CN108524478A - Application of sanshool in preparation of external preparation for repairing skin photodamage - Google Patents

Application of sanshool in preparation of external preparation for repairing skin photodamage Download PDF

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Publication number
CN108524478A
CN108524478A CN201810595681.9A CN201810595681A CN108524478A CN 108524478 A CN108524478 A CN 108524478A CN 201810595681 A CN201810595681 A CN 201810595681A CN 108524478 A CN108524478 A CN 108524478A
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sanshool
cosmetics
purposes
drug
hydroxyl
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CN108524478B (en
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蒋献
柯博文
郝丹
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Sichuan Shengjia Technology Co ltd
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West China Hospital of Sichuan University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/16Amides, e.g. hydroxamic acids
    • 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)
    • A61K36/75Rutaceae (Rue family)
    • A61K36/758Zanthoxylum, e.g. pricklyash
    • 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
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/42Amides
    • 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]
    • A61K8/9789Magnoliopsida [dicotyledons]
    • 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
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/004Aftersun preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/74Biological properties of particular ingredients
    • A61K2800/78Enzyme modulators, e.g. Enzyme agonists
    • A61K2800/782Enzyme inhibitors; Enzyme antagonists

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Botany (AREA)
  • Dermatology (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Biotechnology (AREA)
  • Birds (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Medical Informatics (AREA)
  • Toxicology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

The invention provides application of sanshool or isomers thereof or extracts containing the sanshool in preparing medicines or cosmetics for preventing and/or treating skin photodamage. The experimental result shows that the sanshool can improve the proliferation activity of the fibroblasts; can also inhibit the expression of MMP-1 and MMP-3, and reduce the degradation of extracellular matrix; and can significantly alleviate the symptoms of photodamage to the skin; can be used for preparing cosmetics or medicines for repairing skin photodamage, and has wide market application prospect.

