WO2014056167A1 - 一种治疗风热感冒的中药组合物及其制备方法和应用 - Google Patents

一种治疗风热感冒的中药组合物及其制备方法和应用 Download PDF

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WO2014056167A1
WO2014056167A1 PCT/CN2012/082756 CN2012082756W WO2014056167A1 WO 2014056167 A1 WO2014056167 A1 WO 2014056167A1 CN 2012082756 W CN2012082756 W CN 2012082756W WO 2014056167 A1 WO2014056167 A1 WO 2014056167A1
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weight
parts
extract
chinese medicine
medicine composition
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PCT/CN2012/082756
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English (en)
French (fr)
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张丽华
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赤峰天奇制药有限责任公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/19Acanthaceae (Acanthus family)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/31Brassicaceae or Cruciferae (Mustard family), e.g. broccoli, cabbage or kohlrabi
    • A61K36/315Isatis, e.g. Dyer's woad
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/35Caprifoliaceae (Honeysuckle family)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/51Gentianaceae (Gentian family)
    • A61K36/515Gentiana
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/71Ranunculaceae (Buttercup family), e.g. larkspur, hepatica, hydrastis, columbine or goldenseal
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • A61P31/16Antivirals for RNA viruses for influenza or rhinoviruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine

Definitions

  • the invention relates to a traditional Chinese medicine composition and a preparation method thereof, in particular to a traditional Chinese medicine composition for treating wind-heat cold and a preparation method thereof.
  • Honeysuckle is the dried flower bud of the honeysuckle plant Japonica Thunb. or the flower with the opening. Its chemical composition mainly includes organic acids, flavonoids, triterpenoid saponins and volatile oils. Chlorogenic acids are the main active constituents of honeysuckle, including chlorogenic ac id and i sochlorogenic ac id. Other organic acids are caffeic acid and palmitic acid. Pharmacological experiments show that honeysuckle has a certain inhibitory effect on a variety of pathogenic bacteria.
  • Trolliusch inensis Bunge is a perennial herb of the genus Ranunculaceae. It is used as a medicine for detoxification, antibacterial and anti-inflammatory effects. Modern pharmacological studies have shown that nasturtium has obvious inhibitory effects on Pseudomonas aeruginosa, dysentery, and Staphylococcus aureus, and has obvious protective effects on death caused by influenza virus-infected mice.
  • the small flower of the genus Gentiana is a dried flower of the gentian plant Xiaoqin ⁇ 3 ⁇ 4 2 ⁇ 3 2 ⁇ 3 dahurica Fi sch. It has the functions of heat-clearing, detoxification, cough and phlegm, and is used for lung heat cough, sore throat, and toxic heat. , hot, etc., is a commonly used medicine for Mongolian medicine. Its chemical composition studies indicate that it may contain flavonoids and their glycosides, triterpenoid saponins, ⁇ steroidal saponins, alkaloids, organic acids, tannins, sugars, proteins, and the like.
  • Radix is the dry root of Isa tis indigotica For t., which has the functions of clearing away heat and detoxifying, cooling blood and pharynx.
  • Studies on chemical constituents have shown that Radix isatidis contains alkaloids (indigo alkaloids, quinolones, alkaloids), organic acids, flavonoids, glucosinolates, sterols, polysaccharides, and amino acids.
  • Pharmacological studies have shown that Radix isatidis has a significant inhibitory effect on sputum influenza virus. Summary of the invention
  • the object of the present invention is to provide a traditional Chinese medicine composition for treating colds; Another object of the present invention is to provide a method for preparing the traditional Chinese medicine composition;
  • Another object of the present invention is to provide an application of the traditional Chinese medicine composition in the preparation of a medicament for treating wind-heat cold;
  • Another object of the present invention is to provide an application of the traditional Chinese medicine composition for preparing a medicament for inhibiting influenza virus
  • Another object of the present invention is to provide an application of the traditional Chinese medicine composition for the preparation of an anti-inflammatory drug. Another object of the present invention is to provide a method for quality detection of the traditional Chinese medicine composition.
  • a traditional Chinese medicine composition for treating wind-heat cold the raw material composition of the traditional Chinese medicine composition is: honeysuckle 400-800 parts by weight, golden lotus, 400-800 parts by weight
  • the traditional Chinese medicine composition of the present invention preferably has a drug substance composition of:
  • the traditional Chinese medicine composition of the present invention is preferably:
  • the traditional Chinese medicine composition of the present invention is preferably:
  • the traditional Chinese medicine composition of the present invention is preferably:
  • the traditional Chinese medicine composition of the present invention is preferably:
  • the preparation method of the traditional Chinese medicine composition of the invention is as follows: taking the raw material medicine in proportion and extracting with an organic solvent
  • the organic solvent is ethanol or decyl alcohol; further preferably, the organic solvent is 50-90% ethanol;
  • the extraction solvent is used in an amount of 5-10 times (volume/weight); the number of extractions is 2-4 times, 1-3 hours each time; further preferably, the extraction solvent is used in an amount of 7 times (volume/weight); The number of extractions is 3 times, 1 hour each time.
  • the traditional Chinese medicine composition of the present invention can also be prepared as follows: the raw material medicine is taken in proportion and prepared by water extraction and alcohol precipitation; wherein the alcohol precipitation concentration is 40-90%.
  • the alcohol precipitation concentration is 60%;
  • the extraction solvent is used in an amount of 5-10 times (vol/vol); the number of extractions is 2-4 times, 1-3 hours each time; further preferably, the extraction solvent is used in an amount of 6 times (volume/weight) ); The number of extractions is 3 times, 1 hour each time.
  • the traditional Chinese medicine composition of the present invention can also be prepared according to the following method: the raw material medicine is taken in proportion, wherein the honeysuckle, the golden lotus flower and the small gentiana flower are combined and extracted by using an organic solvent to obtain the extract A; the radix is prepared by the water extraction and alcohol precipitation method alone. B; Combine the extracts A and B, that is.
  • concentration of the alcohol is 40-90%, preferably 60%;
  • the organic solvent is 50-90% ethanol; the extraction solvent is used in an amount of 5-10 times (vol/vol); the number of extractions is 2-4 times, each time 1-3 hours; further preferably, the extraction solvent The amount is 6 times (volume/weight); the number of extractions is 3 times, 1 hour each time.
  • the traditional Chinese medicine composition of the present invention can be prepared into a clinically acceptable dosage form such as granules, tablets, powders, capsules, pills, oral liquids, etc. according to a conventional process.
  • Fillers include: starch, pregelatinized starch, lactose, mannitol, quercetin, microcrystalline cellulose, sucrose, etc.; disintegrants include: starch, pregelatinized starch, microcrystalline cellulose, sodium carboxymethyl starch , cross-linked polyvinylpyrrolidone, low-substituted hydroxypropylcellulose, croscarmellose sodium, etc.; lubricants include: magnesium stearate, sodium lauryl sulfate, talc, silica, etc.;
  • the agent includes: polyvinylpyrrolidone, microcrystalline cellulose, sucrose, agar, hydroxypropyl fluorenyl cellulose, etc.; binder includes: starch syrup, polyvinylpyrrolidone, hydroxypropyl fluorenyl cellulose, etc.; sweeteners include : Sodium saccharin, aspartame, sucrose, cyclamate, glycyrrhetinic
  • the traditional Chinese medicine composition for treating wind-heat flu can also adopt the extracts of honeysuckle, nasturtium, scutellaria, and radix isatidis in addition to the forms of honeysuckle, nasturtium, scutellaria, and radix radix.
  • the site is in the form of a feed, and thus the present invention further discloses a traditional Chinese medicine composition for treating a wind-heat cold:
  • a traditional Chinese medicine composition for treating wind-heat flu the raw material composition of the traditional Chinese medicine composition is: honeysuckle extract 400-800 parts by weight of nasturtium extract 400-800 parts by weight of small geranium flower extract 100-300 parts by weight of radix isatidis 700-1300 parts by weight.
  • the traditional Chinese medicine composition of the present invention preferably has a drug substance composition of:
  • the traditional Chinese medicine composition of the present invention preferably has a drug substance composition of:
  • the traditional Chinese medicine composition of the present invention preferably has a drug substance composition of:
  • the honeysuckle extract, the golden lotus extract, the genus Rhododendron extract, and the Radix isatidis extract of the present invention may be, but not limited to, an ethanol extract or an extract of water extract; the ethanol extract or the water extract and alcohol extract may also be Further refined and purified, such as a macroporous resin column.
  • the extraction ethanol concentration is 50-90%, the solvent amount is 5-10 times (volume/weight); the extraction times are 2-4 times, each time 1-3 hours;
  • the extraction solvent is used in an amount of 5-10 times (volume/weight); the extraction times are 2-4 times, each time 1-3 hours; and the alcohol precipitation concentration is 40-90%.
  • the water extraction and alcohol precipitation method of the present invention means that in the water extract concentrate of the traditional Chinese medicine, ethanol is added to achieve the specified alcohol content (ie, the alcohol concentration), and the solubility of some components in the alcohol solution is lowered to precipitate and precipitate, and filtered.
  • the quality detecting method of the preparation of the traditional Chinese medicine composition of the invention is:
  • A chromatographic conditions: using octadecylsilane bonded silica as a filler; acetonitrile - 0.4% phosphoric acid solution Elution for flow equality; detection wavelength is 300-350nm; theoretical plate number should be not less than 3000 according to chlorogenic acid peak;
  • test solution Take the preparation of the traditional Chinese medicine composition of the present invention, extract it with a decyl alcohol solution, extract the liquid, evaporate it, dissolve the sterol, and obtain;
  • D. Determination method Take the reference solution and the test solution into the liquid chromatograph separately and measure according to high performance liquid chromatography.
  • the chlorogenic acid (C 16H 1809 ) content of the preparation of the traditional Chinese medicine composition of the present invention corresponding to 12 g of raw medicinal material is not less than 30 mg.
