CN105770908A - Ginsenoside cyclodextrin inclusion compound and preparation method thereof - Google Patents

Ginsenoside cyclodextrin inclusion compound and preparation method thereof Download PDF

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Publication number
CN105770908A
CN105770908A CN201610246109.2A CN201610246109A CN105770908A CN 105770908 A CN105770908 A CN 105770908A CN 201610246109 A CN201610246109 A CN 201610246109A CN 105770908 A CN105770908 A CN 105770908A
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ginsenoside
cyclodextrin
beta
preparation
clathrate
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廖霞俐
任玉峰
王智
苏艳芳
杨波
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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    • 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
    • A61K31/7028Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
    • A61K31/7034Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
    • A61K31/704Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin

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  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
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  • General Health & Medical Sciences (AREA)
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Abstract

The invention discloses a ginsenoside cyclodextrin inclusion compound and a preparation method thereof.The compound comprises ginsenoside and cyclodextrin, wherein the molar ratio of ginsenoside to cyclodextrin is (1:2)-(1:20), the ginsenoside is ginsenoside F1 or ginsenoside Re or ginsenoside Rd or ginsenoside Rb2 or ginsenoside Rc, and the cyclodextrin is hydroxypropyl-beta-cyclodextrin or sulfobutyl ether-beta-cyclodextrin; the compound is prepared through a saturated solution method or an ultrasonic method; after ginsenoside and cyclodextrin form the compound, the solubility of the compound in water is greatly improved. The preparation method is simple and convenient to implement, mild in condition, easy to implement and capable of being used for developing novel prepartions of ginsenoside.

