CN118001262A - Application of patrinia villosa anthracenol I in preparation of medicine for preventing and treating type 2 diabetes or hypoglycemic health-care food and medicine - Google Patents
Application of patrinia villosa anthracenol I in preparation of medicine for preventing and treating type 2 diabetes or hypoglycemic health-care food and medicine Download PDFInfo
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- CN118001262A CN118001262A CN202410094337.7A CN202410094337A CN118001262A CN 118001262 A CN118001262 A CN 118001262A CN 202410094337 A CN202410094337 A CN 202410094337A CN 118001262 A CN118001262 A CN 118001262A
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- patrinia villosa
- methanol
- dichloromethane
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- 235000019109 Patrinia villosa Nutrition 0.000 title claims abstract description 44
- 244000148137 Patrinia villosa Species 0.000 title claims abstract description 39
- 239000003814 drug Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 208000001072 type 2 diabetes mellitus Diseases 0.000 title claims abstract description 8
- MUVQKFGNPGZBII-UHFFFAOYSA-N 1-anthrol Chemical compound C1=CC=C2C=C3C(O)=CC=CC3=CC2=C1 MUVQKFGNPGZBII-UHFFFAOYSA-N 0.000 title claims description 18
- 235000013305 food Nutrition 0.000 title claims description 8
- 230000002218 hypoglycaemic effect Effects 0.000 title description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract description 10
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008280 blood Substances 0.000 claims abstract description 10
- 210000004369 blood Anatomy 0.000 claims abstract description 10
- 238000004440 column chromatography Methods 0.000 claims abstract description 10
- 238000010828 elution Methods 0.000 claims abstract description 7
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000284 extract Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract description 5
- XELZGAJCZANUQH-UHFFFAOYSA-N methyl 1-acetylthieno[3,2-c]pyrazole-5-carboxylate Chemical compound CC(=O)N1N=CC2=C1C=C(C(=O)OC)S2 XELZGAJCZANUQH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003208 petroleum Substances 0.000 claims abstract description 5
- 238000002953 preparative HPLC Methods 0.000 claims abstract description 5
- 238000010898 silica gel chromatography Methods 0.000 claims abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- WGLUMOCWFMKWIL-UHFFFAOYSA-N dichloromethane;methanol Chemical compound OC.ClCCl WGLUMOCWFMKWIL-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 102100024295 Maltase-glucoamylase Human genes 0.000 abstract description 11
- 108010028144 alpha-Glucosidases Proteins 0.000 abstract description 11
- 239000003472 antidiabetic agent Substances 0.000 abstract description 2
- 235000013402 health food Nutrition 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 abstract 1
- 241000606264 Patrinia Species 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 229940125904 compound 1 Drugs 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 239000008103 glucose Substances 0.000 description 5
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- XUFXOAAUWZOOIT-SXARVLRPSA-N (2R,3R,4R,5S,6R)-5-[[(2R,3R,4R,5S,6R)-5-[[(2R,3R,4S,5S,6R)-3,4-dihydroxy-6-methyl-5-[[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)-1-cyclohex-2-enyl]amino]-2-oxanyl]oxy]-3,4-dihydroxy-6-(hydroxymethyl)-2-oxanyl]oxy]-6-(hydroxymethyl)oxane-2,3,4-triol Chemical compound O([C@H]1O[C@H](CO)[C@H]([C@@H]([C@H]1O)O)O[C@H]1O[C@@H]([C@H]([C@H](O)[C@H]1O)N[C@@H]1[C@@H]([C@@H](O)[C@H](O)C(CO)=C1)O)C)[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]1O XUFXOAAUWZOOIT-SXARVLRPSA-N 0.000 description 3
- 108010024636 Glutathione Proteins 0.000 description 3
- 229960002632 acarbose Drugs 0.000 description 3
- XUFXOAAUWZOOIT-UHFFFAOYSA-N acarviostatin I01 Natural products OC1C(O)C(NC2C(C(O)C(O)C(CO)=C2)O)C(C)OC1OC(C(C1O)O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O XUFXOAAUWZOOIT-UHFFFAOYSA-N 0.000 description 3
- -1 anthracenyl alcohol Chemical compound 0.000 description 3
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 3
- RWSXRVCMGQZWBV-WDSKDSINSA-N glutathione Chemical compound OC(=O)[C@@H](N)CCC(=O)N[C@@H](CS)C(=O)NCC(O)=O RWSXRVCMGQZWBV-WDSKDSINSA-N 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IFBHRQDFSNCLOZ-IIRVCBMXSA-N 4-nitrophenyl-α-d-galactoside Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC1=CC=C([N+]([O-])=O)C=C1 IFBHRQDFSNCLOZ-IIRVCBMXSA-N 0.000 description 2
