WO2013023338A1 - 包含金银花提取物与抗生素的药物组合物、药物试剂盒及金银花提取物的制药用途 - Google Patents
包含金银花提取物与抗生素的药物组合物、药物试剂盒及金银花提取物的制药用途 Download PDFInfo
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- WO2013023338A1 WO2013023338A1 PCT/CN2011/078331 CN2011078331W WO2013023338A1 WO 2013023338 A1 WO2013023338 A1 WO 2013023338A1 CN 2011078331 W CN2011078331 W CN 2011078331W WO 2013023338 A1 WO2013023338 A1 WO 2013023338A1
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- antibiotic
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- 0 CC(*)C[C@@]([C@@]1C=C)C(C(I)=O)=CO[C@]1OC(C(C1O)O)OC(CO)C1O Chemical compound CC(*)C[C@@]([C@@]1C=C)C(C(I)=O)=CO[C@]1OC(C(C1O)O)OC(CO)C1O 0.000 description 4
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7048—Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin, digitoxin or digoxin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/425—Thiazoles
- A61K31/428—Thiazoles condensed with carbocyclic rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/35—Caprifoliaceae (Honeysuckle family)
- A61K36/355—Lonicera (honeysuckle)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
- C07H17/04—Heterocyclic radicals containing only oxygen as ring hetero atoms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- the invention belongs to the field of pharmaceutical technology. Specifically, the present invention relates to a pharmaceutical composition comprising a honeysuckle extract and an antibiotic extracted and purified from a honeysuckle or a plant of the same origin, or a medicament for preventing and/or treating a disease caused by a bacterium. Use in. Moreover, the invention also relates to the pharmaceutical use of honeysuckle extract. Background technique
- honeysuckle is a perennial, semi-evergreen entwined woody vine of the family Lonicerae. Because the honeysuckle flower is initially white, and then turned yellow, it is named honeysuckle.
- the medicinal material honeysuckle is the honeysuckle of Lonicera edulis and the dry buds or the first flowers of the same genus.
- Honeysuckle has been praised as a good medicine for clearing away heat and detoxification since ancient times. It is one of the common heat-clearing and detoxifying drugs commonly used in traditional Chinese medicine. It has been used in clinical practice for thousands of years and is deeply loved by doctors and patients. It is sweet and cold, fragrant, sweet and cold, without hurting the stomach, and it is fragrant and fragrant. Honeysuckle can not only dispel the wind and heat, but also clear the blood poison, used in various heat and sexual diseases, such as body heat, rash, hair spots, heat sores, The symptoms such as sore throat and swelling are all significant. In modern studies, the mechanism of heat-clearing and detoxifying honeysuckle was discussed. For example, honeysuckle has obvious antipyretic and anti-inflammatory effects.
- honeysuckle extract 0.25g / kg can inhibit rat carrageenan foot swelling; injection of 30-40g / kg can reduce the degree of egg whiteness; 8g / kg, 2 times / day, also has obvious anti-exudation and anti-proliferation effects on rat croton oil granules.
- honeysuckle has an important regulatory effect on the body's immune system. Honeysuckle decoction promotes the phagocytic function of leukocytes; intraperitoneal injection of honeysuckle injection also significantly promotes the phagocytic function of inflammatory cells.
- honeysuckle extracts in combination with antibiotics to increase the sensitivity of bacteria to antibiotics.
- the object of the present invention is to provide a pharmaceutical composition
- a pharmaceutical composition comprising a honeysuckle extract and an antibiotic, wherein the honeysuckle extract is prepared from honeysuckle or a plant of the same origin, Lonicera japonica or other plants of the same genus, wherein the active ingredient is saponin acid.
- Another object of the present invention is to provide a pharmaceutical kit comprising a honeysuckle extract and an antibiotic, wherein the honeysuckle extract and the antibiotic are placed separately.
- Still another object of the present invention is to provide the use of the above pharmaceutical composition and pharmaceutical kit for the preparation of a medicament for preventing and/or treating a disease caused by bacteria.
- Still another object of the present invention is to provide a use of a honeysuckle extract containing an iridoid compound for the preparation of a medicament for reversing bacterial resistance.
- the present invention provides a pharmaceutical composition for preventing and/or treating a disease caused by a bacterium, the pharmaceutical composition comprising a honeysuckle extract containing an iridoid compound and an antibiotic; preferably, the drug
- the composition further comprises a pharmaceutically acceptable carrier and/or excipient.
