WO2021068909A1 - 美洲大蠊提取物、其制剂以及它们的制备方法和应用 - Google Patents
美洲大蠊提取物、其制剂以及它们的制备方法和应用 Download PDFInfo
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- WO2021068909A1 WO2021068909A1 PCT/CN2020/120079 CN2020120079W WO2021068909A1 WO 2021068909 A1 WO2021068909 A1 WO 2021068909A1 CN 2020120079 W CN2020120079 W CN 2020120079W WO 2021068909 A1 WO2021068909 A1 WO 2021068909A1
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- ethanol
- add
- american cockroach
- extract
- fresh
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Classifications
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/56—Materials from animals other than mammals
- A61K35/63—Arthropods
- A61K35/64—Insects, e.g. bees, wasps or fleas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/12—Carboxylic acids; Salts or anhydrides thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation 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
- A61K2236/30—Extraction of the material
- A61K2236/39—Complex extraction schemes, e.g. fractionation or repeated extraction steps
-
- 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 relates to the technical field of medicine, in particular to an American cockroach extract, its preparation, and their preparation method and application.
- Periplaneta americana L. also known as "cockroach” or “cockroach”
- cockroach has always been regarded as a pest. Although it has been killed by humans by various means, it still survives stubbornly .
- the American cockroach has survived on the earth for more than 300 million years. With the movement of the earth's crust and the change of the climate environment, many species have become extinct, but the survival adaptability of cockroaches is getting stronger and stronger, enough to see its vitality. tenacious.
- Periplaneta americana was included in the earliest pharmaceutical monograph "Shen Nong's Materia Medica" in China. It has a history of more than 2,000 years.
- Stasis syndrome is severe cold and heat, broken accumulation, closed throat and pharynx, internal cold, and childlessness.”
- "Supplements to Compendium of Materia Medica” writes: In children, chancre, no matter how chancre, is effective for the dying. Take cockroaches on the stove and roast them for food, but the patients smell the smell and don’t know that there is a stench. If you have this disease, you can cure it without fail. You only need to eat once or twice to heal, and the body will become fatter and whiter after repeated trials.
- cockroaches have been used for medicine and food for a long time, and it has been clinically proven that American cockroaches have the functions of dispelling blood stasis, reducing accumulation, detoxification, diuresis, and reducing swelling.
- the fresh worms of the American cockroach are very easy to rot in 2-3 days, easy to deteriorate and smell, and cannot be used.
- the manufacturer usually adopts freeze-drying, or Heating and drying, etc., process the insects into dry insects, whether it is freezing or high-temperature drying, wastes energy, wastes manpower and material resources, wastes time, and destroys many biologically active substances, which is not conducive to the effect of subsequent preparation of products.
- the meaning of preservation mentioned in this article can preserve the fresh worms of American cockroach for a long time and increase the biologically active substances.
- one aspect of the present invention provides a method for preparing an extract of Periplaneta americana.
- the method includes the following steps:
- the concentration of ethanol used for soaking in the step 1) is 20%-95%, preferably 25%-70%, more preferably 25%-45%, most preferably 25%.
- the soaking time in step 1) is 10-60 days, preferably 20-60 days, and more preferably 20-40 days; as an exemplary illustration, it can be 20, 21 , 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 days.
- the soaking temperature in step 1) is 20°C-60°C, preferably 30°C-50°C, and most preferably 40°C.
- the amount of ethanol in step 1) is 1.5-3.5 times the weight of the fresh American cockroach (ie, 1.5-3.5 BV).
- the concentration of ethanol in the step 2) is 50% to 80%, preferably 80%.
- the amount of ethanol added in the step 2) is 1.5-3.5 times the weight of the fresh American cockroach (ie 1.5-3.5 BV), preferably 1.5 times.
- step 1) 1.5 times the weight of the fresh insects has been added in ethanol
- step 2) 1.5 times the amount of ethanol is added for the first reflux.
- the number of reflux in step 2) is 1 to 3 times.
- step 2) 1.5 times the weight of the fresh American cockroach (1.5 BV) of ethanol is added for the first reflux; and in the step 2), the first reflux is performed.
- the amount of ethanol added is 3 times the weight of the fresh American cockroach (3BV).