- 229940077274 Alpha glucosidase inhibitor Drugs 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003888 alpha glucosidase inhibitor Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005100 correlation spectroscopy Methods 0.000 description 2
- 238000003919 heteronuclear multiple bond coherence Methods 0.000 description 2
- 238000001052 heteronuclear multiple bond coherence spectrum Methods 0.000 description 2
- 238000005570 heteronuclear single quantum coherence Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000013641 positive control Substances 0.000 description 2
- 239000008057 potassium phosphate buffer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005084 2D-nuclear magnetic resonance Methods 0.000 description 1
- XMIIGOLPHOKFCH-UHFFFAOYSA-N 3-phenylpropionic acid Chemical compound OC(=O)CCC1=CC=CC=C1 XMIIGOLPHOKFCH-UHFFFAOYSA-N 0.000 description 1
- 206010003011 Appendicitis Diseases 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 102000004366 Glucosidases Human genes 0.000 description 1
- 108010056771 Glucosidases Proteins 0.000 description 1
- 208000013016 Hypoglycemia Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005577 anthracene group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 231100001011 cardiovascular lesion Toxicity 0.000 description 1
- 235000012730 carminic acid Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 206010009887 colitis Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 1
- 238000000119 electrospray ionisation mass spectrum Methods 0.000 description 1
- 239000000469 ethanolic extract Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930003935 flavonoid Natural products 0.000 description 1
- 150000002215 flavonoids Chemical class 0.000 description 1
- 235000017173 flavonoids Nutrition 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 238000000990 heteronuclear single quantum coherence spectrum Methods 0.000 description 1
- 201000001421 hyperglycemia Diseases 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003914 insulin secretion Effects 0.000 description 1
- 210000004347 intestinal mucosa Anatomy 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003285 pharmacodynamic effect Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 235000017709 saponins Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 206010044008 tonsillitis Diseases 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/075—Ethers or acetals
- A61K31/085—Ethers or acetals having an ether linkage to aromatic ring nuclear carbon
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/38—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Diabetes (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Polymers & Plastics (AREA)
- Nutrition Science (AREA)
- Mycology (AREA)
- Emergency Medicine (AREA)
- Endocrinology (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Botany (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention relates to application of patrinia villosa L in preparing a medicament for preventing and treating type 2 diabetes or a blood sugar-reducing health food and medicament, wherein the patrinia villosa L whole herb is crushed, then is subjected to ethanol reflux extraction, and is subjected to reduced pressure concentration to obtain extract; sequentially extracting with petroleum ether, dichloromethane and n-butanol with equal volume; separating the dichloromethane layer by silica gel column chromatography to obtain 10 components Fr.1-Fr.10; wherein Fr.5 is further separated by ODS column chromatography, and Fr.5-1 to Fr.5-5 total 5 components are obtained by methanol-water gradient elution; wherein Fr.5-4 is separated by Sephadex LH-20 column chromatography, and purified by semi-preparative high performance liquid chromatography to obtain patrinia villosa Anthracene alcohol I. The extraction method of the patrinia villosa alcohol I is simple, is suitable for large-scale production, can inhibit alpha-glucosidase, and can be applied to preparation of hypoglycemic drugs.
Description
The application relates to a method for preparing patrinia candidum anthracenol I and application thereof, which are filed as application number 202111333951.7, application date 2021, 11-month and 11-date.
