CN101974063B - Method for preparing camellia saponin B2 - Google Patents

Method for preparing camellia saponin B2 Download PDF

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Publication number
CN101974063B
CN101974063B CN201010535344A CN201010535344A CN101974063B CN 101974063 B CN101974063 B CN 101974063B CN 201010535344 A CN201010535344 A CN 201010535344A CN 201010535344 A CN201010535344 A CN 201010535344A CN 101974063 B CN101974063 B CN 101974063B
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saponin
tsubaki
ethanol
preparation
reflux
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CN101974063A (en
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王峰
王琳
张发成
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NANTONG BEICHENG SCIENCE & TECHNOLOGY ENTREPRENEURIAL MANAGEMENT CO., LTD.
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Suzhou Paiteng Biomedical Technology Co Ltd
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Abstract

The invention relates to a method for preparing camellia saponin B2 which is convenient to operate, eco-friendly and energy-saving. The process comprises the following steps of: taking camellia seed residues after oil press, adding ethanol and heating and refluxing, merging reflux, filtering, taking filtrate, recycling the ethanol under reduced pressure until the ethanol is completely recycled, obtaining reflux, performing multistage countercurrent extraction by using an n-butyl alcohol-water mixed solvent with a ratio of 10:1, merging extractive, recycling the solvent under reduced pressure and concentrating, absorbing by using a macroporous adsorption resin column, eluting by using the ethanol, collecting eluent, recycling the solvent under reduced pressure and drying, adding methanol for crystallization, separating crystals, and washing and drying to prepare the camellia saponin B2. The camellia saponin B2 prepared by the method has high product purity and is easy to realize industrial production.

Description

The preparation method of a kind of Tsubaki-saponin B2
Technical field
The present invention relates to the preparation method of a kind of Tsubaki-saponin B2, especially a kind of preparation method who from plant, extracts Tsubaki-saponin B2.
Background technology
Tsubaki-saponin B2 (Camelliasaponin B2), molecular formula: C 58H 90O 26, molecular weight: 1203.333, CAS accession number: 156317-50-9.Mainly be present in the seed of plant of theaceae camellia Camellia japonical L., and raw material sources are abundant.Its molecular formula is following:
Figure BSA00000337178300011
Modern study shows that Tsubaki-saponin B2 has the stronger activity of relieving the effect of alcohol, and it is also as the raw material that synthesizes other reactive derivative simultaneously.
The seed of plant of theaceae camellia Camellia japonical L. is used to oil expression, contains a large amount of Tsubaki-saponin B2 in its waste residue.
In the prior art, still be not applicable to preparation technology's report of high purity Tsubaki-saponin B2 industrialized production.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation method who is beneficial to big production operation, Tsubaki-saponin B2 that product purity is high.
For solving the problems of the technologies described above, the present invention adopts following technical proposal:
Get the camellia seeds waste residue after the oil expression, add 60-90% alcohol heating reflux 1-3 time that its quality 4-8 doubly measures volume, each 1-2 hour, merge phegma; Filter, get filtrating, decompression recycling ethanol gets phegma to the greatest extent; The use ratio is that 10: 1 n-butanol-water mixed solvent carries out the extraction of 6-8 stage countercurrent, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 6-8, and combining extraction liquid, decompression and solvent recovery also concentrates; Be added on the macroporous adsorptive resins and adsorb, the 60-80% ethanol elution is collected 3-8 and is doubly measured the column volume elutriant, and decompression and solvent recovery is also dry; Add methanol crystallization, fractional crystallization washs, is drying to obtain.
It is 80% that reflux is used concentration of ethanol, and consumption is 6 times of amount volumes of raw materials quality.
The number of times of reflux is 2 times, each 1.5 hours.
The progression of counter-current extraction is 7 grades, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 7.
Macroporous adsorbent resin is selected from a kind of in HPD-700 type, H-50 type, the CD-180 type macroporous adsorbent resin.
It is 70% that the macroporous adsorbent resin wash-out uses concentration of ethanol.
It is 5 times of amount column volumes that the macroporous adsorbent resin wash-out uses the alcoholic acid collecting amount.
Preparation gained Tsubaki-saponin B2 can adopt following method to detect:
Test Example 1HPLC method is measured Tsubaki-saponin B2 purity
Chromatographic condition
Chromatographic column: octadecylsilane bonding glue silica gel is weighting agent; Moving phase: methanol-water (80: 20); Flow velocity: 1.0mL/min; Detect wavelength: 224nm; Column temperature: 30 ℃.
Measuring method
Precision takes by weighing Tsubaki-saponin B22mg, places the 50mL measuring bottle, adds people's methyl alcohol 20mL, and sonic oscillation makes dissolving, and methanol constant volume is drawn 10 μ L to scale, injects high performance liquid chromatograph, adopts normalization method working sample purity.
Adopt the present invention to prepare Tsubaki-saponin B2, be beneficial to big production operation, energy consumption is little, pollutes little.
To combine embodiment that the present invention is done further elaboration below, but the scope that the present invention requires to protect is not limited to following embodiment.
Embodiment
Embodiment 1
Get the camellia seeds waste residue 10Kg after the oil expression, add 60% alcohol heating reflux 1 time of 40L, 1 hour, collect phegma; Filter, get filtrating, decompression recycling ethanol gets phegma to the greatest extent; The use ratio is that 10: 1 n-butanol-water mixed solvent carries out the extraction of 6 stage countercurrents, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 6, combining extraction liquid, and decompression and solvent recovery also concentrates; Be added on the HPD-700 type macroporous adsorptive resins and adsorb, 60% ethanol elution is collected 3 times of amount column volume elutriants, and decompression and solvent recovery is also dry; Add methanol crystallization, fractional crystallization washs, is drying to obtain Tsubaki-saponin B 252.3g, detecting through HPLC, purity is 95.5%, UV, IR, MS, 2HNMR, 13The data and the prior art of its physical behavior of sign such as CNMR are consistent.
Embodiment 2
Get the camellia seeds waste residue 10Kg after the oil expression, add 90% alcohol heating reflux 3 times of 80L, each 2 hours, merge phegma; Filter, get filtrating, decompression recycling ethanol gets phegma to the greatest extent; The use ratio is that 10: 1 n-butanol-water mixed solvent carries out the extraction of 8 stage countercurrents, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 8, combining extraction liquid, and decompression and solvent recovery also concentrates; Be added on the H-50 type macroporous adsorptive resins and adsorb, 80% ethanol elution is collected 8 times of amount column volume elutriants, and decompression and solvent recovery is also dry; Add methanol crystallization, fractional crystallization washs, is drying to obtain Tsubaki-saponin B 277.5g, detecting through HPLC, purity is 94.2%, UV, IR, MS, 2HNMR, 13The data and the prior art of its physical behavior of sign such as CNMR are consistent.
Embodiment 3
Get the camellia seeds waste residue 10Kg after the oil expression, add 80% alcohol heating reflux 2 times of 60L, each 1.5 hours, merge phegma; Filter, get filtrating, decompression recycling ethanol gets phegma to the greatest extent; The use ratio is that 10: 1 n-butanol-water mixed solvent carries out the extraction of 7 stage countercurrents, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 7, combining extraction liquid, and decompression and solvent recovery also concentrates; Be added on the CD-180 type macroporous adsorptive resins and adsorb, 70% ethanol elution is collected 5 times of amount column volume elutriants, and decompression and solvent recovery is also dry; Add methanol crystallization, fractional crystallization washs, is drying to obtain Tsubaki-saponin B 258.9g, detecting through HPLC, purity is 97.8%, UV, IR, MS, 2HNMR, 13The data and the prior art of its physical behavior of sign such as CNMR are consistent.