Description

Cyclodextrin clathrate of ginsenoside and preparation method thereof
Technical field
The invention belongs to pharmaceutical technology field, be specifically related to cyclodextrin clathrate and the preparation side thereof of five kinds of ginsenosides Method.
Background technology
Ginsenoside is triterpene saponin compounds, is primarily present in rare Chinese medicine Radix Ginseng and Radix Panacis Quinquefolii, is Their active component, has the pharmacological actions such as preferable antitumor, anti-alzheimer disease, cardiovascular disease resistant.But Radix Ginseng soap The universal poorly water-soluble of glycosides, and unstable, cause its vivo biodistribution availability low, it is impossible to play its drug action well, even Some toxic and side effects can be produced.Accordingly, it would be desirable to take the technological means of necessity it to be improved, to improve the property such as its water solublity Matter so that it is be more suitable for medicinal.
Cyclodextrin (cyclodextrin is called for short CD) is that amylose is at the cyclodextrin glucose base produced by bacillus cereus The cyclic oligosaccharide generated under transferring enzyme effect, common for α-, β-and gamma-cyclodextrin three kinds.Wherein, beta-schardinger dextrin-is due to the most Cheap and easy to get and the character of low toxicity and become study hotspot.Research shows, constitutes each D(+ of beta-schardinger dextrin-molecule)-pyrans Portugal Grape sugar is all chair conformation, and each glucose unit all connects cyclization with α-Isosorbide-5-Nitrae-glycosidic bond.Owing to connecting glucose unit Glycosidic bond can not rotate freely so that beta-schardinger dextrin-formed two openings small one and large one, the cylinder solid knot of central hollow Structure.In its cavity structure, intracavity portion defines hydrophobic interval due to the shielding action by c h bond, and all of hydroxyl Being distributed in outside molecule, big opening end is made up of C2, C3 position secondary hydroxyl, and osculum end is made up of C6 position primary hydroxyl, has stronger parent Aqueous.
After drug molecule forms clathrate with cyclodextrin and derivant thereof, medicine water-soluble can be increased, improve it stable Property, also can cover its bad smell, reduce its in gastrointestinal zest and untoward reaction the release time extending medicine and Improve the bioavailability of medicine, and there is segmented intestine targeted property.Meanwhile, application cyclodextrin inclusion technique can be prevented effectively from or reduce The use of organic solvent, surfactant and lipid.The advantage of cyclodextrin clathrate maximum is that it can change from molecular level The character of medicine and to the pharmacokinetics process of medicine almost without interference.There are about 30 kinds at present in the world containing cyclodextrin Pharmaceutical preparation lists, and the effect of cyclodextrin is mainly in these formulations: replace in injection or topical application preparation prescription Organic solvent;Improve the oral administration biaavailability of class ii and some iv class medicine;Reduce GI irritation and increase medicine Transdermal diffusivity etc..Studying through animal and human experimentation and show, cyclodextrin can improve nearly all types of drug Transmembrane transport character.
Beta-schardinger dextrin-is as one the most widely used in cyclodextrin family, but owing to its water solublity is the best so that its Application receives bigger restriction.To this end, the beta-cyclodextrin derivative of various chemical modifications arises at the historic moment.Wherein, hydroxy propyl-Beta-ring Dextrin (HP-β-CD) and sulfobutyl ether-beta-cyclodextrin (SBE-β-CD) are to transform the most successful two in beta-cyclodextrin derivative Kind, its water solublity is significantly improved relative to beta-schardinger dextrin-, and has more preferable biological safety, has the most become FDA and has criticized The accurate two kinds of cyclodextrin derivative used.
In sum, HP-β-CD or two kinds of cyclodextrin derivative of sulfobutyl ether-beta-cyclodextrin and Radix Ginseng are utilized Saponin forms clathrate, can be substantially improved the water solublity of guest molecule, to adapt it to the requirement of liquid preparation, make ginsenoside Medical value preferably played.
Summary of the invention
It is an object of the invention to provide the cyclodextrin clathrate of the ginsenoside of a kind of highly-water-soluble, this clathrate contains Ginsenoside and cyclodextrin, wherein ginsenoside includes GF1 (Ginsenoside F1), ginsenoside Re (Ginsenoside Re), ginsenoside Rd (Ginsenoside Rd), ginsenoside Rb2 (Ginsenoside Rb2) or people Ginseng saponin Rc(Ginsenoside Rc);Cyclodextrin is HP-β-CD or sulfobutyl ether-beta-cyclodextrin, and Radix Ginseng soap Glycosides is 1:2 ~ 1:20 with the mol ratio of cyclodextrin.
The chemical structural formula of described ginsenoside is as follows:
Ginsenoside of the present invention can use saturated solution inclusion method to be prepared with the clathrate of cyclodextrin, i.e. exists In the aqueous solution dissolved with HP-β-CD or sulfobutyl ether-beta-cyclodextrin, excess is added while stirring at 25~60 DEG C Ginsenoside, wherein ginsenoside is 1:1 ~ 1:10 with the mol ratio of cyclodextrin, continues lucifuge stirring 24 ~ 72 h after having added, Filtering off insoluble matter, solution decompression is evaporated the cyclodextrin clathrate i.e. obtaining ginsenoside.
Ginsenoside of the present invention can also use ultrasonic method, i.e. 25~60 DEG C of temperature with the clathrate of cyclodextrin In the range of degree, in the just cyclodextrin aqueous solution in ultrasonic, add ginsenoside, after then proceeding to lucifuge ultrasonic 1~10 h, Filtering off insoluble matter, evaporated under reduced pressure solvent i.e. obtains the pulverulent solids clathrate of ginsenoside and cyclodextrin.
Ginsenoside obtained by the present invention all uses X-ray powder diffraction to carry out table with the clathrate of cyclodextrin Levy (see accompanying drawing 3 to accompanying drawing 10).From each collection of illustrative plates it can be seen that after clathrate is formed, its powder diffraction form all becomes Change, become consistent with its host molecule i.e. HP-β-CD or sulfobutyl ether-beta-cyclodextrin.And distinguish therewith, The physical mixture (mol ratio 1:1) that ginsenoside is formed with HP-β-CD or sulfobutyl ether-beta-cyclodextrin only shows Go out the simple adduction of its two kinds of components (ginsenoside and cyclodextrin) diffraction form.This also demonstrates the formation of described clathrate.
The clathrate of the ginsenoside obtained by the present invention and cyclodextrin, its water solublity in terms of the quality of ginsenoside, its The HP-β-CD of middle GF1 or the water solublity of sulfobutyl ether-beta-cyclodextrin inclusion compound increase respectively to inclusion Water miscible 30.1 and 27.6 times of GF1 before, the HP-β-CD of Ginsenoside Rc or sulfobutyl ether-β-ring The water solublity of cyclodextrin inclusion compound increase respectively to inclusion before water miscible 1.2 and 2.3 times of Ginsenoside Rc, ginsenoside Re's The water solublity of HP-β-CD or sulfobutyl ether-beta-cyclodextrin inclusion compound increases respectively to ginsenoside Re before inclusion Water miscible 347 and 382.5 times, the HP-β-CD of ginsenoside Rd or the water of sulfobutyl ether-beta-cyclodextrin inclusion compound Dissolubility increase respectively to inclusion before water miscible 251.5 and 332 times of ginsenoside Rd, the hydroxy propyl-Beta-ring of ginsenoside Rb2 The water solublity of dextrin or sulfobutyl ether-beta-cyclodextrin inclusion compound increase respectively to inclusion before ginsenoside Rb2 water miscible 8.8 With 14.6 times.
The preparation method of clathrate of the present invention is simple and easy to do, mild condition, is suitable for industrialized production.
Accompanying drawing explanation
Fig. 1 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Rb2 and HP-β-CD inclusion;
Fig. 2 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Rb2 and sulfobutyl ether-beta-cyclodextrin inclusion;
Fig. 3 is X-ray powder diffraction (XRD) collection of illustrative plates before and after GF1 and HP-β-CD inclusion;
Fig. 4 is X-ray powder diffraction (XRD) collection of illustrative plates before and after GF1 and sulfobutyl ether-beta-cyclodextrin inclusion;
Fig. 5 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Rd and HP-β-CD inclusion;
Fig. 6 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Rd and sulfobutyl ether-beta-cyclodextrin inclusion;
Fig. 7 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Re and HP-β-CD inclusion;
Fig. 8 is X-ray powder diffraction (XRD) collection of illustrative plates before and after ginsenoside Re and sulfobutyl ether-beta-cyclodextrin inclusion;
Fig. 9 is X-ray powder diffraction (XRD) collection of illustrative plates before and after Ginsenoside Rc and HP-β-CD inclusion;
Figure 10 is X-ray powder diffraction (XRD) collection of illustrative plates before and after Ginsenoside Rc and sulfobutyl ether-beta-cyclodextrin inclusion;
In figure: A is ginsenoside;B is HP-β-CD or sulfobutyl ether-beta-cyclodextrin;C is ginsenoside and hydroxypropyl The physical mixture (mol ratio 1:1) of group-beta-cyclodextrin or sulfobutyl ether-beta-cyclodextrin;D be ginsenoside with hydroxy propyl-Beta- Cyclodextrin or the clathrate of sulfobutyl ether-beta-cyclodextrin.
Detailed description of the invention
Further the method for the invention is described below by embodiment, but scope is not by institute The restriction of row embodiment.
Embodiment 1: GF1 and the preparation of hydroxypropyl-beta-cyclodextrin inclusion
In the reaction bulb of 25 mL, add HP-β-CD (161.8 mg, 0.1 mmol) and add 20 mL distilled water Stirring, to dissolving, is subsequently adding GF1 (63.87 mg, 0.1 mmol), and at 25 DEG C, lucifuge stirs 72 h, crosses and filters Removing insoluble matter, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, is dried 24 h at vacuum drying oven, Obtain the clathrate of the solid clathrates of GF1 and HP-β-CD, obtained ginsenoside and cyclodextrin All using X-ray powder diffraction to carry out characterizing (Fig. 3), the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 2: GF1 and the preparation of sulfobutyl ether-beta-cyclodextrin inclusion compound
In the reaction bulb of 25 mL, add sulfobutyl ether-beta-cyclodextrin (700 mg, 0.5 mmol) and add 20 mL distilled water Stirring, to dissolving, is subsequently adding GF1 (63.87 mg, 0.1 mmol), ultrasonic 10 h of lucifuge at 25 DEG C, crosses and filter Removing insoluble matter, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, is dried 24 h at vacuum drying oven, Obtain the inclusion of the solid clathrates of GF1 and sulfobutyl ether-beta-cyclodextrin, obtained ginsenoside and cyclodextrin Thing all uses X-ray powder diffraction to carry out characterizing (Fig. 4), and the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 3: ginsenoside Re and the preparation of hydroxypropyl-beta-cyclodextrin inclusion
In the reaction bulb of 25 mL, add HP-β-CD (1132.6 mg, 0.7 mmol) and add 20 mL distilled water Stirring, to dissolving, is subsequently adding ginsenoside Re (94.72 mg, 0.1 mmol), and at 60 DEG C, ultrasonic 1 h of lucifuge, is filtered to remove Insoluble matter, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, is dried 24 h at vacuum drying oven, i.e. Obtaining the solid clathrates of ginsenoside Re and HP-β-CD, obtained ginsenoside is complete with the clathrate of cyclodextrin Portion uses X-ray powder diffraction to carry out characterizing (Fig. 7), and the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 4: ginsenoside Re and the preparation of sulfobutyl ether-beta-cyclodextrin inclusion compound
In the reaction bulb of 25 mL, add sulfobutyl ether-beta-cyclodextrin (1400 mg, 1 mmol) and add 20 mL distilled water and stir Mixing to dissolving, be subsequently adding ginsenoside Re (94.72 mg, 0.1 mmol), at 60 DEG C, lucifuge continues stirring 24 h, filters Removing undissolved medicine, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, at vacuum drying oven Being dried 24 h, obtain the solid clathrates of ginsenoside Re and sulfobutyl ether-beta-cyclodextrin, obtained ginsenoside sticks with paste with ring The clathrate of essence all uses X-ray powder diffraction to carry out characterizing (Fig. 8), and the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 5: ginsenoside Rd and the preparation of hydroxypropyl-beta-cyclodextrin inclusion
In the reaction bulb of 25 mL, add HP-β-CD (485.4 mg, 0.3 mmol) and add 20 mL distilled water Stirring, to dissolving, is subsequently adding ginsenoside Rd (94.72 mg, 0.1 mmol), and at 50 DEG C, lucifuge stirs 48 h, crosses and filters Removing undissolved medicine, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, does at vacuum drying oven Dry 24 h, obtain the solid clathrates of ginsenoside Rd and HP-β-CD, obtained ginsenoside and cyclodextrin Clathrate all uses X-ray powder diffraction to carry out characterizing (Fig. 5), and the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 6: ginsenoside Rd and the preparation of sulfobutyl ether-beta-cyclodextrin inclusion compound
In the reaction bulb of 25 mL, add sulfobutyl ether-beta-cyclodextrin (980 mg, 0.7 mmol) and add 20 mL distilled water Stirring, to dissolving, is subsequently adding ginsenoside Rd (94.72 mg, 0.1 mmol), and at 50 DEG C, ultrasonic 7 h of lucifuge, are filtered to remove Undissolved medicine, then the filtering with microporous membrane by 0.45 μm, filtrate is evaporated and i.e. obtains white powder, is dried at vacuum drying oven 24 h, obtain the solid clathrates of ginsenoside Rd and sulfobutyl ether-beta-cyclodextrin, obtained ginsenoside and cyclodextrin Clathrate all uses X-ray powder diffraction to carry out characterizing (Fig. 6), and the water solublity contrast before and after inclusion is shown in Table 1.
Embodiment 7: ginsenoside Rb2 and HP-β-CD or the preparation of sulfobutyl ether-beta-cyclodextrin, method is same Implementing 1, difference is that ginsenoside is 1:10 with the mol ratio of cyclodextrin, and reaction temperature is 35 DEG C;Obtained ginsenoside X-ray powder diffraction is all used to carry out characterizing (Fig. 1,2) with the clathrate of cyclodextrin, the water solublity contrast before and after inclusion It is shown in Table 1.
Embodiment 8: Ginsenoside Rc and HP-β-CD or the preparation of sulfobutyl ether-beta-cyclodextrin, method is with real Executing 1, difference is that ginsenoside is 1:5 with the mol ratio of cyclodextrin, and reaction temperature is 45 DEG C;Obtained ginsenoside and ring The clathrate of dextrin all uses X-ray powder diffraction to carry out characterizing (Fig. 9,10), and the water solublity contrast before and after inclusion is shown in Table 1。
Table 1: GF1, Rc, Re, Rd and Rb2 are formed with HP-β-CD or sulfobutyl ether-beta-cyclodextrin respectively Water solublity contrast (in terms of the quality of ginsenoside, unit: mg/mL) before and after clathrate