- the reflux time in step 2) is 1 to 2 hours.
- the concentration in the step 3) is concentration under reduced pressure.
- the temperature of concentration under reduced pressure in the step 3) is 60°C to 90°C.
- the relative density of the extract in the step 3) at 60° C. is 1.04 to 1.08.
- Another aspect of the present invention provides an extract of American cockroach prepared by the above method.
- the content of free amino acids in the extract is 30%-55%.
- Another aspect of the present invention provides a preparation containing the American cockroach extract, which contains the American cockroach extract prepared by the method of the present invention and auxiliary materials.
- the auxiliary material includes a clarifying agent.
- the clarifying agent is a combination of chitosan and gelatin; as one of the embodiments, the chitosan is a 1% chitosan solution; as one of the embodiments, the gelatin is 1% gelatin solution.
- the ratio of chitosan to gelatin is 1:1 to 1:4, preferably 1:3 to 1:4; most preferably, 1:3.
- the crude drug concentration in the clarification step is 1/3 to 1/11 g/ml, preferably 1/3 to 1/7 g/ml; most preferably 1/3 g/ml.
- the concentration of crude drug refers to the mass or weight of Periplaneta americana fresh per milliliter. As an exemplary description, if the concentration of crude drug is 1/3g/ml, it means that 1/3g of fresh Periplaneta americana is prepared into 1ml liquid medicine.
- the amount of the clarifying agent in the preparation is 0.2-1.0 ml/g crude drug; preferably 0.2-0.6 ml/g crude drug.
- the auxiliary material further includes a sweetener and a preservative.
- the sweetener includes but is not limited to glycerin, cyclamate, aspartame or stevioside, etc., preferably glycerin.
- the preservative is alkyl hydroxyphenyl esters (for example, parabens), benzoic acid, sodium benzoate, sorbic acid, or potassium sorbate; preferably potassium sorbate.
- the amount of the sweetener ranges from 5 to 20%;
- the amount of the preservative is 0.05-0.3%.
- the preparation is a traditional Chinese medicine mixture.
- a method for preparing a preparation including the following:
- the method includes: weighing the fresh worms of American cockroach, adding 1.5 times the weight of the fresh worms (1.5 BV) of 25% ethanol, sealing, and placing it at 40°C for 20 days and then taking it out, Add 80% ethanol to extract 3 times, 1 hour each time, add 1.5BV for the first time, add 3.0BV for the second and third time, filter, combine the filtrate, recover the ethanol under reduced pressure at 65°C and concentrate to a relative density of 1.04 (60 °C), add water to 3 times the weight of the fresh insects, mix well, heat and boil for 10 minutes, slowly add the clarifying agent when the temperature drops to 70°C, stir, let cool, refrigerate overnight, and filter to obtain American cockroach. Fresh insect clarified liquid; then add potassium sorbate and glycerin, mix well, add water, mix well, filter, sterilize at 115°C for 40 minutes, and get it.
- the invention also provides an application for preparing an anti-inflammatory drug containing the American cockroach extract prepared by the method of the invention or the preparation of the invention.
- One of the objectives of the present invention is to provide a method for preserving fresh worms of American cockroaches for a long time.
- environmentally friendly reagents such as ethanol saves time, manpower and material resources, saves energy, and reduces production costs.
- it can increase the biologically active substances in the medicinal materials of Periplaneta americana.
- One of the objectives of the present invention is to provide a fresh-keeping agent for American cockroach, which uses one or more of water, ethanol, glycerin, propylene glycol, water-soluble chitosan, and seaweed polysaccharide.
- a fresh-keeping agent for American cockroach which uses one or more of water, ethanol, glycerin, propylene glycol, water-soluble chitosan, and seaweed polysaccharide.
- the preservation solution of American cockroach is ethanol with a concentration of 10-90%.
- One of the objectives of the present invention is to provide a fresh-keeping method for American cockroach, which is characterized in that the American cockroach is immersed in one or more substances including ethanol, propylene glycol, glycerol, water-soluble chitosan, and seaweed polysaccharide .
- the soaking time of American cockroach is more than 10 days.
- the temperature for soaking the American cockroach is 20-60°C.
- the amount of soaking ethanol is 1.5-3.5 times the weight of the fresh worm (1.5-3.5 BV).
