的功能, 所谓屏障功能意思是防止体内水分渗出并且在使身体皮肤 不干燥的同时防止来自外部的异物侵入体内的功能。
因此, 本发明的植物或其提取物可以作为神经酰胺产生促进剂或 保湿剂、 屏障增强剂使用, 另外, 可以用于制造神经酰胺产生促进剂 或保湿剂、 屏障增强剂。 该神经酰胺产生促进剂或保湿剂可以作为用 于使角质层中的神经酰胺增加并恢复或维持皮肤的屏障功能和保湿功 能的医药品、 日本的医药部外品、 化妆品等使用。 并且, 本发明的神 经酰胺产生促进剂可以期待诱导动物细胞的增殖抑制、 分化诱导、 细 胞凋亡等效果, 所以, 可以作为用于预防或治疗炎症性疾病、 恶性肿 瘤等起因于细胞增殖或分化异常的疾病的医药品、 日本的医药部外品 等使用 (上述非专利文献 1 ), 另外, 可以作为用于预防或改善骨疏松 症、 骨折、 腰痛、 风湿病等骨关节疾病、 预防或改善牙周病的医药品、 日本的医药部外品等使用 (上述专利文献 1和 2)。 另外, 还可以作为 用于给毛发赋予张力、 浓密的改善毛发触感的日本的医药部外品、 化 妆品使用 (上述专利文献 3 )。 另外, 该神经酰胺产生促进剂或保湿剂 也可以作为以神经酰胺产生促进或保湿为概念并根据需要表示其宗旨 的日本的医药部外品、 化妆品使用。 作为将本发明的神经酰胺产生促进剂和保湿剂用作医药品时的给 药方式, 例如, 可以为片剂、 胶囊剂、 颗粒剂、 散剂、 糖浆剂等经口 给药或注射剂、 外用剂、 坐剂、 经皮吸收剂等非经口给药的任一种。 在配制该医药制剂时, 可以单独地使用本发明的植物或其提取物, 或 适当组合其它在药学上被允许的赋形剂、 粘合剂、 增量剂、 粉碎剂、 表面活性剂、 润滑剂、 分散剂、 缓冲剂、 保存剂、 矫味剂、 香料、 覆 膜剂、 载体、 稀释剂等使用。 该制剂中的本发明植物的含量, 作为干 燥固体成分优选含有 0.01〜20质量%,特别优选含有 0.05〜10质量%, 作为植物提取物, 按照固体成分换算优选含有 0.0001〜10质量%, 特 别优选含有 0.001〜5质量%。 另外, 在将本发明的神经酰胺产生促进 剂作为医药品使用时, 成人每人每日的给药量, 作为本发明的植物或 其提取物 (换算为干燥固体成分), 例如优选是 0.001〜1000mg, 特别 优选是 0.01〜100mg。
另外, 将本发明的神经酰胺产生促进剂和保湿剂作为日本的医药 部外品和化妆品使用时, 可以制成为皮肤外用剂、 洗净剂、 美容用化 妆品, 根据使用方法, 可以以洗液、 乳液、 凝胶、 乳脂、 软膏剂、 粉 剂、 颗粒剂等各种剂型进行提供。 这样的各种剂型的日本的医药部外 品和化妆品, 可以将本发明的植物或其提取物单独地进行调制, 或通 过适当组合被配合在日本的医药部外品、 皮肤化妆品和洗净品中的油 性成分、 保湿剂、 粉体、 色素、 乳化剂、 增溶剂、 洗净剂、 紫外线吸 收剂、 增粘剂、 药效成分、 香料、 树脂、 防菌防霉剂、 植物提取物、 醇类等而调制。 另外, 作为药效成分, 可以列举透明质酸钠等其它保 湿成分。
该日本的医药部外品、 化妆品中的本发明植物的含量, 作为干燥 固体成分, 优选为 0.01〜100质量%、 特别优选 0.05〜70质量%。 另 一方面, 提取物的含量一般按照固体成分换算优选为 0.00001〜100质 量%、 特别优选为 0.0001〜70质量%。
以上所述的 "日本的医药部外品" asi d g)是指由日本药事法 第 2条第 2項所规定的具有特殊功效的化妆品, 但相对于医药品而言 其功效比较缓和。
【实施例】 制造例 1 白芷提取物的制造
相对 100g白芷加入 5倍量的石油醚,在 50°C回流提取 1小时, 过 滤, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到白芷的石 油醚提取物约 0.9克。
制造例 2 地黄提取物的制造
将制造例 1的 100g白芷取代为 100g地黄, 进行同样方法的提取, 得到石油醚提取液。 再在石油醚提取后的残渣中加入 5倍量的 95 %乙 醇, 在 78°C加热回流提取 1小时, 过滤, 得到乙醇提取液, 再将该乙 醇提取液蒸发后, 得到地黄的乙醇提取物约 5.0克。
制造例 3 白术提取物的制造
将制造例 1的 100g白芷取代为 100g白术, 进行同样方法的提取, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到白术的石油醚 提取物约 0.8克。
制造例 4 甘草提取物的制造
将制造例 1的 100g白芷取代为 100g甘草, 进行同样方法的提取, 得到石油醚提取液。 再在石油醚提取后的残渣中加入 5倍量的 95 %乙 醇, 在 78°C加热回流, 提取 1小时, 过滤, 得到乙醇提取液, 再将该 乙醇提取液蒸发后, 得到甘草的乙醇提取物约 9.1克。
制造例 5 大黄提取物的制造
将制造例 1的 100g白芷取代为 100g大黄, 进行同样方法的提取, 得到石油醚提取液。 再在石油醚提取后的残渣中加入 5倍量的 95 %乙 醇, 在 78°C加热回流提取 1小时, 过滤, 得到乙醇提取液, 在乙醇提 取后的残渣中加入 5倍量的水, 在 60°C温水浴中超声提取 1小时, 过 滤, 得到水提取液再将该水提取液蒸发后, 得到大黄的水提取物约 6.9 克。
制造例 6 白及提取物的制造
将制造例 1的 100g白芷取代为 100g白及, 进行同样方法的提取, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到白及的石油醚 提取液物 0.4克。
制造例 7 何首乌提取物的制造
将制造例 1的 100g白芷取代为 100g何首乌, 进行同样方法的提 取, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到何首乌的 石油醚提取物约 0.2克。
制造例 8 桔梗提取物的制造
将制造例 1的 100g白芷取代为 100g桔梗, 进行同样方法的提取, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到桔梗的石油醚 提取物约 0.5克。
制造例 9 益母草提取物的制造
将制造例 1的 100g白芷取代为 100g益母草, 进行同样方法的提 取, 得到石油醚提取液, 再将该石油醚提取液蒸发后, 得到益母草的 石油醚提取物约 0.5克。
制造例 10 山药提取物的制造
将制造例 1的 100g白芷取代为 100g山药, 进行同样方法的提取, 得到山药石油醚提取液, 再将该石油醚提取液蒸发后, 得到山药的石 油醚提取物约 0.3克。
实施例 1 神经酰胺产生促进试验
<试验用溶液和对照溶液〉
Figure imgf000010_0001
<培养条件〉
在 EpiLife-KG2 (KURAB0公司) 6孔板上播种正常人表皮角化细胞 ( NHEK ( F ) ), 培养到成为聚集 (confluent ) 状态。 此后, 变换为 EpiLife-KG2(无增殖添加因子),分别添加上述试验用溶液及对照溶液。 培养 3日后, 从每个孔回收细胞。
<脂质提取〉
由 Bligh and Dyer法从回收的细胞中提取脂质。将提取液进行氮气 干燥后, 将在氯仿和甲醇混合液中再溶解物制作为脂质样品。 另外, 蛋白质量由 BCA法进行定量。
<神经酰胺量解析〉
以薄层色谱(TLC)法在提取的脂质中进行解析。 以氯仿: 甲醇: 醋酸 = 190 : 9 : 1水平方向展开 2次, 吹干并喷硫酸铜显色溶液, 以加 热板烘烤并检测神经酰胺, 所得值以各自的蛋白量相除得神经酰胺量 (表 1 ), 表中数值表示以 (添加了上述对照溶液的) 对照品的神经酰 胺量为 1时的相对值。
【表 1】
Figure imgf000011_0001
如表 1 中所示, 对于本发明的植物提取物, 确认了人角化细胞的 神经酰胺产生促进效果。

