CN112315903A - Rupatadine fumarate oral solution and preparation method thereof - Google Patents

Rupatadine fumarate oral solution and preparation method thereof Download PDF

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CN112315903A
CN112315903A CN202011313135.5A CN202011313135A CN112315903A CN 112315903 A CN112315903 A CN 112315903A CN 202011313135 A CN202011313135 A CN 202011313135A CN 112315903 A CN112315903 A CN 112315903A
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rupatadine fumarate
oral solution
solution
fumarate oral
rupatadine
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马燕辉
潘海群
侯培宁
戴信敏
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Beijing Fahrenheit Kaiyuan Pharmaceutical Technology Co ltd
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Abstract

The invention belongs to the field of medicines, and particularly relates to rupatadine fumarate oral solution and a preparation method thereof, wherein the preparation method of the rupatadine fumarate oral solution comprises the following steps: preparing rupatadine fumarate, a flavoring agent, an alcohol solvent, a bacteriostatic agent, a pH regulator and a coloring agent according to the formula amount; dissolving the rupatadine fumarate and the bacteriostatic agent in an alcohol solvent to obtain a solution A; dissolving the flavoring agent, the pH regulator and the coloring agent in water to obtain a solution B; and mixing the solution A and the solution B, adding water to fix the volume to the volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution. The rupatadine fumarate oral solution has good taste, can improve the medication safety and compliance of patients, especially children, and also has certain effects of clearing heat, moistening lung, relieving cough, moistening intestine and relaxing bowels.

Description

Rupatadine fumarate oral solution and preparation method thereof
Technical Field
The invention belongs to the field of medicines, and particularly relates to rupatadine fumarate oral solution and a preparation method thereof.
Background
Rupatadine Fumarate (FR, Rupatadine Fumarate) is chemically 8-chloro-6, 11-dihydro-11- [1- [ (5-methyl-3-pyridine) methyl ] -4-piperidinyl ] -5H-benzocyclohepta [1,2-b ] pyridine Fumarate. It was successfully developed by Uriach pharmaceutical, Spain, and first marketed in Spain in 2003. It is a new generation of tricyclic antihistamine medicine, has the dual effects of resisting histamine and antagonizing Platelet Activating Factor (PAF), and is the only strong and efficient antiallergic medicine which has the antihistaminic effect and antagonizing PAF activity and is on the market at present. The medicine can selectively block H1 receptor, has weak blocking effect on 5-hydroxytryptamine, acetylcholine, prostaglandin F2 and leukotriene D4, can be non-competitively combined with platelet activating factor receptor, and can inhibit sensitized cell degranulation. The traditional Chinese medicine composition has the advantages of definite action mechanism, good bioavailability, stable curative effect and the like and a good safe treatment window, so that the traditional Chinese medicine composition is in a more advantageous position in treating allergic inflammatory diseases.
Until now, the rupatadine fumarate preparation for children is only sold in the market abroad, the product dosage form on the market is oral liquid, the specification is 1mg/mL, and the indication is allergic rhinitis and persistent rhinorrhea of children of 2-11 years old. In order to mask the bitter taste, the prior art generally adopts the mode that saccharin sodium is added into a rupatadine fumarate preparation as a sweetening agent so as to improve the taste of the rupatadine fumarate preparation. But saccharin sodium salt has no nutritive value to human body except for causing sweet feeling in taste. When the food is eaten more, the normal secretion of digestive enzymes in intestines and stomach can be influenced, the absorption capacity of small intestines is reduced, the appetite is reduced, and the food threatens the health of human bodies greatly.
Therefore, research and development of the rupatadine fumarate oral solution which does not contain saccharin sodium, has better mouthfeel, is beneficial to the physical health of patients and improves the medication safety and the compliance of the patients, particularly children, are urgent.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the problem that the rupatadine fumarate preparation in the prior art is not enough in safety and taste in the aspect of taking medicines by patients, particularly children, the invention aims to provide the rupatadine fumarate oral solution and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a rupatadine fumarate oral solution, which comprises the following components in every 100ml of rupatadine fumarate oral solution:
Figure BDA0002790464960000021
wherein the flavoring agent comprises at least one of mogroside, xylitol and banana essence.
