CN106706780A - Detection method for thiamphenicol and kit - Google Patents

Detection method for thiamphenicol and kit Download PDF

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Publication number
CN106706780A
CN106706780A CN201611112562.0A CN201611112562A CN106706780A CN 106706780 A CN106706780 A CN 106706780A CN 201611112562 A CN201611112562 A CN 201611112562A CN 106706780 A CN106706780 A CN 106706780A
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CN
China
Prior art keywords
thiamphenicol
solution
detection method
dimethylformamide
kit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611112562.0A
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Chinese (zh)
Inventor
赵春城
徐静
吴敏芳
胡勇
蒋韦艳
刘金杰
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Wuxi Xresearch Product Design and Research Co Ltd
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Wuxi Xresearch Product Design and Research Co Ltd
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Priority to CN201611112562.0A priority Critical patent/CN106706780A/en
Publication of CN106706780A publication Critical patent/CN106706780A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N30/06Preparation

Abstract

The invention relates to the technical field of medicines and discloses a detection method for thiamphenicol and a kit. A mobile phase in a high-performance liquid chromatography adopts a mixed solution of dimethyl formamide, methyl alcohol, a monopotassium phosphate solution, a silver nitrate solution and ethyl acetate. The detection method for thiamphenicol and the kit have the advantages that the thiamphenicol can be effectively detected, valid data can be obtained by detection of water solubility of the thiamphenicol, and simultaneously the stability of the thiamphenicol also can be effectively detected, so that when the thiamphenicol is processed, the real quality of the product can be obtained; and by arrangement of pressure-reducing foam boards, pressure-reducing springs, a limiting board and limiting holes, a reagent bottle can not be broken by squeezing when being put in a main kit body, so that the condition of medicine damage is avoided.