- the invention does not require freeze drying or drying, preserves the fresh worms of the American cockroach for a long time, and can increase the biologically active substances in the medicinal material of the American cockroach at the same time.
- environmentally friendly reagents such as ethanol saves time, manpower and material resources, saves energy, and reduces production costs.
- the extract of Periplaneta americana obtained by adopting the invention has better anti-inflammatory activity and higher content of amino acids.
- Figure 1 The effect of different ethanol concentrations and soaking time on total free amino acids in Experimental Example 1.
- Figure 4 The effect of different ethanol concentrations and soaking time on free amino acids in Experimental Example 1.
- Figure 5 The effect of different ethanol concentrations and soaking time on the total water-soluble solids in Experimental Example 1.
- Figure 6 The effect of different ethanol concentrations and soaking time on free amino acids in Experimental Example 1.
- Figure 7 The change trend of free amino acid yield in the normal temperature group and 40°C group in experimental example 1 over time.
- Figure 8 The change trend of water-soluble total solids in the normal temperature group and the 40°C group in Experimental Example 1 over time.
- Fig. 11 is a graph showing the change trend of water-soluble total solids in experimental example 1 in experimental example 1.
- Fig. 12 Comparison diagram of the total amount of various substances in the three extracts in Experimental Example 1.
- Fig. 13 is a pie chart of the amount of each substance in the total solids in the MLP, MLG, and MLX samples in Experimental Example 1.
- L represents the low-dose group (the original drug solution is 160 times diluted)
- M represents the middle-dose group (the original drug solution) 120-fold dilution)
- H represents the high-dose group (the original drug solution is 80-fold dilution); because each drug is measured at the same time, the same index and each drug share the same blank, model, and positive drug group data (compared with the control group, #P ⁇ 0.01; Compared with the model group, *P ⁇ 0.05, **P ⁇ 0.01).
- Fresh worms of American cockroach add 1.5BV of 25% ethanol, soak at 40°C ⁇ 2°C for 20-40 days, add 80% ethanol and reflux three times for 1 hour each time, add 1.5 times, 3.0 times, and 3.0 times respectively , Filter, recover ethanol at 60 ⁇ 90°C and concentrate to dilute extract with relative density of 1.04 ⁇ 1.08 (measured at 60°C).
- 1% gelatin solution Weigh 3g of gelatin, add 150ml of purified water and soak for 30min, then add 150ml of hot water (>95°C), stir while adding, stir until all the gelatin is dissolved, let it cool, and get ready.
- 1% chitosan solution Weigh 1g of chitosan, add 100ml of purified water, stir evenly, slowly add 1ml of glacial acetic acid, stir while adding, and stir until all the chitosan is dissolved.
- Clarifying agent solution mix 1% gelatin solution and 1% chitosan solution in a ratio of 3:1 to obtain.
- the immersion time is used as the abscissa and the amount of free amino acid is the ordinate to plot the change trend of free amino acids in fresh worms of Periplaneta americana immersed in 20% and 25% ethanol over time, as shown in Figure 6.
- the soaking temperature has a greater impact on the yield of total free amino acids and total water-soluble solids.
- the total free amino acids and total water-soluble solids of the 40°C group are the highest at all time points after soaking, which is combined with the production cost. Depending on the actual situation, it is more appropriate to control the immersion temperature at 40°C ( ⁇ 2°C).
- the yields of total free amino acids and total water-soluble solids showed a rapid increase trend in the first 20 days, and then tended to be flat, and there was no obvious change after 40 days. Therefore, the soaking time of fresh insects was determined to be 20-40 days.
- Nucleoside bases include uracil, hypoxanthine, xanthine, and inosine.
- Peptides total amino acids-free amino acids.
- the test results showed that, except for the nucleoside bases in the fresh worm soaking group of American cockroach, the rest of the substances were significantly higher than the fresh worm group and the dry worm group, and the total water-soluble solids were 4 times that of the fresh worm group.
- the amount of free amino acids is 10 times that of the fresh insect group and 5 times that of the dry insect group; the amount of total amino acids is 7 times that of the fresh insect group and 3 times or more of the dry insect group; the amount of peptides It is 3 times of the fresh insect group and more than 2 times of the dry insect group.