Claims (7)

1. the preparation method of a Tsubaki-saponin B2 is characterized in that described method is made up of the following step: get the camellia seeds waste residue after the oil expression, add 60-90% alcohol heating reflux 1-3 time that its quality 4-8 doubly measures volume, each 1-2 hour; Merge phegma, filter, get filtrating, decompression recycling ethanol is to most; Get phegma, the use ratio is that 10: 1 n-butanol-water mixed solvent carries out the extraction of 6-8 stage countercurrent, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 6-8; Combining extraction liquid, decompression and solvent recovery also concentrates, and is added on the macroporous adsorptive resins and adsorbs; The 60-80% ethanol elution is collected 3-8 and is doubly measured the column volume elutriant, and decompression and solvent recovery is also dry; Add methanol crystallization, fractional crystallization washs, is drying to obtain.
2. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, it is characterized in that it is 80% that said reflux is used concentration of ethanol, consumption is 6 times of amount volumes of raw materials quality.
3. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, the number of times that it is characterized in that said reflux is 2 times, each 1.5 hours.
4. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, the progression that it is characterized in that said counter-current extraction is 7 grades, and the volume ratio of liquid concentrator and the total consumption of mixed solvent is 1: 7.
5. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, it is characterized in that said macroporous adsorbent resin is selected from a kind of in HPD-700 type, H-50 type, the CD-180 type macroporous adsorbent resin.
6. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, it is characterized in that it is 70% that said macroporous adsorbent resin wash-out uses concentration of ethanol.
7. according to the preparation method of the said a kind of Tsubaki-saponin B2 of claim 1, it is characterized in that it is 5 times of amount column volumes that said macroporous adsorbent resin wash-out uses the alcoholic acid collecting amount.
CN201010535344A 2010-11-09 2010-11-09 Method for preparing camellia saponin B2 Expired - Fee Related CN101974063B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301401A (en) * 2008-06-18 2008-11-12 沈阳药科大学 Camellia effective ingredients and extracting method and use thereof
CN101392015A (en) * 2008-07-22 2009-03-25 沈阳药科大学 Triterpene saponin in camellia seeds, preparation method and medical use thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301401A (en) * 2008-06-18 2008-11-12 沈阳药科大学 Camellia effective ingredients and extracting method and use thereof
CN101392015A (en) * 2008-07-22 2009-03-25 沈阳药科大学 Triterpene saponin in camellia seeds, preparation method and medical use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Massyuki Yoshikawa et.al.Bioactive saponins and glycosides.V. acylated polyhydroxyolean-12-ene triterpene oligoglycosides, camelliasaponins A1, A2, B1, B2, C1, and C2, from the seeds of Camellia japonica L.: structures and inhibitory activity on alcohol absorption.《Chem.Pharm.Bull》.1996,第44卷(第10期),1899-1907. *

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