Preferably, the oral solution of rupatadine fumarate comprises per 100 ml:
Figure BDA0002790464960000022
wherein the flavoring agent is a mixture of mogroside, xylitol and banana essence.
In any of the above embodiments, preferably, the alcoholic solvent includes at least one of propylene glycol, isopropyl alcohol, ethanol, and polyethylene glycol; the mass ratio of the mogroside to the xylitol to the banana essence is 1: (500-1500): (2-30); the pH regulator comprises one of acetic acid-sodium acetate, acetic acid-ammonium acetate, citric acid-disodium hydrogen phosphate, and potassium dihydrogen phosphate-sodium hydroxide; the bacteriostatic agent comprises at least one of methyl hydroxybenzoate, ethylparaben, propyl hydroxybenzoate and butyl hydroxybenzoate; the colorant comprises at least one of sunset yellow, lemon yellow, quinoline yellow, carmine and indigo; the water includes one of purified water and distilled water.
In any of the above schemes, preferably, the mass ratio of mogroside, xylitol and banana essence is 1: (800-1100): (10-20).
In any of the above embodiments, preferably, when the pH adjuster is citric acid-disodium hydrogen phosphate, the mass ratio of the citric acid to the disodium hydrogen phosphate is 0.4 to 2.
In any of the above schemes, the pH of the rupatadine fumarate oral solution is preferably 5.0-6.0.
According to the rupatadine fumarate oral solution provided by the invention, the mogroside, the xylitol and the banana essence are used for replacing other corrigents such as saccharin sodium and the like, so that the oral solution has better taste, the medication safety and compliance of patients, particularly children, can be improved, and the rupatadine fumarate oral solution also has certain effects of clearing heat, moistening lung, relieving cough and relaxing bowel due to the mogroside.
In another aspect, the present invention further provides a method for preparing rupatadine fumarate oral solution according to any one of the above schemes, comprising the following steps:
preparing rupatadine fumarate, a flavoring agent, an alcohol solvent, a bacteriostatic agent, a pH regulator and a coloring agent according to the formula amount;
dissolving the rupatadine fumarate and the bacteriostatic agent in the alcohol solvent to obtain a solution A;
dissolving the flavoring agent, the pH regulator and the coloring agent in water to obtain a solution B;
and mixing the solution A and the solution B, adding water to fix the volume to the volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution.
Preferably, in the step of dissolving the rupatadine fumarate and the bacteriostatic agent in the alcohol solvent to obtain the solution a, the dissolving temperature is 40 to 70 ℃.
In any of the above embodiments, preferably, in the step of dissolving the flavoring agent, the pH adjuster, and the coloring agent in water to obtain the B solution, the temperature of the dissolution is 40 to 70 ℃.
In any of the above schemes, preferably, after the step of mixing the solution a and the solution B, adding water to a volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting the filtrate to obtain the rupatadine fumarate oral solution, the method further comprises:
and filling the rupatadine fumarate oral solution.
The preparation method of the rupatadine fumarate oral solution provided by the invention is convenient to operate, has low requirements on equipment conditions, is easy to realize, has simple post-treatment, and is suitable for industrial production.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention is further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The experimental reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the raw materials, instruments, equipment and the like used in the following examples are either commercially available or available by existing methods; the dosage of the experimental reagent is the dosage of the reagent in the conventional experimental operation if no special description exists; the experimental methods are conventional methods unless otherwise specified.
In one aspect, an embodiment of the present invention provides a rupatadine fumarate oral solution, which includes, per 100ml of rupatadine fumarate oral solution:
Figure BDA0002790464960000041
Figure BDA0002790464960000051
wherein the flavoring agent comprises at least one of mogroside, xylitol and banana essence.
According to the rupatadine fumarate oral solution provided by the embodiment of the invention, the mogroside, the xylitol and the banana essence are used for replacing other corrigents such as saccharin sodium and the like, so that the oral solution has better taste, and the medication safety and the compliance of patients, particularly children, can be improved.
