CN110484588A - A method of Fusidic Acid is prepared using plant endogenesis epiphyte fermentation - Google Patents

A method of Fusidic Acid is prepared using plant endogenesis epiphyte fermentation Download PDF

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Publication number
CN110484588A
CN110484588A CN201910842694.6A CN201910842694A CN110484588A CN 110484588 A CN110484588 A CN 110484588A CN 201910842694 A CN201910842694 A CN 201910842694A CN 110484588 A CN110484588 A CN 110484588A
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China
Prior art keywords
fermentation
fusidic acid
preparing
plant endogenesis
endogenesis epiphyte
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Pending
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CN201910842694.6A
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Chinese (zh)
Inventor
娄红祥
李刚
田川
高涵
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Qingdao University
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Qingdao University
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Priority to CN201910842694.6A priority Critical patent/CN110484588A/en
Publication of CN110484588A publication Critical patent/CN110484588A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P33/00Preparation of steroids

Abstract

The invention discloses a kind of methods for preparing Fusidic Acid using plant endogenesis epiphyte fermentation, first carry out Spawn incubation to Chinese mahonia endogenetic fungus in bacterium culture medium;Carry out fermented and cultured in the fermentation medium again;Fermentation material is extracted with organic solvent, after combined extract, vacuum distillation is concentrated to get fermentation liquid medicinal extract, carries out pillar layer separation and obtains Fusidic Acid crude product;Crude product obtains Fusidic Acid sterling through chromatogram purification.The beneficial effects of the invention are as follows preparation method simplicity, and Fusidic Acid is mass produced using the bacterial strain.

Description

A method of Fusidic Acid is prepared using plant endogenesis epiphyte fermentation
Technical field
The invention belongs to technical field of chemistry, are related to a kind of side that Fusidic Acid is prepared using plant endogenesis epiphyte fermentation Method.
Background technique
Fusidic Acid is a kind of important clinical antibacterials, clinically generally using Fusidic Acid sodium salt (injection or Ointment), there is extremely strong penetration power to tissue and body fluid, plasma half-life is long when intravenously administrable, and patient tolerability is good.Drug resistance Property aspect: without cross resistance between Fusidic Acid and other antibacterials of clinical use, there is good safety.Fu Xi Ground acid can often be used with Drug combinations, collaborations such as rifampin, carbomycin, aminoglycoside, quinolones, Tetracyclines Medicine significant effect.In terms of side effect: patient is general, and tolerance is good, and major side effects have gastrointestinal discomfort, nausea, digestion occur Bad, vomiting etc..Country's report developed with separation purifying technique that ferments about Fusidic Acid is less.Country's Fusidic Acid at present Production technology yield is relatively low, and clinic most of Fusidic Acid drug in China's uses foreign import, and expensive.Therefore, A kind of method simplicity is developed, the Fusidic Acid large-scale producing method that raw material is easy to get is particularly important.
Summary of the invention
The purpose of the present invention is to provide a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation, the present invention Beneficial effect be preparation method simplicity, using the bacterial strain be mass produced Fusidic Acid.
The technical scheme adopted by the invention is that following the steps below:
(1) strain training first is carried out to Chinese mahonia endogenetic fungus Acremonium pilosumF47 in bacterium culture medium It supports;
(2) fermented and cultured is carried out in the fermentation medium again;
(3) fermentation material to be extracted with organic solvent, after combined extract, vacuum distillation is concentrated to get fermentation liquid medicinal extract, into Row pillar layer separation obtains crude product;
(4) above-mentioned crude product obtains Fusidic Acid sterling, for purity 98% or more, yield is up to 87.5mg/ through chromatographic isolation kg。
Further, bacterium culture medium is potato dextrose agar in step (1), is cultivated 3 days.
Further, step (2) fermentation medium: rice medium -80g rice, 120ml distilled water, 0.3% peptone, 500ml conical flask, 28 DEG C constant temperature stationary culture 40-50 days.
Further, organic solvent uses ethyl acetate in step (3).
Further, crude extract is crossed silica normal phase column chromatography by extraction process in step (3), and stationary phase is 200-300 mesh silicon Glue, petroleum ether and ethyl acetate mixture are mobile phase, and the isolated Fusidic Acid mixture of gradient elution collects petroleum ether: Ethyl acetate=2:1~1:2 component, is concentrated to give crude product.
Further, crude product is purified through preparative high performance liquid chromatography in step (4), and first alcohol and water is mobile phase, obtains husband The western sour sterling in ground.
Detailed description of the invention
Fig. 1 is Fusidic Acid sterling chemical formula.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Embodiment: endogenetic fungal bacterial strain: Acremonium pilosumF47;Bacterium source: it is big to be isolated from plant broad-leaved ten Contribution floral axis;Bacterium culture medium: potato dextrose agar;Fermentation medium: rice medium -80g rice, 120ml distilled water, 0.3% peptone, 500ml conical flask, 28 DEG C constant temperature stationary culture 40-50 days;It extracts: using organic solvent Ethyl acetate extracts, and obtains crude extract;Separation: column chromatographic runs, crude extract cross silica normal phase column, and stationary phase is 200-300 mesh Silica gel, petroleum ether and ethyl acetate be mobile phase, gradient elution (100:0-0:100, v/v), collect petroleum ether: ethyl acetate= 2:1~1:2 component obtains Fusidic Acid crude product;Purifying: obtained Fusidic Acid crude product is pure through preparative high performance liquid chromatography Change, first alcohol and water is mobile phase, obtains Fusidic Acid sterling.
Yield: about 87.5mg Fusidic Acid/1000g rice, 98.5% or more purity.
Fusidic Acid sterling chemical formula is as shown in Figure 1.Structural identification data is as shown in table 1.
1 carbon-13 nmr spectra of table and hydrogen modal data (400,100MHz, CDCl3,TMS,δppm)
The present invention using Chinese mahonia endogenetic fungus Acremonium pilosumF47 as engineered strain, rapid, high volume The higher Fusidic Acid of purity is prepared, and preparation process is simple, efficiently.
The above is only not to make limit in any form to the present invention to better embodiment of the invention System, any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification, Belong in the range of technical solution of the present invention.