Claims

权利要求书
1.一种神经酰胺产生促进剂, 其特征在于,
以选自白芷、 地黄、 白术、 甘草、 大黄、 白及、 何首乌、 桔梗、 益母草和山药的植物或其提取物为有效成分。
2.如权利要求 1所述的神经酰胺产生促进剂, 其特征在于, 所述白芷、 白术、 白及、 何首乌、 桔梗、 益母草和山药的提取物 是使用石油醚作为提取溶剂而得到的石油醚提取物。
3. 如权利要求 1所述的神经酰胺产生促进剂, 其特征在于, 所述地黄、 甘草的提取物是依次使用石油醚和乙醇作为提取溶剂 而得到的乙醇提取物。
4. 如权利要求 1所述的神经酰胺产生促进剂, 其特征在于, 所述大黄的提取物是依次使用石油醚、 乙醇、 水作为提取溶剂而 得到的水提取物。
5.选自白芷、 地黄、 白术、 甘草、 大黄、 白及、 何首乌、 桔梗、 益 母草和山药的植物或其提取物用于制造如权利要求 1-4 的任一项所述 的神经酰胺产生促进剂的用途。
6.—种保湿剂, 其特征在于,
以选自益母草和山药的植物或其提取物为有效成分。
7.如权利要求 6所述的保湿剂, 其特征在于,
所述益母草和山药的提取物是使用石油醚作为提取溶剂而得到的 石油醚提取物。
8.选自益母草和山药的植物或其提取物的用于制造如权利要求 6 或 7所述的保湿剂的用途。
PCT/CN2009/073291 2008-08-18 2009-08-17 神经酰胺产生促进剂 WO2010020165A1 (zh)

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