Technical Field
The invention belongs to the technical field of medicines, and in particular relates to application of patrinia villosa anthracenol I in preparation of a medicine for preventing and treating type 2 diabetes or a blood sugar-reducing health food and a medicine.
Background
Herba Patriniae, also known as lovely cabbage, carmine, bitter, etc., is a dried whole herb of Juss, patrinia villosa Patrinia villosa (thunder.) belonging to the genus Patrinia, and is widely distributed in eastern asia and north america. Patrinia villosa is a perennial herb and was originally described in Shennong Ben Cao Jing. It is bitter in taste, cold in nature and nontoxic. In folk, patrinia villosa is also eaten as a wild vegetable, and belongs to a long-history medicine and food homologous plant. Herba Patriniae as a herbal medicine has long history of medicinal use, has the effects of removing blood stasis, relieving swelling, promoting blood circulation and expelling pus, and is mainly used for treating appendicitis, dysentery, hepatitis, tonsillitis, colitis and the like. Modern researches have shown that patrinia villosa is rich in various bioactive components such as phenylpropionic acid, flavonoid, terpenoid, saponins and the like, and has various pharmacological activities.
The patrinia villosa alcohol I is separated from the patrinia villosa Patrinia villosa (thunder.) Juss.70% ethanol extract by various chromatographic methods, and the early-stage pharmacodynamic research shows that the patrinia villosa alcohol I can inhibit alpha-glucosidase and reduce blood sugar concentration, and has a good effect on preventing and treating type 2 diabetes.
Disclosure of Invention
The invention aims to provide an application of patrinia villosa anthracenol I in preparing a medicine for preventing and treating type 2 diabetes or a blood sugar-reducing health-care food and a medicine.
The technical scheme of the invention is summarized as follows:
the application of patrinia villosa anthracenol I in preparing the medicine for preventing and treating type 2 diabetes is shown in the structural formula (I):
The preparation method of patrinia villosa anthracenol I comprises the following steps:
(1) Extracting: pulverizing the dried herba Patriniae, reflux-extracting with 70% ethanol 6 times of volume for 3 times, each for 2 hr. Mixing the extractive solutions, drying, and concentrating under reduced pressure to obtain extract.
(2) Separating: after an appropriate amount of distilled water fully dissolves the extractum, the extractum is sequentially extracted by petroleum ether, dichloromethane and n-butanol with equal volumes. Separating the dichloromethane layer by silica gel column chromatography, and gradient eluting with dichloromethane-methanol (100:1→1:1) to obtain Fr.1-Fr.10 total 10 components. Wherein Fr.5 is further separated by ODS column chromatography, and Fr.5-1 to Fr.5-5 total 5 components are obtained by gradient elution of methanol-water (10% -100%). Wherein Fr.5-4 is separated by Sephadex LH-20 column chromatography, and purified by semi-preparative high performance liquid chromatography with 70% methanol to obtain patrinia villosa Anthracene alcohol I.
The invention also provides application of patrinia villosa anthracenyl alcohol I in preparing an alpha-glucosidase inhibitor.
The invention also provides application of the patrinia villosa anthracenol I in preparing health-care food or medicine for reducing blood sugar.
Patrinia villosa anthracenol I is a yellow solid (methanol). High resolution electrospray ionization mass spectrum HR-ESI-MS (FIG. 6) showed an excimer ion peak at m/z 451.2854[ m-H ] - (calculated C 29H39O4,m/z 451.2852[m-H]-), suggesting compound 1 has a molecular formula of C 29H40O4.
