CN106008627B - The preparation and anti-aging purposes of polygonum capitatum flavonoid glycoside compound - Google Patents
The preparation and anti-aging purposes of polygonum capitatum flavonoid glycoside compound Download PDFInfo
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- CN106008627B CN106008627B CN201610410464.9A CN201610410464A CN106008627B CN 106008627 B CN106008627 B CN 106008627B CN 201610410464 A CN201610410464 A CN 201610410464A CN 106008627 B CN106008627 B CN 106008627B
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- polygonum capitatum
- ethyl acetate
- methanol
- flavonoid glycoside
- post separation
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- 241000764065 Persicaria capitata Species 0.000 title claims abstract description 23
- 229930182486 flavonoid glycoside Natural products 0.000 title claims abstract description 20
- -1 flavonoid glycoside compound Chemical class 0.000 title claims abstract description 20
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004128 high performance liquid chromatography Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
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- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- 230000036541 health Effects 0.000 claims abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 51
- REFJWTPEDVJJIY-UHFFFAOYSA-N Quercetin Chemical compound C=1C(O)=CC(O)=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 REFJWTPEDVJJIY-UHFFFAOYSA-N 0.000 claims description 22
- MWDZOUNAPSSOEL-UHFFFAOYSA-N kaempferol Natural products OC1=C(C(=O)c2cc(O)cc(O)c2O1)c3ccc(O)cc3 MWDZOUNAPSSOEL-UHFFFAOYSA-N 0.000 claims description 16
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 claims description 15
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- 150000001875 compounds Chemical class 0.000 claims description 14
- ZVOLCUVKHLEPEV-UHFFFAOYSA-N Quercetagetin Natural products C1=C(O)C(O)=CC=C1C1=C(O)C(=O)C2=C(O)C(O)=C(O)C=C2O1 ZVOLCUVKHLEPEV-UHFFFAOYSA-N 0.000 claims description 11
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- 235000005875 quercetin Nutrition 0.000 claims description 11
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- 238000001514 detection method Methods 0.000 claims description 6
- 150000007955 flavonoid glycosides Chemical class 0.000 claims description 4
- 239000004480 active ingredient Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000003125 aqueous solvent Substances 0.000 claims description 2
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- 238000000746 purification Methods 0.000 claims description 2
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- SOSLMHZOJATCCP-PADPQNGGSA-N afzelin Natural products O([C@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](C)O1)C1=C(c2ccc(O)cc2)Oc2c(c(O)cc(O)c2)C1=O SOSLMHZOJATCCP-PADPQNGGSA-N 0.000 claims 1
- 229930182470 glycoside Natural products 0.000 claims 1
- HEAQNIWCWRHODF-UHFFFAOYSA-N kaempferol 3-O-alpha-L-rhamnopyranoside Natural products OC1C(O)C(O)C(C)OC1OC1=C(C=2C=CC=CC=2)OC2=CC(O)=CC(O)=C2C1=O HEAQNIWCWRHODF-UHFFFAOYSA-N 0.000 claims 1
- LPEPTRFUOKMJCH-UHFFFAOYSA-N myricetin 7-O-alpha-L-rhamnopyranoside Natural products OC1C(O)C(O)C(C)OC1OC1=CC(O)=C2C(=O)C(O)=C(C=3C=C(O)C(O)=C(O)C=3)OC2=C1 LPEPTRFUOKMJCH-UHFFFAOYSA-N 0.000 claims 1
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- 239000000377 silicon dioxide Substances 0.000 abstract 1
- IYRMWMYZSQPJKC-UHFFFAOYSA-N kaempferol Chemical compound C1=CC(O)=CC=C1C1=C(O)C(=O)C2=C(O)C=C(O)C=C2O1 IYRMWMYZSQPJKC-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-MZCSYVLQSA-N Deuterated methanol Chemical compound [2H]OC([2H])([2H])[2H] OKKJLVBELUTLKV-MZCSYVLQSA-N 0.000 description 8
- 230000032683 aging Effects 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- UBSCDKPKWHYZNX-UHFFFAOYSA-N Demethoxycapillarisin Natural products C1=CC(O)=CC=C1OC1=CC(=O)C2=C(O)C=C(O)C=C2O1 UBSCDKPKWHYZNX-UHFFFAOYSA-N 0.000 description 5
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- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
- C07H17/04—Heterocyclic radicals containing only oxygen as ring hetero atoms
- C07H17/06—Benzopyran radicals
- C07H17/065—Benzo[b]pyrans
- C07H17/07—Benzo[b]pyran-4-ones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
- C07H1/06—Separation; Purification
- C07H1/08—Separation; Purification from natural products
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/26—Acyclic or carbocyclic radicals, substituted by hetero rings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
Abstract
The present invention provides a kind of preparation method of polygonum capitatum flavonoid glycoside compound, it is crushed by polygonum capitatum, methanol extraction, filter concentration, after water and ethyl acetate solvent distribution, ethyl acetate concentration, first passes through silica gel post separation, obtains using ODS (octadecylsilane chemically bonded silica filler) opening column and HPLC (high performance liquid chromatography) purifying.For the present invention by saccharomyces cerevisiae K6001 bioactive systems, the replicability service life of yeast can significantly be extended by showing this four flavonoid glycoside compounds.Polygonum capitatum flavonoid glycoside compound provided by the invention can be applied in preparing antiaging agent or health care product.Preparation method of the present invention is simple, and the product purity of extraction is high, and polygonum capitatum is the cheap Chinese medicine that is easy to get, and increases the medicinal usage of polygonum capitatum, it was found that anti-aging potentiality possessed by its component.
