CN104987319B - Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes - Google Patents

Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes Download PDF

Info

Publication number
CN104987319B
CN104987319B CN201510205871.1A CN201510205871A CN104987319B CN 104987319 B CN104987319 B CN 104987319B CN 201510205871 A CN201510205871 A CN 201510205871A CN 104987319 B CN104987319 B CN 104987319B
Authority
CN
China
Prior art keywords
depsidcs
preparation
compound
culture
compounds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510205871.1A
Other languages
Chinese (zh)
Other versions
CN104987319A (en
Inventor
佘志刚
陈森华
刘昭明
刘亚月
谭春兵
陆勇军
何磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sun Yat Sen University
Original Assignee
Sun Yat Sen University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Yat Sen University filed Critical Sun Yat Sen University
Priority to CN201510205871.1A priority Critical patent/CN104987319B/en
Publication of CN104987319A publication Critical patent/CN104987319A/en
Application granted granted Critical
Publication of CN104987319B publication Critical patent/CN104987319B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D321/00Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
    • C07D321/02Seven-membered rings
    • C07D321/10Seven-membered rings condensed with carbocyclic rings or ring systems
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P17/00Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
    • C12P17/02Oxygen as only ring hetero atoms
    • C12P17/08Oxygen as only ring hetero atoms containing a hetero ring of at least seven ring members, e.g. zearalenone, macrolide aglycons

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

The invention belongs to the field of medicinal compounds, and concretely discloses marine fungus-derived depside compounds and an application thereof in treatment of type 2 diabetes. The structure of the depside compounds is represented by formula (I). The compounds 1-6 can substantially inhibit the activity of alpha-glucosidase, the IC50 value of the compound 1 is 10.4[mu]M, the IC50 value of the compound 2 is 13.3[mu]M, the IC50 value of the compound 3 is 2.1[mu]M, the IC50 value of the compound 4 is 12.4[mu]M, the IC50 value of the compound 5 is 9.8[mu]M, and the IC50 value of the compound 6 is 11.7[mu]M, wherein the IC50 value of positive control acarbose is 553.7[mu]M. Kinetic researches of the alpha-glucosidaseinhibition effect show that the compounds 1, 3 and 5 are noncompetitive inhibitors. The compounds can be used for preparing alpha-glucosidase inhibitor medicines in order to prevent and treat the type 2 diabetes.

