CN113181239A - Oral disinfectant and preparation method thereof - Google Patents

Oral disinfectant and preparation method thereof Download PDF

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CN113181239A
CN113181239A CN202110534038.7A CN202110534038A CN113181239A CN 113181239 A CN113181239 A CN 113181239A CN 202110534038 A CN202110534038 A CN 202110534038A CN 113181239 A CN113181239 A CN 113181239A
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deionized water
amount
oral disinfectant
ethanol
oral
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车彦海
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Jilin Kunrong Technology Co ltd
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Abstract

The invention relates to an oral disinfectant and a preparation method thereof, belonging to the technical field of sanitary disinfection articles. Solves the technical problems that the oral disinfectant in the prior art is mostly a chemical preparation and has great side effect. The oral disinfectant disclosed by the invention comprises, by 1000mL, 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside, 2.5g of sodium benzoate and the balance of deionized water. The oral disinfectant has good effect and no toxic or side effect.

Description

Oral disinfectant and preparation method thereof
Technical Field
The invention belongs to the technical field of sanitary disinfection articles, and particularly relates to an oral cavity disinfectant and a preparation method thereof.
Background
Oral health is closely related to general health. Infection and inflammation factors in the oral cavity can cause or aggravate chronic diseases such as cardiovascular and cerebrovascular diseases, diabetes and the like, harm the health of the whole body and influence the quality of life. Dental caries and periodontal disease destroy tooth hard tissue and supporting tissue around tooth, not only affect chewing, speech, beauty and other functions, but also cause social interaction difficulty and psychological disorder. Oral infections in pregnant women are a risk factor for premature birth and low birth weight infants. The world health organization ranks oral health as one of ten major standards of human health. The standard of oral health is clean teeth, no caries, no pain, normal gum color, and no bleeding.
The focus of oral hygiene is to control bacterial plaque, remove dirt and food residues, enhance physiological stimulation, and provide a clean and healthy environment for the oral cavity and the dental jaw system, thereby exerting the physiological functions and maintaining the oral health.
The oral disinfectant is an article for disinfecting the oral cavity in a mouth rinsing mode, but most of the oral disinfectant in the prior art is chemical agents and has great side effects.
Disclosure of Invention
The invention aims to solve the technical problem that the oral disinfectant in the prior art is mostly a chemical preparation and has great side effects, and provides the oral disinfectant and the preparation method thereof.
The technical scheme adopted by the invention for achieving the purpose is as follows.
The invention provides an oral disinfectant, which comprises 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside, 2.5g of sodium benzoate and the balance of deionized water, wherein the amount of the deionized water is 1000 mL.
Preferably, the pH value of the oral disinfectant is 6.5-7.8.
Preferably, the oral disinfectant has a relative density of 1.05 to 1.09.
The invention also provides a preparation method of the oral disinfectant, which comprises the following steps:
step one, taking 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside and 2.5g of sodium benzoate;
step two, cleaning the honeysuckle, adding deionized water for a plurality of times for decoction, combining decoction, filtering, decompressing and compressing the filtrate until the relative density is 1.15(50 ℃), cooling, adding ethanol, stirring uniformly, standing overnight, filtering, decompressing the filtrate to remove the ethanol to obtain honeysuckle extract;
cleaning rhizoma Menispermi, decocting with deionized water for several times, mixing decoctions, filtering, vacuum compressing the filtrate to relative density of 1.15(50 deg.C), cooling, adding ethanol, stirring, standing overnight, filtering, and removing ethanol from the filtrate under reduced pressure to obtain rhizoma Menispermi extractive solution;
step three, mixing the honeysuckle extract and the asiatic moonseed rhizome extract uniformly, adding deionized water to 750mL, then adding menthol, dissolving, adding sodium benzoate, citric acid, chitosan oligosaccharide and stevioside, and stirring until the sodium benzoate, the citric acid, the chitosan oligosaccharide and the stevioside are dissolved to obtain a mixed solution;
step four, dissolving sodium bicarbonate in 250mL of deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
Preferably, in the second step, the process of adding deionized water for many times for decoction respectively comprises: adding deionized water in an amount which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, adding deionized water in an amount which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, and finally adding deionized water in an amount which is 6 times of the amount of the medicinal materials, and decocting for 20 minutes.
Preferably, in the second step, the amount of ethanol is 3 times of the amount of the medicinal materials, the concentration of ethanol is 95%, and after the ethanol is added, the ethanol content of the solution is 70%.
Preferably, the step five further comprises subpackaging and sealing before autoclaving.