Description

A kind of Thiamphenicol detection method and kit
Technical field
The present invention relates to pharmaceutical technology field, specially a kind of Thiamphenicol detection method and kit.
Background technology
Thiamphenicol, this product is white crystalline powder;Odorless is uncommon for sensitive bacteria such as haemophilus influenzae, large intestine angstrom The caused respiratory tract such as bacterium and Salmonella, urinary tract and enteron aisle etc. infect., also known as thiomycin, chemical entitled 1- is to first for Thiamphenicol Sulfonyl-phenyl -2- dichloro acetamide -1,3 propane diols.Its structure similar in appearance to chloramphenicol, its antimicrobial spectrum and the basic phase of chloramphenicol Seemingly.Meanwhile, it is also a kind of powerful immunodepressant, and this effect is stronger than chloramphenicol 6 times, is mainly synthesized with suppression protein It is relevant with antibody generation is suppressed.China started to try out in 1971, but due to its poorly water-soluble, formulation is restricted.It is domestic There are many families in the enterprise of current production and sales Thiamphenicol preparation, but due to previous reasons, at present clinically widely used MSM Mycin preparation is solid pharmaceutical preparation, such as tablet and capsule.
Thiamphenicol is the congener of chloramphenicol, and antimicrobial spectrum and antibacterial action are similar with chloramphenicol, has broad spectrum antimicrobial Effect, including aerobic gram-negative bacteria and gram positive bacteria, anaerobic bacteria, rickettsiae, conveyor screw and chlamydiaceae.MSM is mould Element has bactericidal action to following bacterium:Haemophilus influenzae, streptococcus pneumonia and Neisseria meningitidis.Only has suppression to following bacterium Bacterium acts on:Staphylococcus aureus, micrococcus scarlatinae, Streptococcus viridans, B groups hemolytic streptococcus, EHEC, lung The anaerobic bacterias such as scorching klebsiella, proteus mirabilis, Salmonella typhi, bacillus paratyphosus, Shigella and bacteroides fragilis. Following bacterium is generally to chloramphenicol resistance:Pseudomonas aeruginosa, acinetobacter, Enterobacter, serratia marcesens, indole-positive Proteus, methicillin-resistant Staphylococci and enterococcus spp.
Thiamphenicol it is water-soluble very poor, so at present, Thiamphenicol all simply sheet and glue are being used in clinical test Capsule, and the stability of Thiamphenicol is very poor, and product is difficult the real quality of output, at present, neither one when processing The function of the kit without reduction pressure of the Thiamphenicol of the method for detection Thiamphenicol, and carrying well, so as to lead Medicine inside causing is damaged, therefore invention a kind of reasonable and effective detection method and kit, is imperative.
The content of the invention
(One)The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of Thiamphenicol detection method and kit, possesses effective inspection Survey Thiamphenicol and the advantages of avoid kit from suffering oppression, solve can not be good detection Thiamphenicol and reduce kit The problem that interior medicine is damaged.
(Two)Technical scheme
To realize above-mentioned effective detection Thiamphenicol and avoiding kit from suffering oppression purpose, the present invention provides following technical side Case:A kind of Thiamphenicol detection method, mobile phase uses dimethylformamide, methyl alcohol, biphosphate in high performance liquid chromatography The mixed solution of potassium solution, silver nitrate solution and ethyl acetate.
Preferably, the ratio of the dimethylformamide-methanol-ethyl acetate is 34:60:20.
Preferably, the ratio of the dimethylformamide-methyl alcohol-silver nitrate solution is 25:70:15.
Preferably, the dimethylformamide-methyl alcohol-potassium dihydrogen phosphate ratio is 40:50:70.
Another technical problem to be solved by the present invention is that a kind of Thiamphenicol detection method is provided, about the detection side of material Method is as follows:
High effective liquid chromatography for measuring:
1)The mould sample of MSM is taken, precision weighing is carried out, dimethylformamide-methyl alcohol-potassium dihydrogen phosphate is subsequently adding(40: 50:70)Dissolved, and lysate is quantitatively diluted to does not have the solution containing 0.9mg in 1ml, then precision is measured 1ml, Measure 100ml to be placed into reagent bottle, the solution of 100ml is shaken up for comparison liquid.
2)The step of taking out 5mg 1)Solution, solution is dripped on reaction plate, and takes out acetate-methanol ratio and be 90:5 used as solvent, after the completion of launched and dried, be then placed into being inspected under ultraviolet lamp, then observe ultraviolet The color of the solution under light lamp and step 1)In comparison liquid color it is whether identical.
3)Take out step 1)Contrast solution and step 2)Each 10mg of reference substance solution, carry out precision weighing, weighed Cheng Hou, is then injected separately into liquid chromatograph, is analyzed detection.
4)Contrast solution 10mg is taken out, precision weighing is carried out, dimethylformamide-methyl alcohol-silver nitrate solution is subsequently adding Its ratio is 25:70:15, reaction vessel is subsequently adding, the stirring of three minutes is carried out by the stirring rod that heat is 50 degree, so The color and fusion degree of solution are observed afterwards, potassium dihydrogen phosphate 5mg is added into reaction bulb again after the completion of observation, carrying out two The stirring of minute, observes the color of its reaction.