  • the mobile phase is 5-15: 95-85 acetonitrile-0.4% phosphoric acid solution; the detection wavelength is 327 nm.
  • the quality detecting method of the preparation of the traditional Chinese medicine composition of the present invention is preferably:
  • test solution Take the preparation of the composition of the present invention, take about O. lg, precision weighing, precision addition of sterol 25 mL, weigh the weight, sonicate for 20 minutes, take out, let cool, then weigh Weight, use sterol to make up the lost weight, shake the hook, filter; Precisely take 10mL of filtrate, evaporate in water bath, add 50% sterol to the residue to dissolve, transfer to 10mL volumetric flask, add 50% sterol to Scale, shake, filter, pay;
  • the honeysuckle of the present invention is a dried flower bud or a flower with an initial opening of Lonicera Lo 'cera japonica Thunb.; conforms to the relevant provisions of the Chinese Pharmacopoeia 2010 edition (a) 205 pages of honeysuckle; ;
  • the golden lotus is a dried flower of the genus Trollius chinensis Bge., which is in accordance with the "Drug Medicine Standard of the People's Republic of China” (1998). Provision; when used, remove impurities;
  • the Xiaoqinhua flower is a dried flower of Gentiana dahurica Fisch. of the gentian plant; it complies with the relevant provisions of the "National Medicine Standards of the People's Republic of China” (Medical Medicine) (1998), page 5, Xiaoqinhuahua; Remove impurities;
  • the Radix Isatidis is the dried root of the cruciferous plant Indigo Isatis indigoti ⁇ ort; it complies with the Chinese Pharmacopoeia 2010 edition (Part 1), 191 pages, the relevant provisions under the Ban GmbH; remove impurities during use, wash, run through, cut Thick slices, dry.
  • compositions of the invention have significant antiviral, antipyretic, analgesic and anti-inflammatory effects.
  • the inhibition rate of viral pneumonia was 72.3%, which was significantly better than that of the model group (PO.05), and significantly prolonged the survival time of mice infected with influenza virus. It also had obvious antipyretic effect on the increase of body temperature in rats. Its effect is stronger than the traditional Chinese medicine positive control drug Shuanghuanglian oral liquid; analgesic and anti-inflammatory experiments show that the composition of the present invention can significantly inhibit the abdominal pain writhing reaction caused by intraperitoneal injection of acetic acid (P ⁇ 0.01), and can significantly reduce the swelling of the toe of the mouse. .
  • the clinical dosage of the traditional Chinese medicine composition of the present invention is 36 crude drug/person/day, and the human body weight is calculated as 60 kg, and the clinical dose is equivalent to 0.6 g crude drug/kg.
  • Three dose levels were designed in animal studies, approximately 1/2 clinical, clinical, and 2-fold clinical, respectively.
  • the rat dose is 1.75, 3.5, 7.0g crude drug / kg
  • the mouse dose is 2.5, 5.0, lO.Og crude drug / kg, each equivalent to 0.5, 1.0, 2.0 times the clinical dose .
  • all animals were administered by gavage.
  • the granule of the composition of the invention (prepared according to the method of Example 1), which is formulated into 0.5 g crude drug / ml with distilled water;
  • Duffy (Shanghai Pudong Yingxuan Company), formulated into 2.5mg/ml with distilled water;
  • Antiviral oral solution (Hubei Wuxi Pharmaceutical Co., Ltd.) was formulated into 0.25 ml stock solution/ml with distilled water.
  • FM1 mouse influenza virus strain provided by the Pharmacology Virus Group of the Institute of Traditional Chinese Medicine, China Academy of Chinese Medical Sciences
  • the composition of the invention 10.0 crude drug / kg a total of 5 groups, 20 in each group, 10 males and 10 females.
  • Each group was administered one day before the infection of the influenza virus, and the administration volume was 0.2 ml/10 g body weight, and the administration was intragastrically once a day.
  • the animals in the other groups were lightly anesthetized with diethyl ether to obtain 15 times LD 5 .
  • the mice were infected with influenza virus droplets nasally, and each animal had a nasal volume of 35 ⁇ l to cause viral pneumonia infection.
  • the administration was continued on the day of infection and the following 3 days, for a total of 5 days.
  • the normal control group and the model group were intragastrically administered with the same volume of distilled water.
  • the fasting began, fasting for 17 ⁇ 20h, free drinking water.
  • the fasting body weight was called, and 1 h after the last administration, all animals were sacrificed by eyeball extraction, the lung weight was weighed, and the lung index and pneumonia inhibition rate (%) were calculated.
  • Lung index (PI) lung weight (g) / body weight (g) lOO
  • Pneumonia inhibition rate (%) (model group PI-drug group PI) / (model group PI - control group PI) xl00 2.2
  • Effect of the composition of the present invention on TNF- ⁇ content in lung homogenate of influenza virus-infected mice from 2.1 11 animals (36, $5) were randomly selected for lung tissue homogenate, prepared into 10% homogenate with physiological saline, centrifuged at 3000 rpm for 15 min, and the supernatant was assayed for TNF- ⁇ content by ELISA kit.
  • the protein content was determined by the BCA method, and the amount of TNF- ⁇ per mg of protein was calculated.
  • Prolongation rate (%) (survival days drug group - survival days model group) / survival days model group xlOO 3 experimental results
  • the results in Table 1 show that the lungs have significant inflammation and edema in the lungs due to pulmonary infection, and the weight of the lungs is significantly higher than that of the control group (compared with the control group PO.01).
  • the composition of the present invention has a significant inhibitory effect on viral pneumonia, and has a statistically significant difference (PO.05) compared with the model group, and the pneumonia inhibition rate is 72.3%.
  • the results indicate that the composition of the present invention has a remarkable effect of inhibiting influenza virus pneumonia.
  • Antiviral oral sputum 5.0 ml/kg 0.468 ⁇ 0.091
  • composition of the invention 10.0 0.416 ⁇ 0.054" Note: Compared with the model group** P ⁇ 0.01
  • the composition group of the present invention extended the animal death time to 13.2 days, and the elongation rate was 15.8%, which was significant compared with the model group (P ⁇ 0.05). This indicates that the composition of the present invention has a protective effect on mouse death caused by influenza virus infection.
  • Experimental example 2 Antipyretic experiment
  • the granule of the composition of the invention (prepared according to the method of Example 1) is formulated into 0.7g crude drug /ml, 0.35g crude drug /ml;
  • Aspirin effervescent tablets (AstraZeneca Pharmaceutical Co., Ltd.), formulated into 20mg/ml with distilled water;
  • Rats were randomly divided into normal control animals and model animals by body weight. Except for 10 animals in the normal control group, the remaining 60 were modeled. Before the modeling, the basal body temperature of the animals was measured for 2 consecutive days, and the average of the anus temperature measured twice was taken as the basal body temperature. The model animals were subcutaneously injected with a 15% yeast suspension in a volume of 2 ml/100 g body weight, and the normal control animals were injected with an equal volume of physiological saline. The body temperature of the rats was measured 3.5 h after the injection of yeast.
  • the modeled animals were randomly divided into 6 groups according to the increase in body temperature, which were: 1 model group, 2 aspirin 200 mg/kg group, 3 Shuanghuanglian oral solution 6 ml/kg group, 4 inventive composition 3.5 g crude drug/ Kg group, 5 compositions of the invention 7.0 g crude drug/kg group, 10 animals per group.
  • Rats in each group were intragastrically administered, and the administration volume was lml/100g.
  • the anus temperature of the rats was measured at 0.5 h, 1.0 h, 2.0 h, 3.0 h, 4.0 h, and 6.0 h after administration.
  • Each group was given a strong dose once after 3.0 hours after the first administration.
  • the normal control group and the model group were intragastrically administrated with an equal volume of distilled water.
  • Inhibition rate (%) (body temperature increase model group - body temperature increase value drug group) / body temperature increase model group l 00%
  • the results in Table 4 show that the composition of the present invention has an obvious antipyretic effect on the temperature increase of the rat-induced rat, and the 3.5 g crude drug/kg dose group is 0.5 h after the drug and 1.0 h, and the 7.0 g crude drug/kg dose group is At 6.0 h after drug administration, the body temperature of rats was significantly inhibited. The inhibition rates were 18.8%, 25.7% and 33.5%, respectively. There was significant difference between the two groups (P ⁇ 0.05, PO.01, P ⁇ 0.01). .
  • the western medicine positive drug aspirin group can significantly inhibit the increase of body temperature (PO.001) in rats from 0.5h to 6h after the drug; the antipyretic effect of Shuanghuanglian oral liquid in this experiment is not obvious.
  • composition of the present invention has a certain antipyretic effect on yeast-induced hyperthermia in rats, and its effect is stronger than that of the traditional Chinese medicine positive control drug Shuanghuangliankou liquid.
  • the granules of the composition of the invention were formulated into four concentrations with distilled water, respectively, 0.5 g crude drug/ml, 0.25 g crude drug/ml (mouse) and 0.7 g crude drug/ml, 0.35. g Raw medicine/ml (rat);
  • Aspirin effervescent tablets (AstraZeneca Pharmaceutical Co., Ltd.), formulated into 10 mg/ml (rat) and 20 mg/ml (mouse) with distilled water;
  • ICR mice male, 76. According to body weight, they were randomly divided into: 1 normal control group, 2 model group, 3 aspirin 200 mg/kg, 4 Shuanghuanglian oral solution 9 ml/kg, 5 inventive composition 2.5 g crude drug/kg, 6 inventive composition 5.0 g crude drug There are 6 groups of /kg, 12-13 in each group. Each group was intragastrically administered with 0.2 ml/lOg of the drug, administered once a day for 4 days. The normal control group and the model group were given an equal volume of distilled water. 16-18h before the last administration, fasting could not be stopped.
  • the peritoneal fluid was centrifuged at 3000 rpm for 15 min, and the supernatant was subjected to colorimetric measurement at 630 nm to read the absorbance value.