- the disease caused by the prevention and/or treatment of bacteria is caused by reversing bacterial resistance to prevent and/or treat bacteria. Therefore, when the bacteria are resistant to antibiotics, the pharmaceutical composition can reverse or resist bacterial resistance.
- the present invention provides a pharmaceutical kit for preventing and/or treating a disease caused by a bacterium, comprising a separately placed honeysuckle extract containing an iridoid compound and an antibiotic.
- the kit can be used to prevent and/or treat bacteria-causing diseases in patients in need thereof The disease, wherein the honeysuckle extract and the antibiotic can be administered to the patient simultaneously, sequentially or sequentially at intervals.
- honeysuckle extract can improve, restore and / or improve the sensitivity of bacteria to antibiotics, reverse, anti-bacterial resistance to antibiotics, thereby increasing the killing or inhibition effect of antibiotics on bacteria.
- the honeysuckle extract contains a cycloether oxime compound represented by the following formula:
- Xi and X 2 represent 0, R represents H, and the compound is an open-linked sapogenin; in the formulas (2), (3), and (4), 1 and 2 are each independently represented. 11. A C1-6 lower alkyl or a C2-6 lower alkenyl.
- the main active ingredient of the above honeysuckle extract is Kailuan.
- the honeysuckle extract contains 50% by weight or more of open-linked sapogenin; preferably, the honeysuckle extract contains 70% by weight or more of open-linked sassafras acid; further preferably, The honeysuckle extract contains 80% by weight or more of the open-linked sassafras acid; most preferably, the honeysuckle extract contains 90% by weight or more of the open-linked sassafras.
- honeysuckle extract described herein can be prepared according to the method disclosed in the patent ZL200610083556.7, the disclosure of which is incorporated herein in its entirety by reference. According to a particular embodiment of the invention, the honeysuckle extract is prepared by a process comprising the following steps:
- step (1) to give the extract concentrated under normal pressure or under reduced pressure and dried to give extract, or spray dried to obtain a powder, after redissolution with water, containing not more than 95% by volume aqueous C r C 6 alkanol Performing precipitation or sedimentation to obtain a precipitate or a solution concentrate;
- the method for preparing the honeysuckle extract comprises the following steps:
- the extract obtained in the step (1) is concentrated under reduced pressure to obtain an extract, dissolved in water, filtered, and concentrated to dryness, dissolved in 95% (v/v) aqueous solution of ethanol, and distilled water is added to make the solution contain 75% ethanol. (volume/volume), filtered after standing, and the filtrate is recovered from the flow extract of ethanol;
- the preparation method further comprises purifying the eluate containing the iridoid compound obtained in the step (3) by gel chromatography;
- the preparation method further comprises purifying the eluate containing the iridoid compound obtained in the step (3) through a Sephadex LH-20 gel column, and collecting the water eluate.
- the antibiotic described herein is selected from the group consisting of ampicillin, penicillin, piperacillin, tazobactam, amoxicillin, clavulanic acid, cefazolin, cefuroxime, ceftriaxone, cefuroxime Sodium, Shupu deep, levofloxacin, cefotaxime, ceftazidime, imipenem, cefepime, cefoxitin, gentamicin, amikacin, ciprofloxacin, chloramphenicol, compound new Nomin, tetracycline, nitrofurantoin, aztreonam, ciprofloxacin, norfloxacin, ammonia, sulbactam, ticarcillin, clavulanic acid, tobramycin, star, imipenem, rice One or more of nocycline, meropenem, penicillin, oxacillin, erythromycin, vancomycin, rifampicin, and clin
- the antibiotic is ampicillin and/or erythromycin.
- the present invention provides the use of the above pharmaceutical composition and pharmaceutical kit for the preparation of a medicament for preventing and/or treating a disease caused by bacteria.
- the bacterium may be an antibiotic-resistant bacterium, preferably a multi-antibiotic-resistant bacterium; more preferably, the bacterium may be a multi-antibiotic-resistant Gram-negative bacterium; further preferably, the multiplex antibiotic resistant
- the Gram-negative bacteria of the drug are selected from the group consisting of Escherichia coli, Pseudomonas aeruginosa, Klebsiella, Acinetobacter baumannii, Proteus, Enterobacter, Haemophilus influenzae, Klebsiella pneumoniae and Kaposi. More preferably, one or more; more preferably, Escherichia coli, Pseudomonas aeruginosa, and/or Klebsiella.
- the bacterium is a Gram-positive bacterium resistant to multiple antibiotics; preferably, the multiplex-antibiotic-resistant Gram-positive bacterium is selected from the group consisting of Staphylococcus aureus and methicillin-resistant golden yellow grape ball One or more of bacteria, S. pyogenes group A, Streptococcus pneumoniae, Bacillus subtilis, Staphylococcus epidermidis; further preferably, it is methicillin-resistant Staphylococcus aureus and/or Staphylococcus aureus.
- the disease caused by the bacterium is an infection-causing disease caused by bacteria, particularly an infectious disease caused by an antibiotic-resistant bacterium, such as a digestive system infection, a blood system infection, a respiratory infection, a urinary tract infection, Central nervous system infection, bone and joint infection, ear, mastoid and sinus infection and skin soft tissue infection; preferably, the disease caused by the bacteria is a respiratory infection caused by the above antibiotic resistant bacteria;
- the disease caused by the bacteria may be a respiratory infection caused by a multi-antibiotic-resistant Gram-negative bacterium; preferably, the disease caused by the bacterium is infectious by a multi-antibiotic-resistant Gram-negative bacterium Pneumonia; further preferably, the disease caused by the bacterium is a nosocomial pneumonia caused by a multi-antibiotic-resistant Gram-negative bacterium; more preferably, the disease caused by the bacterium is a multi-antibiotic-resistant Klebs Nosocomial infectious pneumonia caused by bacilli.
- the disease caused by the bacterium is a respiratory infection caused by a multi-antibiotic-resistant Gram-positive bacterium; preferably, the disease caused by the bacterium is a pneumonia caused by a multi-antibiotic-resistant Gram-positive bacterium; further Preferably, the disease caused by the bacteria is pneumonia caused by methicillin-resistant Staphylococcus aureus.
- the present invention provides the use of an extract of a honeysuckle containing an iridoid compound for the preparation of a medicament for reversing bacterial resistance.
- honeysuckle extract can improve, restore and/or improve the sensitivity of bacteria to antibiotics, and thus can be used to prepare drugs that reverse and resist bacterial resistance. This drug is administered to patients and can reverse, combat the resistance of antibiotic-resistant bacteria (even multi-antibiotic-resistant bacteria) to antibiotics, and prevent bacterial resistance to antibiotics in patients.
- honeysuckle extract comprises an iridoid compound represented by the following structural formula:
- X 2 represents O, and R represents H;
- 1 and 2 each independently represent 11, C 1-6 lower alkyl or C 2-6 lower alkenyl.
- the honeysuckle extract contains 50% by weight or more of the open-linked saponin represented by the formula (1); further preferably, the honeysuckle extract contains 70% by weight or more of the saponin More preferably, the honeysuckle extract comprises 80% by weight or more of open-linked sassafras acid; most preferably, the honeysuckle extract comprises more than 90% by weight of Kailian-saponin.
- honeysuckle extract described herein can be prepared according to the method disclosed in the patent ZL200610083556.7, the disclosure of which is incorporated herein in its entirety by reference. According to a particular embodiment of the invention, the honeysuckle extract is prepared by a process comprising the following steps:
- step (1) obtained extract under reduced pressure to obtain a concentrated under normal pressure or extract, or spray dried to obtain a powder, after redissolution with water, containing not more than 95% by volume of C r C 6 alkanol aqueous solution Precipitating or sedimentation to obtain a precipitate or a solution concentrate;
- step (3) separating or purifying the precipitate or the solution concentrate obtained in the step (2) by chromatography, and collecting an eluate containing an iridoid compound, wherein the chromatographic method is selected from a macroporous adsorption resin column chromatography.
- a macroporous adsorption resin column chromatography One or more of normal phase silica gel chromatography and reverse phase silica gel chromatography;
- the method for preparing the honeysuckle extract comprises the following steps:
- the extract obtained in the step (1) is concentrated under reduced pressure to obtain an extract, dissolved in water, filtered, and concentrated to dryness, dissolved in 95% (v/v) aqueous solution of ethanol, and distilled water is added to make the solution contain 75% ethanol. (volume/volume), filtered after standing, and the filtrate is recovered from the flow extract of ethanol;
- the preparation method further comprises purifying the eluate containing the iridoid compound obtained in the step (3) by gel chromatography;
- the preparation method further comprises purifying the eluate containing the iridoid compound obtained in the step (3) through a Sephadex LH-20 gel column, and collecting the water eluate.
- the bacterial resistance is resistance of the bacteria to antibiotics;
- the bacterial resistance is resistance of the bacteria to various antibiotics;
- the antibiotic is selected from the group consisting of ampicillin, penicillin, piperacillin, tazobactam, amoxicillin, Clavulanic acid, cefazolin, cefuroxime, ceftriaxone, cefuroxime sodium, sulpiride, levofloxacin, cefotaxime, ceftazidime, imipenem, cefepime, cefoxitin, qingda Neomycin, amikacin, ciprofloxacin, chloramphenicol, co-trimoxazole, tetracycline, nitrofurantoin, aztreonam, ciprofloxacin, norfloxacin, amika, sulbactam, ticarcillin , one of clavulanic acid, tobramycin, stark, imipenem, minocycl
- the antibiotic is ampicillin and/or erythromycin.
- the medicament may further comprise an antibiotic; preferably, the antibiotic is selected from the group consisting of ampicillin, penicillin, piperacillin, tazobactam, amoxicillin, clavulanic acid, cefazolin, cefuroxime Xin, ceftriaxone, cefuroxime sodium, sulpiride, levofloxacin, cefotaxime, ceftazidime, imipenem, cefepime, cefoxitin, gentamicin, amikacin, cyclopropane Sand star, chloramphenicol, compound sulfamethoxazole, tetracycline, nitrofurantoin, aztreonam, ciprofloxacin, norfloxacin, amika, sulbactam, ticarcillin, clavulanic acid, tobramycin, tes One or more of stellar, imipenem, minocycline, meropenem, penicillin, oxacillin
- the inventors have extracted and purified the honeysuckle extract mainly containing the saponin from the honeysuckle medicinal materials through a large number of experiments, and found that the honeysuckle extract can be significantly improved and restored in the combined action with antibiotics. / or improve the sensitivity of multi-drug resistant bacteria to antibiotics, reverse, and resist the resistance of multi-drug resistant bacteria to antibiotics.
- the specific performance is that, after the addition of the marigold extract at the same antibiotic level, the antibiotics that originally lost their antibacterial effect due to bacterial resistance restored their antibacterial effect, thus demonstrating that the honeysuckle extract can restore or improve the resistant bacteria. Sensitivity to antibiotics, adjuvant therapy for infectious diseases caused by resistant bacteria. DRAWINGS
- Fig. 1 is an HPLC chromatogram of the honeysuckle extract N1 prepared in Example 1 of the present invention, which was determined to contain 90.67% by weight of open-linked sassafras.
- Figure 2 shows the results of an experiment in which the honeysuckle extract enhances the sensitivity of Klebsiella pneumoniae to the drug-resistant antibiotic ampicillin.
- Figure 3 shows the results of an experiment in which the honeysuckle extract enhances the sensitivity of Staphylococcus aureus to the drug-resistant antibiotic erythromycin.
- Figure 4 shows the results of the extract of honeysuckle to improve the sensitivity of Escherichia coli to the drug-resistant antibiotic ampicillin.
- Figure 5 shows the results of an experiment in which the honeysuckle extract enhances the sensitivity of P. aeruginosa to the drug-resistant antibiotic ampicillin.
- Fig. 6 is a HPLC chromatogram of the open-linked saponin standard used in the examples of the present invention, and the purity was 98.03% by weight. The best way to implement the invention
- the experimental methods in the following examples are conventional methods unless otherwise specified.
- the raw materials, reagent materials, etc. used in the following examples can be purchased from conventional biochemical reagent stores or pharmaceutical companies without special instructions. among them:
- honeysuckle medicinal materials used in the examples were purchased from Beijing Tongrentang Chain Pharmacy, and the place of origin was Henan. It was processed by Peizhou Jingyi Traditional Chinese Medicine Pieces Factory, batch number 200502014, and was identified as the Lonicera japonica Thunb. Dry flower buds.
- the open-linked saponin used in the examples which is used as a standard for the determination of the content of the extract, is prepared by the method of the patent of ZL200610083556.7 by the Natural Medicine Chemistry Laboratory of the Institute of Materia Medica, Chinese Academy of Medical Sciences, and the content is determined. 98.03% (see Figure 6 for chromatogram).
- the HPLC method was used for the determination of the content of the open-linked saponin in the honeysuckle extract, and the following instruments and conditions were specifically used:
- Instrumentation Agilent 1 100 liquid chromatograph, including quaternary pump, autosampler, DAD detector and Chemstation color program workstation;
- Reagents Chromatography with acetonitrile; purified water; analytically pure acetic acid.
- the strains used in the examples were Escherichia coli, Pseudomona aeruginosa, Klebsiella pneumoniae, gold.
- Staphylococcus aureus is a clinical isolate and is a multi-drug resistant strain. It is provided by the Clinical Laboratory of the Fourth Hospital of Jinan City, Shandong province. The drug resistance is shown in Tables 1, 2, 3, 4, and 5.
- R resistance
- S sensitive
- I mediation (moderate resistance).
- AMP ampicillin
- PIP piperacillin
- TZP piperacillin/tazobactam
- AMC amoxicillin/clavulanic acid
- CZO cefazolin
- CXM cefuroxime
- CTX cefotaxime
- CAZ ceftazidime
- CRO ceftriaxone
- IPM imipenem
- FEP cefepime
- FOX cefoxitin
- GEN gentamicin
- AMK amikacin
- CIP ciprofloxacin
- CHL chloramphenicol
- SXT compound sulfamethoxazole
- TCY tetracycline
- NIT nitrofurantoin.
- Table 3 Pseudomonas aeruginosa background material
- AK amikacin
- ATM aztreonam
- AMP ampicillin
- CRO ceftriaxone
- CLS Shupushen
- CXM cefuroxime sodium
- CAZ ceftazidime
- CTX cefotaxime
- CFP cephalosporin Piperketone
- CIP ciprofloxacin
- CN Qingda
- FEP cefepime
- LEV levo-oxygen fluoride
- NOR norfloxacin
- PIP piperacillin
- SAM amika/sulbactam
- TIM ticarcillin / clavulanic acid
- TOB refractory
- TZP stark
- IPM imipenem
- MEM meropenem.
- PEN penicillin
- OXA oxacillin
- SAM ampicillin/penicillin
- FOX cefoxitin
- GEN gentamicin
- AMK amikacin
- CIP ciprofloxacin
- VAN vancomycin
- RIF rifampicin
- SXT compound sulfamethoxazole
- TCY tetracycline
- CLI clindamycin
- NIT nitrofurantoin.
- Constant temperature incubator Shanghai Yuejin Medical Devices No. 1 Factory.
- Microplate reader Product of the Swiss company Leibo.
- honeysuckle medicinal material 500g
- coarsely pulverize it and extract it twice with 50% (vol/vol) ethanol aqueous solution with a weight of 13 times dry weight of the honeysuckle medicinal material, and extract for 1 hour each time.
- the extracts were combined, concentrated to a thick extract under reduced pressure, dissolved in 450 ml of distilled water, cooled to room temperature, allowed to stand for 24 hours, and filtered to give a clear solution.
- the clear solution was concentrated to dryness under reduced pressure, and 1600 ml of a 95% (v/v) aqueous solution of ethanol was added thereto, and the mixture was stirred well, and distilled water was slowly added thereto to make the solution contain 75% (v/v) of ethanol, allowed to stand for 24 hours, and filtered. The filtrate was collected, and the ethanol was recovered under reduced pressure to a flow extract.
- Example 2 Bacterial resistance antibiotic bacteriostatic test
- This example measures the bacteriostatic effect of the drug-resistant antibiotics of the four multi-drug resistant strains in Tables 1-4.
- the activated bacterial suspension was diluted to a concentration of 0.5 McMulster standard, and after 1:1 dilution of the MH broth medium, ⁇ was added to each well.
- the above four multiresistant antibiotic resistance from lmg / mL started to 2-fold diluted 1: 2048 (2 11), and then the stock solution and diluted with various concentrations of each antibiotic resistant Add to the wells containing the above-mentioned bacterial suspension, add ⁇ to each well, and finally record the minimum effective concentration (MIC) of each antibiotic.
- a bacterial control i.e., bacterial solution plus an equal volume of culture medium
- a blank medium control were set.
- the microplate reader was tested at 630 nm, and the inhibition rate of bacteria was calculated by Formula 2, and the obtained data was substituted into Formula 1 to calculate the specific distance, and the ratio was less than 50% of the disease rate virus dilution index.
- Half of the bacteriostatic concentration was obtained (Reed-Muench method).
- Inhibition rate (inhibition test OD value - drug control OD value) / (bacterial solution control OD value - blank white control OD value)
- the drug-resistant antibiotics in Table 5 were diluted 2-fold to 2-5 from 1 mg/mL (initial drug concentration) and added horizontally to 96-well plates at 100 ⁇ l per well. , repeat 3 wells per dilution.