Further, in each 100ml of rupatadine fumarate oral solution comprising:
Figure BDA0002790464960000052
wherein the flavoring agent is a mixture of mogroside, xylitol and banana essence.
The rupatadine fumarate oral solution provided by the embodiment of the invention has better taste, and has certain effects of clearing heat, moistening lung, relieving cough, moistening intestine and relaxing bowels due to the inclusion of mogroside.
Further, the alcohol solvent comprises at least one of propylene glycol, isopropanol, ethanol and polyethylene glycol, preferably, the alcohol solvent is propylene glycol, namely 1, 2-propylene glycol, and the solubility of rupatadine fumarate in the propylene glycol is the maximum.
Further, the mass ratio of the mogroside to the xylitol to the banana essence is 1: (500-1500): (2-30), for example, the mass ratio of the mogroside to the xylitol to the banana essence can be 1: 500: 2. 1: 600: 10. 1: 800: 15. 1: 1000: 20. 1: 1200: 25 or 1: 1500: 30, etc. The sweetness of the mogroside is released quickly, the duration time of the taste in the oral cavity is short, the xylitol is slightly cool after the mouth is entered, the mogroside has a synergistic effect with the sweetness of the mogroside, the three flavoring agents of the mogroside, the xylitol and the banana essence are mutually matched and are mutually synergistic, the bitterness of the rupatadine fumarate is perfectly covered, the taste of the oral solution of the rupatadine fumarate is better than that of the oral solution of the rupatadine fumarate disclosed in the prior art, and the medication compliance of patients, particularly children, is improved. Preferably, the mass ratio of the mogroside to the xylitol to the banana essence is 1: (800-1100): (10-20), for example, the mass ratio of the mogroside to the xylitol to the banana essence can be 1: 800: 10. 1: 900: 10. 1: 1000:16 or 1: 1100: 20, and the like, under the mass ratio, the oral solution of the rupatadine fumarate has the best taste.
Further, the pH regulator comprises one of acetic acid-sodium acetate, acetic acid-ammonium acetate, citric acid-disodium hydrogen phosphate and potassium dihydrogen phosphate-sodium hydroxide. The pH regulator is used for controlling the pH value of the rupatadine fumarate oral solution within the range of 5.0-6.0, and the dosage of the pH regulator can be determined according to the pH value of the rupatadine fumarate oral solution to be reached. Preferably, when the pH adjuster is citric acid-disodium hydrogen phosphate, the mass ratio of the citric acid to the disodium hydrogen phosphate is 0.4 to 2, for example, the mass ratio of the citric acid to the disodium hydrogen phosphate may be 0.4, 1, 1.5, 2, or the like. The proper citric acid increases a certain sour taste, the sour and sweet taste is more acceptable for patients, especially children, and the taste of the rupatadine fumarate oral solution is improved.
Further, the bacteriostatic agent comprises at least one of methyl hydroxybenzoate, ethyl hydroxybenzoate, propyl hydroxybenzoate and butyl hydroxybenzoate.
Further, the colorant comprises at least one of sunset yellow, lemon yellow, quinoline yellow, carmine and indigo.
Further, the water includes one of purified water and distilled water.
Further, the pH of the rupatadine fumarate oral solution is 5.0-6.0, for example, the pH of the rupatadine fumarate oral solution can be 5.0, 5.52 or 6.0. When the pH value of the rupatadine fumarate oral solution is too low, the stability of the rupatadine fumarate is reduced, and more impurities can be generated in the oral solution; when the pH value of the rupatadine fumarate oral solution is too high, the solubility of the rupatadine fumarate is reduced, and precipitates can be separated out from the oral solution. The pH value of the rupatadine fumarate oral solution is controlled within the range of 5.0-6.0, so that the stability of the rupatadine fumarate oral solution can be ensured, and the maximum bioavailability of the rupatadine fumarate oral solution can be ensured.