Description
Technical field
The invention belongs to pharmaceutical technology fields, and in particular to the preparation method of polygonum capitatum flavonoid glycoside reactive compound and its
Preparing the application in antiaging agent.
Background technique
According to recent statistics data, the whole world 60 years old and the above aged had reached 9.01 hundred million in 2015, accounted for
The 12% of total world population.The world has entered aging society, and the following disease relevant to aging becomes increasingly prominent
The problem of.Neurodegenerative disease including Alzheimer disease is one of global public health problem.Only in
State, the aged already exceed 200,000,000, and the patient populations of Alzheimer disease are in 2014 more than 6,000,000.It is led in medicine and pharmacology
Domain, the drug for finding prevention and treatment geriatric disease have become the task of top priority.
By studying for a long period of time to Aging mechanism, a variety of causes of senescence have been formed in the art, including programmed aging is said, body
Cell mutation is said, mistake is caused disaster, and free radical is said, neuroendocrine is said, immunosenescence is said, etc..Aging is one very multiple
Miscellaneous process, the mode that same class antiaging agent plays drug effect are also not quite similar.
Polygonaceae plant polygonum capitatum (Polygonum capitatum) is perennial draft of crawling, and is that one of seedling medicine is normal
With medicinal material, there is very high medical value.As the common herbal medicine of Guizhou nationality, the also existing research of the medical value of polygonum capitatum:
Herba Polygoni Capitati extract and its application in hypoglycemic drug;Application and whitening of the Herba Polygoni Capitati extract in whitening articles are used
Product;Relinqing Granula raw material Herba Polygoni Capitati extract with anti-inflammatory effect;Relinqing Granula raw material with anti-gonococcus effect
Herba Polygoni Capitati extract;For preventing or treating the polygonum capitatum composition of whelk;For treating or preventing the headdress flower of mouth disease
Knotweed composition.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of polygonum capitatum flavonoid glycoside reactive compound, pass through following steps
It prepares:
(1) polygonum capitatum is extracted after crushing with methanol, uses ethyl acetate and aqueous solvent distribution, ethyl acetate again after filtering concentration
Layer concentration, obtains ethyl acetate layer study;
(2) by gained ethyl acetate layer study successively through silica gel opening post separation and twice ODS be open post separation, obtain two
A anti-aging active ingredients;
(3) resulting two anti-aging active ingredients obtain four flavonoid glycoside reactive compounds through HPLC after purification, point
Not Wei myricetin 7-O--L-rhamnopyranoside, quercetin 4'-O- α-L-rhamnopyranoside,
Quercetin 3-O- α-(2 "-galloyl) rhamnoside, and kaempferol 3-O--L-rhamnopyranoside.
The solvent system of silica gel opening post separation is n-hexane: dichloro=100 in step (2): 0,90: 10,70: 30,50:
50,30: 70,10: 90,0: 100;Subsequent methylene chloride: ethyl acetate=90: 10,70: 30,50: 50,30: 70,0: 100;Most
It is eluted afterwards for methanol.The solvent system of first time ODS opening post separation is methanol: water=30: 70,35: 65,40: 60,50: 50,
60: 40,70: 30,90: 10,100: 0.The solvent system of second of ODS opening post separation is methanol: water=30: 70,
50: 50 and 30: 70,35: 65,60: 40.