Description

Purposes of the sanshool in preparing the external preparation for repairing dermal photodamage
Technical field
The purposes in the external preparation for repairing dermal photodamage is prepared the present invention relates to sanshool.
Background technology
Ultraviolet light irradiates, and especially ultraviolet B radiation (UVB) can cause a series of damages of skin, and it is red to induce skin appearance Spot, blister, inflammation, it is coarse, thicken, pigmentation, telangiectasis, a series of acute and chronic reactions such as light aging.Light injury The epidermal thickness of skin differs, with focal atrophy or hyperplasia and different degrees of melanin pigmentation.The visible bullet of skin corium Property fiber alignment is disorderly, mucopolysaccharide hyperplasia and fibroblast proliferation reduced capability.Photodamaged skin disease is a kind of by daylight, Especially ultraviolet light irradiates skin directly or indirectly caused skin disease, includes mainly:1. light aging;2. light sensitive dermatoses, Such as:Polymorphous light eruption (polymorphous light eruption, PLE), farmer's skin (chronic actinic dermatitis,CAD);3. light aggravates dermatoses, such as:It is acne (acne), chloasma (chloasma), quick Perceptual skin etc.;4. light is carcinogenic, such as:Solar keratosis (actinic keratosis), squamous cell carcinoma (squamous Cell carcinoma, SCC), basal-cell carcinoma (basal cell carcinoma, BCC), (the He Li skins such as chromoma Skin disease and venereal disease, 2013, (2):78-79.).Such disease is a kind of more typical, and the interpretation of the cause, onset and process of an illness is complicated, the disease of diverse clinical manifestations, Often betide exposure position, easily repeatedly, it is refractory more, even be easy induce canceration, seriously endanger the physical and mental health of the people, Therefore it is studied and has become current medical domain one of important topic urgently to be resolved hurrily.At present to dermal photodamage and photodamaged Dermopathic protection mainly avoids excessive solarization, uses suncream and sun-proof measure, due to many reasons, the effect acquired by it Fruit is very limited.
Chinese prickly ash is Rutaceae (Rutaceae) Zanthoxylum (Zanthoxylum genus), and fragrance, oil plant and Chinese medicine have More than 2000 years history,《Pharmacopoeia of People's Republic of China》It goes through version to record, " integration of drinking and medicinal herbs ", modern Chinese herbal medicine concludes its effect and is: Warm in pain, expelling parasite, external application eliminating dampness, desinsection are antipruritic.Sanshool (sanshool) extracts from Chinese prickly ash, Japanese for the first time in 1913 Scholar village mountain justice temperature finds and names, and belongs to fagaramide substance, is Chinese prickly ash fiber crops taste source, and recent research has shown that it has and promotees A variety of effects such as WeiDongLi Capsule, analgesia, expelling parasite, antipruritic, antitumor, platelet aggregation-against.Up to the present it yet there are no mountain Green pepper element is used to repair the report of dermal photodamage.
Invention content
Exist in order to solve the above technical problem, the present invention provides sanshool or its isomer or containing its extract Prepare the drug for preventing and/or treating dermal photodamage or the purposes in cosmetics.
Further, the drug or cosmetics are the substances for promoting fibroblast proliferation.
Further, the drug or cosmetics are the substances for inhibiting matrix metalloproteinase MMP-1, MMP-3 expression.
Further, the drug or cosmetics are the substances for inhibiting extracellular matrix degradation.
Further, the drug or cosmetics are to increase epidermal thickness, improve skin corium elastomer and collagenous fibres The substance of arrangement.
Further, the sanshool is hydroxyl-alpha-sanshool, hydroxy-beta-sanshool, hydroxyl-γ-sanshool, hydroxyl- One kind in δ-sanshool, hydroxyl-ε-sanshool, α-sanshool, β-sanshool, γ-sanshool, δ-sanshool, ε-sanshool Or a variety of, preferably hydroxyl-alpha-sanshool.
Further, the extract containing sanshool is pepper extract.
Further, the pepper extract is the substance removed after cellulose and lignin.
Further, the dermal photodamage refers to skin injury caused by ultraviolet light.
Further, it is sanshool or its isomer or is active constituent containing its extract, adds drug Or the preparation that acceptable auxiliary material is prepared in cosmetics.
The experiment results show that fibroblastic proliferation activity can be improved in sanshool;It may also suppress MMP-1's and MMP-3 Expression, reduces the degradation of extracellular matrix;And it can significantly mitigate dermal photodamage symptom;It can be used for preparing and repair skin light The cosmetics or drug of damage, have a vast market application prospect.
Obviously, the above according to the present invention is not being departed from according to the ordinary technical knowledge and customary means of this field Under the premise of the above-mentioned basic fundamental thought of the present invention, the modification, replacement or change of other diversified forms can also be made.
The specific implementation mode of form by the following examples remakes further specifically the above of the present invention It is bright.But the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to example below.It is all to be based on the above of the present invention The technology realized all belongs to the scope of the present invention.
Description of the drawings
Fig. 1 is the HE colored graphs of mouse skin, wherein 1 meaning is epidermis, and 2 is signified for skin corium fiber.
Specific implementation mode
The preparation of embodiment 1, pepper extract containing sanshool
Take dry Chinese prickly ash pericarp 2kg broken, the ethanol water for being 85% with 16kg volume fractions is to Chinese prickly ash pericarp powder Cold soaking extraction is carried out, extraction time 48h is extracted 3 times, is merged leaching liquor, is abandoned the dregs of a decoction, and concentrate is concentrated under reduced pressure to obtain in leaching liquor, The volume of concentrate is the 1/5~1/4 of leaching liquor, obtains hydroxyl sanshool mixture;By the hydroxyl sanshool mixture of gained It is 20% to be diluted with water to volumes of aqueous ethanol score, is isolated and purified by HP-20 type macroporous adsorbent resin column chromatographies, is done Dry Pericarpium Zanthoxyli fruit weight is 1Kg with macroporous absorbent resin volume ratio:0.7L, Dynamic Adsorption loading, adsorption rate are controlled every Hour 2.5BV after absorption, first uses the water of 2.5BV and 55% ethanol solution elution removal of impurities respectively, then with the 85% of 3BV Ethanol solution elution, collect eluent, hydroxyl sanshool mixture medicinal extract is concentrated under reduced pressure to obtain.The sanshool mixing extraction of concentration Object can be used directly, be used after can also further being isolated and purified by organic solvent.
