CN105859907B - With immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product of raising and preparation method thereof - Google Patents

With immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product of raising and preparation method thereof Download PDF

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CN105859907B
CN105859907B CN201610409994.1A CN201610409994A CN105859907B CN 105859907 B CN105859907 B CN 105859907B CN 201610409994 A CN201610409994 A CN 201610409994A CN 105859907 B CN105859907 B CN 105859907B
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sunset abelmoschus
stem
bark
leaf polyose
polyose
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CN105859907A (en
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江曙
潘欣欣
段金廒
朱悦
钱大玮
严辉
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Nanjing University of Chinese Medicine
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0009Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/737Sulfated polysaccharides, e.g. chondroitin sulfate, dermatan sulfate
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    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
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    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
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    • C08B37/006Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0087Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
    • 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

Have the invention discloses one kind and improve immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product and preparation method thereof, sulfate content is 24.79% in polysaccharide sulfated modified outcome, polyoses content 52.10%, and polysaccharide is 0.45 by molar ratio:18.96:1.0:0.53 mannose, glucose, galactolipin and arabinose composition.The present invention passes through the preferred extraction and separation process of many experiments, Thick many candies are obtained using water extraction and alcohol precipitation method, albumen is taken off again, then it is purified using 52 celluosic resins of DEAE, the high sunset abelmoschus stem or bark leaf polyose of purity is made, then modifies using sulfamic acid method to obtain sunset abelmoschus stem or bark leaf polyose sulphation modification product.The present invention makes full use of discarded sunset abelmoschus root cauline leaf resource, turns waste into wealth, and obtains that immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product can be improved, it can be achieved that the sustainability application of natural resources of Chinese medicinal materials, has good economic value and ecological environmental protection meaning.

Description

With the immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product of raising and its system Preparation Method
Technical field
The present invention relates to a kind of plant polyoses, and in particular to one kind, which has, improves immunocompetent sunset abelmoschus stem or bark leaf polyose sulphur It is acidified modified outcome and preparation method thereof.
Background technology
Natural resources of Chinese medicinal materials is the solid foundation for ensureing national health, development of national medicine.Chinese medicine and natural medicinal life in recent years The production area in goods and materials source is more than 2.40 × 106hm2, root yield is up to 5.40 × 106T, and discarded root system of plant and The biomass of ground cauline leaf is up to 1.1 × 107~1.6 × 107T is 2~3 times of root yield, causes the serious wasting of resources And environmental pollution.Therefore, the utility value of medicinal organism resource is improved in natural resources of Chinese medicinal materials industrialization process, especially promotes it Medical value, sound development and development resource economizing type, environmentally friendly economy for Chinese Medicine Industry have great Meaning.
Sunset abelmoschus root (Abelmoschus manihot L.Medic) is Malvaceae gumbo platymiscium, first recorded in《Jia Yu sheets Grass》,《Compendium of Materia Medica》Described in:" it spends smell sweet, cold, sliding, nontoxic, cures mainly urine leaching and expedites the emergence of, controls all malignant sore pus long not The person of being recovered, what work end was applied is cured, for persons particularly liable to develop skin infection's key medicine " etc..Its root, stem, leaf are respectively provided with certain medical value.Sunset abelmoschus flower is main Agents area is dropped or burns its cauline leaf part more in recovery process, causes the very big wave of sunset abelmoschus root cauline leaf resource Take and the pollution of environment.
Polysaccharide is a kind of complicated polymer substance, has antitumor, antiviral, anti-oxidant, anti-mutation, radioresistance With the various biologicals effect such as enhancing is immune.But the polysaccharide bioactivity under normal circumstances, naturally extracted is weaker.In natural polysaccharide When certain ionic group is introduced in molecule and there is appropriate degree of substitution, the dissolving of polysaccharide in water can not only be significantly improved Degree, and the chain conformation of polysaccharide can be made to change, improve bioactivity so as to make it have certain specific structure.It is more The Sulfation modification of sugar is to replace the C-terminal of polysaccharide molecule, carboxyl terminal or amino terminal sulfate group, The bioactivity of original polysaccharide can be caused to substantially change.