Compared with the prior art, the invention has the beneficial effects that:
the oral disinfectant has good effect and no toxic or side effect.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention, but it is to be understood that the description is intended to illustrate further features and advantages of the invention, and not to limit the scope of the claims.
The oral disinfectant disclosed by the invention comprises, by 1000mL, 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside, 2.5g of sodium benzoate and the balance of deionized water.
In the technical scheme, the pH value of the oral disinfectant is preferably 6.5-7.8.
In the technical scheme, the relative density of the oral disinfectant is preferably 1.05-1.09.
The preparation method of the oral disinfectant disclosed by the invention comprises the following steps of:
step one, taking 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside and 2.5g of sodium benzoate;
step two, cleaning the honeysuckle, adding deionized water for a plurality of times for decoction, combining decoction, filtering, decompressing and compressing the filtrate until the relative density is 1.15(50 ℃), cooling, adding ethanol, stirring uniformly, standing overnight, filtering, decompressing the filtrate to remove the ethanol to obtain honeysuckle extract;
cleaning rhizoma Menispermi, decocting with deionized water for several times, mixing decoctions, filtering, vacuum compressing the filtrate to relative density of 1.15(50 deg.C), cooling, adding ethanol, stirring, standing overnight, filtering, and removing ethanol from the filtrate under reduced pressure to obtain rhizoma Menispermi extractive solution;
step three, mixing the honeysuckle extract and the asiatic moonseed rhizome extract uniformly, adding deionized water to 750mL, then adding menthol, dissolving, adding sodium benzoate, citric acid, chitosan oligosaccharide and stevioside, and stirring until the sodium benzoate, the citric acid, the chitosan oligosaccharide and the stevioside are dissolved to obtain a mixed solution;
step four, dissolving sodium bicarbonate in 250mL of deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
In the above technical scheme, in the second step, the process of adding deionized water for multiple times for decoction respectively comprises: adding deionized water in an amount which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, adding deionized water in an amount which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, and finally adding deionized water in an amount which is 6 times of the amount of the medicinal materials, and decocting for 20 minutes.
In the technical scheme, in the second step, the amount of the ethanol is 3 times of the amount of the medicinal materials, the concentration of the ethanol is 95%, and after the ethanol is added, the ethanol content of the solution is 70%.
In the above technical scheme, step five, still include partial shipment, closing cap before autoclaving.
In the above technical scheme, in the fifth step, high-pressure sterilization is adopted for sterilization.
The oral disinfectant disclosed by the invention has the following principle:
1. the chitosan oligosaccharide is formed by connecting 2-20 glucosamine through beta-1, 4-glycosidic bonds. The molecular weight is about 2000, and the product is easily dissolved in water and most easily absorbed by human body. The amino group contained in the molecular structure of the chitosan oligosaccharide is alkaline, so that the pH value of body fluid can be increased, and the growth of bacteria can be inhibited. It can inhibit severe damage of tissues and organs caused by over-activation of neutrophils. The chitosan oligosaccharide has bidirectional regulation effect on macrophages: firstly, the chitosan oligosaccharide can activate macrophages in a resting state, and enhance the migration activity of the macrophages and the capability of phagocytosing bacteria; secondly, the chitosan oligosaccharide plays an anti-inflammatory role through the combination with related proteins; and the chitosan oligosaccharide has a broad-spectrum antibacterial effect, can inhibit the growth of most bacteria such as escherichia coli, salmonella, porphyromonas gingivalis, actinobacillus, staphylococcus aureus, streptococcus and the like, and particularly has a very obvious antibacterial effect on staphylococcus aureus.
2. The honeysuckle contains chlorogenic acid and other active ingredients, has strong inhibiting effect on streptococcus, staphylococcus aureus, porphyromonas gingivalis, actinobacillus and the like, and also has the effects of relieving pain and promoting wound healing.
3. Rhizoma Menispermi has effects of clearing heat and detoxicating, relieving sore throat and eliminating swelling, and has adjuvant treatment effect on oral ulcer, periodontitis, gingivitis, etc.
4. The chitosan oligosaccharide, the honeysuckle and the asiatic moonseed rhizome are jointly used in the oral disinfectant, and have the effects of mutual supplement and promotion.
The terms used in the present invention generally have meanings commonly understood by those of ordinary skill in the art, unless otherwise specified. In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the following embodiments.
In the following examples, various procedures and methods not described in detail are conventional methods well known in the art. Materials, reagents, devices, instruments, apparatuses and the like used in the following examples are commercially available unless otherwise specified.
Comparative example 1
The oral disinfectant comprises, by 1000mL, honeysuckle (six groups, blank group 0g, group a 6.25g, group b 12.5g, group c 25g, group d 50g, group e 100g), asiatic moonseed 50g, menthol 0.50g, citric acid 2.5g, sodium bicarbonate 7.5g, stevioside 2.0g, sodium benzoate 2.5g, and the balance deionized water.