Embodiment 2,
A kind of cosmetics for repairing dermal photodamage, it is that the raw material matched by following weight forms:Deionized water 73%, 1,3-PD 8%, pentanediol 3.5%, ring five dimethyl silicone polymer 3%, dimethyl silicone polymer 3%, containing sanshool Pepper extract 2%, Fructus Hordei Germinatus oligose glucoside 2%, triglycerides 2%, four ester 2% of pentaerythrite, pungent glycol/glycerine/poly- third Olefin(e) acid copolymer 1 .5%.
Preparation method:The deionized water of formula ratio, 1,3-PD, pentanediol and Fructus Hordei Germinatus oligose glucoside are mixed It is heated to 85-90 DEG C;The ring five dimethyl silicone polymer of addition formula ratio, dimethyl silicone polymer, triglycerides, pentaerythrite Four esters and pungent glycol/glycerine/acrylic copolymer continue heating stirring, and formula ratio is added after being cooled to room temperature contains sanshool Pepper extract stir and evenly mix.
Application method:It takes appropriate directly external application to be applied to skin, once a day, without cleaning, uses preceding smearable moisturizing Frost.
Embodiment 3,
A kind of cosmetics for repairing dermal photodamage, it is that the raw material matched by following weight forms:Deionized water 74%, 1,3-PD 8%, pentanediol 3.5%, ring five dimethyl silicone polymer 3%, dimethyl silicone polymer 3%, containing sanshool Pepper extract 1%, Fructus Hordei Germinatus oligose glucoside 2%, triglycerides 2%, four ester 2% of pentaerythrite, pungent glycol/glycerine/poly- third Olefin(e) acid copolymer 1 .5%.
Preparation method:The deionized water of formula ratio, 1,3-PD, pentanediol and Fructus Hordei Germinatus oligose glucoside are mixed It is heated to 85-90 DEG C;The ring five dimethyl silicone polymer of addition formula ratio, dimethyl silicone polymer, triglycerides, pentaerythrite Four esters and pungent glycol/glycerine/acrylic copolymer continue heating stirring, and formula ratio is added after being cooled to room temperature contains sanshool Pepper extract stir and evenly mix.
Application method:It takes appropriate directly external application to be applied to skin, once a day, without cleaning, uses preceding smearable moisturizing Frost.
Illustrate beneficial effects of the present invention below by way of test example.
Test example 1, sanshool repair the cell experiment of light injury
(1) cell photo-damage model is established
Chinese Fetal Foreskin Fibroblasts are taken, Fibroblast cell-culture is detached using conventional method, are frozen after being passaged to 3-5 generations, cell recovery After be inoculated in culture dish, be added the 8-methoxsalen (8-MOP) of 50mg/L in culture medium, when irradiation abandons culture medium, to contain 50mg/ Row UVA irradiation after the PBS of the 8-MOP of L is rinsed 2 times, irradiation dose are 9J/cm2, Continuous irradiation 21 days.It is seen under microscope It examines cell and the feature damaged change occurs:I.e. cell becomes larger, and intracellular particle increases, and cytoplasmic vacuolation and proliferation delay.
(2) experimental drug:Hydroxyl-alpha-sanshool
(3) promote fibroblastic increment active (%)
Experimental method:Fibroblast after UVA is irradiated is by 6 × 103A/hole is inoculated in 96 orifice plates, and culture 24 is small When after the sanshool that 10 μ L concentration are respectively 0.01%, 0.02% and 0.04% is added, continue culture 24 hours after 10 μ L/ are added The CCK-8 reagents in hole measure absorbance (A) value of 450nm with enzyme-linked immunosorbent assay instrument after being incubated for 3 hours.It is repeated 3 times.
Cell viability (%)=[A (test group)-A (0)]/[A (blank control)-A (0)] × 100%
Wherein, A (test group) indicates the absorbance in the hole of cell, CCK-8 solution and sanshool;A (0) indicates CCK- 8 solution, and the absorbance in acellular and sanshool hole;A (blank control) has cell, CCK-8 solution, and the hole without sanshool Absorbance.
Influence of the 1. various concentration sanshool of table to fibroblast proliferation
As shown in Table 1, after sanshool acts on fibroblast, it is remarkably improved cell-proliferation activity.
(4) inhibit the expression of matrix metalloproteinase (MMP-1, MMP-3)
Experiment is divided into four groups, respectively untreated fish group (Normal group for not giving sanshool and UVA radiation treatments), Chinese pepper Plain processing group (+0.01% sanshool of fibroblast), UVA processing group, UVA+ sanshool processing group (give after UVA irradiation The processing of 0.01% sanshool), culture takes cell supernatant after 48 hours, illustrates sample-adding, temperature according to ELISA kit after extraction Educate, wash after it is enzyme, incubate, washing, finally measure absorbance (OD values) under 450nm wavelength with microplate reader, it is bent to pass through standard People MMP-1, MMP-3 concentration in line computation sample.
The influence that 2. sanshool of table expresses MMP-1 and MMP-3
As shown in Table 2, sanshool can inhibit the expression of MMP-1 and MMP-3, and MMP-1 and MMP-3 are to decompose extracellular base The important enzyme of matter ingredient:Wherein MMP-1 mainly hydrolyzes I, II and type III collagen;MMP-3 hydrolyzes substrate then than wide, including Collagen, proteoglycan and gelatin etc..Therefore inhibit the two activity that can reduce the degradation of extracellular matrix.
Test example 2, sanshool repair the zoopery of light injury
(1) animal photo damage model is established
It first uses scissors and electric shaver to reject mouse back hair, UVB is carried out after fully exposing its skin of back (300mJ/cm2) irradiation mouse, once a day, for three days on end, modeling terminates, and the successful mouse back skin of modeling occurs apparent The erythema scales of skin that peel off changes.
(2) experiment packet
Mouse after modeling successfully totally 20, control group and each 10 of test group.The next day that control group is disregarded, test group A concentration of 2% hydroxyl-alpha-sanshool is administered locally to, is administered 2 weeks altogether.
(3) skin injury situation scoring (score by rules is shown in Table 3) is carried out to mouse back UVB irradiation areas, as a result such as table 4 It is shown:
3. mouse back UVB irradiation area skin injury situation standards of grading of table
The influence that 4. sanshool of table scores to light injury mouse back skin injury situation
As shown in Table 4, dermal photodamage can significantly be mitigated after Chinese pepper extract for treating 4 times.
(4) it draws materials after putting to death mouse, carries out HE dyeing and show that experimental mice epidermal thickness increases, skin corium fiber row Row are neat (Fig. 1).
To sum up, fibroblastic proliferation activity can be improved in sanshool;The expression of MMP-1 and MMP-3 are may also suppress, is reduced The degradation of extracellular matrix;And it can significantly mitigate dermal photodamage symptom;It can be used for preparing the change for repairing dermal photodamage Cosmetic has a vast market application prospect.