At present, the analysis of physicochemical property and monosaccharide is concentrated mainly on to the research of sunset abelmoschus stem or bark leaf polyose both at home and abroad, it is right The research of its activity is less.Therefore, change the structure of sunset abelmoschus stem or bark leaf polyose using sulphation modification technology, improve its physics and chemistry Matter obtains really active polysaccharide, to the efficient utilization of sunset abelmoschus root cauline leaf resource and the Protection significance weight of ecological environment Greatly.
Invention content
Goal of the invention:The purpose of the present invention is to solve the deficiencies in the prior art, using sunset abelmoschus root cauline leaf waste as original Material, is prepared sunset abelmoschus root cauline leaf Thick many candies by preferred method, is then modified using Sulfation, obtains that there is raising to be immunized The sunset abelmoschus stem or bark leaf polyose sulphation modification product of activity.Another object of the present invention is to provide sunset abelmoschus stem or bark leaf polyose sulphation The preparation method of modified outcome and its application.The present invention makes full use of discarded sunset abelmoschus root cauline leaf resource, turns waste into wealth, and height is immune The sunset abelmoschus stem or bark leaf polyose sulphation modification product of activity is, it can be achieved that the sustainability application of natural resources of Chinese medicinal materials, has warp well The Protection significance of Ji value and ecological environment.
Technical solution:In order to achieve the goal above, the technical solution adopted by the present invention is:
A kind of sunset abelmoschus stem or bark leaf polyose sulphation modification product, sulfate in sunset abelmoschus stem or bark leaf polyose sulphation modification product Content is 24.79%, polyoses content 52.10%, and polysaccharide is 0.45 by molar ratio:18.96:1.0:0.53 mannose, Portugal Grape sugar, galactolipin and arabinose composition.
Preferably, the molecular weight of sunset abelmoschus stem or bark leaf polyose and sunset abelmoschus stem or bark leaf polyose sulphation modification product is distinguished For 760.24kDa and 236.75kDa.
Preferably, the preparation method of above-described sunset abelmoschus stem or bark leaf polyose sulphation modification product, including with Lower step:
(1) dregs of a decoction after the extraction of sunset abelmoschus root cauline leaf ethyl alcohol are taken, add in the water of the dregs of a decoction 10~30 times of volumes of weight, refluxing extraction 2~3 times, 1~2 hour every time, filtering, merging filtrate was concentrated under reduced pressure;Sevag method removing proteins, centrifugation take supernatant, add in nothing Water-ethanol, alcohol precipitation is overnight, filters, takes precipitation, washed successively with absolute ethyl alcohol, acetone, ether, dries, it is thick to obtain sunset abelmoschus root cauline leaf Polysaccharide;
(2) classification of sunset abelmoschus root cauline leaf Thick many candies
The sunset abelmoschus root cauline leaf Thick many candies that step (1) is prepared are weighed, add distillation water dissolution, are loaded onto DEAE-52 chromatographies In column, with 0.0,0.1,0.3,0.5mol/L NaCl solution gradient elutions, and polyoses content is detected using phend-sulphuric acid, point Different eluting peaks is not collected, is concentrated under reduced pressure, and dialysis finally by dialyzate vacuum freeze drying, obtains sunset abelmoschus stem or bark leaf polyose;
(3) sulphation modification of sunset abelmoschus stem or bark leaf polyose
The sunset abelmoschus stem or bark leaf polyose that step (2) is taken to be prepared, is modified using sulfamic acid method:Accurately weigh yellow another name for Sichuan Province Certain herbaceous plants with big flowers stem leaf polysaccharide, at ambient temperature stirring are dissolved in dimethylformamide, add in sulfamic acid, anti-in 80~90 DEG C of stirrings It should.After reaction, ice-water bath is cooled to room temperature, and adjusts pH to neutrality with NaOH, dialysis takes dialyzate, concentrates, and freeze-drying obtains Sunset abelmoschus stem or bark leaf polyose sulphation modification product.
Preferably, the preparation method of above-described sunset abelmoschus stem or bark leaf polyose sulphation modification product, step (3) Sunset abelmoschus stem or bark leaf polyose 40mg accurately is weighed, 30min is stirred at ambient temperature, is dissolved in 15mL dimethylformamides, is added in 120mg sulfamic acids are stirred to react 3h in 80 DEG C, and after reaction, ice-water bath is cooled to room temperature, and pH is adjusted into NaOH Property, it dialyses 3 days, takes dialyzate, concentrate, freeze-drying obtains sunset abelmoschus stem or bark leaf polyose sulphation modification product.