- the extracts of the fresh insect group, the dry insect group and the fresh insect soaking group all contain free amino acids, peptides and nucleobases, the ratio and content of each component are significantly different, indicating that there are three types of MLX, MLG and MLP The material basis of the extracts is significantly different.
- the extracts made from fresh worms of American cockroaches soaked in 25% ethanol for 20-40 days according to the same process have significantly higher content of water-soluble total solids, total free amino acids, total amino acids and peptide components than those of American cockroaches.
- the extract made from fresh insects/dried insects, and the extracts after soaking the fresh insects have the strongest regulatory effect on LPS-induced inflammation of mouse macrophages (RAW264.7).
- the administration group contained 500 ⁇ L of medium with different concentrations of medicinal solution (the content of the solvent in each group was kept the same).
- test steps for each indicator are strictly performed in accordance with the instructions of each kit, and the absorbance value at each specific wavelength is finally detected by a microplate reader, and the content of each indicator of the sample is calculated according to the standard curve prepared by the same method. If the absorbance value is lower than the absorbance value of the sample at the lower limit of the standard curve, it is counted as lower than the relevant value, and the relevant statistics are calculated with 0 mean and 0 variance.
- mice weighing 18-22 g were randomly divided into 5 groups according to their body weights. They were MLX, MLG and MLP test groups. The positive control drug dexamethasone was 0.2 mg/kg. The model control group was given an equal volume of NS. Each group was dosed once a day, 7 times in total. One hour after the last dose, each mouse was injected with a 0.5% Evans blue physiological saline solution 0.1ml/10g ⁇ bw into the tail vein, and then dripped on the skin of the abdomen that had been depilated 24 hours in advance. Xylene 30 ⁇ l/mouse, 20 minutes later, the mice were sacrificed by removing the cervical vertebrae.
- mice The results showed that the skin capillary permeability of mice was significantly increased after the xylene model, and the degree of blue staining of the skin increased.
- the administration of dexamethasone can inhibit the increase of skin capillary permeability caused by xylene and the degree of blue staining of the skin. Compared with the model group, it was significantly reduced (P ⁇ 0.01), and the inhibition rate exceeded 80%.
- the degree of blue staining of the skin in each extract group was also significantly reduced compared with the model group (P ⁇ 0.05 or P ⁇ 0.01).
- the reduction in the MLP group was the most obvious, and compared with the MLX group and MLG group. There are significant differences between the groups.
- mice Take 50 mice weighing 18-22 g, 10 mice in each group, half male and half female. Fix the mice, sterilize the chest with iodine, 75% alcohol cotton ball is deiodized, make a small cut in the chest, use ophthalmic forceps to implant 20mg autoclaved cotton ball from the incision under the skin of the armpit, and then suture the skin . From the day of surgery, the administration group was given the three extracts of MLX, MLG and MLP (2ml/kg) and the positive control drug dexamethasone (0.2mg/kg). The model control group was given the same volume NS. The above groups were administered for 7 consecutive days.
- the body weight was weighed before the end of the test, then the cervical vertebrae were removed and sacrificed.
- the implanted cotton ball and the surrounding connective tissue were taken out, the fat tissue was removed, and the wet weight was placed in an oven for 60 Dry at °C for 24 hours and weigh on a precision balance.
- the weight of the granuloma is obtained by subtracting the original weight of the cotton ball from the weighed weight, and the comparison and statistical analysis between groups are performed. The results are shown in Table 16.
- the test results show that the concentration of ethanol has little effect on the total free amino acid extraction and the extraction rate.
- the extraction rate of the 80% ethanol group is slightly lower, but the clarity is the highest, the filtration rate is the fastest, and it is convenient for production and operation; at the same time, 80% There are few macromolecular proteins in the ethanol extract, which is convenient for the subsequent purification process operation, so 80% ethanol is selected as the extraction solvent.
- the fresh worms of American cockroaches are soft after being soaked in ethanol. If they are crushed, they will become homogenous, which makes it difficult to filter the extract; and the fresh worms of American cockroaches are 2.5 ⁇ 3.2cm long and 1 ⁇ 1.4cm wide, each is only 1.3 About g, the size is small, and the direct feeding of the whole insect will not affect the extraction effect.