Description

Depsidcs and its treat type ii diabetes that one class marine fungi is originated Using
Technical field
The present invention relates to medical compoundss field, and in particular to the medical compoundss in marine fungi source, more specifically, relating to And one class marine fungi source depsidcs and its treatment type ii diabetes application.
Background technology
At present, the type ii diabetes number of patients in global range is more than 3.7 hundred million people, and the number of patient is also fast Speed increases.The growth is reduced and other with economic development, aged tendency of population, increasingly urbanization, dietary habit change, physical exertion Living-pattern preservation is relevant.Thus, type ii diabetes are considered as that 21 century world community public health security is most severe One of challenge.In type ii diabetes, body can produce insulin, but because of insulin secretion relative deficiency or effect defect (also referred to as insulin resistant), causes blood glucose rise.And alpha-glucosidase is a kind of important for the treatment of early stage type ii diabetes Target.It is that a class can be from the total of the alpha-glucose-based enzyme of the non-reducing end catalyzing hydrolysis containing phlorose glycosidic bond substrate Claim.Alpha-glucosidase is distributed widely in organism, participates in food digestion, the biosynthesiss of glycoprotein, and polysaccharide and sugar are compound Many bioprocesss such as the synthesis of thing and catabolism.Alpha-glucosidase inhibitor is a class to delay intestinal carbohydrate Absorb and reach the oral antidiabetic drug for the treatment of diabetes, its action principle is:Competitive inhibition is located at the various α-Fructus Vitis viniferaes of small intestinal Glycosidase, slows down the speed for being decomposed into glucose, so as to slow down the absorption of glucose in intestinal, improves the height of post-prandial glycemia Peak.Research confirms that alpha-glucosidase inhibitor can prevent and treat post prandial hyperglycemia and alleviate hyperinsulinemia, while can be with Improve carbohydrate tolerance.Currently, the alpha-glucosidase inhibitor of clinical application mainly has Acarbose and voglibose.In order to keep away Exempt from or reduce the adverse side effect or drug resistance of current medical, while providing more drug candidates, therefore find new α-Fructus Vitis viniferae Glycosidase inhibitor and to develop into medicine be very necessary.
The content of the invention
Present invention aims to the defect that at present type ii diabetes medicine is present, there is provided a class marine fungi The depsidcs in source.
It is a further object to provide the preparation method of the depsidcs in class marine fungi source.
The depsidcs for being to provide class marine fungi source in a purpose of the present invention are preparing treatment II Application in patients with type Ⅰ DM medicine.
To achieve these goals, the present invention is achieved by the following technical programs:
The depsidcs in one class marine fungi source, its structural formula is as shown in formula I:
The depsidcs 1-6 are to separate to obtain from the fermentation liquid of marine fungi Meyerozyma sp.HZ-Y2 ;The marine fungi Meyerozyma sp.HZ-Y2 were deposited in China typical culture collection on April 6th, 2015 The heart, preservation address is Wuhan University of Wuhan, China city, and deposit number is CCTCC NO:M 2015203.
Preferably, the preparation method of above-mentioned depsidcs is as follows:
S1. by marine fungi Meyerozyma sp.HZ-Y2Seed culture medium is accessed, shaking table culture obtains seed culture Liquid;
S2. seed culture fluid is accessed in fermentation medium, quiescent culture;
S3. tunning is filtrated to get into thalline, thalline is soaked with methanol, concentrating under reduced pressure, obtains extractum, then Jing chromatographies point From obtaining depsidcs 1-6.
Used as a kind of preferred version, in above-mentioned preparation method, the component of seed culture medium described in step S1 is:Rhizoma Solani tuber osi 200g, glucose 20g, water 1L.
Used as a kind of preferred version, in above-mentioned preparation method, the component of fermentation medium described in step S2 is:Northeast rice 7000g, sea salt 210g, water 7L.
Used as a kind of preferred version, in above-mentioned preparation method, shaking table culture condition is described in step S1:Rotating speed 200rpm, 28 DEG C of temperature, incubation time 72h.
Used as a kind of preferred version, in above-mentioned preparation method, quiescent culture temperature described in step S2 is 25 DEG C, incubation time For 28 days.
Used as a kind of preferred version, in above-mentioned preparation method, extractum is separated with silica gel column chromatography described in step S3, point From the ethyl acetate/petroleum ether gradient elution with 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 100%.
During extractum Jing chromatography, the 6th component is chromatographed using polydextran gel Sephadex LH-20, is 1 with volume ratio: 1 methanol-chloroform carries out eluting for eluant, then with silica gel column layer, 25% ethyl acetate-light petrol is eluant, is changed Compound 2 and 6.8th component using polydextran gel Sephadex LH-20 chromatograph, with volume ratio be methanol be that eluant is washed It is de-, then with silica gel column layer, 30% ethyl acetate-light petrol is eluant, obtains compound 3 and 4.15th component adopts glucosan Gel Sephadex LH-20 are chromatographed, and are 1 with volume ratio:1 methanol-chloroform carries out eluting for eluant, then is prepared with half anti- Phase high performance liquid chromatography prepares compound 1 and 5.
The depsidcs 1-6 of the present invention has inhibitory action to alpha-glucosidase, can be used to prepare phlorose Glycosides enzyme inhibitor medicine, treats type ii diabetes.Therefore, claimed depsidcs 1-6 is preparing treatment Application in type ii diabetes medicine.In addition, the present invention also protects depsidcs 1-6 preparing alpha-glucosidase suppression Application in preparation.
Compared with prior art, the present invention has the advantages that:
The present invention is separated from the root of Guangdong Huizhou marine site Kandelia candel mangrove and obtains a fungal strain Meyerozyma sp.HZ-Y2, and first separation obtains a class depsidcs 1-6 from the fermentation liquid of the bacterial strain, these compounds have Alpha-glucosidase activity is significantly inhibited, alpha-glucosidase inhibitor medicament is being prepared, is had in treatment type ii diabetes good Good market prospect.In addition, the depsidcs 1-6 of the present invention derive from marine fungi, from funguses detached side is extracted Method is simple, with low cost.