A kind of Thiamphenicol kit, including main cartridge, the bottom of the main cartridge inwall loose with interior clamp, institute State and fixing hole is offered on interior clamp, the opposite side of the interior clamp and main cartridge has been fixedly connected with decompression cystosepiment, and two The opposite side of individual decompression cystosepiment is fixedly connected with the two ends of relief spring, is flexibly connected on the inwall of the main cartridge limited Position plate, offers the spacing hole corresponding with fixing hole on the limiting plate.
(Three)Beneficial effect
Compared with prior art, the invention provides a kind of Thiamphenicol detection method and kit, possess following beneficial Effect:
1st, a kind of Thiamphenicol detection method and kit, effectively can detect to Thiamphenicol, can be mould to MSM The water solubility of element detects effective data, while can also effective detection be made to the stability of Thiamphenicol, so that Thiamphenicol makes the product can be with the real quality of output when processing.
2nd, a kind of Thiamphenicol detection method and kit, by the cystosepiment that depressurizes, relief spring, limiting plate and spacing The setting in hole, makes reagent bottle when main cartridge is placed into, and will not be squeezed and broken, so as to avoid the situation of medicine damage.
Brief description of the drawings
Fig. 1 is a kind of Thiamphenicol detection method proposed by the present invention and kit cross-sectional view.
In figure:1 main cartridge, clamp, 3 fixing holes, 4 decompression cystosepiments, 5 relief springs, 6 limiting plates, 7 spacing holes in 2.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1, a kind of Thiamphenicol detection method, mobile phase uses dimethyl formyl in high performance liquid chromatography The mixed solution of amine, methyl alcohol, potassium dihydrogen phosphate, silver nitrate solution and ethyl acetate.Dimethylformamide-methanol-acetic acid The ratio of ethyl ester is 34:60:20, the ratio of dimethylformamide-methyl alcohol-silver nitrate solution is 25:70:15, dimethyl formyl Amine-methyl alcohol-potassium dihydrogen phosphate ratio is 40:50:70.
Another technical problem to be solved by the present invention is that a kind of Thiamphenicol detection method is provided, about the detection side of material Method is as follows:
High effective liquid chromatography for measuring:
1)The mould sample of MSM is taken, precision weighing is carried out, dimethylformamide-methyl alcohol-potassium dihydrogen phosphate is subsequently adding(40: 50:70)Dissolved, and lysate is quantitatively diluted to does not have the solution containing 0.9mg in 1ml, then precision is measured 1ml, Measure 100ml to be placed into reagent bottle, the solution of 100ml is shaken up for comparison liquid.
2)The step of taking out 5mg 1)Solution, solution is dripped on reaction plate, and takes out acetate-methanol ratio and be 90:5 used as solvent, after the completion of launched and dried, be then placed into being inspected under ultraviolet lamp, then observe ultraviolet The color of the solution under light lamp and step 1)In comparison liquid color it is whether identical.
3)Take out step 1)Contrast solution and step 2)Each 10mg of reference substance solution, carry out precision weighing, weighed Cheng Hou, is then injected separately into liquid chromatograph, is analyzed detection.
4)Contrast solution 10mg is taken out, precision weighing is carried out, dimethylformamide-methyl alcohol-silver nitrate solution is subsequently adding Its ratio is 25:70:15, reaction vessel is subsequently adding, the stirring of three minutes is carried out by the stirring rod that heat is 50 degree, so The color and fusion degree of solution are observed afterwards, potassium dihydrogen phosphate 5mg is added into reaction bulb again after the completion of observation, carrying out two The stirring of minute, observes the color of its reaction.
A kind of Thiamphenicol kit, including main cartridge 1, the bottom of the inwall of main cartridge 1 loose with interior clamp 2, lead to The setting of clamp 2 is crossed, reagent bottle is preferably placed, it is to avoid the problem of reagent bottle run-off the straight, on interior clamp 2 Fixing hole 3 is offered, by the setting of fixing hole 3, reagent bottle is limited to certain position, it is to avoid to shake.
The opposite side of interior clamp 2 and main cartridge 1 has been fixedly connected with decompression cystosepiment 4, and two phases of decompression cystosepiment 4 Two ends of the offside with relief spring 5 are fixedly connected, and by the setting of depressurize cystosepiment 4 and relief spring 5, are receiving kit Can preferably be depressurized when extruding, it is to avoid kit is oppressed and causes the damaged situation of reagent bottle, is led Limiting plate 6 is connected with the inwall of box body 1, the spacing hole 7 corresponding with fixing hole 3 is offered on limiting plate 6.
In sum, a kind of Thiamphenicol detection method and kit, effectively can detect, energy to Thiamphenicol Enough water solubilitys to Thiamphenicol detect effective data, while effective inspection also can be made to the stability of Thiamphenicol Survey, so that Thiamphenicol is when processing, make the product can be with the real quality of output, by the cystosepiment 4 that depressurizes, decompression bullet The setting of spring 5, limiting plate 6 and spacing hole 7, makes reagent bottle when main cartridge 1 is placed into, and will not be squeezed and broken, so as to avoid The situation that medicine is damaged.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (6)