Claims (10)

1. sanshool or its isomer or containing its extract prepare prevent and/or treatment dermal photodamage drug or Purposes in cosmetics.
2. purposes according to claim 1, it is characterised in that:The drug or cosmetics are for promoting fibroblast The substance of proliferation.
3. purposes according to claim 1, it is characterised in that:The drug or cosmetics are to inhibit matrix metalloproteinase The substance of MMP-1, MMP-3 expression.
4. purposes according to claim 3, it is characterised in that:The drug or cosmetics are to inhibit extracellular matrix degradation Substance.
5. purposes according to claim 1, it is characterised in that:The drug or cosmetics are to increase epidermal thickness, are improved The substance of skin corium elastomer and arrangement of collagen fibers.
6. according to Claims 1 to 5 any one of them purposes, it is characterised in that:The sanshool be hydroxyl-alpha-sanshool, Hydroxy-beta-sanshool, hydroxyl-γ-sanshool, hydroxyl-δ-sanshool, hydroxyl-ε-sanshool, α-sanshool, β-sanshool, It is one or more in γ-sanshool, δ-sanshool, ε-sanshool, preferably hydroxyl-alpha-sanshool.
7. according to claim 1~6 any one of them purposes, it is characterised in that:The extract containing sanshool is Chinese prickly ash Extract.
8. purposes according to claim 7, it is characterised in that:The pepper extract be remove cellulose and lignin it Substance afterwards.
9. according to claim 1~8 any one of them purposes, it is characterised in that:The dermal photodamage refers to that ultraviolet light is led The skin injury of cause.
10. the external preparation of a kind of prevention and/or treatment dermal photodamage, it is characterised in that:It is sanshool or it is different with dividing Structure is active constituent containing its extract, along with the preparation that acceptable auxiliary material is prepared in drug or cosmetics.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110575413A (en) * 2019-10-24 2019-12-17 山东花物堂生物科技有限公司 Preparation method of pepper extract and application of pepper extract in cosmetics
CN113509457A (en) * 2020-09-07 2021-10-19 四川大学华西医院 Application of sanshool in preparation of medicine for treating eczema
CN115154348A (en) * 2022-07-08 2022-10-11 四川昇嘉科技有限公司 Preparation method of sanshool organic-inorganic hybrid light protection material for inhibiting free radicals
CN115154650A (en) * 2022-07-08 2022-10-11 四川昇嘉科技有限公司 Preparation method and application of amino acid mediated full-natural sanshool functional gel
CN115212169A (en) * 2022-07-08 2022-10-21 四川大学 Method for separating sanshool from pepper and preparing sanshool into nano preparation and application
CN115304508A (en) * 2022-08-08 2022-11-08 四川大学华西医院 Bionic antibacterial antioxidant nano particle based on zanthoxylum bungeanum maxim extract and preparation method and application thereof
CN115444845A (en) * 2022-08-05 2022-12-09 四川大学华西医院 Composition for promoting wound healing and intelligent coating material
CN115466536A (en) * 2022-08-05 2022-12-13 四川大学华西医院 Composition with ultraviolet spectrum shielding effect and light protection coating