Description of the drawings
Fig. 1 is double inverse enzymatic kinetic curves of the alpha-glucosaccharase enzyme inhibition of compound 1.
Fig. 2 is double inverse enzymatic kinetic curves of the alpha-glucosaccharase enzyme inhibition of compound 3.
Fig. 3 is double inverse enzymatic kinetic curves of the alpha-glucosaccharase enzyme inhibition of compound 5.
Specific embodiment
The present invention is made with reference to Figure of description and specific embodiment further being elaborated, the embodiment It is served only for explaining the present invention, is not intended to limit the scope of the present invention.Test method used in following embodiments is such as without spy Different explanation, is conventional method;Material, reagent for being used etc., are the reagent for commercially obtaining if no special instructions And material.
Embodiment 1
Marine fungi Meyerozyma sp.HZ-Y of the present invention2It is the root portion from Guangdong Huizhou marine site Kandelia candel mangrove From obtaining, separation method refers to this area conventional separation methods.By marine fungi Meyerozyma sp.HZ-Y after separation2In On April 6th, 2015 is deposited in China typical culture collection center, and preservation address is Wuhan University of Wuhan, China city, and preservation is compiled Number be CCTCC NO:M 2015203.
From marine fungi Meyerozyma sp.HZ-Y2Fermentation liquid in separate and obtain depsidcs, concrete step It is rapid as follows:
S1. seed culture:
S11. seed culture medium is prepared:Rhizoma Solani tuber osi 200g, glucose 20g, tap water 1L, average mark is loaded on 5 500mL cones Shape bottle, 121 DEG C go out 30 minutes.
S12. the culture of seed:By marine fungi Meyerozyma sp.HZ-Y2Bacterial strain access seed culture medium, 28 At a temperature of DEG C, put with the rotating speed of 200rpm on shaking table, culture obtains seed culture fluid in 72 hours.
S2. fermentation culture:
S21. fermentation medium is prepared:Northeast rice 7000g, sea salt 210g, tap water 7L, 121 DEG C go out 30 minutes.
S22. fermentation culture:Sterile working accesses seed liquor 5mL in the conical flask equipped with fermentation medium, quiet in 25 DEG C Put culture 28 days.
S3. extract and separate:
Fermented product is soaked with methanol, and soak concentrating under reduced pressure at less than 50 DEG C obtains extractum 12.2g.Extractum Jing silicagel columns Chromatography separated, respectively with 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 100% ethyl acetate-stone Oily ether gradient elution, is divided into 30 components.Wherein the 6th component is chromatographed using polydextran gel Sephadex LH-20, uses volume ratio For 1:1 methanol-chloroform carries out eluting for eluant, then with silica gel column layer, 25% ethyl acetate-light petrol is eluant, is obtained Obtain compound 2 and 6.8th component using polydextran gel Sephadex LH-20 chromatograph, with volume ratio be methanol be that eluant enters Row eluting, then with silica gel column layer, 30% ethyl acetate-light petrol is eluant, obtains compound 3 and 4.15th component adopts Portugal Polysaccharide gel Sephadex LH-20 are chromatographed, and are 1 with volume ratio:1 methanol-chloroform carries out eluting for eluant, then is made with half Standby reversed-phase high-performance liquid chromatography prepares compound 1 and 5.
Embodiment 2
Structural analyses test is carried out to the compound in embodiment 1, following physicochemical property data is obtained:
Compound 1:Pale yellow powder, 146-147 DEG C of fusing point (thermometer is not corrected), EI-MS (m/z):288[M]+
Compound 2:Faint yellow acicular crystal, 165-166 DEG C of fusing point (thermometer is not corrected), EI-MS (m/z):300[M ]+
Compound 3:White powder, 147-148 DEG C of fusing point (thermometer is not corrected), EI-MS (m/z):302[M]+
Compound 4:Pale yellow powder, 143-144 DEG C of fusing point (thermometer is not corrected), EI-MS (m/z):316[M]+
Compound 5:Pale yellow oil, EI-MS (m/z):302[M]+
Compound 6:Faint yellow acicular crystal, 169-170 DEG C of fusing point (thermometer is not corrected), EI-MS (m/z):314[M ]+
The NMR data of compound 1-3 is shown in Table the NMR data of Isosorbide-5-Nitrae-5 and is shown in Table 2.
The NMR data (100MHz/400MHz, TMS, ppm) of the compound 1-3 of table 1
The NMR data (100MHz/400MHz, TMS, ppm) of the compound 4-6 of table 2
According to data above, learn the structural formula of compound 1-6 as shown in formula I:
Embodiment 3
Alpha-glucosidase Inhibition test is carried out to the compound 1-6 in embodiment 1:
Adopt paranitrophenol-alpha-glucosaccharase (pNPG) for substrate, enter in 0.01M phosphate buffers (pH=7.0) OK.PNPG is paranitrophenol by alpha-glucosidase enzymolysis, is measured at 400nm wavelength with ultraviolet-visible spectrophotometer The change of its absorbance and calculate the activity of enzyme.Sample and positive control (Acarbose) are made into DMSO solution and (are 10 μ Mol/mL), enzyme and substrate 0.01M phosphate buffers are made into suitable concentration solution, and 1mL primary response systems include 0.1unit Enzyme, 20 μ L substrates, 20 μ L DMSO.Appropriate enzyme liquid is taken, the DMSO solution of blank DMSO solution or sample is added, is mixed, 37 DEG C Under, constant temperature 20 minutes adds substrate, mixes, and detects the changing value of the absorbance of system in 1min at 400nm wavelength immediately. Enzymatic activity is calculated with equation below:Suppression ratio (%)=[(B-S)/B] × 100%, wherein B is extinction when adding blank DMSO Degree changing value, S is the absorbance change value of sample.The sample of 5 concentration is determined, dosage-suppression ratio curve is drawn, it is drawn IC50Value.Each sample is repeated three times, and is as a result represented with meansigma methodss ± standard deviation.
As a result measuring compound 1-6 can significantly inhibit the activity of alpha-glucosidase, its IC50Value is respectively 10.4 μM, 13.3 μM, 2.1 μM, 12.4 μM, 9.8 μM and 11.7 μM, the wherein IC of positive control Acarbose50For 553.7 μM.In addition 3 groups As shown in Figures 1 to 3, response speed Vmax diminishes suppression double reciprocal curve under inhibitor concentration with inhibitor concentration increase, And the Michaelis constant (Km) of alpha-glucosidase keeps constant under different inhibitor concentration, double reciprocal curve meets at abscissa On, it is typical Noncompetition inhibition kinetic curve.Therefore, compound 1,3 and 5 is all noncompetitive inhibitor.