  • the standard curve was drawn with different concentrations of Evans blue as the standard, and the content of Evans blue in the peritoneal fluid was calculated.
  • the writhing inhibition rate (%) (the writhing number model group - the writhing frequency drug group) / the writhing number model group ⁇ ⁇
  • Evans blue exudation inhibition rate (Evans blue exudation model group - Evans blue exudation drug group) / Evans blue exudation model group xlOO
  • Each group was given a dose of 1 ml/100 g of body weight by intragastric administration, once a day for 3 days.
  • the normal control group and the model group were intragastrically administrated with an equal volume of distilled water. On the fourth day, the toe was swollen and the swelling test was performed. The water was fasted 16-18 hours before the test.
  • the left hind toe volume value of each rat was measured in the same manner as above as the base volume value of the toe before the modeling. Then, except for the normal control group, the left hind toes of the other groups were subcutaneously injected with Freund's complete adjuvant 0.2 ml/inflammation, and each administration group was administered once.
  • the toe of the normal control animals was injected with an equal volume of physiological saline.
  • the left hind toe volume values of the rats were measured at 1.0 h, 2.0 h, 4.0 h, and 6.0 h after administration.
  • the administration was further boosted once in each group at 3.0 h after modeling.
  • the toe solvent after inflammation in each animal was compared with its respective pre-inflamed toe volume, and the toe volume difference was calculated.
  • Toe volume difference inhibition rate (%) (toe volume difference model group - toe volume difference drug group) / toe volume difference model group xlOO
  • composition of the present invention 2.5g crude drug / kg and 5.0g crude drug / kg dose can significantly inhibit abdominal pain writhing reaction caused by intraperitoneal injection of acetic acid, the number of writhing is significantly reduced compared with the model group (PO.01), inhibition of two dose groups
  • the rates were 38.7% and 41.6%, respectively, and significantly inhibited the increase of peritoneal capillary permeability caused by acetic acid and decreased the exudation of Evans blue (compared with the model group PO.01).
  • the inhibition rates were 32.9%, 30.5, respectively. %.
  • composition of the present invention has an obvious analgesic and anti-inflammatory effect.
  • the onset time of the 7.0g crude drug/kg dose group was 2.0 h after the drug
  • the onset time of the 3.5 g crude drug/kg dose group was 4.0 h after the drug
  • the onset time of the 1.75 g crude drug/kg dose group was later. 6 h after administration.
  • the effects of the 3.5 g crude drug/kg and 7.0 g crude drug/kg dose groups were maintained at least 6 h after administration.
  • the composition of the present invention was the most effective at 6 hours after modeling in the 1.75, 3.5, and 7.0 g crude drug/kg groups, and the inhibition rates were 27.6, 32.4, and 43.2%, respectively (P ⁇ 0.01, P ⁇ 0.001 compared with the model group, respectively).
  • PO.001 shows a certain dose-effect relationship. The results indicate that the compositions of the invention have significant anti-inflammatory effects. detailed description
  • Preparation method taking the raw material medicine, adding 7 times 70% ethanol reflux three times, each time for 1 hour; combining the extract, filtering, recovering the ethanol and concentrating to a relative density of 1.30 ⁇ 1.34 (measured at 50 ° C)
  • the thick paste is dried under reduced pressure at 80 ° C or less, pulverized into fine powder, added with auxiliary materials, and mixed; dry pressed granules, co-made 1000 g, that is;
  • Preparation method Take the raw material medicine, add 5 times of 90% ethanol and reflux for 2 times, each time for 1.5 hours; combine the extracts, filter, recover the ethanol and concentrate to a relative density of 1.30 ⁇ 1.34 (measured at 50 ° C) thick Paste; Take a thick paste to dry under reduced pressure, pulverize into a fine powder, add conventional excipients, mix; dry pressed granules, tablet, that is.
  • Preparation method taking the raw material medicine, adding 10 times of 50% ethanol and refluxing for 4 times, each time for 1 hour; combining the extracts, filtering, recovering the ethanol and concentrating to a relative density of 1.30 ⁇ 1.34 (measured at 50 ° C) Paste; Take a thick paste to dry under reduced pressure, pulverize into a fine powder, add conventional excipients, mix; dry pressed granules, filled into plastic bottles, that is.
  • Preparation method taking the raw material medicine, adding 8 times of 60% ethanol and refluxing for 3 times, each time for 1 hour; combining the extracts, filtering, recovering the ethanol and concentrating to a relative density of 1.30 ⁇ 1.34 (measured at 50 ° C) Paste; thick paste according to the conventional process, adding conventional auxiliary materials to make a powder.
  • the above extract is pulverized into a fine powder, mixed, and granules are prepared according to a conventional process
  • honeysuckle extract The honeysuckle extract, the golden lotus extract, the extract of the genus Rhododendron and the extract of Radix Isatidis are respectively extracted from the honeysuckle, the nasturtium, the genus of the genus, and the radix is extracted three times with 70 times of 70% ethanol, each time for 1 hour, combined extraction
  • Honeysuckle extract 600g Golden Lotus extract 600g, Xiaoqinhua flower extract 200g, Radix Isatidis extract 1000g; Take the above extract and pulverize into fine powder, mix, and make tablets according to the conventional process;
  • honeysuckle extract, the golden lotus extract, the extract of the genus Rhododendron and the Radix isatidis extract are respectively extracted from the honeysuckle, the golden lotus, the small scorpion flower, the radix isatidis three times with 70 times ethanol, respectively, for one hour each time, combined extraction
  • Example 11 Determination of Chlorogenic Acid Content Preparation of the test solution: Take the O.lg samples of the samples of Examples 9 and 10, accurately weigh them, place them in a 25 ml volumetric flask, add sophor to sonicate for 20 min, add sterol to the mark, shake well, filter The filtrate was taken up to 3.0 ml, evaporated to dryness, and the residue was dissolved in 50% methanol to be transferred to a 10 ml volumetric flask. Add 50% sterol to the mark and shake well.
  • Chromatographic conditions column: kromasil-C18 column; mobile phase: acetonitrile -0.4% phosphoric acid solution (10:90); detection wavelength: 327 nm; flow rate lml/min.
  • Example 12 Effect of the compositions of Examples 8-10 on survival time of influenza virus-infected mice 1 Test material
  • Test articles The compositions prepared in Examples 8-10 (both lg crude drug/ml extract) were stored in an ice box at -20 ° C, and used in distilled water to prepare 0.6 g crude drug / ml.
  • Positive control drug Duffy API, purchased from Shanghai Pudong Yingxuan Company, formulated with distilled water to prepare 1.25mg/ml
  • Virus strain Influenza virus, provided by the Virus Room of the Institute of Basic Theory of China Academy of Chinese Medical Sciences.
  • Laboratory animals mouse, strain: KM, male, animal source: Beijing Weitong Lihua Experimental Animal Technology Co., Ltd., animal certificate number: SCXK (Beijing) 2007-0001.
  • test drug administration group is set to 1 dose, that is, 24g crude drug/kg; the positive drug Tamiflu dose is 50mg/kg/d, which is the clinical equivalent dose converted by body surface area.
  • Healthy KM mice weighing between 12 and 14 g were randomly divided into 6 groups: 1 normal control, 2 model group, 3 Duffy 50 mg/kg/d, 4 Example 8 group, 5 Example 9 group, 6 In the example 10 group, 12 in the control group and 21 in the other group.
  • mice Each group of mice was lightly anesthetized with diethyl ether to obtain 15 times LD 5 .
  • the mice were infected with influenza virus droplets nasally, each with a nasal volume of 60 ⁇ l, 30 ⁇ l per nostril.
  • the model group of the test, the positive drug group, and each of the extract groups of the present invention were administered by intragastric administration.
  • 2.5 Method of administration and frequency of administration, time were administered by intragastric administration.
  • Each of the extract group, the negative control and the positive control group of the present invention is administered one day before the infection of the influenza virus, twice daily by intragastric administration, once a day in the morning and afternoon, and the administration volume is 0.2 ml. /10g body weight for 5 consecutive days.
  • the negative control and the normal control group were intragastrically administered with the same volume of distilled water.
  • the average survival days of each group were recorded and the elongation rate was calculated.
  • the extension rate (%) (the number of days of survival - "the number of days of survival” / the number of days of survival)
  • the extension rate (%) (the number of days of survival - "the number of days of survival” / the number of days of survival)
  • the granule of the composition of the invention (prepared according to the method of Example 6), which is formulated into 0.5 g crude drug /ml with distilled water;
  • Duffy (Shanghai Pudong Yingxuan Company), formulated into 2.5mg/ml with distilled water;
  • Antiviral oral solution (Hubei Wuxi Pharmaceutical Co., Ltd.) was formulated into 0.25 ml stock solution/ml with distilled water.
  • FM1 mouse influenza virus strain provided by the Pharmacology Virus Group of the Institute of Traditional Chinese Medicine, China Academy of Chinese Medical Sciences
  • the composition of the present invention 5.0 crude drug / kg a total of 5 groups, 20 in each group, 10 males and 10 females.
  • Each group was administered one day before the infection of the influenza virus, and the administration volume was 0.2 ml/10 g body weight, and the administration was intragastrically once a day.
  • the animals in the other groups were lightly anesthetized with diethyl ether to obtain 15 times LD 5 .
  • the mice were infected with influenza virus droplets nasally, and each animal had a nasal volume of 35 ⁇ l to cause viral pneumonia infection.
  • the administration was continued on the day of infection and the following 3 days, for a total of 5 days.
  • the normal control group and the model group were intragastrically administered with the same volume of distilled water. After 5 days of continuous administration, the drug was stopped, and the survival of the animals was observed day by day for 15 days. Animal survival days were recorded and the elongation rate was calculated.
  • Prolongation rate (%) (survival days drug group - survival days model group) / survival days model group xlOO
  • Example 14 Method for determining the content of a composition obtained in Example 1 of the present invention
  • acetonitrile is chromatographically pure
  • water is Wahaha pure water
  • phosphoric acid and decyl alcohol are analytically pure
  • other reagents are of analytical grade.
  • Chlorogenic acid reference purchased from Carl Roth KG., Germany (Comp. No. 6385), purity: 99%
  • Sample granules of the invention (batch number: 20100203; 20100316; 20100317; 20100318). 2 Methods and results
  • Number of theoretical plates Calculated according to the peak of chlorogenic acid should not be less than 3000.
  • the composition containing no honeysuckle and the composition without honeysuckle and nasturtium are respectively prepared into granules according to a conventional process; and then according to the "2.3 Preparation method of the test solution" Honeysuckle negative solution and double negative solution without honeysuckle and nasturtium.
  • the chlorogenic acid (C 16 H 18 0 9 ) per bag should be tentatively set to be not less than 30 mg.

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Abstract

一种治疗风热感冒的中药组合物及其制备方法和应用,该中药组合物使用金银花400-800重量份、金莲花400-800重量份、小秦宄花100-300重量份、板蓝根700-1300重量份制成,或使用金银花提取物400-800重量份、金莲花提取物400-800重量份、小秦宄花提取物100-300重量份、板蓝根提取物700-1300重量份制成。其中金银花提取物、金莲花提取物、小秦宄花提取物、板蓝根提取物为乙醇提取物、水提醇沉提取物或这两种提取物进一步过大孔树脂柱得到的精制物。

Description

一种治疗风热感冒的中药组合物及其制备方法和应用 技术领域
本发明涉及一种中药组合物及其制备方法, 具体涉及一种治疗风热感冒的 中药组合物及其制备方法。 背景技术
金银花为忍冬科植物忍冬 japonica Thunb. 的干燥花蕾或带初 开的花。 其化学成分主要包括有机酸类、 黄酮类、 三萜皂苷类和挥发油等。 绿 原酸类化合物是金银花的主要有效成分,包括绿原酸(chlorogenic ac id)和异 绿原酸(i sochlorogenic ac id) , 其它有机酸还有咖啡酸和棕榈酸。 药理实验 表明金银花对多种致病菌均有一定的抑制作用。
金莲花 Trolliusch inensis Bunge为毛莨科多年生草本植物, 以花入药, 有清热解毒、 抗菌消炎作用。 近代药理研究表明, 金莲花对绿脓杆菌、 痢疾杆 菌、金黄色葡萄球菌等均有明显的抑制作用,并对流感病毒感染小鼠引起的死 亡有明显的保护作用。
小秦艽花为龙胆科植物小秦艽^¾ 2 <3 2<3 dahurica Fi sch.的干燥花, 具有 清热、 解毒、 止咳、 祛痰之功效, 用于肺热咳嗽、 咽喉肿痛、 毒热、 瘟热等, 是蒙医单复方常用药。其化学成分研究表明其可能含有黄酮类及其苷、三萜皂 苷、 <甾体皂苷、 生物碱、 有机酸、 鞣质、 糖类、 蛋白质等。
板蓝根为十字花科植物菘蓝 Isa tis indigotica For t. 的干燥根, 有清 热解毒,凉血利咽功能。 目前化学成分的研究显示板蓝根含有生物碱(靛蓝类 吲哚生物碱、 喹唑酮类生物碱)、 有机酸类化合物、 黄酮类、 芥子苷类、 甾醇 类、 多糖类、 和氨基酸等。 药理研究表明, 板蓝根对曱型流感病毒具有明显的 抑制作用。 发明内容
本发明的目的在于提供一种治疗感冒的中药组合物; 本发明另一个目的在于提供该中药组合物的制备方法;
本发明另一个目的在于提供该中药组合物在制备治疗风热感冒药物中的 应用;
本发明另一个目的在于提供该中药组合物在制备抑制流感病毒性药物中 的应用;
本发明另一个目的在于提供该中药组合物在制备抗炎药物中的应用。 本发明另一个目的在于提供该中药组合物的质量检测方法。
本发明的目的是通过如下技术方案实现的:
一种治疗风热感冒的中药组合物, 该中药组合物的原料药组成为: 金银花 400-800重量份 金莲花 400-800重量份
小秦艽花 100-300重量份 板蓝根 700-1300重量份。
本发明中药组合物, 其原料药组成优选为:
金银花 500-700重量份 金莲花 500-700重量份
小秦艽花 150-250重量份 板蓝根 800-1200重量份。
本发明中药组合物, 其原料 ;组成优选为:
金银花 550-650重量份 金莲花 550-650重量份
小秦艽花 180-220重量份 板蓝根 900-1100重量份。
本发明中药组合物, 其原料 ;组成优选为:
金银花 600重量份 金莲花 600重量份
小秦艽花 200重量份 板蓝根 1000重量份。
本发明中药组合物, 其原料 ;组成优选为:
金银花 550重量份 金莲花 650重量份
小秦艽花 180重量份 板蓝根 1100重量份。
本发明中药组合物, 其原料 ;组成优选为:
金银花 650重量份 金莲花 550重量份
板蓝根 900重量份。
本发明所述中药组合物的制备方法为: 按比例取原料药, 采用有机溶剂 提取
优选的, 所述有机溶剂为乙醇或曱醇; 进一步优选的, 所述有机溶剂为 50-90%的乙醇;
优选的, 提取溶剂用量为 5-10倍量(体积 /重量); 提取次数为 2-4次, 每次 1-3小时; 进一步优选的, 提取溶剂用量为 7倍量(体积 /重量); 提取次 数为 3次, 每次 1小时。
本发明中药组合物还可以按如下方法制备:按比例取原料药,采用水提醇 沉法制备; 其中所述醇沉浓度为 40-90%。
优选的, 所述醇沉浓度为 60%;
优选的, 所述提取溶剂用量为 5-10倍量(体积 /重量); 提取次数为 2-4 次, 每次 1-3小时; 进一步优选的, 提取溶剂用量为 6倍量(体积 /重量); 提取次数为 3次, 每次 1小时。
本发明中药组合物还可以按如下方法制备:按比例取原料药,其中金银花、 金莲花、 小秦艽花合并采用有机溶剂合并提取, 得提取物 A; 板蓝根单独采用 水提醇沉法制备得提取物 B; 合并提取物 A和 B, 即得。
其中所述醇沉浓度为 40-90%, 优选为 60%;
所述有机溶剂为 50-90%的乙醇; 所述提取溶剂用量为 5-10倍量(体积 / 重量); 提取次数为 2-4次, 每次 1-3小时; 进一步优选的, 提取溶剂用量为 6倍量(体积 /重量); 提取次数为 3次, 每次 1小时。
本发明中药组合物经提取后可按常规工艺制成颗粒剂、 片剂、散剂、胶嚢 剂、 丸剂、 口服液等临床可接受的剂型。
为使上述剂型能够实现, 需在制备这些剂型时加入药学可接受的辅料,例 如: 填充剂、 崩解剂、 润滑剂、 助悬剂、 粘合剂、 甜味剂、 矫味剂、 防腐剂、 基质等。 填充剂包括: 淀粉、 预胶化淀粉、 乳糖、 甘露醇、 曱壳素、 微晶纤维 素、 蔗糖等; 崩解剂包括: 淀粉、 预胶化淀粉、 微晶纤维素、 羧曱基淀粉钠、 交联聚乙烯吡咯烷酮、低取代羟丙纤维素、 交联羧曱基纤维素钠等; 润滑剂包 括: 硬脂酸镁、 十二烷基硫酸钠、 滑石粉、 二氧化硅等; 助悬剂包括: 聚乙烯 吡咯烷酮、 微晶纤维素、 蔗糖、 琼脂、 羟丙基曱基纤维素等; 粘合剂包括, 淀 粉浆、 聚乙烯吡咯烷酮、 羟丙基曱基纤维素等; 甜味剂包括: 糖精钠、 阿斯帕 坦、 蔗糖、 甜蜜素、 甘草次酸等; 矫味剂包括: 甜味剂及各种香精; 防腐剂包 括: 尼泊金类、 苯曱酸、 苯曱酸钠、 山梨酸及其盐类、 苯扎溴铵、 醋酸氯乙定、 桉叶油等; 基质包括: PEG6000, PEG4000, 虫蜡等。
本发明所述治疗风热感冒的中药组合物除了以金银花、金莲花、 小秦艽花 和板蓝根原药材投料的形式外, 还可以采用以金银花、金莲花、 小秦艽花和板 蓝根的提取物(有效部位)投料的形式, 因此本发明进一步公开了治疗风热感 冒的中药组合物:
一种治疗风热感冒的中药组合物, 该中药组合物的原料药组成为: 金银花提取物 400-800重量份 金莲花提取物 400-800重量份 小秦艽花提取物 100-300重量份 板蓝根提取物 700-1300重量份。 本发明中药组合物, 其原料药组成优选为:
金银花提取物 500-700重量份 金莲花提取物 500-700重量份 小秦艽花提取物 150-250重量份 板蓝根提取物 800-1200重量份。 本发明中药组合物, 其原料药组成优选为:
金银花提取物 550-650重量份 金莲花提取物 550-650重量份 小秦艽花提取物 180-220重量份 板蓝根提取物 900-1100重量份。 本发明中药组合物, 其原料药组成优选为:
金银花提取物 600重量份 金莲花提取物 600重量份 小秦艽花提取物 200重量份 板蓝根提取物 1000重量份。 本发明所述金银花提取物、金莲花提取物、 小秦艽花提取物、板蓝根提取 物可以是但不限于乙醇提取物或水提醇沉提取物;乙醇提取物或水提醇沉提取 物还可以进一步精制纯化, 如过大孔树脂柱。
所述提取用乙醇浓度为 50-90%, 溶剂用量为 5-10倍量(体积 /重量); 提 取次数为 2-4次, 每次 1-3小时;
所述水提醇沉工艺, 提取溶剂用量为 5-10倍量(体积 /重量); 提取次数 为 2-4次, 每次 1-3小时; 醇沉浓度为 40-90%。
本发明所述水提醇沉法系指在中药水提浓缩液中,加入乙醇使达到规定的 含醇量(即醇沉浓度), 某些成分在醇溶液中溶解度降低析出沉淀, 滤过, 取 乙醇溶液, 回收溶剂, 使水提液得以精制的方法。
本发明中药组合物制剂的质量检测方法为:
A、 色谱条件: 用十八烷基硅烷键合硅胶为填充剂;乙腈一 0.4%磷酸溶液 为流动相等度洗脱; 检测波长为 300-350nm; 理论板数按绿原酸峰计算应不低 于 3000;
B、对照品溶液制备: 取绿原酸对照品,加曱醇溶液溶解制成对照品溶液;
C、 供试品溶液的制备: 取本发明中药组合物制剂, 以曱醇溶液提取, 提 取液滤过, 蒸干, 曱醇溶解, 即得;
D、 测定法: 分别取对照品溶液、 供试品溶液注入液相色语仪, 照高效液 相色谱法测定, 即得。
相当于 12g生药材的本发明中药组合物制剂的绿原酸( C 16H 1809 )含量, 不得少于 30mg。
优选的, 所述流动相为 5-15: 95-85的乙腈一 0.4%磷酸溶液; 所述检测波 长为 327nm。
本发明中药组合物制剂的质量检测方法优选为:
A、色谱条件:用十八烷基硅烷键合硅胶为填充剂;以 10: 90的乙腈一 0.4% 磷酸溶液为流动相等度洗脱;检测波长为 327nm; 理论板数按绿原酸峰计算应 不低于 3000;
B、 对照品溶液制备: 取绿原酸对照品适量, 精密称定, 加 50%曱醇溶液 制成每 lmL含 5(^g的对照品溶液;
C、 供试品溶液的制备: 取本发明组合物制剂, 取约 O. lg, 精密称定, 精 密加曱醇 25 mL, 称定重量, 超声处理 20分钟, 取出, 放冷, 再称定重量, 用 曱醇补足减失的重量, 摇勾, 滤过; 精密量取续滤液 10mL , 水浴蒸干, 残渣 加 50%曱醇使溶解, 转移至 10mL量瓶中, 加 50%曱醇至刻度, 摇匀, 滤过, 即 付;
D、 测定法: 分别精密吸取对照品溶液、 供试品溶液各 10 L, 注入液相色 语仪, 照高效液相色谱法测定, 即得。
本发明所述金银花为忍冬科植物忍冬 Lo 'cera japonica Thunb. 的干燥花 蕾或带初开的花; 符合《中国药典》 2010年版 (一部) 205页金银花项下的有关 规定; 用时, 除去杂质;
所述金莲花为毛莨科植物金莲花 Trollius chinensis Bge.的干燥花; 符合 《中华人民共和国药品标准》蒙药分册( 1998年)第 30页金莲花项下的有关 规定; 用时, 除去杂质;
所述小秦充花为龙胆科植物小秦充 Gentiana dahurica Fisch.的干燥花; 符 合《中华人民共和国药品标准》 蒙药分册( 1998年) 第 5页小秦艽花项下的有 关规定; 用时, 除去杂质;
所述板蓝根为十字花科植物菘蓝 Isatis indigoti ¥ort的干燥根;符合《中 国药典》 2010年版 (一部)191页, 板蓝根项下的有关规定; 用时除去杂质, 洗 净, 润透, 切厚片, 干燥。
本发明组合物具有明显的抗病毒、 解热、镇痛抗炎作用。 对病毒性肺炎抑 制率达 72.3% , 显著优于模型组(PO.05 ), 并能显著延长流感病毒感染小鼠 的生存时间; 对酵母致大鼠体温升高亦具有明显的解热作用,其作用强于中药 阳性对照药双黄连口服液;镇痛抗炎实验表明本发明组合物能明显抑制腹腔注 射醋酸导致的腹痛扭体反应 ( P<0.01 ), 并能显著减轻小鼠足趾肿胀。
本发明中药组合物在临床上的用量为 36 生药/人/天,人的体重按 60 kg 计算, 则临床剂量相当于 0.6g生药 /kg。 在动物试验中设计为三个剂量水平, 分别约为 1/2临床量, 临床量, 2倍临床量。 按体表面积折算, 则大鼠剂量分 别为 1.75、 3.5、 7.0g生药 / kg, 小鼠剂量分别为 2.5、 5.0、 lO.Og生药 / kg, 各约相当于临床剂量的 0.5、 1.0、 2.0倍。 在每一项试验中, 所有动物均采用 灌胃给药。 附图说明
图 1 绿原酸对照品溶液高效液相色谱图
图 2 供试品溶液高效液相色谱图
图 3 不含金银花阴性溶液高效液相色谱图
图 4 不含金银花和金莲花双阴性溶液高效液相色谱图
图 5 对照品溶液标准曲线 实验例
实验例 1 抗病毒实验
1 实验材料 1.1 实险药物:
本发明组合物颗粒剂 (按实施例 1方法制备), 用蒸馏水将其配制成 0.5 g 生药 /ml;
达菲 (上海浦东英轩公司 ), 用蒸馏水将其配制成 2.5mg/ml;
抗病毒口服液(湖北午时药业股份有限公司),用蒸馏水将其配制成 0.25ml 原液 /ml。
1.2 病毒株: FM1型小鼠流感病毒株, 由中国中医科学院中药研究所药理 室病毒组提供
1.3 实验动物: ICR小鼠, 购自北京维通利华实验动物技术有限公司, 许 可证编号为 SCXK (京 ) 2006-0009
2 实验方法
2.1 本发明组合物对流感病毒感染小鼠肺指数的影响
选择体重在 13-15g之间的健康 ICR小鼠, 100只, 雌雄各半, 将动物随 机分成: ①正常对照组, ②模型组, ③ 达菲 50mg/kg, ④抗病毒口服液 5 ml/kg, ⑤本发明组合物 10.0生药 /kg共 5组, 每组 20只, 雌雄各 10只。
各组均于动物感染流感病毒之前 1天开始给药, 给药体积为 0.2ml/10g体 重, 每日灌胃给药 1次。 次日, 除正常对照组外, 其余组的动物用乙醚轻度麻 醉, 以 15倍 LD5。流感病毒液滴鼻感染小鼠, 每只动物滴鼻体积为 35μ1, 以造 成病毒性肺炎感染。 感染当天以及随后 3天继续给药, 共连续给药 5天。 正常 对照组和模型组灌胃给予同体积蒸馏水。第 4次给药当日下午开始禁食, 禁食 17~20h, 自由饮水。 称禁食体重, 于最后 1次给药后 lh, 所有动物摘眼球取 血后处死, 称量肺脏重量, 计算肺指数和肺炎抑制率 (%)。
肺指数(PI ) =肺脏重量(g ) /体重(g ) lOO
肺炎抑制率(%) = (模型组 PI-药物组 PI)/(模型组 PI-对照组 PI)xl00 2.2 本发明组合物对流感病毒感染小鼠肺匀浆中 TNF-α含量的影响 从 2.1 中随机抽取 11只动物 (36只, $5只)进行肺组织匀浆, 用生理 盐水制备成 10%的匀浆液, 3000转离心 15 min, 上清液用 ELISA试剂盒检测 TNF-α的含量, BCA法测定蛋白含量, 并计算每毫克蛋白中 TNF-α的含量。
2.3 本发明组合物对流感病毒感染小鼠生存天数的影响 动物分组、 给药同 2.1, 连续给药 5天后停药, 逐日观察动物生存情况, 共观察 15天。 记录动物生存天数并计算延长率。
延长率(% ) = (生存天数药物组 -生存天数模型组) /生存天数模型组 xlOO 3 实验结果
3.1本发明组合物对流感病毒感染小鼠肺指数的影响
结果见表 1。
表 1本发明组合物对流感病毒感染小鼠肺指数的影响 ( ±sd)
Figure imgf000010_0001
注: 与模型组比较 *P<0.05; **P<0.01
表 1结果显示, 模型组由于肺部感染, 肺部有明显的炎症和水肿, 肺的重 量较对照组明显增加(与对照组比较 PO.01 )。 本发明组合物对病毒性肺炎具 有明显的抑制作用, 与模型组相比有统计学显著性差异(PO.05), 肺炎抑制 率达 72.3%。 结果表明本发明组合物具有显著的抑制流感病毒性肺炎的作用。
3.2本发明组合物对流感病毒感染小鼠肺匀浆中 TNF-α含量的影响 结果见表 2。
表 2 本发明组合物对肺炎 、鼠肺组织匀浆中 TNF-α含量的影响
( isd, pg/mg pro , η=11 )
剂量
组别 TNF-α
(g/kg)
对照 0.545 ±0.078
模型 0.506 ±0.064
达菲 0.05 0.585 ±0.106
抗病毒口月艮液 5.0 ml/kg 0.468 ±0.091
本发明组合物 10.0 0.416 ±0.054 " 注: 与模型组比较 ** P<0.01
结果表明阳性对照药达菲和抗病毒口服液对肺组织勾浆中 TNF-α的分泌 无降低作用, 而本发明组合物可在一定程度上降低 TNF-α的含量(与模型组 比较 PO.01 ), 从而防止肺部炎症反应的加重。
3.3本发明组合物对流感病毒感染小鼠生存天数的影响
结果见表 3。
表 3 本发明组合物对流感病毒感染小鼠生存天数的影响 ( ±sd )
Figure imgf000011_0001
注: 与模型组比较 * P<0.05 , ** P<0.01 , *** P<0.001
结果表明, 模型组的生存时间为 11.3天, 本发明组合物组使动物死亡时 间延长至 13.2天, 延长率为 15.8 % , 与模型组比较有显著性意义(P<0.05 )。 表明本发明组合物对流感病毒感染导致的小鼠死亡具有保护作用。 实验例 2解热实验
1 实验材料
1.1 实验药物:
本发明组合物颗粒剂 (按实施例 1方法制备), 用蒸馏水将其配制成 0.7g 生药 /ml, 0.35g生药 /ml;
阿司匹林泡腾片 (阿斯利康制药有限公司 ), 用蒸馏水将其配制成 20mg/ml;
双黄连口服液(哈药集团三精制药股份有限公司), 用蒸馏水将其配制成 0.6ml原液 /ml。
1.2实验动物: SD大鼠, 购自北京维通利华实验动物技术有限公司, 许可证 编号为 SCXK (京) 2006-0009
2 实验方法
将大鼠按体重随机分为正常对照组动物和造模动物。 除了正常对照组动 物 10只外, 其余 60只均造模。 于造模前, 连续 2天测量动物的基础体温, 取 两次测定的肛温平均值作为其基础体温。 造模动物均按照 2ml/100g体重的体 积皮下注射 15%酵母混悬液, 正常对照组动物注射等体积生理盐水。 于注射 酵母后 3.5 h测量大鼠体温。 将造模后的动物按照体温增高值随机分为 6组, 分别为: ①模型组, ②阿司匹林 200 mg/kg组, ③双黄连口服液 6ml/kg组, ④本发明组合物 3.5 g生药 /kg组, ⑤本发明组合物 7.0 g生药 /kg组, 每组 10 只动物。 各组大鼠均灌胃给药, 给药体积 lml/100g。 于给药后 0.5 h、 1.0 h、 2.0 h、 3.0 h、 4.0 h、 6.0 h分别测量大鼠肛温。 于第 1次给药后 3.0h各组再加 强给药 1次。 正常对照组和模型组灌胃等体积蒸馏水。
计算每只动物各时间点与致热前基础体温的差值作为体温增高值( 致热后某时间点的体温-基础体温 ), 各组体温增高值数据均以均数士标准差表 示, 用单因素方差分析(ANOVA )进行组间比较。 按下列公式计算其抑制率
%。
抑制率(% ) = (体温增高值模型组-体温增高值药物组) /体温增高值模型组 l 00%
3 实验结果
结果见表 4。
表 4 本发明组合物对酵母致大鼠发热解热作用的影响 ( ±sd,
Figure imgf000013_0001
注: 与模型组比较 * P<0.05 , ** P<0.01 , *** P<0.001
表 4结果显示,本发明组合物对酵母致大鼠体温升高亦具有明显的解热作 用, 3.5g生药 /kg剂量组于药后 0.5h和 l.Oh, 7.0g生药 /kg剂量组于药后 6.0h, 均能明显抑制大鼠体温的升高, 抑制率分别为 18.8%, 25.7%和 33.5%, 与模 型组比较有显著性差异 (P<0.05 , PO.01 , P<0.01 )。 西药阳性药阿司匹林组 于药后 0.5h至 6h均能明显抑制大鼠的体温升高 (PO.001 ); 中药阳性对照药 双黄连口服液在本实验中的解热作用不明显。
结果表明本发明组合物对酵母菌诱导的大鼠高热具有一定的解热作用,其 作用强于中药阳性对照药双黄连口 液。
实验例 3 抗炎实验
1 实验材料
1.1 实险药物:
本发明组合物颗粒剂 (按实施例 1方法制备), 用蒸馏水将其配制成 4种 浓度, 分别为 0.5 g生药 /ml, 0.25 g生药 /ml (小鼠)和 0.7 g生药 /ml, 0.35 g 生药 /ml (大鼠);
阿司匹林泡腾片(阿斯利康制药有限公司),用蒸馏水将其配制成 10mg/ml (大鼠)和 20 mg/ml (小鼠);
双黄连口服液(哈药集团三精制药股份有限公司 ), 用蒸馏水将其配制成 0.6ml原液 /ml (大鼠)和 0.9ml原液 /ml (小鼠)。
1.2实验动物: ICR小鼠, SD大鼠, 均购自北京维通利华实验动物技术有限 公司, 许可证编号为 SCXK (京 ) 2006-0009
2实验方法
2.1 本发明组合物对小鼠毛细血管通透性的影响
ICR小鼠, 雄性, 76只。 按体重随机分为: ①正常对照组, ②模型组, ③阿司匹林 200mg/kg,④双黄连口服液 9 ml/kg,⑤本发明组合物 2.5 g生药 /kg, ⑥本发明组合物 5.0 g生药 /kg共 6组, 每组 12-13只。 各组按体重灌胃给予药 物 0.2 ml/lOg, 每日给药 1次, 连续给药 4 d。 正常对照组和模型组给予等体 积蒸馏水。 末次给药前 16-18h禁食不禁水, 末次给药后 60 min, 除正常对照 组外, 其余各组均腹腔注射 1 %冰醋酸生理盐水溶液 0.1 ml/lOg, 正常对照组 注射等体积生理盐水。给予醋酸后,立即观察并记录小鼠出现扭体的潜伏期和 15 min内小鼠发生扭体反应的次数。 15 min内未出现扭体的动物, 其潜伏期 记为 900s。
于注射冰醋酸生理盐水溶液(正常对照组注射生理盐水)后 30 min, 所有 动物尾静脉注射 0.5 %伊文思蓝溶液 0.2 ml/lOg, 20min后脱颈推处死。将 2 ml 生理盐水注入腹腔, 轻柔腹部 30次后, 收集腹腔液, 再用 4 ml生理盐水分 2 次洗涤腹腔, 每次 2 ml, 分别收集腹腔液, 合并 3次的腹腔液后定容至 8 ml。 将腹腔液经 3000 rpm离心 15 min,取上清液在 630 nm处比色,读取吸光度值。 并以不同浓度的伊文思兰为标准,绘制标准曲线,计算腹腔液中伊文思蓝含量。
扭体抑制率 ( % ) = (扭体次数模型组 -扭体次数药物组) /扭体次数模型 组 χ ΙΟΟ
伊文思蓝渗出量抑制率(% ) = (伊文思蓝渗出量模型组-伊文思蓝渗出量 药物组) /伊文思蓝渗出量模型组 xlOO
2.2 本发明组合物对弗式完全佐剂诱导的大鼠足趾肿胀的影响 SD大鼠, 雄性, 70只。 在每只大鼠的左后爪踝关节处用笔划一横线做标记, 用容积法测定足容积,按左后足趾容积测量值随机分为:①正常对照组,②模 型组,③ 阿司匹林 200mg/kg,④ 双黄连口服液 6 ml/kg,⑤本发明组合物 1.75 g生药 /kg, ⑥本发明组合物 3.5 g生药 /kg, ⑦本发明组合物 7.0 g生药 /kg组共 7组, 每组 10只。 各组按体重灌胃给予药物 1 ml/100g体重, 每日给药 1次, 连续给药 3 d。 正常对照组和模型组灌胃等体积蒸馏水。 第 4天进行足趾肿胀 造模及测定肿胀度试验, 试验前 16-18h禁食不禁水。 给予佐剂造模前, 在按 照上述同样的方法测定每只大鼠的左后足趾容积值作为其造模前足趾基础容 积值。 然后, 除正常对照组外, 其余各组大鼠左后足趾均皮下注射弗氏完全佐 剂 0.2 ml/只以致炎, 同时各给药组均分别给药 1次。 正常对照组动物的足趾 注射等容积的生理盐水。 于给药后 1.0 h、 2.0 h、 4.0 h、 6.0 h分别测量大鼠左 后足趾容积值。 于造模后 3.0h各组再加强给药 1次。 每只动物致炎后的足趾 溶剂均与其各自的致炎前足趾容积比较, 计算足趾容积差值。
各时间点足趾容积差值=致炎后不同时间点左后足趾容积值-致炎前足趾 容积值
足趾容积差值抑制率(% ) = (足趾容积差值模型组 -足趾容积差值药物 组) /足趾容积差值模型组 xlOO
3实验结果
3.1本发明组合物对小鼠毛细血管通透性的影响
结果见表 5。
表 5 本发明组合物对醋酸诱导的小鼠扭体反应和腹腔毛细血管通透性增高的 抑制作用 (^±sd )
Figure imgf000016_0001
注: 与模型组比较 ** P<0.01 , *** P<0.001 ; o内为弃去溶血动物后的 动物数
表 5结果显示, 阳性药阿司匹林和双黄连口服液均能明显抑制炎性渗出 ( PO.001 , PO.01 ), 阿司匹林尚具有明显的镇痛作用, 表现为明显延长扭体 出现的潜伏期和较少扭体次数(PO.01 , P<0.001 )。本发明组合物 2.5g生药 /kg 和 5.0g生药 /kg剂量均能明显抑制腹腔注射醋酸导致的腹痛扭体反应,扭体次 数较模型组明显减少 (PO.01 ), 2个剂量组的抑制率分别为 38.7%, 41.6%; 并能显著抑制醋酸导致的腹腔毛细血管通透性增加, 降低伊文思蓝的渗出量 (与模型组比较 PO.01 ), 抑制率分别为 32.9%, 30.5%。
结果表明本发明组合物具有明显的镇痛抗炎作用。
3.2本发明组合物对弗式完全佐剂诱导的大鼠足趾肿胀的影响
结果见表 6。
表 6本发明组合物对弗式完全佐剂诱导的大鼠足趾肿胀的影响( ±sd, n=10 )
Figure imgf000017_0001
注: 与模型组比较 * P<0.05 , ** P<0.01 , *** P<0.001
表 6结果显示, 模型组的足趾肿胀非常明显, 造模后 lh即可见明显肿 胀, 随时间延长, 肿胀程度增加, 至少持续至给药后 6h (各时间点与正常对 照组比较均有明显差异, PO.001 ); 阳性药阿司匹林和双黄连口服液均在给药 后 2h开始显示出明显抑制组织肿胀的抗炎效果。本发明组合物 1.75、 3.5、 7.0g 生药 /kg 3个剂量组均呈现不同程度的减轻足趾肿胀的作用。其中, 7.0g生药 /kg 剂量组的起效时间为药后 2.0 h, 3.5g生药 /kg剂量组起效时间为药后 4.0 h, 1.75g生药 /kg剂量组的起效时间较迟,为给药后 6h。 3.5g生药 /kg和 7.0g生药 /kg剂量组的作用至少维持至给药后 6h。本发明组合物 1.75、 3.5、 7.0g生药 /kg 3个剂量组造模后 6小时作用最为明显, 抑制率分别为 27.6、 32.4、 43.2% (与 模型组比较分别 P<0.01、 P<0.001、 PO.001 ), 并显示出一定的量效关系。 结果表明本发明组合物具有明显的抗炎作用。 具体实施方式
实施例 1 颗粒剂
原料: 金银花 600g, 金莲花 600g, 小秦艽花 200g, 板蓝根 1000g;
制备方法: 取原料药, 加 7倍量 70%乙醇回流提取三次, 每次 1小时; 合并 提取液, 滤过, 回收乙醇并浓缩至相对密度为 1.30 ~ 1.34 ( 50°C测) 的稠膏; 取稠膏 80°C以下减压干燥,粉碎成细粉,加入辅料,混匀;干压制粒,共制 1000g, 即得;
规格: 每袋 5g;
用法与用量: 一日 3次, 每次 1袋。
实施例 2 片剂
原料: 金银花 550g, 金莲花 650g, 小秦艽花 180g, 板蓝根 l lOOg;
制备方法: 取原料药, 加 5倍量 90%乙醇回流提取 2次, 每次 1.5小时; 合 并提取液, 滤过, 回收乙醇并浓缩至相对密度为 1.30 ~ 1.34 ( 50°C测)的稠膏; 取稠膏减压干燥, 粉碎成细粉, 加入常规辅料, 混匀; 干压制粒, 压片, 即得。
实施例 3 胶嚢剂
原料: 金银花 650g, 金莲花 550g, 小秦艽花 220g, 板蓝根 900g;
制备方法: 取原料药, 加 10倍量 50%乙醇回流提取 4次, 每次 1小时; 合并 提取液, 滤过, 回收乙醇并浓缩至相对密度为 1.30 ~ 1.34 ( 50°C测) 的稠膏; 取稠膏减压干燥, 粉碎成细粉, 加入常规辅料, 混匀; 干压制粒, 装入胶嚢, 即得。
实施例 4 散剂
原料: 金银花 500g, 金莲花 700g, 小秦艽花 150g, 板蓝根 1200g;
制备方法: 取原料药, 加 8倍量 60%乙醇回流提取 3次, 每次 1小时; 合并 提取液, 滤过, 回收乙醇并浓缩至相对密度为 1.30 ~ 1.34 ( 50°C测) 的稠膏; 取稠膏按常规工艺, 加入常规辅料制成散剂。
实施例 5 口 H液
原料: 金银花 700g, 金莲花 500g, 小秦艽花 250g, 板蓝根 800g; 制备方法: 取原料药, 加 6倍量 75%乙醇回流提取 2次, 每次 1.5小时; 合 并提取液, 滤过, 加入常规辅料制成口服液。
实施例 6
金银花提取物 500g, 金莲花提取物 700g, 小秦艽花提取物 150g, 板蓝根 提取物 1200g;
取上述提取物粉碎为细粉, 混匀, 按照常规工艺制成颗粒剂;
所述金银花提取物、金莲花提取物、 小秦艽花提取物和板蓝根提取物分别 为金银花、 金莲花、 小秦艽花、 板蓝根以 7倍量 70%乙醇回流提取三次, 每 次 1小时, 合并提取液后回收乙醇得到的提取物。
实施例 7
金银花提取物 600g, 金莲花提取物 600g, 小秦艽花提取物 200g, 板蓝根提 取物 1000g; 取上述提取物粉碎为细粉, 混匀, 按照常规工艺制成片剂;
所述金银花提取物、金莲花提取物、 小秦艽花提取物和板蓝根提取物分别 为金银花、 金莲花、 小秦艽花、 板蓝根以 7倍量 70%乙醇回流提取三次, 每次 1 小时, 合并提取液后回收乙醇得到的提取物。
实施例 8
取金银花 135g, 金莲花 135g, 小秦艽花 45g, 板蓝根 225g, 加 10倍水 煎煮 3次, 每次 1小时, 滤过, 合并滤液, 以 60%乙醇进行醇沉, 回收乙醇 即得。
实施例 9
取金银花 135g, 金莲花 135g, 小秦艽花 45g, 板蓝根 225g, 以 60%乙醇回 流提取 3次, 溶剂用量分别为 8、 5、 5倍量, 每次 1小时, 滤过, 合并滤液, 回 收乙醇即得。
实施例 10
取金银花 135g, 金莲花 135g, 小秦艽花 45g,板蓝根 225g, 其中金银花、 金莲花、 小秦艽花合并用 6倍量 60%乙醇回流提取 3次, 每次 1小时; 板蓝 根 10倍水煎 3次, 每次 1小时, 合并提取液以 60%乙醇醇沉, 乙醇部分与三 种花类提取液合并, 回收乙醇即得。
实施例 11 绿原酸含量测定 供试品溶液的制备: 分别取实施例 9和 10的样品各 O.lg, 精密称量, 置 25ml量瓶中, 加入曱醇超声处理 20min, 再加曱醇至刻度, 摇匀, 滤过; 取 续滤液 3.0ml, 蒸干, 残渣加 50%曱醇使溶解, 转移至 10ml容量瓶中,加 50% 曱醇至刻度摇匀, 即得。
对照品溶液: 取绿原酸对照品加曱醇制成 0.04064mg /ml的绿原酸对照品 溶液。
色谱条件:色谱柱: kromasil-C18柱;流动相:乙腈 -0.4%磷酸溶液( 10: 90 ); 检测波长: 327nm; 流速 lml/min。
实验结果见表 7。
表 7 绿原酸含量
Figure imgf000020_0001
实施例 12 实施例 8-10组合物对流感病毒感染小鼠生存时间的影响 1 试验材料
供试品: 实施例 8-10制备的组合物 (均为 lg生药 /ml提取物), -20°C冰 箱保存, 用时用蒸馏水配成 0.6g生药 /ml。
阳性对照药: 达菲原料药, 购于上海浦东英轩公司, 用时用蒸馏水配制成 1.25mg/ml„
病毒株: 流感病毒, 由中国中医科学院基础理论研究所病毒室提供。 实验动物:小鼠, 品系: KM, 雄性, 动物来源:北京维通利华实验动物技术 有限公司, 动物合格证号: SCXK (京) 2007-0001。
2 试 3全方法
2.1 剂量设置:
供试品给药组分别设 1 个剂量, 即 24g 生药 /kg; 阳性药达菲的剂量为 50mg/kg/d, 为按体表面积折算的临床等效剂量。 2.2 动物分组
选择体重在 12-14g之间的健康 KM小鼠, 随机分为 6组: ①正常对照, ②模型组, ③达菲 50mg/kg/d, ④实施例 8组, ⑤实施例 9组, ⑥实施例 10 组, 对照组 12只, 其他组 21只。
2.3 小鼠感染病毒
各组小鼠用乙醚轻度麻醉, 以 15倍 LD5。流感病毒液滴鼻感染小鼠,每只 滴鼻体积为 60μ1, 每鼻孔 30μ1。
2.4给药途径
本试验的模型组、 阳性药组及本发明各提取物组均采用灌胃给药方法。 2.5 给药方法及给药次数、 时间:
本发明各提取物组、 阴性对照及阳性对照组均于动物感染流感病毒之前 1 天开始给药,每日灌胃给药 2次, 上、 下午各给药 1次,给药体积为 0.2ml/10g 体重, 连续 5天。 阴性对照和正常对照组灌胃给予同体积蒸馏水。
2.6观察指标
记录各组的平均生存天数并计算延长率。
3 统计分析
生存时间的评价采用平均生存天数进行评估, 数据以均值士标准差表示, 组间比较用单因素方差分析 ( ANOVA )。
4 实验结果
结果见表 8。
表 8 本发明组合物不同工艺对流感病毒感染小鼠生存天数的影响 ( 土 SD, 天)
Figure imgf000021_0001
注: 延长率 (% ) = (生存天数《 -生存天数模她) /生存天数模 实施例 13 实施例 6组合物对流感病毒感染小鼠生存时间的影响 1 实验材料
1.1 实险药物:
本发明组合物颗粒剂 (按实施例 6方法制备 ), 用蒸馏水将其配制成 0.5 g 生药 /ml;
达菲 (上海浦东英轩公司 ), 用蒸馏水将其配制成 2.5mg/ml;
抗病毒口服液(湖北午时药业股份有限公司),用蒸馏水将其配制成 0.25ml 原液 /ml。
1.2 病毒株: FM1型小鼠流感病毒株, 由中国中医科学院中药研究所药理 室病毒组提供
1.3 实验动物: ICR小鼠, 购自北京维通利华实验动物技术有限公司, 许 可证编号为 SCXK (京 ) 2006-0009
2 实验方法
选择体重在 13-15g之间的健康 ICR小鼠, 100只, 雌雄各半, 将动物随 机分成: ①正常对照组, ②模型组, ③ 达菲 50mg/kg, ④ 抗病毒口服液 5 ml/kg, ⑤本发明组合物 5.0生药 /kg共 5组, 每组 20只, 雌雄各 10只。
各组均于动物感染流感病毒之前 1天开始给药, 给药体积为 0.2ml/10g体 重, 每日灌胃给药 1次。 次日, 除正常对照组外, 其余组的动物用乙醚轻度麻 醉, 以 15倍 LD5。流感病毒液滴鼻感染小鼠, 每只动物滴鼻体积为 35μ1, 以造 成病毒性肺炎感染。 感染当天以及随后 3天继续给药, 共连续给药 5天。 正常 对照组和模型组灌胃给予同体积蒸馏水。连续给药 5天后停药,逐日观察动物 生存情况, 共观察 15天。 记录动物生存天数并计算延长率。
延长率(% ) = (生存天数药物组 -生存天数模型组) /生存天数模型组 xlOO
3 实验结果
结果见表 9。 表 9 本发明组合物对流感病毒感染小鼠生存天数的影响 ( ±sd)
Figure imgf000023_0001
注: 与模型组比较 *P<0.05, **P<0.01, ***P<0.001
结果表明,模型组的生存时间为 11.3天, 本发明组合物组使动物死亡时间延 长至 13.4天, 延长率为 17.5%, 与模型组比较有显著性意义(P<0.05)。 表明 本发明组合物对流感病毒感染导致的小鼠死亡具有保护作用。 实施例 14 本发明实施例 1得到的组合物含量测定方法
1 仪器与试剂
仪器: Waters-600型高效液相色谱仪, Waters-2487检测器。 KQ100型超声 波清洗器(昆山市超声波仪器厂)
试剂:乙腈为色谱纯、 水为娃哈哈纯水, 磷酸、 曱醇为分析纯, 其他试剂 均为分析纯。
绿原酸对照品:购自德国 CarlRothKG.公司 (对照品号 6385 ), 纯度: 99% 样品:本发明颗粒剂 (批号: 20100203; 20100316; 20100317; 20100318)。 2 方法与结果
2.1 色谱条件
色谱柱: Kromasil-C18, 5μηι, 4.6x250mm (北京分析仪器厂出品); 流动相: 乙腈一 0.4%磷酸溶液( 10: 90 );
柱温: 30 °C;
检测波长: 327 nm; 流速: 1.0 mL/min;
理论板数: 按绿原酸峰计算应不低于 3000。
2.2 对照品溶液制备
取绿原酸对照品适量, 精密称定, 加 50%曱醇溶液制成每 lmL含 50 g的溶 液, 即得。
2.3 供试品溶液的制备
取本发明组合物颗粒剂 (按实施例 1制备), 研细, 取约 O.lg, 精密称定, 精密加曱醇 25 mL, 称定重量, 超声处理 20分钟, 取出, 放冷, 再称定重量, 用曱醇补足减失的重量, 摇匀, 滤过。 精密量取续滤液 10mL, 水浴蒸干, 残 渣加 50%曱醇使溶解, 转移至 10mL量瓶中, 加 50%曱醇至刻度, 摇匀, 滤过, 即得。
2.4 空白溶液的制备
按原料药的比例,配制不含金银花的组合物和不含金银花和金莲花的组合 物, 分别按常规工艺制成颗粒剂; 再按" 2.3供试品溶液制备方法 "项下制成不 含金银花阴性溶液和不含金银花和金莲花的双阴性溶液。
2.5 测定法
分别精密吸取对照品溶液、 供试品溶液、 阴性溶液和双阴性溶液各 10 L, 注入液相色谱仪, 测定, 即得。
结果表明, 在上述色谱条件下, 供试品溶液分离效果良好, 绿原酸峰与相邻 杂峰分离度大于 1.5。 对照品和样品的高效液相色谱图见图 1、 图 2。 不含金银 花阴性溶液与不含金银花和金莲花双阴性溶液在与绿原酸对照品相同保留时 间处有非常微弱的峰出现,其峰面积分别仅占供试品峰面积的 0.45%和 0.166% 左右, 远远低于 5%以下, 故认为基本无干扰。 结果见图 3、 图 4。
2.6 方法 3全证
2.6.1线性关系考察
精密吸取绿原酸对照品 50%曱醇溶液(0.21mg/mL ) 0.5、 1.5、 3.0、 4.0、 5.0mL, 分别置入 10mL量瓶中, 用 50%曱醇稀释至刻度, 摇匀。 精密吸取上 述溶液各 ΙΟμΙ^, 注入液相色谱仪, 测定峰面积, 以绿原酸进样量( g ) 为横 坐标, 峰面积为纵坐标, 绘制标准曲线, 其回 归方程为 : Y=3093717.04X-9610.58 , r=0.9999。 结果表明, 绿原酸在 0.105 ~ 1.050 范 围内有良好的线性关系。 结果见表 10, 图 5。
表 10 绿原酸线性关系
Figure imgf000025_0001
2.6.2精密度试验
精密称取样品 (批号: 20100203 )按" 2.3供试品溶液制备方法 "项下制成 供试品溶液, 重复进样 5次, 测定峰面积, 结果见表 11。
表 11 精密度试验结果
Figure imgf000025_0002
2.6.3 稳定性试验
精密称取样品(批号: 20100203 ), 按" 2.3供试品溶液制备方法 "项下制成 供试品溶液, 分别于制备后 0、 2、 4、 6、 10、 22小时, 按" 2.1色谱条件"项下 测定绿原酸峰面积 , 结果表明供试品溶液在 22小时内稳定, 结果见表 12。 稳定性试验结果
Figure imgf000026_0001
2.6.4 重复性试马全
取同一批次(批号: 20100203 )样品, 按" 2.1.3"法制备供试品溶液, 平行 操作 6份, 按" 2.1 色谱条件"项下测定绿原酸峰面积, 求得相对标准偏差小于 5%, 结果见表 13。
表 13 重复性试验
Figure imgf000026_0002
2.6.5 回收率试马全
采用加样回收法,精密吸取绿原酸对照品曱醇溶液( 0.208 mg/mL ) 3 mL, 6份, 置已编号的 1 ~ 6号 60 mL圓底烧瓶中, 低温水浴挥干曱醇。 再取已知 含量的同一批(批号: 20100203 )样品约 55mg左右, 按" 2.3供试品溶液制备 方法"项下制备供试品溶液, 按" 2.1色谱条件"项下测定峰面积, 按下式计算回 收率, 结果见表 14。
出绿原酸总量 -样品中绿原酸的含
回收率 ■χ 100%
加入绿原酸对照品 3 绿原酸回收率测定结果
Figure imgf000027_0001
2.6.6样品测定
取三批样品, 按" 2.3供试品溶液制备方法 "项下制备供试品溶液", 色谱条件"项下测定绿原酸峰面积, 结果见表 15。
表 15 样品测定结果
Figure imgf000027_0002
根据以上测定结果, 结合中国药典金银花所含绿原酸的含量, 暂定本 每袋含绿原酸 (C16H1809)应不少于 30 mg。

Claims

权 利 要 求 书
1、 一种治疗风热感冒的中: 组合物, 其特征在于该中药组合物的原料 组成为:
金银花 400-800重量份 金莲花 400-800重量份
小秦艽花 100-300重量份 板蓝根 700-1300重量份。
2、 如权利要求 1所述的中: i组合物, 其特征在于该中药组合物的原料 ] 组成为:
金银花 550-650重量份 金莲花 550-650重量份
小秦艽花 180-220重量份 板蓝根 900-1100重量份。
3、 如权利要求 1所述的中: i组合物, 其特征在于该中药组合物的原料 ] 组成为:
金银花 600重量份 金莲花 600重量份
小秦艽花 200重量份 板蓝根 1000重量份。
4、 一种如权利要求 1-3任- -项所述中药组合物的制备方法, 该方法为: 按比例取原料药, 采用有机溶剂提取。
5、 如权利要求 4所述的制备方法, 其特征在于所述有机溶剂为 50-90% 的乙醇。
6、 如权利要求 1-3任一项所述中药组合物的制备方法, 该方法为: 按比 例取原料药, 采用水提醇沉法制备; 其中所述醇沉浓度为 40-90%。
7、 如权利要求 1-3任一项所述中药组合物的制备方法, 该方法为: 按比 例取原料药, 其中三种花类药材采用有机溶剂合并提取, 得提取物 A; 板蓝根 单独采用水提醇沉法制备得提取物 B; 合并提取物 A和 B, 即得; 其中所述有 机溶剂为 50-90%的乙醇; 所述醇沉浓度为 40-90%。
8、 一种治疗风热感冒的中药组合物, 该中药组合物的原料药组成为: 金银花提取物 400-800重量份 金莲花提取物 400-800重量份 小秦艽花提取物 100-300重量份 板蓝根提取物 700-1300重量份。
9、 如权利要求 8所述的中药组合物, 其特征在于该中药组合物的原料药 组成为: 金银花提取物 550-650重量份 金莲花提取物 550-650重量份 小秦艽花提取物 180-220重量份 板蓝根提取物 900-1100重量份。
10、 如权利要求 8所述的中药组合物, 其特征在于该中药组合物的原料 药组成为:
金银花提取物 600重量份 金莲花提取物 600重量份 小秦艽花提取物 200重量份 板蓝根提取物 1000重量份。
11、 如权利要求 8-10任一所述的中药组合物, 其特征在于所述金银花提 取物、金莲花提取物、 小秦艽花提取物、板蓝根提取物为乙醇提取物或水提醇 沉提取物或乙醇提取物 /水提醇沉提取物进一步过大孔树脂柱得到的精制物。
12、 如权利要求 11所述的中药组合物, 其特征在于所述提取使用的乙醇 为浓度 50-90%的乙醇。
13、 如权利要求 11 所述的中药组合物, 其特征在于所述醇沉浓度为 40-90%。
14、如权利要求 1-3、 8-10任一项所述中药组合物在制备治疗风热感冒药 物中的应用。
15、如权利要求 1-3、 8-10任一项所述中药组合物在制备抑制流感病毒性 药物中的应用。
16、如权利要求 1-3、 8-10任一项所述中药组合物在制备抗炎药物中的应 用。
PCT/CN2012/082756 2012-10-10 2012-10-11 一种治疗风热感冒的中药组合物及其制备方法和应用 WO2014056167A1 (zh)

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CN113588648B (zh) * 2021-09-01 2024-01-02 石河子大学 一种小秦艽花蒙药材的质量检测方法

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