- the factor level table choose the orthogonal table of L 9 (3 4 ) for the experiment.
- the table can be arranged with up to four three-level factors. There are only three factors in this experiment, which are randomly arranged on the table, and the remaining fourth column is empty. .
- the factors and levels of the experimental items are entered into the table, the test results are filled in Table 19, the total free amino acid extraction and the amount of cream are used as evaluation indicators, and the test results are analyzed by variance.
- results of the range analysis show that the extraction time and the ratio of material to liquid have almost no effect on the amount of free amino acids extracted and the amount of cream.
- the number of extractions has a greater impact on the amount of free amino acids extracted and the amount of cream.
- results of variance analysis also show that the extraction The F value of the number of times is large, and it has a significant effect on the amount of paste. The two factors of extraction time and material-to-liquid ratio have no significant effect on the extraction results.
- a 3 B 1 C 1 which means adding 80% ethanol for reflux extraction three times, adding 1.5BV for the first time (to make up 3BV), and secondly, Add 3BV three times, and extract 1 hour each time.
- test results showed that the fresh worms of American cockroaches were extracted three times with 80% ethanol after soaking, each time for 1 hour, and 3 times the volume of ethanol was added each time, the total free amino acid yield was 6.41%, and the cream extraction rate was 16.31%.
- 1% gelatin solution Weigh 10g of gelatin, add 500ml purified water to soak for 30min, then add 500ml of hot water (>95°C), stir while adding, stir until all the gelatin is dissolved, let it cool, and get ready.
- 1% chitosan solution Weigh 10g of chitosan, add 1000ml 1% glacial acetic acid solution, stir while adding, and let it stand until it is completely dissolved.
- Chitosan Gelatin (1:3): Mix 1% chitosan solution and 1% gelatin solution in a ratio of 1:3 to get it.
- chitosan/gelatin (1:3) has the best clarification effect, with the shortest filtration time, clarification of the filtrate and permeable filtrate.
- the light rate is the highest, so chitosan: gelatin is selected as the clarifying agent for clarification process research.
- suction flask, Buchner funnel and filter materials used for each set of sample filtration are of the same model and specifications.
- the ratio of chitosan/gelatin has no significant effect on the yield of total solids and total free amino acids; when the ratio of chitosan/gelatin is 1:3, 1:4, the filtration time of the clarified liquid The shortest and the fastest filtration rate; when the ratio of chitosan/gelatin is 1:3, the light transmittance of the clear liquid is the highest, so the ratio of chitosan/gelatin is 1:3.
- suction flask, Buchner funnel and filter materials used for each set of sample filtration are of the same model and specifications.
- the concentration of crude drug between 1/3 and 1/7g/ml has no significant effect on the yield of total free amino acids and total solids; when the concentration of crude drug is less than 1/3g/ml, the clarification effect Both are better, the filtration rate is faster, and the light transmittance of the filtrate is above 80%, taking into account production efficiency and cost, the concentration of crude drug is selected to be 1/3g/ml.
- suction flask, Buchner funnel and filter materials used for each set of sample filtration are of the same model and specifications.
- the test results show that the filtrate is clarified when the clarifying agent dosage is 0.2 ⁇ 1.0ml/g crude drug, the filtration time is short, and the light transmittance is above 70%; when the dosage is 0.2 ⁇ 0.6ml/g crude drug, the total solids of the clarified liquid And the yield of total free amino acid is relatively high, so the dosage of clarifying agent is 0.2 ⁇ 0.6ml/g crude drug.
- suction flask, Buchner funnel and filter materials used for each set of sample filtration are of the same model and specifications.
- the test results show that the clarification temperature has no significant effect on the yield of water-soluble total solids and total free amino acids; clarification at a temperature of 60°C ⁇ 70°C, the sample filtration time is the shortest, and the light transmittance of the filtrate exceeds 80%, so The clarification temperature is 60°C ⁇ 70°C.
- test results show that whether the heat treatment and refrigeration process has no significant effect on the yield of water-soluble total solids and total free amino acids; but the samples that use the heat treatment refrigeration process are easier to filter, so choose to increase the boiling step, and compare the boiling order to the filtration Impact.