In a second aspect, an embodiment of the present invention further provides a method for preparing the rupatadine fumarate oral solution according to any one of the first aspect, including the following steps:
(1) preparing rupatadine fumarate, a flavoring agent, an alcohol solvent, a bacteriostatic agent, a pH regulator and a coloring agent according to the formula amount;
(2) dissolving the rupatadine fumarate and the bacteriostatic agent in the alcohol solvent to obtain a solution A;
(3) dissolving the flavoring agent, the pH regulator and the coloring agent in water to obtain a solution B;
(4) and mixing the solution A and the solution B, adding water to fix the volume to the volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution.
The preparation method of the rupatadine fumarate oral solution provided by the embodiment of the invention is convenient to operate, has low requirements on equipment conditions, is easy to realize, has simple post-treatment, and is suitable for industrial production.
Further, in the step of dissolving the rupatadine fumarate and the bacteriostatic agent in the alcohol solvent to obtain the solution A, the dissolving temperature is 40-70 ℃, and the solubility of the rupatadine fumarate and the bacteriostatic agent is higher at the temperature. For example, the temperature may be 40 ℃, 50 ℃, 60 ℃, or 70 ℃, etc.
Further, in the step of dissolving the flavoring agent, the pH regulator and the coloring agent in water to obtain the solution B, the dissolving temperature is 40-70 ℃, and the solubility of the flavoring agent, the pH regulator and the coloring agent is higher at the temperature. For example, the temperature may be 40 ℃, 50 ℃, 60 ℃, or 70 ℃, etc.
Further, after the steps of mixing the solution A and the solution B, adding water to a constant volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution, the method further comprises the following steps:
the rupatadine fumarate oral solution is filled, for example, by filling the rupatadine fumarate oral solution with a plastic bottle.
The rupatadine fumarate oral solution of the embodiment of the invention preferably comprises the following components in every 100 milliliters of the rupatadine fumarate oral solution:
Figure BDA0002790464960000081
wherein the flavoring agent is a mixture of mogroside, xylitol and banana essence.
The preferable steps of the preparation method of the rupatadine fumarate oral solution provided by the embodiment of the invention are as follows:
(1) preparing rupatadine fumarate, a flavoring agent, an alcohol solvent, a bacteriostatic agent, a pH regulator and a coloring agent according to the formula amount;
(2) dissolving the rupatadine fumarate and the bacteriostatic agent in propylene glycol at 40-70 ℃ to obtain a solution A;
(3) dissolving citric acid-disodium hydrogen phosphate, mogroside, xylitol, banana essence and a coloring agent in a proper amount of purified water at 40-70 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution.
The invention is described in further detail with reference to a part of the test results, which are described in detail below with reference to specific examples.
Test example 1
In this test example, the high-intensity sweetener was screened, and the contents of the components of each sample are shown in table 1 based on 100ml of rupatadine fumarate oral solution, and the preparation method was:
(1) weighing the components according to the formula;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 50 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, high-sweetness sweetening agent and cane sugar in proper amount of purified water at 50 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution.
TABLE 1 component content of each sample
Figure BDA0002790464960000091
200 subjects with the ages ranging from 10 years to 50 years are selected, wherein 100 men and 100 women respectively select a sample with the best taste, and the test results are shown in table 2.
TABLE 2 high intensity sweetener test results
Sample numbering 1-1 1-2 1-3 1-4 1-5 1-6 1-7
Number of people 30 15 9 10 5 8 123
From the results of the tests, 123 subjects considered samples 1-7 to be the best tasting, and therefore mogroside was selected as the flavoring agent in the present invention.
Test example 2
In this test example, low-intensity sweeteners were screened, and the contents of each component in each sample based on 100ml of rupatadine fumarate oral solution are shown in table 3, and the preparation method was different from that in test example 1 in that: in the step (3), citric acid, disodium hydrogen phosphate, mogroside, and a low-sweetness sweetener were dissolved in an appropriate amount of purified water at 50 ℃ to obtain a solution B, and the remaining steps were the same as in test example 1.
TABLE 3 component content of each sample
Figure BDA0002790464960000101
200 subjects with the ages ranging from 10 years to 50 years are selected, wherein 100 men and 100 women respectively select a sample with the best taste, and the test results are shown in table 4.