Claims (6)

1. a class marine fungi source depsidcs preparation method, it is characterised in that depsidcs 1-6 Structural formula such as formula(Ⅰ)It is shown:
Formula(Ⅰ)Depsidcs 1-6;
Depsidcs 1-6 are to separate to obtain from the fermentation liquid of marine fungi Meyerozyma sp.HZ-Y2;Institute State marine fungi Meyerozyma sp.HZ-Y2 and be deposited in China typical culture collection center, preservation on April 6th, 2015 Address is Wuhan University of Wuhan, China city, and deposit number is CCTCC NO:M 2015203;
The preparation method of the depsidcs comprises the steps:
S1. by marine fungi Meyerozymasp.HZ-Y2Seed culture medium is accessed, shaking table culture obtains seed culture fluid;
S2. seed culture fluid is accessed in fermentation medium, quiescent culture;
S3. tunning is filtrated to get into thalline, thalline is soaked with methanol, and concentrating under reduced pressure obtains extractum, then Jing chromatography, Obtain depsidcs 1-6.
2. preparation method according to claim 1, it is characterised in that the component of the seed culture medium is:Rhizoma Solani tuber osi 200g, glucose 20g, water 1L.
3. preparation method according to claim 1, it is characterised in that the component of the fermentation medium is:Northeast rice 7000g, sea salt 210g, water 7L.
4. preparation method according to claim 1, it is characterised in that shaking table culture condition is described in step S1:Rotating speed 200rpm, 28 DEG C of temperature, incubation time 72h.
5. preparation method according to claim 1, it is characterised in that quiescent culture temperature described in step S2 is 25 DEG C, training The foster time is 28 days.
6. preparation method according to claim 1, it is characterised in that the silica gel column chromatography of extractum described in step S3 is carried out point From, separate with 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 100% ethyl acetate/petroleum ether gradient elution.
CN201510205871.1A 2015-04-27 2015-04-27 Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes Active CN104987319B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510205871.1A CN104987319B (en) 2015-04-27 2015-04-27 Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510205871.1A CN104987319B (en) 2015-04-27 2015-04-27 Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes

Publications (2)

Publication Number Publication Date
CN104987319A CN104987319A (en) 2015-10-21
CN104987319B true CN104987319B (en) 2017-05-17

Family

ID=54299240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510205871.1A Active CN104987319B (en) 2015-04-27 2015-04-27 Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes

Country Status (1)