The preparation method of the oral disinfectant comprises the following steps:
step one, taking honeysuckle, asiatic moonseed rhizome, menthol, citric acid, sodium bicarbonate, stevioside and sodium benzoate according to the composition and the mixture ratio;
step two, cleaning honeysuckle, firstly adding deionized water which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, then adding deionized water which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, finally adding deionized water which is 6 times of the amount of the medicinal materials, decocting for 20 minutes, combining decoction, filtering, decompressing and compressing filtrate until the relative density is 1.15(50 ℃), cooling, adding 95% ethanol which is 3 times of the amount of the medicinal materials, uniformly stirring, standing overnight, filtering, decompressing the filtrate to remove the ethanol, and obtaining honeysuckle extract;
cleaning Asiatic moonseed rhizome, firstly adding deionized water which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, then adding deionized water which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, finally adding deionized water which is 6 times of the amount of the medicinal materials, decocting for 20 minutes, combining decoction liquids, filtering, decompressing and compressing filtrate until the relative density is 1.15(50 ℃), cooling, adding 95% ethanol which is 3 times of the amount of the medicinal materials, uniformly stirring, standing overnight, filtering, decompressing the filtrate to remove the ethanol, and obtaining Asiatic moonseed rhizome extract;
step three, mixing the honeysuckle extract and the asiatic moonseed rhizome extract uniformly, adding deionized water to 750mL, then adding menthol, adding sodium benzoate, citric acid and stevioside after dissolving, and stirring until dissolving to obtain a mixed solution;
step four, dissolving sodium bicarbonate in 250mL of deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
The oral disinfectant of comparative example 1 is taken to treat 3 pathogenic bacteria in the oral cavity: streptococcus mutans, Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans were subjected to bacteriostatic experiments, and the results are shown in Table 1.
TABLE 1 oral disinfectant of comparative example 1 having antibacterial effect on common pathogenic bacteria in oral cavity
Figure BDA0003068934320000051
Comparative example 2
The oral disinfectant comprises, by 1000mL, chitosan oligosaccharide (six groups, blank group 0g, a1 group 2.5g, b1 group 5.0g, c1 group 10g, d1 group 20g, e1 group 40g), asiatic moonseed rhizome 50g, menthol 0.50g, citric acid 2.5g, sodium bicarbonate 7.5g, stevioside 2.0g, sodium benzoate 2.5g, and the balance of deionized water.
The preparation method of the oral disinfectant comprises the following steps:
step one, taking chitosan oligosaccharide, asiatic moonseed rhizome, menthol, citric acid, sodium bicarbonate, stevioside and sodium benzoate according to the composition and the mixture ratio;
step two, cleaning the Asiatic moonseed rhizome, firstly adding deionized water which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, then adding deionized water which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, finally adding deionized water which is 6 times of the amount of the medicinal materials, decocting for 20 minutes, combining the decoction solutions, filtering, decompressing and compressing the filtrate until the relative density is 1.15(50 ℃), cooling, adding 95% ethanol which is 3 times of the amount of the medicinal materials, uniformly stirring, standing overnight, filtering, decompressing the filtrate to remove the ethanol, and obtaining an Asiatic moonseed rhizome extracting solution;
step three, adding deionized water to the Asiatic moonseed rhizome extract to 750mL, then adding menthol, dissolving, adding sodium benzoate, citric acid, chitosan oligosaccharide and stevioside, and stirring until the sodium benzoate, the citric acid, the chitosan oligosaccharide and the stevioside are dissolved to obtain a mixed solution;
step four, dissolving sodium bicarbonate in 250mL of deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
The oral disinfectant of comparative example 2 is taken to treat 3 pathogenic bacteria in the oral cavity: streptococcus mutans, Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans were subjected to bacteriostatic experiments, and the results are shown in Table 2.
TABLE 2 oral disinfectant of comparative example 2 with bacteriostatic rate against common pathogenic bacteria in oral cavity
Figure BDA0003068934320000061
Example 1
The oral disinfectant comprises, by 1000mL, 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside, 2.5g of sodium benzoate and the balance of deionized water.