- the test results show that the boiling sequence has no significant effect on the yields of total water-soluble solids and total free amino acids; and the clarification of the filtrate is not much different.
- the samples that are first boiled and then clarified have a faster filtration rate. Consider the actual production. Then the temperature is lowered to 60 ⁇ 70°C to clarify, and then the temperature is lowered and the refrigeration operation is more smooth, so choose to boil first and then lower the temperature to 60 ⁇ 70°C and then clarify.
- test results show that the refrigeration time and temperature have no effect on the filtration time, clarity, total solids and total free amino acid yield of the samples; the light transmittance of the refrigerated samples in the 1°C group is slightly higher than that of the 8°C group, according to the actual production In case, choose the clear liquid to stand at 1 ⁇ 8°C for 16h ⁇ 48h.
- Clarification effect clarification (***), more clarification (**), turbidity (*)
- the mixture usually adopts the moist heat sterilization method.
- the moist heat sterilization conditions under the 2015 edition of "Chinese Pharmacopoeia" 1421 sterilization method usually adopt the procedure of 121°C ⁇ 15min, 121°C ⁇ 30min or 116°C ⁇ 40min, combined with the actual production, choose this preparation
- the sterilization conditions are 116°C ⁇ 2°C ⁇ 40min.
- the differences in properties, pH value, relative density and total free amino acid content of the samples before and after sterilization were compared through experiments.
- test results show that the sterilization process has no significant difference in the properties, pH value, relative density and total free amino acids of the samples before and after.
- the left cheek pouch (irradiation area 1.82cm 2 ) of golden hamster was irradiated with a single 40Gy X-ray.
- animal oral mucositis score auxiliary reference indicator: animal weight
- the score was selected as 1. ⁇ 2 points 40 animals were randomly divided into 4 groups (1 model control group and 3 drug treatment groups), after which the corresponding drugs were given by intraperitoneal injection or infiltration of the affected area combined with gavage for 14 days (D12 ⁇ D25, Bid), the dosage is shown in Table 33.
- modified sonis score modified sonis score
- the therapeutic effect of the tested drugs on hamster radiation oral mucositis was evaluated. The results are shown in Table 34.
- Infiltration combined with gavage of the affected area is to infiltrate 10% of the total volume of a given dose of an animal into the cheek pouch on the irradiated side of the animal, and the remaining 90% will be given by gavage; the day of modeling is defined as day 0 (day0, D0).
- the 12th to 18th day after the model is the ulcer onset of golden hamster oral mucositis, the animal oral mucositis score rises rapidly, D18 reaches the peak (4 points); the 20th to 26th days after the model is made (D20 ⁇ D26) , Is the recovery period of the ulcer, the oral mucositis scores of each group of animals continued to decline steadily.
- the oral mucositis scores of the model control group (Model) animals After drug intervention, from 2 days of administration to the end of the experiment (D14 ⁇ D26), the oral mucositis scores of the model control group (Model) animals have been at the highest state, and the oral mucositis scores of the Ordekin treatment group, the high-dose group and the low-dose group The mucositis score has been lower than the model control group, and the low-dose group has the lowest score during the entire recovery period and the best recovery.
- the oral mucositis scores of the low and high dose groups were significantly lower than those of the model group and the model control group (P ⁇ 0.05). The test results show that: low and high dose samples can significantly promote the recovery of hamster oral mucositis.