Country Link
CN (1) CN104987319B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108925565B (en) * 2018-06-20 2021-05-07 广东海洋大学深圳研究院 Application of depside cyclic ether compound
CN108640841B (en) * 2018-06-20 2021-04-02 广东海洋大学 Depside cyclic ether compound and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008144982A1 (en) * 2007-05-29 2008-12-04 Shanghai Institute Of Materia Medica, Chinese Academy Of Sciences Compounds with 7-member cycle and the pharmaceutical use thereof for preventing and treating diabetes and metabolism syndrome
CN101376655A (en) * 2008-10-11 2009-03-04 中国海洋大学 Penicillazine derivative, and preparation and use thereof
EP2230235A1 (en) * 2009-03-17 2010-09-22 Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie e.V. -Hans-Knöll-Institut- (HKI) Botryosphaerones, novel depsidones and their use as medicaments

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008144982A1 (en) * 2007-05-29 2008-12-04 Shanghai Institute Of Materia Medica, Chinese Academy Of Sciences Compounds with 7-member cycle and the pharmaceutical use thereof for preventing and treating diabetes and metabolism syndrome
CN101376655A (en) * 2008-10-11 2009-03-04 中国海洋大学 Penicillazine derivative, and preparation and use thereof
EP2230235A1 (en) * 2009-03-17 2010-09-22 Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie e.V. -Hans-Knöll-Institut- (HKI) Botryosphaerones, novel depsidones and their use as medicaments

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Botryorhodines A–D, antifungal and cytotoxic depsidones from Botryosphaeria rhodina, an endophyte of the medicinal plant Bidens pilosa;Randa Abdou et al.;《Phytochemistry》;20091111;第71卷;第110-116页 *
Metabolites from the Lichen Genus Psoroma;John A. Elix et al.;《Aust. J. Chem》;19821231;第35卷;第2325-2333页 *
New Depsidones from the Lichen Genus Erioderma;John A. Elix et al.;《Aust. J. Chem.》;19861231;第39卷;第719-722页 *

Also Published As

Publication number Publication date
CN104987319A (en) 2015-10-21

Similar Documents

Publication Publication Date Title
CN108546306B (en) Cordyceps militaris culture medium polysaccharide, and separation and purification method and application thereof
CN104987316A (en) Marine fungus-derived polyketone compound and application thereof in treatment of type 2 diabetes
CN109970538A (en) The Dimeric sesquiterpene compound in a kind of marine fungi source and preparation method thereof and application in preparing anti-inflammatory drugs
CN103694209B (en) The acetophenone compounds in one class thalassiomycetes source and preparation method thereof and application
CN104987319B (en) Marine fungus-derived depside compounds and application thereof in treatment of type 2 diabetes
CN103880826B (en) A kind of isobenzofuran ketonic compound and its preparation method and application
CN102250170B (en) Preparation method and application of two active flavonoid glycosides in okra fruits
CN106188084B (en) The naphthalene Spiroketals class compound in marine fungi source and its preparation method and application
CN108315264A (en) A kind of polyketide in sea paint endogenetic fungus source and its application in preparing anti-inflammatory drug
CN104311526B (en) The dinaphthalene analog derivative in thalassiomycetes source and preparation method thereof and the application in tuberculosis
CN104311525A (en) Use of marine fungus-derived Azaphilone compound in preparation of antituberculosis drugs
CN103113489B (en) Method of purifying polysaccharide of Xinjiang jun dates
CN106636252B (en) Wizened bacterium exopolysaccharide and its preparation method and application
CN106138130B (en) Mango seed flavone extract and preparation method thereof
CN108383824B (en) Benzopyrone dimer and extraction method and application thereof
CN108948038B (en) Neopteridine flavonoid compound and application thereof
CN100509963C (en) Method for preparing natural anthraquinone pigments using bamboo parasitic fungus fermentation
CN109096056B (en) Bisabolane sesquiterpenoids from mangrove endophytic fungi, preparation method and application in anti-type II diabetes drugs
CN109810113A (en) A kind of alkaloid compound and the preparation method and application thereof
CN116121319A (en) Extracellular polysaccharide and preparation method and application thereof
CN108276467A (en) A kind of Tea Saponin and its extraction process and application
CN108079025A (en) Application of the undaria pinnitafida extract in alpha-glucosidase restrainer is prepared
CN106119313A (en) A kind of liquid fermentation method of phellinus igniarius mycelium
CN106565444A (en) Extraction method and application of phenanthrene compounds from overground part of Chinese yam
CN104230938A (en) Marine fungus-derived piperazine derivative and application of derivative in preparation of antituberculosis drugs

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant