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CN104398489A - Preparation method for nanocrystalized silybin-hydroxylapatite composite microcapsule - Google Patents

Preparation method for nanocrystalized silybin-hydroxylapatite composite microcapsule Download PDF

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Publication number
CN104398489A
CN104398489A CN201410614631.2A CN201410614631A CN104398489A CN 104398489 A CN104398489 A CN 104398489A CN 201410614631 A CN201410614631 A CN 201410614631A CN 104398489 A CN104398489 A CN 104398489A
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CN
China
Prior art keywords
silybin
silibinin
preparation
hydroxyapatite
nanocrystalized
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Pending
Application number
CN201410614631.2A
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Chinese (zh)
Inventor
陈蕾
陈敏
朱华玲
闫晓明
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Institute of Agro Products Processing of Anhui Academy of Agricultural Sciences
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Institute of Agro Products Processing of Anhui Academy of Agricultural Sciences
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Application filed by Institute of Agro Products Processing of Anhui Academy of Agricultural Sciences filed Critical Institute of Agro Products Processing of Anhui Academy of Agricultural Sciences
Priority to CN201410614631.2A priority Critical patent/CN104398489A/en
Publication of CN104398489A publication Critical patent/CN104398489A/en
Pending legal-status Critical Current

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  • Medicinal Preparation (AREA)

Abstract

The invention provides a preparation method for a nanocrystalized silybin-hydroxylapatite composite microcapsule. Nano-hydroxyapatite (HAP) with good bioavailability and bioactivity is taken as a main material, and is compounded with silybin through ion-charge interaction. The preparation method concretely comprises: preparing a silybin solution with the concentration of 5600 mu g/mL, getting 5 mL of the prepared silybin solution, adding 5 mg of nano-hydroxyapatite (HAP), performing ultrasonic processing for 20 min, uniformly shaking in a shaking table at a rotation speed of 160 r/min at a temperature of 37 DEG C, so as to obtain a maximum loading capacity of silybin after nano-hydroxyapatite is added for 10 min, and further to successfully prepare the nanocrystalized silybin-hydroxylapatite composite microcapsule. The advantages comprise that the silybin structure can be relatively ideally stabilized, the bioactivity of silybin can be relatively ideally given play, and efficient utilization of functional molecules is realized, and the preparation method has extremely important research and practical significance for functional foodstuff, health-care products and biological medicinal application.

Description

A kind of preparation method of nanorize silibinin hydroxyapatite composite micro-capsule
Technical field
The present invention relates to the preparation method of microcapsule, particularly relate to a kind of preparation method of silibinin hydroxyapatite composite micro-capsule.
Background technology
Silymarin (Silymarin) refers to a kind of flavanolignan compounds extracting gained from the seed coat of the medicinal plants of Compositae Herba Silybi mariani seed, in yellow powder, and bitter in the mouth.Its molecular formula is as follows:
Main active component has four kinds of isomerss such as silibinin (Silybin), Isosilybin (Isosilybin), Silychristin (Silychristin) and silidianin (Silydianin), and wherein silibinin content is 50%-70%.Silymarin is used for treating the history that liver and gall diseases has more than 2000 year, the damage that silibinin can prevent chemical toxicant, sitotoxin and medicine etc. from causing liver as its main active component, promote hepatocellular regeneration and reparation, be called as " natural hepatoprotective "; As powerful antioxidant, the free radical in human body can be removed, slow down aging.In recent years, due to silibinin demonstrate protect the liver with antioxidation beyond activity and receive much concern, the anticancer and tumor prevention effect that wherein silibinin shows has demonstrated good potentiality to be exploited.It is widely used in the products such as medicine, health product, foods and cosmetics.
Silibinin is the natural activity molecule with antitumor, antioxidant activity, but has poor stability, easily degraded, shortcoming that bioavailability is low, makes it be extremely restricted in the application in the field such as functional food, biomedicine.
How can comparatively ideal stable silibinin structure, play its biological activity, the efficiency utilization of practical function molecule, to functional food, health product and biomedical applications, all there is extremely important research and realistic meaning.
Summary of the invention
Technical problem to be solved of the present invention is the preparation method providing a kind of nanorize silibinin hydroxyapatite composite micro-capsule, can comparatively ideal stable silibinin structure, play its biological activity, the efficiency utilization of practical function molecule.
The present invention solves the problems of the technologies described above by the following technical solutions: a kind of preparation method of nanorize silibinin hydroxyapatite composite micro-capsule, selection has good biocompatibility, bioactive nanometer hydroxyapatite (HAP) is material of main part, carries out compound by ion, charge interaction to silibinin.
Concrete preparation method is: compound concentration is the silibinin of 5600ug/mL, get the silibinin solution 5mL prepared, and add 5mg nanometer hydroxyapatite (HAP), ultrasonic 20 minutes, shake up at the rotating speed of 160r/min, the temperature of 37 DEG C in shaking table, 10min after adding nanometer hydroxyapatite, the useful load of silibinin reaches maximum, and nanorize silibinin hydroxyapatite composite micro-capsule is successfully prepared.
The invention has the advantages that: can comparatively ideal stable silibinin structure, play its biological activity, the efficiency utilization of practical function molecule, to functional food, health product and biomedical applications, all there is extremely important research and realistic meaning.
Accompanying drawing explanation
Fig. 1 is the standard curve of silibinin.
Fig. 2 is the useful load curve of silibinin under variable concentrations.
Fig. 3 is the useful load curve of silibinin under different adsorption time.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
The making of 1 standard curve
Get 0.1mL, 0.2mL, 0.4mL, 0.8mL, 1.0mL silibinin respectively, put into 50mL volumetric flask, then add 19.9mL, 19.8mL, 19.6mL, 19.2mL, 19.0mL 75% dehydrated alcohol respectively.Be configured to the standard solution of 5ug/L, 10ug/L, 20ug/L, 40ug/L, 50ug/L respectively.The correlation coefficient r 2=0.9902 of standard curve, illustrates good relationship.
2, under variable concentrations silibinin molecule with the absorption of nanometer hydroxyapatite
Configure 50ug/mL respectively, 100ug/mL, 200ug/mL, 500ug/mL, 1000ug/mL, 1200ug/mL, 1400ug/mL, 1600ug/mL, 1800ug/mL, 2000ug/mL, 2200ug/mL, 2400ug/mL2600ug/mL, 2800ug/mL, 3000ug/mL, 3200ug/mL, 3400ug/mL, 3600ug/mL, 3800ug/mL, 4000ug/mL, 4200ug/mL, 4400ug/mL, 4600ug/mL, 5000ug/mL, 5200ug/mL, 5400ug/mL, 5600ug/mL, 5800ug/mL, the silibinin molecular solution of 6000ug/mL, therefrom take out 8mL in centrifuge tube, add 5mgHAP respectively, ultrasonic 20 minutes, at 160r/min in shaking table, 37 DEG C shake up 6h, and shake up once every the taking-up of 2h centrifuge tube.After having adsorbed, sample is placed in refrigerator and leaves standstill 12h (or centrifugal), get supernatant and carry out ultraviolet sign, it is stand-by that lower floor is placed on refrigerator.By standard curve, calculate useful load, and make correlation curve.
(1) useful load L (%)=(m1/W1) × 100%
M1: the quality of the bioactive molecule embedded in microcapsule
W1: the gross weight (being say dry state sample in theory) of complex
Useful load (mg/g): (amount of the bioactive molecule in the addition-supernatant of bioactive molecule)/complex weight
(2) from curve, when the concentration of silibinin is 5600ug/mL, useful load is most suitable is 898.78mg/g
2, under different time silibinin molecule with the absorption of nanometer hydroxyapatite
Preparation silibinin concentration is 5600ug/mL, gets solution 5mL, and adds 5mgHAP, ultrasonic 20 minutes, at 160r/min in shaking table, 37 DEG C shake up, respectively after adding HAP 0,10,20,40,60,90,120min, the supernatant 50 μ L is got in 2mL pipe after centrifugal, and add 450 μ L deionized water dilutions to do ultraviolet sign, by standard curve, calculate useful load, make correlation curve, it is stand-by that lower floor is placed on refrigerator.Horizontal survey three groups experiment.
Can find out, for HAP, at about 10min, the useful load of silibinin reaches maximum, and then along with the increase of adsorption time, useful load increased before this, then reduced.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; the any amendment done within all spirit in the invention and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in the invention.

Claims (2)

1. the preparation method of a nanorize silibinin hydroxyapatite composite micro-capsule, it is characterized in that: select that there is good biocompatibility, bioactive nanometer hydroxyapatite is material of main part, carries out compound by ion, charge interaction to silibinin.
2. the preparation method of a kind of nanorize silibinin hydroxyapatite composite micro-capsule as claimed in claim 1, it is characterized in that: concrete preparation method is: compound concentration is the silibinin of 5600ug/mL, get the silibinin solution 5mL prepared, and add 5mg nanometer hydroxyapatite (HAP), ultrasonic 20 minutes, shake up at the rotating speed of 160r/min, the temperature of 37 DEG C in shaking table, 10min after adding nanometer hydroxyapatite, the useful load of silibinin reaches maximum, and nanorize silibinin hydroxyapatite composite micro-capsule is successfully prepared.
CN201410614631.2A 2014-11-04 2014-11-04 Preparation method for nanocrystalized silybin-hydroxylapatite composite microcapsule Pending CN104398489A (en)

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CN201410614631.2A CN104398489A (en) 2014-11-04 2014-11-04 Preparation method for nanocrystalized silybin-hydroxylapatite composite microcapsule

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Application Number Priority Date Filing Date Title
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CN104398489A true CN104398489A (en) 2015-03-11

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007145395A1 (en) * 2006-06-13 2007-12-21 Han-Bul Cosmetics Co., Ltd. Method of stabilization of active ingredients that have low solubility, using hollow type multi-layered microcapsule made of hydrophobic polymer/polyhydric alcohols and preparation method thereof, and cosmetic composition containing the microcapsules
CN101557720A (en) * 2006-12-12 2009-10-14 弗门尼舍有限公司 Active ingredient delivery system with an amorphous metal salt as carrier
CN102657598A (en) * 2012-05-09 2012-09-12 上海交通大学 Porous inorganic material based oral preparation of secondary-dispersion insoluble drug and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007145395A1 (en) * 2006-06-13 2007-12-21 Han-Bul Cosmetics Co., Ltd. Method of stabilization of active ingredients that have low solubility, using hollow type multi-layered microcapsule made of hydrophobic polymer/polyhydric alcohols and preparation method thereof, and cosmetic composition containing the microcapsules
CN101557720A (en) * 2006-12-12 2009-10-14 弗门尼舍有限公司 Active ingredient delivery system with an amorphous metal salt as carrier
CN102657598A (en) * 2012-05-09 2012-09-12 上海交通大学 Porous inorganic material based oral preparation of secondary-dispersion insoluble drug and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
廖工铁 等: "《靶向给药制剂》", 31 August 1997 *

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Application publication date: 20150311