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 PDF

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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
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CN106008627A (en
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戚建华
张慧
向兰
陈海轶
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Zhejiang University ZJU
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    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H17/00Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
    • C07H17/04Heterocyclic radicals containing only oxygen as ring hetero atoms
    • C07H17/06Benzopyran radicals
    • C07H17/065Benzo[b]pyrans
    • C07H17/07Benzo[b]pyran-4-ones
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    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • C07H1/06Separation; Purification
    • C07H1/08Separation; Purification from natural products
    • CCHEMISTRY; METALLURGY
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    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/26Acyclic or carbocyclic radicals, substituted by hetero rings
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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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

The preparation and anti-aging purposes of polygonum capitatum flavonoid glycoside compound
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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