Claims (6)

1. a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation, it is characterised in that:
(1) Spawn incubation first is carried out to Chinese mahonia endogenetic fungus Acremonium pilosum F47 in bacterium culture medium;
(2) fermented and cultured is carried out in the fermentation medium again;
(3) fermentation material is extracted with organic solvent, after combined extract, vacuum distillation is concentrated to get fermentation liquid medicinal extract, carries out color Spectrum separates to obtain crude product;
(4) crude product obtains Fusidic Acid sterling, for purity 98% or more, yield is up to 87.5mg/kg through chromatogram purification.
2. according to a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation described in claim 1, it is characterised in that: Bacterium culture medium is potato dextrose agar in the step (1), is cultivated 3 days.
3. according to a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation described in claim 1, it is characterised in that: Step (2) fermentation medium: rice medium -80g rice, 120ml distilled water, 0.3% peptone, 500ml taper Bottle, 28 DEG C constant temperature stationary culture 40-50 days.
4. according to a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation described in claim 1, it is characterised in that: Organic solvent uses ethyl acetate in the step (3).
5. according to a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation described in claim 1, it is characterised in that: Crude extract is crossed silica normal phase column chromatography by extraction process in the step (3), and stationary phase is 200-300 mesh silica gel, petroleum ether and Ethyl acetate mixture is mobile phase, and gradient elution collects petroleum ether: ethyl acetate=2:1~1:2 component, isolated husband Western ground acid crude.
6. according to a kind of method for preparing Fusidic Acid using plant endogenesis epiphyte fermentation described in claim 1, it is characterised in that: Obtained crude product is purified through preparative high performance liquid chromatography in the step (4), first alcohol and water is mobile phase, obtains Fu Xidi Sour sterling.
CN201910842694.6A 2019-09-06 2019-09-06 A method of Fusidic Acid is prepared using plant endogenesis epiphyte fermentation Pending CN110484588A (en)

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CN201910842694.6A CN110484588A (en) 2019-09-06 2019-09-06 A method of Fusidic Acid is prepared using plant endogenesis epiphyte fermentation

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080318267A1 (en) * 2004-12-17 2008-12-25 Cubist Pharmaceuticals, Inc. Methods and Compositions for Ultra-High Throughput Screening of Natural Products
US20130266645A1 (en) * 2010-10-06 2013-10-10 Justus-Liebig-Universitat Giessen Derivatives of steroid benzylamines, having an antiparasitic antibacterial, antimycotic and/or antiviral action
US20160338360A1 (en) * 2013-12-24 2016-11-24 Indigo Ag, Inc. Plants containing beneficial endophytes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080318267A1 (en) * 2004-12-17 2008-12-25 Cubist Pharmaceuticals, Inc. Methods and Compositions for Ultra-High Throughput Screening of Natural Products
US20130266645A1 (en) * 2010-10-06 2013-10-10 Justus-Liebig-Universitat Giessen Derivatives of steroid benzylamines, having an antiparasitic antibacterial, antimycotic and/or antiviral action
US20160338360A1 (en) * 2013-12-24 2016-11-24 Indigo Ag, Inc. Plants containing beneficial endophytes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
程洁等: "顶孢霉发酵液提取物清除自由基能力的研究", 《食品工业科技》 *
钱思宇等: "夫西地酸发酵培养基优化", 《河北化工》 *

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Application publication date: 20191122

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