The chromatographic condition that HPLC is purified in step (3) is respectively as follows: chromatographic column CAPCELL PAKC18 (10/250mm), flow velocity
3mL/min, Detection wavelength 210nm, mobile phase methanol: water=38: 62 and chromatographic column Develosil C30-UG-5 (10/
250mm), Nomura Chemical, flow velocity 3mL/min, Detection wavelength 210nm, mobile phase methanol: water=48: 52.
It is a further object to provide the flavonoid glycoside compounds to prepare antiaging agent or health care product
In application.The research of the invention finds that the flavonoid glycoside compound in the polygonum capitatum source obtained by the method for the invention is anti-ageing
In old model, it can significantly extend the yeast replicability service life (see Fig. 1), especially four flavonoid glycoside compounds.Illustrate its tool
There is activity of fighting against senium.
The flavonoid glycoside compound in polygonum capitatum source provided by the invention can be prepared according to any conventional process pharmaceutically may be used
The carrier or diluent of receiving.Pharmaceutically acceptable carrier described here refers to the pharmaceutical carrier of pharmaceutical field routine, example
Such as diluent, excipient are in this way, filler such as starch, sucrose, microcrystalline cellulose etc.;Adhesive such as starch slurry, hydroxypropyl fiber
Element, gelatin, polyethylene glycol etc.;Wetting agent such as magnesium stearate, superfine silica gel powder, polyethylene glycols etc.;The poly- sorb rouge of sorbefacient,
Lecithin etc., surfactant poloxamer, fatty acid sorbitan, poly- sorb rouge etc., in addition it can add in compound
Enter other adjuvants such as flavouring agent, sweetener etc..
The dosage form of administration can be tablet, pill, pulvis, dispersible tablet, sachets, elixir, suspension, emulsion, solution
Agent, syrup, aerosol, soft capsule, hard capsule, aseptic parenteral solution, liniment or suppository.It can be made into routine, quick-release is sustained or prolongs
Slowbreak is put.
Flavonoid glycoside compound of the invention can be given by all means, including oral, nasal cavity, muscle, subcutaneously, intravenous
Deng.
The flavonoid glycoside compound in polygonum capitatum source provided by the invention is shown significantly in saccharomyces cerevisiae K6001 system
Activity of fighting against senium.Preparation method of the present invention is simple, and the product purity of extraction is high, and polygonum capitatum is the cheap Chinese medicine that is easy to get, and is
The research and development of antiaging agent or health care product carry out basic research, will have important practical significance.
Detailed description of the invention
Fig. 1 is that four flavonoid glycoside compounds make yeast replicability life-time dilatation in K6001 bioactive systems
With;1:myricetin 7-O--L-rhamnopyranoside, 2:quercetin 4'-O- α-L- in figure
Rhamnopyranoside, 3:quercetin 3-O- α-(2 "-galloyl) rhamnoside, 4:kaempferol3-O--
L-rhamnopyranoside。
Specific embodiment
Below by way of to such several particular compound preparating example embodiment and attached drawing again to of the invention above-mentioned
Content is described in further detail, but the range that this should not be interpreted as to the above-mentioned theme of the present invention is only limitted to following examples,
The techniques implemented on the basis of the foregoing are all within the scope of the present invention.
Embodiment 1
The preparation method of four flavonoid glycoside compounds of separation and Extraction, specific steps from polygonum capitatum are as follows:
1) it crushes and extracts:
After 250g dry polygonum capitatum crushes, is extracted 2 times, 1 day every time, filtered dense at room temperature with 2.5L methanol (technical grade)
Contracting, obtains methanol extract study, with ethyl acetate and water extraction and separation, stands, and after ethyl acetate layer reduced pressure is spin-dried for, obtains
To ethyl acetate layer study 9g.