TABLE 4 Low sweetness sweetener test results
Sample numbering 1-7 2-1 2-2 2-3
Number of people 42 135 15 8
From the test results, 135 subjects considered sample 2-1 to have the best mouthfeel, and therefore, xylitol could be selected as the flavoring agent in the present invention.
Test example 3
In this test example, flavor seasonings were screened, and the contents of the components of each sample in 100ml of rupatadine fumarate oral solution are shown in table 5, which was different from that in test example 1 in that: in step (3), citric acid, disodium hydrogen phosphate, mogroside, xylitol, and a flavor seasoning were dissolved in an appropriate amount of purified water at 50 ℃ to obtain a solution B, and the remaining steps were the same as in test example 1.
TABLE 5 component content of each sample
Figure BDA0002790464960000111
200 subjects with the ages ranging from 10 years to 50 years are selected, wherein 100 men and 100 women respectively select a sample with the best taste, and the test results are shown in table 6.
Table 6 flavor testing results
Sample numbering 3-1 3-2 3-3 3-4
Number of people 95 47 39 19
From the test results, 95 subjects considered the sample 3-1 to have the best mouthfeel, and therefore, banana essence can be selected as a flavoring agent in the invention.
Test example 4
In this test example, the ratio of the flavoring agent was examined, and the contents of the components in each sample based on 100ml of rupatadine fumarate oral solution are shown in table 7, and the preparation method is different from that in test example 1 in that: in the step (3), citric acid, disodium hydrogen phosphate, mogroside, xylitol, banana essence and quinoline yellow are dissolved in a proper amount of purified water at 50 ℃ to obtain a solution B, and the rest steps are the same as those in the test example 1.
TABLE 7 component content of each sample
Figure BDA0002790464960000121
200 subjects with the ages ranging from 10 years to 50 years are selected, wherein 100 men and 100 women respectively select a sample with the best taste, and the test results are shown in Table 8.
Table 8 flavor ratio test results
Sample numbering 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8
Number of people 15 20 12 28 24 20 50 31
According to the test result, 50 subjects consider that the samples 4-7 have the best mouthfeel, and the formula flavoring agent is composed of mogroside: xylitol: banana essence is 1: 1000:16, moderate sweetness, short duration in the oral cavity and minimal bitterness.
Test example 5
In this test example, the ratio of the pH adjusting agent was examined, and the contents of the components of each sample based on 100ml of rupatadine fumarate oral solution are shown in table 9, and the preparation method is different from that of test example 1 in that: in the step (3), citric acid, disodium hydrogen phosphate, mogroside, xylitol, banana essence and quinoline yellow are dissolved in a proper amount of purified water at 50 ℃ to obtain a solution B, and the rest steps are the same as those in the test example 1.
TABLE 9 content of each sample component
Figure BDA0002790464960000131
200 subjects with the ages ranging from 10 years to 50 years are selected, wherein 100 men and 100 women respectively select a sample with the best taste, and the test results are shown in a table 10.
TABLE 10 test results of pH modifier ratio
Sample numbering 4-7 5-1 5-2 5-3 5-4
Number of people 45 25 33 60 37
From the results of the tests, 60 subjects considered samples 5-3 to have the best mouthfeel, the formulation pH adjuster ratio was 0.57, the appropriate citric acid added some sourness, and the sour-sweet taste made the subjects more acceptable.
Test example 6
The test example investigates the influence of different pH values on the stability of the main drug of the rupatadine fumarate oral solution, wherein the content of each sample component is shown in table 11 based on 100ml of the rupatadine fumarate oral solution, and the preparation method is the same as that of the test example 5.
TABLE 11 component content of each sample
Figure BDA0002790464960000132
Figure BDA0002790464960000141
Putting each sample into a transparent colorless glass bottle, sealing, placing at 40 ℃, sampling for detection on the 30 th day after lofting, and determining the content of impurities in the rupatadine fumarate oral solution according to high performance liquid chromatography (China pharmacopoeia 2020 edition four ministry of general rules 0512), wherein the determination results are shown in Table 12.