- the test sample N1 of the honeysuckle extract prepared in Example 1 was diluted with PBS to a concentration of 40 mg/ml, and then diluted by 2 times (1:2, 1:4, 1:8, 1:16, 1 : 32, 1 : 64, 1 : 128 ). Then add to each well, 100 ⁇ l per well.
- antibiotic control (with blank culture solution instead of honeysuckle extract N1), bacterial control and blank medium control.
- the absorbance at 600 nm was measured on a spectrophotometer.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11870857.7A EP2743275B1 (en) | 2011-08-12 | 2011-08-12 | Pharmaceutical composition containing honeysuckle extract and antibiotics, pharmaceutical kit, and medical use of honeysuckle extract |
RU2014104754/15A RU2571281C2 (ru) | 2011-08-12 | 2011-08-12 | Фармацевтическая композиция, содержащая экстракт жимолости и антибиотик, фармацевтический набор и применение экстракта жимолости для получения лекарственных препаратов |
PCT/CN2011/078331 WO2013023338A1 (zh) | 2011-08-12 | 2011-08-12 | 包含金银花提取物与抗生素的药物组合物、药物试剂盒及金银花提取物的制药用途 |
CN201180072836.7A CN103732609B (zh) | 2011-08-12 | 2011-08-12 | 包含金银花提取物与抗生素的药物组合物、药物试剂盒及金银花提取物的制药用途 |
US14/238,448 US9849145B2 (en) | 2011-08-12 | 2011-08-12 | Pharmaceutical composition containing honeysuckle extract and antibiotics, pharmaceutical kit, and use of honeysuckle extract for preparation of drug |
JP2014525273A JP5980925B2 (ja) | 2011-08-12 | 2011-08-12 | ニンドウエキス及び抗生物質を含有する医薬組成物、医薬キット、並びに薬剤を調製するためのニンドウエキスの使用 |
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PCT/CN2011/078331 WO2013023338A1 (zh) | 2011-08-12 | 2011-08-12 | 包含金银花提取物与抗生素的药物组合物、药物试剂盒及金银花提取物的制药用途 |
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CN105585600A (zh) * | 2015-11-30 | 2016-05-18 | 江苏康缘药业股份有限公司 | 一种断氧化马钱子苷的制备方法 |
CN106511728A (zh) * | 2017-01-13 | 2017-03-22 | 承德医学院 | 一种栀子金花滴丸的制备方法 |
US10251832B2 (en) | 2017-05-26 | 2019-04-09 | Mary Kay Inc. | Cosmetic compositions and methods |
CN110438198A (zh) * | 2019-09-05 | 2019-11-12 | 湖南农业大学 | 基于草粉提取物制备抗生素的苎麻品种及器官筛选方法 |
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CN105585600A (zh) * | 2015-11-30 | 2016-05-18 | 江苏康缘药业股份有限公司 | 一种断氧化马钱子苷的制备方法 |
CN105585600B (zh) * | 2015-11-30 | 2019-03-08 | 江苏康缘药业股份有限公司 | 一种断氧化马钱子苷的制备方法 |
CN106511728A (zh) * | 2017-01-13 | 2017-03-22 | 承德医学院 | 一种栀子金花滴丸的制备方法 |
US10251832B2 (en) | 2017-05-26 | 2019-04-09 | Mary Kay Inc. | Cosmetic compositions and methods |
US10881603B2 (en) | 2017-05-26 | 2021-01-05 | Mary Kay Inc. | Cosmetic compositions and methods |
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CN110438198A (zh) * | 2019-09-05 | 2019-11-12 | 湖南农业大学 | 基于草粉提取物制备抗生素的苎麻品种及器官筛选方法 |
CN110438198B (zh) * | 2019-09-05 | 2023-07-21 | 湖南农业大学 | 基于草粉提取物制备抗生素的苎麻品种及器官筛选方法 |
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EP2743275A1 (en) | 2014-06-18 |
EP2743275B1 (en) | 2018-10-10 |
CN103732609B (zh) | 2016-08-24 |
JP5980925B2 (ja) | 2016-08-31 |
EP2743275A4 (en) | 2015-04-08 |
US20140193530A1 (en) | 2014-07-10 |
US9849145B2 (en) | 2017-12-26 |
RU2014104754A (ru) | 2015-09-20 |
CN103732609A (zh) | 2014-04-16 |
JP2014525923A (ja) | 2014-10-02 |
RU2571281C2 (ru) | 2015-12-20 |
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