The present invention shows to have by the sunset abelmoschus stem or bark leaf polyose product that sulphation modification obtains aobvious by experimental study The effect of the promotion spleen lymphocyte proliferation of work improves the drug or health products of immunity available for preparing.
Sunset abelmoschus stem or bark leaf polyose sulphation modification product of the present invention is preparing the drug for improving immunity or health care Tablet, capsule can be made in sunset abelmoschus stem or bark leaf polyose sulphation modification product and pharmaceutically acceptable carrier by the application in product The drug of agent, granule or encapsulated form.
The present invention adds carrier lactose or corn when tablet is made in sunset abelmoschus stem or bark leaf polyose sulphation modification product Starch adds in magnesium stearate lubricant when needing, be uniformly mixed, tablet is made in then tabletting.
When capsule is made, sunset abelmoschus stem or bark leaf polyose sulphation modification product and carrier lactose or cornstarch are mixed Uniformly, whole grain, it is then encapsulated that capsule is made.
The present invention is when being made granule, sunset abelmoschus stem or bark leaf polyose sulphation modification product and diluent lactose or corn Starch is uniformly mixed, whole grain, dry, and granule is made.
Advantageous effect:It is provided by the invention have improve immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product and The prior art, which is compared, to be had a little:
1st, the present invention obtains Thick many candies by the preferred extraction and separation process of many experiments using water extraction and alcohol precipitation method first, then Then deproteination is purified using DEAE-52 celluosic resins, the high sunset abelmoschus stem or bark leaf polyose of purity, Ran Houzai is made It is modified using sulfamic acid method, purifies, obtain sunset abelmoschus stem or bark leaf polyose sulphation modification product.The present invention makes full use of useless The sunset abelmoschus root cauline leaf resource abandoned, turns waste into wealth, and immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification can be improved by being prepared Product has the Protection significance of good economic value and ecological environment, it can be achieved that the sustainability application of natural resources of Chinese medicinal materials.
2nd, the present invention by external mouse spleen lymphocyte proliferation activity experiments have shown that, sunset abelmoschus stem or bark leaf polyose has no bright Aobvious immunoregulatory activity, but after sulphation modification, shown in 25~200 μ g/mL dosage ranges significantly immune Activity is adjusted, achieves extraordinary unexpected technique effect.
Description of the drawings
Fig. 1 is the infrared spectrogram of sunset abelmoschus root cauline leaf Thick many candies.
Fig. 2 is the infrared spectrogram of sunset abelmoschus stem or bark leaf polyose sulphation modification product.
Fig. 3 is the proliferation of splenocytes block diagram of sunset abelmoschus stem or bark leaf polyose and its sulphation modification product.
Specific embodiment
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real It applies the described specific material proportion of example, process conditions and its result and is merely to illustrate the present invention, without that should will not limit The present invention described in detail in claims processed.
Embodiment 1
The preparation method of sunset abelmoschus stem or bark leaf polyose sulphation modification product, includes the following steps:
(1) preparation of sunset abelmoschus root cauline leaf Thick many candies
Drying dregs of a decoction 100g of the sunset abelmoschus root cauline leaf after alcohol reflux extracts is taken, adds in the dregs of a decoction 30 times of volumes of weight Water, 100 DEG C of water-bath refluxing extractions 3 times, each 1h.Filtering, merging filtrate are concentrated under reduced pressure.Sevag method removing proteins, centrifugation (4000r/min, 10min) takes supernatant, adds in the absolute ethyl alcohol of tetraploid product, and alcohol precipitation is overnight, filters, and precipitation uses nothing successively Three times, 50 DEG C of drying are to get sunset abelmoschus root cauline leaf Thick many candies for water-ethanol, acetone, ether washing.
(2) classification of sunset abelmoschus root cauline leaf Thick many candies
The sunset abelmoschus root cauline leaf Thick many candies 3g that step (1) is prepared is weighed, adds appropriate distillation water dissolution, prepares mass concentration For the polysaccharide solution of 30mg/ml, it is loaded onto in DEAE-52 chromatographic columns.With 0.0,0.1,0.3,0.5mol/L NaCl solution gradients Elution, flow velocity 1.0mL/min (10min/ pipes) detect polyoses content using phend-sulphuric acid, collect different elutions respectively Peak is concentrated under reduced pressure, dialysis, and finally by dialyzate vacuum freeze drying, obtaining sunset abelmoschus root cauline leaf Thick many candies, (polyoses content reaches 99%).