1 The H-NMR and 13 C-NMR data are shown in Table 1.
TABLE 1 data of 13 C-NMR and 1 H-NMR spectra of Compound 1 (DMSO-d6,δin ppm)Table 1 13C-NMR and 1H-NMR data of Compound 1in DMSO-d6(δin ppm)
Structural analysis of patrinia villosa anthracenol I:
As shown in FIGS. 1-6, the 1H NMR、13 C NMR, 2D-NMR (HSQC, HMBC) spectra, and the HR-ESI-MS spectra of patrinia villosa-nol I gave knowledge of the compound structure. Specifically:
Compound 1 was a yellow solid (methanol). High resolution electrospray ionization mass spectrometry (HR-ESI-MS) showed an excimer ion peak (calculated C 29H39O4,m/z451.2852[m-H]-) at m/z 451.2854[ m-H ] -, suggesting that compound 1 has the formula C 29H40O4. 1H-NMR、13 C-NMR and HSQC spectral data of Compound 1 showed the presence of 29 carbon signals, including 1 methyl group (δ C 13.8.8), 1 methoxy group (δ C 49.6), 13 methylene groups (δ C 35.0.0, 25.0, 29.0, 28.9, 28.8, 28.7, 28.6, 28.5, 28.4, 31.2 and 22.0), 5 aromatic methyl groups (δ C 116.5, 127.9, 119.3, 128.8 and 128.6), 9 aromatic quaternary carbons (δ C 152.9,121.8,166.5,131.3,130.5,154.7,133.1,161.0 and 134.6). 1 H-NMR spectra of compound 1 showed that delta H 7.61.61 (1H, dd, j=1.2, 7.8hz, H-2), 7.40 (1H, dd, j=7.8, 7.8hz, H-3) and 7.30 (1H, dd, j=1.2, 7.8hz, H-4) suggested the presence of an ABC coupling system in the structure; δ H 7.78 (1 h, dd, j=1.2, 7.8hz, h-8) and 7.58 (1 h, d, j=7.8 hz, h-9) suggest the presence of an ortho-coupled system on the benzene ring. In the 13 C-NMR spectrum of compound 1, the carbon signal is mainly concentrated in two regions, namely the fatty carbon signal feature region in the high field region and the aromatic carbon signal feature region in the low field region, wherein the carbon signal in the high field region indicates that a chain aliphatic hydrocarbon structure may be present in the compound. In the high field of 13 C-NMR, 9 carbon signals δC 29.0(C-3')、28.9(C-4')、28.8(C-5')、28.7(C-6')、28.7(C-7')、28.6(C-8')、28.5(C-9')、28.5(C-10')、28.4(C-11'), appear at similar chemical shifts, and the hydrogen signals related to the carbon signals overlap each other to form a high-response hydrogen signal peak, which indicates that the hydrogen atoms connected to the 9 carbon atoms are all in a very similar chemical environment, indicating that the chain structure of- (CH 2)9) -exists in the compound.
In HMBC spectra, delta H.78 (1H, dd, J=1.2, 7.8Hz, H-8) correlates with delta C.130.5 (C-10), 133.1 (C-12), 166.6 (C-6), delta H 7.61 (1H, dd, J=1.2, 7.8Hz, H-2) and delta C.128.8 (C-8), 133.1 (C-12) correlates, delta H 7.58 (1H, d, J=7.8 Hz, H-9) and delta C.3 (C-7) correlates with delta H.40 (1H, dd, J=7.8, 7.8Hz, H-3) and delta C.121.8 (C-5), 152.9 (C-1) correlates with delta H.30 (1H, dd, J=1.2, 7.8Hz, H-4) and delta 134.28 (C-5) to aid the position of the anthracene nucleus (C-14) and the appended ring (C-116) correlates with the data. The correlation of δ H 4.29.29 (3H, s, -OMe) and δ C 154.7.7 (C-11) indicates the position of the methoxy substituent. By combining the above information, the molecular structure of the compound can be determined and is named as 8-methoxy-7-n-tetradecyl-1, 9, 10-anthracenetriol. No report was found by literature search, and the novel compound was identified. The important 1H-1 H COSY and HMBC associations of this compound are shown in FIGS. 4 and 5, and the signal assignments of 13 C-NMR and 1 H-NMR are shown in Table 1.
The invention has the beneficial effects that:
the research proves that the extraction method of the patrinia candidum alcohol I is simple, is suitable for large-scale production, can inhibit alpha-glucosidase, and can be applied to preparing hypoglycemic drugs.