TABLE 12 measurement results of impurity content of each sample
Figure BDA0002790464960000142
According to the quality standard of rupatadine fumarate in European pharmacopoeia and British pharmacopoeia and the detection results of foreign market samples and homemade samples, the limit of related substances is drawn up: impurity A should not exceed 1.0%, impurity B should not exceed 0.5%, impurity C should not exceed 0.2%, other individual impurities should not exceed 0.2%, and the total amount of impurities should not exceed 2.0%.
Impurities A-C are impurities of known structure, also called related species, the largest unknown single impurity is an impurity of unknown specific structure and molecular formula, and the total impurity is the sum of all impurities in the sample. According to the self-proposed standard, each impurity needs to be less than the limit to ensure the safety of medication.
From the measurement results, it was found that: when each sample is placed at 40 ℃ for 30 days, the detection of related substances meets the quality standard limit; the amount of impurity A decreases with increasing pH, and the amount of impurity B is substantially unchanged from that of impurity C.
When the sample 5-1 is placed at 40 ℃ for 30 days, the amount of the impurity A is 0.852%, the total impurity is 0.962%, and the related substance amount is increased more than that of the sample at 0 day; when the sample 5-2 is placed at 40 ℃ for 30 days, the amount of the impurity A is 0.645 percent, the total impurities are 0.752 percent, and the related substance amount is increased more than that of the sample for 0 day; when the samples 4 to 7 are placed at 40 ℃ for 30 days, the amount of the impurity A is 0.238 percent, the total impurities are 0.334 percent, and the change of related substances is relatively stable compared with 0 day; when the sample 6-2 is placed at 40 ℃ for 30 days, the amount of the impurity A is 0.194 percent, the total impurities are 0.301 percent, and the change of related substances is relatively stable in comparison with 0 day; when the sample 5-3 is placed at 40 ℃ for 30 days, the amount of the impurity A is 0.125 percent, the total impurities are 0.320 percent, and the change of related substances is relatively stable in comparison with 0 day; when the sample 5-4 is placed at 40 ℃ for 30 days, the amount of the impurity A is 0.066%, the total impurities are 0.308%, and the change of related substances is relatively stable compared with 0 day.
When the pH value of the rupatadine fumarate oral solution is controlled to be more than 6.0, the raw material can be separated out, and further investigation is not carried out.
In conclusion, the pH value of the oral liquid influences the stability of the main medicine, the pH is controlled within the range of 5.0-6.0, and the rupatadine fumarate oral liquid is most stable.
The contents of the components of the rupatadine fumarate oral solutions of examples 1-5 and the contents of the components of the rupatadine fumarate oral solutions of examples 6-10 are shown in table 13 and table 14, respectively, based on 100ml of the rupatadine fumarate oral solution.
TABLE 13 examples 1-5 Rupatadine fumarate oral solution component content
Figure BDA0002790464960000151
Figure BDA0002790464960000161
TABLE 14 examples 6-10 Rupatadine fumarate oral solution component content
Figure BDA0002790464960000162
Example 1
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 13.
The preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of mogroside, 30.000g of xylitol, 0.200g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 50 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, mogroside, xylitol, banana essence and quinoline yellow in a proper amount of purified water at 50 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 5.52, and then filling.
Example 2
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 13.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 1 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 40.000g of xylitol, 0.200g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared, and the rest steps are the same as in the example 1.
Example 3
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 13.
The preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.200g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 40 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, mogroside, xylitol, banana essence and quinoline yellow in a proper amount of purified water at 40 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 5.52, and then filling.
Example 4
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 13.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 3 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.400g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared, and the rest steps are the same as in the example 3.
Example 5
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 13.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 1 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared, and the rest steps are the same as in the example 1.
Example 6
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 14.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 1 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 1.200g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared, and the rest steps are the same as in the example 1.
Example 7
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 14.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 1 is that: in the step (1), 0.128g of rupatadine fumarate, 0.030g of mogroside, 36.000g of xylitol, 0.300g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.397g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared; in the step (4), the pH value of the rupatadine fumarate oral solution is 5.04; the rest of the procedure was the same as in example 1.
Example 8
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 14.
The preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.768g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 60 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, mogroside, xylitol, banana essence and quinoline yellow in a proper amount of purified water at 60 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 4.01, and then filling.