(3) sulphation modification of sunset abelmoschus stem or bark leaf polyose
The sunset abelmoschus root cauline leaf Thick many candies that step (2) is prepared are taken, are modified using sulfamic acid method.Accurately weigh Huang Hollyhock cauline leaf Thick many candies 40mg stirs 30min and is dissolved in 15mL DMF at ambient temperature.120mg sulfamic acids are added in, in 80 DEG C it is stirred to react 3h.After reaction, ice-water bath is cooled to room temperature, and is adjusted pH to neutrality with NaOH, is dialysed 3 days, concentrate, freeze It is dry, obtain sunset abelmoschus stem or bark leaf polyose sulphation modification product.
The measure of 2 sunset abelmoschus stem or bark leaf polyose sulphation modification product total sugar content of embodiment and degree of substitution
1st, using D- DEXTROSE ANHYDROUSs as standard items, using sunset abelmoschus root cauline leaf before and after phend-sulphuric acid measure sulphation modification The total sugar content of Thick many candies;With K2SO4For standard items, using barium chloride-gelatin turbidimetry for Determination sulfate radical content, according to the following formula Calculate degree of substitution (DS).
In formula:S% is sulfur content
2nd, monosaccharide composition analysis
Using trifluoroacetic acid hydrolysis, PMP polysaccharide derivative samples, to mix monosaccharide as standard items, using high performance liquid chromatography Method determines the composition of monosaccharide according to appearance time, and the monosaccharide that the standard curve determination sample of each monosaccharide is drawn according to peak area contains Amount.
3rd, infrared spectrum analysis
Learnt from else's experience dry sunset abelmoschus root cauline leaf Thick many candies and sunset abelmoschus stem or bark leaf polyose each lmg of sulphation modification Product samples, It is uniform in agate mortar grinding with the dried potassium bromide powders of 100~200mg, it is pressed into thin slice respectively, respectively in infrared spectrum 4000~400cm is measured on instrument-1Infrared spectrum.
4th, mice spleen lymphocytes proliferation is tested
It is sterile to take spleen, mouse spleen lymphocyte suspension is prepared, adjustment cell concentration is 6 × 106A/mL connects in 96 orifice plates 100 μ L/ holes of kind, then culture solution (blank control), 10 μ g/mL ConA (con A, positive control) are separately added into, it is different The sunset abelmoschus root cauline leaf Thick many candies of concentration and each 100 μ of sunset abelmoschus stem or bark leaf polyose sulphation modification Product samples solution of various concentration L/ holes, each concentration are all provided with 4 multiple holes, are uniformly mixed and are placed on 37 DEG C, 5%CO2Culture is for 24 hours.Culture terminates preceding 4h, adds per hole Enter 10 μ L of MTT (5mg/mL), continue to cultivate 4h in above-mentioned condition, supernatant is abandoned in centrifugation, adds in 100 μ L DMSO, after fully shaking The light absorption value of wavelength 570nm is measured with microplate reader.
Lymphopoiesis index=sample sets light absorption value/blank control group light absorption value
5th, experimental result
The measure analysis result of 5.1 total reducing sugars and degree of substitution, as shown in table 1:
The total sugar content and degree of substitution of 1 sunset abelmoschus root cauline leaf Thick many candies of table and sunset abelmoschus stem or bark leaf polyose sulphation modification product It measures
As shown in table 1, the total sugar content of sunset abelmoschus root cauline leaf Thick many candies is 99.76%, without sulfate, the sulfuric acid after modification Base content is 24.79%, and total sugar content 52.10% is mainly replaced by a large amount of sulfate, sunset abelmoschus stem or bark leaf polyose sulfuric acid The degree of substitution for changing modified outcome is 0.57, and sulfate has been connected on sugar chain.