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Publication number Priority date Publication date Assignee Title
CN104602668A (en) * 2012-08-07 2015-05-06 J-N·托雷尔 Inhibition of adhesion of pathogenic microorganisms by sucrose stearate and/or sorbitan ester in cosmetic treatment of cutaneous atopy
CN107854355A (en) * 2017-11-18 2018-03-30 上海煓梅生物科技有限公司 A kind of anti-apolexis composition and its preparation method and application

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104602668A (en) * 2012-08-07 2015-05-06 J-N·托雷尔 Inhibition of adhesion of pathogenic microorganisms by sucrose stearate and/or sorbitan ester in cosmetic treatment of cutaneous atopy
CN107854355A (en) * 2017-11-18 2018-03-30 上海煓梅生物科技有限公司 A kind of anti-apolexis composition and its preparation method and application

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110575413A (en) * 2019-10-24 2019-12-17 山东花物堂生物科技有限公司 Preparation method of pepper extract and application of pepper extract in cosmetics
CN113509457A (en) * 2020-09-07 2021-10-19 四川大学华西医院 Application of sanshool in preparation of medicine for treating eczema
CN115154348A (en) * 2022-07-08 2022-10-11 四川昇嘉科技有限公司 Preparation method of sanshool organic-inorganic hybrid light protection material for inhibiting free radicals
CN115154650A (en) * 2022-07-08 2022-10-11 四川昇嘉科技有限公司 Preparation method and application of amino acid mediated full-natural sanshool functional gel
CN115212169A (en) * 2022-07-08 2022-10-21 四川大学 Method for separating sanshool from pepper and preparing sanshool into nano preparation and application
CN115212169B (en) * 2022-07-08 2023-06-13 四川大学 Method for separating sanshool from fructus Zanthoxyli and preparing nanometer preparation from sanshool and application thereof
CN115154348B (en) * 2022-07-08 2023-08-22 四川昇嘉科技有限公司 Preparation method of sanshool organic-inorganic hybrid photoprotective material for inhibiting free radicals
CN115444845A (en) * 2022-08-05 2022-12-09 四川大学华西医院 Composition for promoting wound healing and intelligent coating material
CN115466536A (en) * 2022-08-05 2022-12-13 四川大学华西医院 Composition with ultraviolet spectrum shielding effect and light protection coating
CN115466536B (en) * 2022-08-05 2023-09-19 四川大学华西医院 Composition with ultraviolet spectrum shielding effect and light protection coating
CN115304508A (en) * 2022-08-08 2022-11-08 四川大学华西医院 Bionic antibacterial antioxidant nano particle based on zanthoxylum bungeanum maxim extract and preparation method and application thereof
CN115304508B (en) * 2022-08-08 2023-07-25 四川大学华西医院 Bionic antibacterial and antioxidant nanoparticle based on pricklyash peel extract, and preparation method and application thereof

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