Drawings
FIG. 1 1 H NMR spectrum of patrinia candidum I;
FIG. 2 13 C NMR spectrum of patrinia candidum alcohol I;
FIG. 3 HSQC spectrum of patrinia villosa Anthracene alcohol I;
FIG. 4 HMBC spectra of patrinia villosa juss-alcohol I;
FIG. 5 COSY spectrum of patrinia villosa juss-ol I;
FIG. 6 HR-ESI-MS spectrum of patrinia villosa anthracenol I.
Detailed Description
The present invention is further described below by way of examples, which will enable a more complete understanding of the present invention by the skilled person, but are not in any way limiting.
Example 1
Preparation method of patrinia villosa anthracenol I
(1) Extracting: pulverizing dried herba Patriniae whole plant (15 kg), and reflux-extracting with 70% ethanol 6 times of volume for 3 times, each for 2 hr. The extracts were combined, dried and concentrated under reduced pressure to give about 2.8kg of an extract.
(2) Separating: after an appropriate amount of distilled water fully dissolves the extractum, the extractum is sequentially extracted by petroleum ether, dichloromethane and n-butanol with equal volumes. The dichloromethane layer (110 g) was chromatographed on a silica gel column, eluting with a dichloromethane-methanol (100:1. Fwdarw.1:1) gradient to give a total of 10 fractions Fr.1 to Fr.10. Wherein Fr.5 is further separated by ODS column chromatography, and Fr.5-1 to Fr.5-5 total 5 components are obtained by gradient elution of methanol-water (10% -100%). Wherein Fr.5-4 is separated by Sephadex LH-20 column chromatography, isocratically eluted with 70% methanol and purified by semi-preparative high performance liquid chromatography to give patrinia candelabra L I (19.9 mg).
Example 2
Research on inhibition of patrinia villosa anthracenol I on alpha-glucosidase
Alpha-glucosidase plays an important role in the food absorption process, and must be combined with it before the food can be digested and absorbed. The mechanism of reducing blood glucose of the alpha-glucosidase inhibitor is that by inhibiting alpha-glucosidase on intestinal mucosa, the speed of decomposing starch into glucose is slowed down, and the absorption of glucose by small intestine is reduced and delayed, so as to reduce blood glucose, and the effect on postprandial hyperglycemia is obvious. Glucosidase inhibitors do not stimulate insulin secretion and the use of such agents alone does not generally trigger hypoglycemia and thus can help reduce fluctuations in blood glucose. Can obviously reduce the probability of cardiovascular lesions of diabetics, and has the most obvious effect of improving myocardial infarction.
1.1 Instruments and reagents
Ultraviolet-visible spectrophotometry was purchased from Shanghai You Nike instruments, inc.; alpha-glucosidase, 4-nitrophenol alpha-D-glucopyranoside (PNPG) was purchased from Sigma company; acarbose is purchased from bayer healthcare limited; reduced glutathione was purchased from Beijing Xinjing biotechnology Co.
1.2 Experimental methods
1.2.1 Reagent preparation
Dissolving patrinia villosa anthracenol I in a potassium phosphate buffer solution containing 0.05% dimethyl sulfoxide as a solvent to prepare a standard substance solution; diluting and dissolving alpha-glucosidase freeze-dried powder with purified water (0.8U/mL); PNPG dry powder was dissolved in purified water (50 mmol/L); reduced glutathione (2 mg/mL); na 2CO3 (0.1 mol/L).
1.2.2 Preparation of Positive control solution
Acarbose (100 mg) was ground, 10mL of distilled water was added, dissolved at 37℃and filtered, and 20. Mu.L of the supernatant (concentration: 0.5. Mu.M, 1. Mu.M, 2. Mu.M, 4. Mu.M, 8. Mu.M) was collected.