The results are shown in Table 2 for 5.2 monosaccharide composition analysis:
The monosaccharide constitutive molar ratio of 2 sunset abelmoschus root cauline leaf Thick many candies of table and its sulphation modification product
The molar ratio of the monosaccharide of sunset abelmoschus root cauline leaf Thick many candies and its sulphation modification product composition is as shown in table 2, sunset abelmoschus root Cauline leaf Thick many candies are made of mannose, glucose, galactolipin and arabinose, wherein the ratio highest of glucose, Qi Tasan The ratio of kind sugar is relatively low.After sulphation modification, the content of glucose is declined, and mainly part sugar chain is taken by sulfate Generation.The molecular weight of sunset abelmoschus stem or bark leaf polyose and sunset abelmoschus stem or bark leaf polyose sulphation modification product be respectively 760.24kDa and 236.75kDa.In modification, Partial digestion has occurred in sunset abelmoschus stem or bark leaf polyose.
5.3 infrared spectrum analysis
As depicted in figs. 1 and 2, sunset abelmoschus root cauline leaf Thick many candies are in 3400cm-1The absorption peak of left and right shakes for the flexible of O-H keys It is dynamic, 2900cm-1The absorption peak of left and right is the stretching vibration of c h bond, is carbohydrate characteristic absorption.Sunset abelmoschus stem or bark leaf polyose sulphation Modified outcome is other than the body feature for retaining sunset abelmoschus root cauline leaf Thick many candies absorbs, in 1251cm-1Place occur it is apparent not The absorption peak of symmetrical S=O stretching vibrations and in 820cm-1The stretching vibration absorption peak of the C-O-S at place, shows on sugar chain Introduce sulfate group, sulphation modification success.
5.4 proliferation of splenocytes are analyzed
The proliferation of splenocytes experimental result of sunset abelmoschus root cauline leaf Thick many candies and its sulphation modification product is as shown in Figure 3. A is represented compared with the control group in figure, humidification significant difference (p < 0.05);B represents that compared with the control group, enhancing is made in figure With difference extremely significantly (p < 0.01);C is represented compared with the control group in figure, and humidification difference is extremely significantly (p < 0.001);Figure Middle e represents that compared with SLAMP-a groups humidification difference is extremely significantly (p < 0.01);F is represented compared with SLAMP-a groups in figure, Humidification extremely significant difference (p < 0.001).
The proliferation index of control group is 0.998, and positive group is 1.744.
From the figure 3, it may be seen that compared with the control group, sunset abelmoschus root cauline leaf Thick many candies cannot pierce in 25~200 μ g/mL concentration ranges Swash the proliferation of splenic lymphocytes, and sunset abelmoschus stem or bark leaf polyose sulphation modification product has significant promotion spleen lymphocyte proliferation Effect.Sunset abelmoschus root cauline leaf Thick many candies in 100 μ g/ml dosage with most strong proliferation function, proliferation index 1.472, Proliferation index is minimum during 25 μ g/ml, is 1.267, and the highest stimulus index before modifying is only 1.079, is achieved extraordinary Technique effect.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique People understands the content of present invention and is implemented, and it is not intended to limit the scope of the present invention, all real according to spirit of the invention The equivalent change or modification that matter is done should all cover within the scope of the present invention.

Claims (4)

  1. A kind of 1. solution of sunset abelmoschus stem or bark leaf polyose sulphation modification product, which is characterized in that sunset abelmoschus stem or bark leaf polyose sulphation Sulfate content is 24.79% in modified outcome, polyoses content 52.10%, and polysaccharide is 0.45 by molar ratio:18.96:1.0: 0.53 mannose, glucose, galactolipin and arabinose composition;The solution of sunset abelmoschus stem or bark leaf polyose sulphation modification product A concentration of 25~200 μ g/mL;
    The preparation method of sunset abelmoschus stem or bark leaf polyose sulphation modification product includes the following steps:
    (1) dregs of a decoction after the extraction of sunset abelmoschus root cauline leaf ethyl alcohol are taken, add in the water of the dregs of a decoction 10~30 times of volumes of weight, refluxing extraction 2~3 Secondary, 1~2 hour every time, filtering, merging filtrate was concentrated under reduced pressure;Sevag method removing proteins, centrifugation, take supernatant, add in anhydrous second Alcohol, alcohol precipitation is overnight, filters, takes precipitation, washed successively with absolute ethyl alcohol, acetone, ether, dries, obtains sunset abelmoschus root cauline leaf Thick many candies;
    (2) classification of sunset abelmoschus root cauline leaf Thick many candies
    The sunset abelmoschus root cauline leaf Thick many candies that step (1) is prepared are weighed, adds distillation water dissolution, is loaded onto in DEAE-52 chromatographic columns, With 0.0,0.1,0.3,0.5mol/L NaCl solution gradient elutions, and polyoses content is detected using phend-sulphuric acid, received respectively Collect different eluting peaks, be concentrated under reduced pressure, dialysis finally by dialyzate vacuum freeze drying, obtains sunset abelmoschus stem or bark leaf polyose;
    (3) sulphation modification of sunset abelmoschus stem or bark leaf polyose
    The sunset abelmoschus stem or bark leaf polyose that step (2) is taken to be prepared, is modified using sulfamic acid method:Accurately weigh sunset abelmoschus stem or bark Leaf polyose, at ambient temperature stirring are dissolved in dimethylformamide, add in sulfamic acid, be stirred to react in 80~90 DEG C;Instead After answering, ice-water bath is cooled to room temperature, and adjusts pH to neutrality with NaOH, dialysis takes dialyzate, concentrates, and freeze-drying obtains sunset abelmoschus root Stem leaf polysaccharide sulphation modification product.