Example 9
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 14.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 8 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.558g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared; in the step (4), the pH value of the rupatadine fumarate oral solution is 4.50; the remaining procedure was the same as in example 8.
Example 10
The contents of the components of the rupatadine fumarate oral solution provided in this example are shown in table 14.
The difference between the preparation method of the rupatadine fumarate oral solution provided by the embodiment and the preparation method of the rupatadine fumarate oral solution provided by the embodiment 1 is that: in the step (1), 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.246g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow are prepared; in the step (4), the pH value of the rupatadine fumarate oral solution is 5.99; the rest of the procedure was the same as in example 1.
Comparative example 1
Selecting a commercial rupatadine fumarate oral solution containing saccharin sodium, wherein the commercial Rupafin fumarate oral solution is sold by Vifor PHarma
Figure BDA0002790464960000202
S.L.。
Comparative example 2
The rupatadine fumarate oral solution comprises the following components in percentage by 100 milliliters of the rupatadine fumarate oral solution:
Figure BDA0002790464960000201
the preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of aspartame, 50.000g of xylitol, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 50 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, aspartame, xylitol, banana essence and quinoline yellow in a proper amount of purified water at 50 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 5.52, and then filling.
Comparative example 3
The rupatadine fumarate oral solution comprises the following components in percentage by 100 milliliters of the rupatadine fumarate oral solution:
Figure BDA0002790464960000211
the preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of cane sugar, 0.800g of banana essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 50 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, mogroside, sucrose, banana essence and quinoline yellow in a proper amount of purified water at 50 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 5.52, and then filling.
Comparative example 4
The rupatadine fumarate oral solution comprises the following components in percentage by 100 milliliters of the rupatadine fumarate oral solution:
Figure BDA0002790464960000221
the preparation method of the rupatadine fumarate oral solution provided by the embodiment comprises the following steps:
(1) preparing 0.128g of rupatadine fumarate, 0.050g of mogroside, 50.000g of xylitol, 0.800g of strawberry essence, 20.000g of propylene glycol, 0.1g of methylparaben, 0.323g of citric acid, 0.568g of disodium hydrogen phosphate and 0.0001g of quinoline yellow;
(2) dissolving rupatadine fumarate and methylparaben in propylene glycol at 50 ℃ to obtain a solution A;
(3) dissolving citric acid, disodium hydrogen phosphate, mogroside, xylitol, strawberry essence and quinoline yellow in a proper amount of purified water at 50 ℃ to obtain a solution B;
(4) and mixing the solution A and the solution B, adding purified water to a constant volume of 100mL, filtering, collecting filtrate to obtain the rupatadine fumarate oral solution, wherein the pH value of the rupatadine fumarate oral solution is 5.52, and then filling.
Rupatadine fumarate oral solution taste testing
500 subjects were selected, aged from 10 years to 50 years, 250 men and 250 women, and example 1, example 2 and example 5 were randomly selected from 10 examples and tested together with comparative example, and each subject was tasted for example 1, example 2, example 5, comparative example 1, comparative example 2, comparative example 3 and comparative example 4, respectively, and given 5 points, 4 points, 3 points, 2 points and 1 point, respectively, according to the taste. The mouthfeel was best at 5 min and the mouthfeel was worst at 1 min, and the test results are shown in the following table.