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Abstract
Description
Claims (26)
- 一种美洲大蠊提取物的制备方法,其特征在于,所述方法包括如下步骤:1)取新鲜美洲大蠊用乙醇浸泡;2)再加入乙醇回流提取,然后过滤、合并滤液;3)滤液浓缩为浸膏即得。
- 根据权利要求1所述的方法,其特征在于,所述步骤1)中浸泡的乙醇的浓度为20%~95%,优选25%~70%,再优选25%~45%,最佳为25%。
- 根据权利要求1所述的方法,其特征在于,所述步骤1)中浸泡的时间为10~60天,优选20~60天,进一步优选20~40天。
- 根据权利要求1所述的方法,其特征在于,所述步骤1)中浸泡的温度为20℃~60℃,优选30℃~50℃,最佳为40℃。
- 根据权利要求1所述的方法,其特征在于,所述步骤1)中乙醇的用量为新鲜美洲大蠊重量的1.5~3.5倍。
- 根据权利要求1所述的方法,其特征在于,所述步骤2)中再加入的乙醇的浓度为50%~80%,优选80%。
- 根据权利要求1所述的方法,其特征在于,所述步骤2)中再加入的乙醇的用量为新鲜美洲大蠊重量的1.5~3.5倍,优选1.5倍。
- 根据权利要求1所述的方法,其特征在于,所述步骤2)中回流的次数为1~3次;优选第一次回流再加入乙醇的用量为新鲜美洲大蠊重量的1.5倍;而第2或3次回流加入乙醇的量为新鲜美洲大蠊重量的3倍。
- 根据权利要求1所述的方法,其特征在于,所述步骤2)中回流的时间为1~2小时。
- 根据权利要求1所述的方法,其特征在于,所述步骤3)中浓缩为减压浓缩。
- 根据权利要求1所述的方法,其特征在于,所述步骤3)中减压浓缩的温度为60℃~90℃。
- 根据权利要求1所述的方法,其特征在于,所述步骤3)中浸膏 在60℃下的相对密度为1.04~1.08。
- 一种权利要求1~12任一所述方法制备的美洲大蠊提取物。
- 根据权利要求13所述的美洲大蠊提取物,其特征在于,所述提取物中游离氨基酸的含量为30~55%。
- 一种含有美洲大蠊提取物的制剂,其特征在于,所述制剂含有1~12任一所述方法制备的或权利要求13~14任一所述的美洲大蠊提取物和辅料。
- 根据权利要求15所述的制剂,其特征在于,所述辅料包括澄清剂。
- 根据权利要求16所述的制剂,其特征在于,所述澄清剂为壳聚糖和明胶的组合物;优选壳聚糖为1%的壳聚糖溶液;明胶为1%的明胶溶液。
- 根据权利要求16所述的制剂,其特征在于,所述壳聚糖和明胶的比例为1:1~1:4,优选1:3~1:4;最佳为1:3。
- 根据权利要求16所述的制剂,其特征在于,所述澄清步骤中生药浓度为1/3~1/11g/ml,优选1/3~1/7g/ml;最佳为1/3g/ml。
- 根据权利要求16所述的制剂,其特征在于,所述制剂中澄清剂的量为0.2~1.0ml/g生药;优选0.2~0.6ml/g生药。
- 根据权利要求16所述的制剂,其特征在于,所述辅料还包括甜味剂和防腐剂;优选所述甜味剂的量为5~20%;防腐剂的量为0.05~0.3%。
- 根据权利要求21所述的制剂,其特征在于,所述甜味剂为甘油、甜蜜素、阿斯巴甜或甜菊苷,优选甘油;所述防腐剂为羟苯烷基酯类、苯甲酸、苯甲酸钠、山梨酸、山梨酸钾,优选山梨酸钾。
- 根据权利要求15所述的制剂,其特征在于,所述制剂为中药合剂。
- 一种制备权利要求15~23任一所述制剂的方法,其特征在于所述方法包括如下:取美洲大蠊提取物加入水稀释、然后加热至100℃降温至70℃加入澄清剂并搅拌,冷藏放置,滤过,滤液再加入甘油和山梨酸钾、最后加入余 量的水,混匀,微孔滤膜过滤、灭菌即得。
- 根据权利要求24所述的方法,其特征在于,所述方法包括:称取美洲大蠊鲜虫,加入鲜虫重量1.5倍量的25%乙醇,密封,于40℃放置20天后取出,加入80%乙醇提取3次,每次1小时,第一次加入1.5BV,第二、三次加入3.0BV,滤过,合并滤液,于65℃减压回收乙醇并浓缩至相对密度为1.04(60℃测),加水至鲜虫重量的3倍量,混匀,加热煮沸10min,待温度降至70℃时缓缓加入澄清剂,搅拌,放冷,冷藏过夜,滤过,即得美洲大蠊鲜虫澄清液;然后加入山梨酸钾和甘油,混匀,加水,混匀,滤过,于115℃灭菌40min,即得。
- 含有1~12任一所述方法制备的或权利要求13~14任一所述的美洲大蠊提取物,或权利要求15~23任一所述的制剂制备抗炎药物的应用。
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