  2. 2. the preparation method of the solution of sunset abelmoschus stem or bark leaf polyose sulphation modification product described in claim 1, which is characterized in that The preparation method of sunset abelmoschus stem or bark leaf polyose sulphation modification product includes the following steps:
    (1) dregs of a decoction after the extraction of sunset abelmoschus root cauline leaf ethyl alcohol are taken, add in the water of the dregs of a decoction 10~30 times of volumes of weight, refluxing extraction 2~3 Secondary, 1~2 hour every time, filtering, merging filtrate was concentrated under reduced pressure;Sevag method removing proteins, centrifugation, take supernatant, add in anhydrous second Alcohol, alcohol precipitation is overnight, filters, takes precipitation, washed successively with absolute ethyl alcohol, acetone, ether, dries, obtains sunset abelmoschus root cauline leaf Thick many candies;
    (2) classification of sunset abelmoschus root cauline leaf Thick many candies
    The sunset abelmoschus root cauline leaf Thick many candies that step (1) is prepared are weighed, adds distillation water dissolution, is loaded onto in DEAE-52 chromatographic columns, With 0.0,0.1,0.3,0.5mol/L NaCl solution gradient elutions, and polyoses content is detected using phend-sulphuric acid, received respectively Collect different eluting peaks, be concentrated under reduced pressure, dialysis finally by dialyzate vacuum freeze drying, obtains sunset abelmoschus stem or bark leaf polyose;
    (3) sulphation modification of sunset abelmoschus stem or bark leaf polyose
    The sunset abelmoschus stem or bark leaf polyose that step (2) is taken to be prepared, is modified using sulfamic acid method:Accurately weigh sunset abelmoschus stem or bark Leaf polyose, at ambient temperature stirring are dissolved in dimethylformamide, add in sulfamic acid, be stirred to react in 80~90 DEG C, instead After answering, ice-water bath is cooled to room temperature, and adjusts pH to neutrality with NaOH, dialysis takes dialyzate, concentrates, and freeze-drying obtains sunset abelmoschus root Stem leaf polysaccharide sulphation modification product.
  3. 3. the preparation method of the solution of sunset abelmoschus stem or bark leaf polyose sulphation modification product according to claim 2, feature It is, step (3) accurately weighs sunset abelmoschus stem or bark leaf polyose 40mg, stirs 30min at ambient temperature, is dissolved in 15mL dimethyl methyls In amide, 120mg sulfamic acids are added in, are stirred to react 3h in 80 DEG C, after reaction, ice-water bath is cooled to room temperature, and uses NaOH PH is adjusted to neutrality, dialyses 3 days, takes dialyzate, concentrate, freeze-drying obtains sunset abelmoschus stem or bark leaf polyose sulphation modification product.
  4. 4. the solution of sunset abelmoschus stem or bark leaf polyose sulphation modification product described in claim 1 improves the drug of immunity preparing Or the application in health products.
CN201610409994.1A 2016-06-12 2016-06-12 With immunocompetent sunset abelmoschus stem or bark leaf polyose sulphation modification product of raising and preparation method thereof Expired - Fee Related CN105859907B (en)

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