Results of taste testing of different examples and comparative examples
Figure BDA0002790464960000231
As can be seen from the results of the mouthfeel tests of the different examples and comparative examples: when the taste test was performed on example 1, the number of people scored 5 was 349, the number of people scored 4 was 143, the number of people scored 3 was 7, and the number of people scored 2 was 1; when the taste test was performed on example 2, the number of people scored 5 was 378, the number of people scored 4 was 110, and the number of people scored 3 was 12; when the taste test was performed on example 5, the number of people scored 5 was 391, the number of people scored 4 was 98, the number of people scored 3 was 10, and the number of people scored 2 was 1; when the taste test was performed on comparative example 1, the number of people scored 5 was 70, the number of people scored 4 was 100, the number of people scored 3 was 300, the number of people scored 2 was 25, and the number of people scored 1 was 5; when the taste test was performed on comparative example 2, the number of people scored 5 was 100, the number of people scored 4 was 224, the number of people scored 3 was 173, and the number of people scored 2 was 3; when the taste test of comparative example 3 was performed, the number of people who rated 5 was 150, the number of people who rated 4 was 170, the number of people who rated 3 was 178, and the number of people who rated 2 was 2; when the taste test was performed on comparative example 4, the number of people scored 5 was 170, the number of people scored 4 was 210, the number of people scored 3 was 119, and the number of people scored 2 was 1. Therefore, the taste of the rupatadine fumarate oral solution is far better than that of other rupatadine fumarate oral solutions, the mogroside, the xylitol and the banana essence are synergistic, the bitter taste of the rupatadine fumarate is improved and covered together, any one component is replaced by other components, and the taste is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A rupatadine fumarate oral solution comprising, per 100 milliliters of rupatadine fumarate oral solution:
Figure FDA0002790464950000011
wherein the flavoring agent comprises at least one of mogroside, xylitol and banana essence.
2. The rupatadine fumarate oral solution of claim 1, comprising per 100 milliliters of rupatadine fumarate oral solution:
Figure FDA0002790464950000012
wherein the flavoring agent is a mixture of mogroside, xylitol and banana essence.
3. The rupatadine fumarate oral solution of any of claims 1-2,
the alcohol solvent comprises at least one of propylene glycol, isopropanol, ethanol and polyethylene glycol;
the mass ratio of the mogroside to the xylitol to the banana essence is 1: (500-1500): (2-30);
the pH regulator comprises one of acetic acid-sodium acetate, acetic acid-ammonium acetate, citric acid-disodium hydrogen phosphate, and potassium dihydrogen phosphate-sodium hydroxide;
the bacteriostatic agent comprises at least one of methyl hydroxybenzoate, ethylparaben, propyl hydroxybenzoate and butyl hydroxybenzoate;
the colorant comprises at least one of sunset yellow, lemon yellow, quinoline yellow, carmine and indigo;
the water includes one of purified water and distilled water.
4. The rupatadine fumarate oral solution of any of claims 1-2, wherein the mass ratio of mogroside, xylitol, and banana essence is 1: (800-1100): (10-20).
5. The rupatadine fumarate oral solution of any of claims 1-2, wherein when the pH adjuster is citric acid-disodium hydrogen phosphate, the mass ratio of the citric acid to the disodium hydrogen phosphate is 0.4-2.
6. The rupatadine fumarate oral solution of any of claims 1-2, wherein the rupatadine fumarate oral solution has a pH of 5.0 to 6.0.
7. The process for the preparation of rupatadine fumarate oral solution according to any of claims 1-2, comprising the steps of:
preparing rupatadine fumarate, a flavoring agent, an alcohol solvent, a bacteriostatic agent, a pH regulator and a coloring agent according to the formula amount;
dissolving the rupatadine fumarate and the bacteriostatic agent in the alcohol solvent to obtain a solution A;
dissolving the flavoring agent, the pH regulator and the coloring agent in water to obtain a solution B;
and mixing the solution A and the solution B, adding water to fix the volume to the volume of the rupatadine fumarate oral solution specified by the formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution.
8. The method for preparing rupatadine fumarate oral solution of claim 7, wherein in the step of dissolving said rupatadine fumarate and said bacteriostatic agent in said alcoholic solvent to obtain solution A:
the dissolving temperature is 40-70 ℃.
9. The method for preparing rupatadine fumarate oral solution of claim 7, wherein in the step of dissolving the flavoring agent, the pH adjusting agent and the coloring agent in water to obtain B solution:
the dissolving temperature is 40-70 ℃.
10. The method for preparing rupatadine fumarate oral solution of claim 7, wherein after the steps of mixing the solution A and the solution B, adding water to a volume of the rupatadine fumarate oral solution specified by a formula, filtering, and collecting filtrate to obtain the rupatadine fumarate oral solution, the method further comprises the following steps:
and filling the rupatadine fumarate oral solution.
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