1.2.3 Evaluation of alpha-glucosidase inhibitory Activity:
To the test tube, 850. Mu.L of potassium phosphate buffer (67 mmol/L) and 20. Mu.L of samples to be tested (2.5. Mu.M, 5. Mu.M, 10. Mu.M, 15. Mu.M, 20. Mu.M) were added, 35. Mu.L of α -glucosidase (0.8U/mL), 25. Mu.L of reduced glutathione, the test tube was incubated at 37℃for 10min, 70. Mu. LPNPG (50 mmol/L) was added, incubated at 37℃for 20min, the reaction was stopped with Na 2CO3 (5 mL), the absorbance was measured at 400nm, and the IC 50 value was calculated:
inhibition ratio (%) = (blank OD value-dosing OD value)/blank OD value
×100％。
The result shows that the patrinia villosa juss-l I has a remarkable inhibition effect on alpha-glucosidase, and has a quantitative effect relationship, the IC 50 value is 13.2 mu M, and the acarbose IC 50 value of the positive control group is 1.48 mu M.
Although embodiments of the present invention have been disclosed above, it is not limited to the use of the description and embodiments, it is well suited to various fields of use for the invention, and further modifications may be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the particular details without departing from the general concepts defined in the claims and the equivalents thereof.
Claims (9)
1. The application of patrinia villosa anthracenol I in preparing the medicine for preventing and treating type 2 diabetes is characterized in that the structural formula of the patrinia villosa anthracenol I is shown as the formula (I):
The preparation method of the patrinia villosa juss-side alcohol I comprises the following steps:
(1) Extracting: pulverizing dried herba Patriniae, and reflux-extracting with ethanol for 3 times for 2 hr each time. Mixing the extractive solutions, drying, and concentrating under reduced pressure to obtain extract;
(2) Separating: after an appropriate amount of distilled water fully dissolves the extractum, petroleum ether, dichloromethane and n-butanol with equal volume are used for extraction in sequence; separating the dichloromethane layer by silica gel column chromatography, and performing gradient elution with dichloromethane-methanol to obtain 10 components Fr.1-Fr.10; wherein Fr.5 is further separated by ODS column chromatography, and Fr.5-1 to Fr.5-5 total 5 components are obtained by methanol-water gradient elution; wherein Fr.5-4 is separated by Sephadex LH-20 column chromatography, and purified by semi-preparative high performance liquid chromatography with 70% methanol to obtain patrinia villosa Anthracene alcohol I.
2. The use according to claim 1, wherein in step (1) 70% ethanol is extracted at 6 volumes.
3. Use according to claim 1, characterized in that the dichloromethane-methanol gradient is 100: 1- > 1:1.
4. Use according to claim 1, characterized in that the methanol-water gradient is 10% to 100%.
5. The preparation method of patrinia villosa juss-l is characterized in that the structural formula of patrinia villosa juss-l is shown as the formula (I):
The method comprises the following steps:
(1) Extracting: pulverizing dried herba Patriniae, and reflux-extracting with ethanol for 3 times for 2 hr each time. Mixing the extractive solutions, drying, and concentrating under reduced pressure to obtain extract;
(2) Separating: after an appropriate amount of distilled water fully dissolves the extractum, petroleum ether, dichloromethane and n-butanol with equal volume are used for extraction in sequence; separating the dichloromethane layer by silica gel column chromatography, and performing gradient elution with dichloromethane-methanol to obtain 10 components Fr.1-Fr.10; wherein Fr.5 is further separated by ODS column chromatography, and Fr.5-1 to Fr.5-5 total 5 components are obtained by methanol-water gradient elution; wherein Fr.5-4 is separated by Sephadex LH-20 column chromatography, and purified by semi-preparative high performance liquid chromatography with 70% methanol to obtain patrinia villosa Anthracene alcohol I.
6. The method of claim 5, wherein in step (1) 70% ethanol is extracted at 6 volumes.
7. The method of claim 5, wherein the dichloromethane-methanol gradient is 100: 1- > 1:1.
8. The method of claim 5, wherein the methanol-water gradient is 10% to 100%.
9. The application of patrinia villosa anthracenol I in preparing health-care food or medicine for reducing blood sugar is characterized in that the structural formula of the patrinia villosa anthracenol I is shown as the formula (I):
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