2) it separates and purifies:
By ethyl acetate layer study first through silica gel opening post separation (200-300 mesh, following solvent system by volume, just
Hexane: dichloromethane solvent system is by volume are as follows: 100: 0,90: 10,70: 30,50: 50,30: 70,10: 90,0: 100;With
Methylene chloride afterwards: ethyl acetate solvent system is by volume are as follows: 90: 10,70: 30,50: 50,30: 70,0: 100;It is finally first
Alcohol);By active sample again with ODS opening post separation (solvent system is methanol by volume: water=0: 70,35: 65,40: 60,
50: 50,60: 40,70: 30,90: 10,100: 0);Two active component As 1 (975.7mg) and B1 (267.4mg) are obtained, then
A1 and B1 respectively with ODS opening post separation (solvent system by volume be respectively methanol: water are as follows: 30: 70,50: 50 and 30: 70,
35: 65,60: 40), obtaining higher two active component As 2 (129.4mg) of purity and B2 (139.9mg).Take A2 50mg HPLC
Purifying, chromatographic condition: chromatographic column PAKC18(10/250mm), flow velocity 3ml/min, Detection wavelength 210nm, mobile phase are methanol:
Water=38: 62, obtaining compound myricetin7-O--L-rhamnopyranoside, (2.7mg, retention time are
19.5min), quercetin4'-O- α-L-rhamnopyranoside (35.8mg, retention time 38.0min);Take B2
20mg is purified with HPLC, chromatographic condition: chromatographic column C30-UG-5 (10/250mm), flow velocity 3ml/min, Detection wavelength 210nm, stream
Dynamic is mutually methanol: water=48: 52, obtain compound quercetin 3-O- α-(2 "-galloyl) rhamnoside
(5.3mg, retention time 54.8min), kaempferol 3-O--L-rhamnopyranoside (2.5mg, retention time
For 60.6min).
Four flavonoid glycoside compound structural formulas are as follows:
Embodiment 2
To embodiment 1 gained compound myricetin 7-O--L-rhamnopyranoside, quercetin4'-O-
α-L-rhamnopyranoside, quercetin 3-O- α-(2 "-galloyl) rhamnoside, and kaempferol 3-O-
The physicochemical characteristics of-L-rhamnopyranoside and the Qualitative Identification of chemical structure:
Compound myricetin 7-O--L-rhamnopyranoside, quercetin4'-O- α-L-
Rhamnopyranoside, quercetin 3-O- α-(2 "-galloyl) rhamnoside, and kaempferol 3-O--L-
The structure of rhamnopyranoside is compared through 1H NMR, MS and document and is determined.
The physicochemical property of compound myricetin 7-O--L-rhamnopyranoside: yellow-brown solid, molecular formula
For C21H20O12;ESI-TOF-MS:m/z 465.1027 (M+H)+, hydrogen modal data:1HNMR(500MHz,CD3OD) :=6.95 (s,
2H), 6.37 (d, 1H, J=2.0Hz), 6.20 (d, 1H, J=2.0Hz), 5.31 (d, 1H, J=1.5Hz), 4.22 (dd, 1H, J
=3,1.5Hz), 3.79 (dd, 1H, J=9.0,3.0Hz), 3.52 (m, 1H), 3.32 (m, 1H), 0.96 (d, 3H, J=
6.5Hz)。
The physicochemical property of compound quercetin 4'-O- α-L-rhamnopyranoside: yellow-brown solid, molecular formula
For C21H20O11;ESI-TOF-MS:m/z 449.1114 (M+H)+, hydrogen modal data:1HNMR(500MHz,CD3OD) :=7.33 (d,
1H, J=1.5Hz), 7.30 (dd, 1H, J=8.0,1.5Hz), 6.90 (d, 1H, J=8.0Hz), 6.18 (d, 1H, J=
2.0Hz), 6.35 (d, 1H, J=2.0Hz), 5.34 (s, 1H), 4.21 (s, 1H), 3.39 (m, 1H), 3.73 (dd, 1H, J=
), 9.5,3.0Hz 3.43 (m, 1H), 0.93 (d, 3H, J=6.0Hz).
Compound quercetin 3-O- α-(2 "-galloyl) rhamnoside physicochemical property: yellow solid, molecule
Formula is C28H24O15;ESI-TOF-MS:m/z 601.1179 (M+H)+, hydrogen modal data:1HNMR(500MHz,CD3OD) :=7.36
(d, 1H, J=2.0Hz), 7.34 (dd, 1H, J=8.5,2.0Hz), 7.07 (s, 2H), 6.93 (d, 1H, J=85Hz), 6.18
(d, 1H, J=2.0Hz), 6.36 (d, 1H, J=2.0Hz), 5.63 (dd, 1H, J=3.5,2.0Hz), 5.50 (d, 1H, J=
1.5Hz), 4.01 (m, 1H), 3.47 (m, 2H), 1.03 (d, 3H, J=6.0Hz).