1. a kind of Thiamphenicol detection method, it is characterised in that in high performance liquid chromatography mobile phase using dimethylformamide, The mixed solution of methyl alcohol, potassium dihydrogen phosphate, silver nitrate solution and ethyl acetate.
2. a kind of Thiamphenicol detection method according to claim 1, it is characterised in that the dimethylformamide-first The ratio of alcohol-ethyl acetate is 34:60:20.
3. a kind of Thiamphenicol detection method according to claim 1, it is characterised in that the dimethylformamide-first The ratio of alcohol-silver nitrate solution is 25:70:15.
4. a kind of Thiamphenicol detection method according to claim 1, it is characterised in that the dimethylformamide-first Alcohol-potassium dihydrogen phosphate ratio is 40:50:70.
5. a kind of Thiamphenicol detection method, it is characterised in that the detection method about material is as follows:
High effective liquid chromatography for measuring:
The mould sample of MSM is taken, precision weighing is carried out, dimethylformamide-methyl alcohol-potassium dihydrogen phosphate is subsequently adding(40:50: 70)Dissolved, and lysate is quantitatively diluted to does not have the solution containing 0.9mg in 1ml, then precision is measured 1ml, is being measured 100ml is placed into reagent bottle, and the solution of 100ml is shaken up for comparison liquid;
The step of taking out 5mg 1)Solution, solution is dripped on reaction plate, and it is 90 to take out acetate-methanol ratio:5 make Be solvent, after the completion of launched and dried, be then placed into being inspected under ultraviolet lamp, then observe under ultraviolet lamp Solution color and step 1)In comparison liquid color it is whether identical;
3)Take out step 1)Contrast solution and step 2)Each 10mg of reference substance solution, carry out precision weighing, after the completion of weighing, Then liquid chromatograph is injected separately into, detection is analyzed;
4)Contrast solution 10mg is taken out, precision weighing is carried out, it compares to be subsequently adding dimethylformamide-methyl alcohol-silver nitrate solution Example is 25:70:15, reaction vessel is subsequently adding, the stirring of three minutes, Ran Houguan are carried out by the stirring rod that heat is 50 degree The color and fusion degree of solution are examined, potassium dihydrogen phosphate 5mg is added into reaction bulb again after the completion of observation, carried out two minutes Stirring, observe its reaction color.
6. a kind of Thiamphenicol kit, including main cartridge(1), it is characterised in that:The main cartridge(1)The bottom activity of inwall There is interior clamp(2), the interior clamp(2)On offer fixing hole(3), the interior clamp(2)And main cartridge(1)It is relative Side has been fixedly connected with decompression cystosepiment(4), and two decompression cystosepiments(4)Opposite side and relief spring(5)Two ends It is fixedly connected, the main cartridge(1)Inwall on be connected with limiting plate(6), the limiting plate(6)On offer and fixation Hole(3)Corresponding spacing hole(7).
CN201611112562.0A 2016-12-07 2016-12-07 Detection method for thiamphenicol and kit Pending CN106706780A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843678A (en) * 2017-12-06 2018-03-27 武汉生物工程学院 A kind of method of Thiamphenicol content in thin-layer chromatography combined highly effective liquid chromatographic detection animal feed

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CN2238801Y (en) * 1995-11-02 1996-10-30 王建阳 Packing box for oral dysentery vaccine
CN203648477U (en) * 2013-12-31 2014-06-18 上海碧云天生物技术有限公司 Gel preparation kit
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843678A (en) * 2017-12-06 2018-03-27 武汉生物工程学院 A kind of method of Thiamphenicol content in thin-layer chromatography combined highly effective liquid chromatographic detection animal feed
CN107843678B (en) * 2017-12-06 2020-04-14 武汉生物工程学院 Method for detecting content of thiamphenicol in animal feed by combining thin-layer chromatography with high performance liquid chromatography

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