Claims (3)

1. the cyclodextrin clathrate of a ginsenoside, it is characterised in that: it includes ginsenoside and cyclodextrin, wherein Radix Ginseng soap Glycosides is 1:2 ~ 1:20 with the mol ratio of cyclodextrin, and ginsenoside is GF1, ginsenoside Re, ginsenoside Rd, Radix Ginseng Saponin Rb2 or Ginsenoside Rc, cyclodextrin is HP-β-CD or sulfobutyl ether-beta-cyclodextrin.
2. the preparation method of the cyclodextrin clathrate of the ginsenoside described in claim 1, it is characterised in that: use saturated solution Inclusion method prepares the cyclodextrin clathrate of ginsenoside, i.e. while stirring to dissolved with hydroxy propyl-Beta-ring at 25~60 DEG C Adding ginsenoside in the aqueous solution of dextrin or sulfobutyl ether-beta-cyclodextrin, wherein ginsenoside with the mol ratio of cyclodextrin is Should be 1:1 ~ 1:10, continue lucifuge stirring 24 ~ 72 h, filter off insoluble matter after having added, solution decompression is evaporated and i.e. obtains ginsenoside Cyclodextrin clathrate.
The preparation method of the cyclodextrin clathrate of ginsenoside the most according to claim 1, it is characterised in that: preparation process Middle employing supersound process substitutes stir process.
CN201610246109.2A 2016-04-20 2016-04-20 Ginsenoside cyclodextrin inclusion compound and preparation method thereof Pending CN105770908A (en)

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CN107950998A (en) * 2017-12-20 2018-04-24 阮小军 Improve sanguimotor natto kinase composition and its processing method
CN109771664A (en) * 2019-01-30 2019-05-21 宁夏医科大学 A kind of matrine-sulfobutyl ether beta-cyclodextrin composition and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107950998A (en) * 2017-12-20 2018-04-24 阮小军 Improve sanguimotor natto kinase composition and its processing method
CN109771664A (en) * 2019-01-30 2019-05-21 宁夏医科大学 A kind of matrine-sulfobutyl ether beta-cyclodextrin composition and preparation method thereof

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Application publication date: 20160720