The physicochemical property of compound kaempferol 3-O--L-rhamnopyranoside: yellow-brown solid, molecular formula
For C21H20O10;ESI-TOF-MS:m/z 443.1125 (M+H)+, hydrogen modal data:1HNMR(500MHz,CD3OD) :=7.77 (d,
1H, J=8.5Hz), 6.93 (d, 1H, J=8.5Hz), 6.18 (d, 1H, J=2.0Hz), 6.35 (d, 1H, J=2.0Hz), 5.37
(d, 1H, J=1.5Hz), 4.21 (dd, 1H, J=3.0,1.5Hz), 3.70 (dd, 1H, J=9.0,3.5Hz), 3.33-3.16
(m, 2H), 0.92 (d, 3H, J=5.5Hz).
Embodiment 3
Four flavonoid glycoside compounds show activity of fighting against senium in anti-aging model discrimination, can significantly extend K6001
The replicability service life of yeast.
Biological model currently used for research on anti-senescence mainly has mouse, nematode, drosophila and yeast.The present embodiment selection is made
Active system of the brewer yeast as research on anti-senescence, because yeast is single celled eucaryote, life cycle is short, and it is complete to have obtained its
Whole genomic data is currently used aging model biology.Simultaneously using resveratrol as positive control, resveratrol is
Small molecule compound that is currently known, showing in several animal models anti-aging effects.
Analysis method the following steps are included:
(1) K6001 yeast strain is taken out from -30 DEG C of refrigerators, is washed three times with PBS, each 5ml removes glycerol therein.
Be eventually adding 1ml PBS, blow and beat, make its suspend after be added to 5ml fluid nutrient medium (1% yeast powder, 2% peptone,
3% galactolipin) in.28 DEG C of shakings (160r/min) are cultivated 24 hours;
(2) it is washed three times after cultivating with 5ml PBS, removes fluid nutrient medium therein, counted with blood counting chamber,
Calculate the concentration of yeast;
(3) solvent is made using dehydrated alcohol, respectively prepares 1 μM, 3 μM, it is spare;
(4) in sterilized culture dish be added 5ml solid medium (1% yeast powder, 2% peptone, 2%
Glucose, 2% agar powder), after culture medium solidification after, be separately added into prepared sample in step (3), solvent thereto
After volatilization be added 4000 yeast, with spreader smear uniformly, 28 DEG C constant temperature incubation 48 hours;
(5) every ware counts the daughter cell number that 40 mother cells generate respectively at random under microscope, and records, maps and divide
Analysis, the result is shown in Figure 1.
Claims (1)
1. a kind of preparation method for antiaging agent or the polygonum capitatum flavonoid glycoside compound of health care product, the polygonum capitatum is yellow
Ketone glycosides compound is respectively myricetin 7-O- α-L-rhamnopyranoside, quercetin 4'-O- α-L-
Rhamnopyranoside, quercetin 3-O- α-(2''-galloyl) rhamnoside, and kaempferol 3-O-
α-L-rhamnopyranoside, which is characterized in that realized by following preparation step:
(1) polygonum capitatum is extracted after crushing with methanol, is filtered after being concentrated, then is distributed with ethyl acetate and aqueous solvent, ethyl acetate layer
Concentration, obtains ethyl acetate layer study;
(2) gained ethyl acetate layer study is successively open post separation through silica gel opening post separation and twice ODS, obtain two it is anti-
Aging active component;
(3) resulting two anti-aging active ingredients obtain four flavonoid glycoside reactive compounds through HPLC after purification;
Wherein the solvent system of silica gel opening post separation is n-hexane: methylene chloride=100 in step (2): 0,90: 10,70:
30,50: 50,30: 70,10: 90,0: 100;Subsequent methylene chloride: ethyl acetate=90: 10,70: 30,50: 50,30: 70,
0:100;Finally eluted for methanol;The solvent system of first time ODS opening post separation is methanol: water=30: 70,35: 65,40:
60,50: 50,60: 40,70: 30,90: 10,100: 0;The solvent system of second of ODS opening post separation is methanol: water
=30: 70,50: 50 and 30: 70,35: 65,60: 40;
The chromatographic condition that HPLC is purified in step (3) is respectively as follows: chromatographic column CAPCELL PAKC18,10/250 mm, flow velocity 3
ML/min, 210 nm of Detection wavelength, mobile phase methanol: water=38: 62 and chromatographic column Develosil C30-UG-5,10/250
Mm, Nomura Chemical, 3 mL/min of flow velocity, 210 nm of Detection wavelength, mobile phase methanol: water=48: 52.
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