The invention also provides a preparation method of the oral disinfectant, which comprises the following steps:
step one, taking 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside and 2.5g of sodium benzoate;
step two, cleaning honeysuckle, firstly adding deionized water which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, then adding deionized water which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, finally adding deionized water which is 6 times of the amount of the medicinal materials, decocting for 20 minutes, combining decoction, filtering, decompressing and compressing filtrate until the relative density is 1.15(50 ℃), cooling, adding 95% ethanol which is 3 times of the amount of the medicinal materials, uniformly stirring, standing overnight, filtering, decompressing the filtrate to remove the ethanol, and obtaining honeysuckle extract;
cleaning Asiatic moonseed rhizome, firstly adding deionized water which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, then adding deionized water which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, finally adding deionized water which is 6 times of the amount of the medicinal materials, decocting for 20 minutes, combining decoction liquids, filtering, decompressing and compressing filtrate until the relative density is 1.15(50 ℃), cooling, adding 95% ethanol which is 3 times of the amount of the medicinal materials, uniformly stirring, standing overnight, filtering, decompressing the filtrate to remove the ethanol, and obtaining Asiatic moonseed rhizome extract;
step three, mixing the honeysuckle extract and the asiatic moonseed rhizome extract uniformly, adding deionized water to 750mL, then adding menthol, dissolving, adding sodium benzoate, citric acid, chitosan oligosaccharide and stevioside, and stirring until the sodium benzoate, the citric acid, the chitosan oligosaccharide and the stevioside are dissolved to obtain a mixed solution;
dissolving sodium bicarbonate in deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
1. The oral disinfectant of example 1 is taken to treat 3 pathogenic bacteria in the oral cavity: streptococcus mutans, Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans were subjected to bacteriostatic experiments, and the results are shown in Table 3.
Table 3 bacteriostasis rate of oral disinfectant of example 1 to common oral pathogenic bacteria
Figure BDA0003068934320000071
As can be seen from Table 3, the chitosan oligosaccharide and the decoction of honeysuckle can improve the bacteriostasis rate.
2. Preventing and treating oral ulcer
Pathological modeling and administration method: firstly, a surgical forceps with a soft rubber pipe sleeve is used for prying open the mouth of a rat, the tongue is slightly pulled out by another forceps, a round filter paper sheet soaked with 100% acetic acid solution and 6mm in thickness is placed on the tongue surface to turn white, then redness and swelling occur, and ulcer begins to appear after acute inflammatory reaction of heat pain occurs for one day. After pathology 50 rats were randomly divided into five groups of 10 rats each. The first group was a control group, which was not dosed after molding, and 3 ml/one of distilled water was administered to rinse the tongue surface three times a day. The second group is prepared by rinsing the tongue surface with clotrimazole gargle (per 500 ml containing chlorhexidine gluconate 0.6 g, metronidazole 0.1 g, glycerol 25 ml, and concentrated peppermint water 5 ml) 3 ml/piece three times per day. The third, fourth and fifth groups are used for washing the tongue surface with the oral disinfectant of the embodiment 1 three times a day, and the dosage is 1 ml/piece (low dosage), 2 ml/piece (medium dosage) and 3 ml/piece (high dosage), and the tongue surface is washed and administered for one week. The results of the experiment are shown in table 4.
The experimental results show that: after the tongue of the animal is subjected to chemical corrosion to cause acute inflammation, the animal can not eat at the beginning, the oral disinfectant solution group in the embodiment 1 can eat after the tongue surface of the animal is flushed for the third day for two days, meanwhile, the swelling of the modeling ulcer surface is seen to subside, the ulcer begins to shrink after the flushing for the fourth day, the appetite is gradually recovered, and the tongue surface ulcer of the animal begins to disappear after the seventh day. The experimental control group (with tongue surface flushed with distilled water) had no food until the fifth day, and had a much larger area of ulcer surface than the oral disinfectant group of example 1. The koutai gargle can be eaten in the fourth day, and the animal tongue surface ulcer begins to disappear after one week. The results show that the oral disinfectant of the example 1 has obvious functions of diminishing inflammation and promoting ulcer healing, so that the ulcer on the tongue surface is obviously reduced, and the oral disinfectant is obviously different from a control group. Experiments also prove that the oral disinfectant in example 1 has no stimulation effect on oral cavity.
The results of the pharmacodynamic tests are shown in table 4.
TABLE 4 Effect of the oral disinfectant of example 1 on healing of ulcers on the lingual surface of rats
Figure BDA0003068934320000081
As can be seen from Table 4, the oral disinfectant of example 1 has a significant difference from the experimental control group, and has a significant effect of promoting the healing of the ulcer surface. The oral disinfectant of example 1 is superior to the positive koutou gargle in promoting healing of ulcer surfaces, compared to the koutou gargle.
3. The pH of the three samples was measured to be between 6.5 and 7.8 according to the pH measurement method in the Chinese pharmacopoeia (2020 edition).
4. The relative density of three samples is measured to be 1.05-1.09 according to the relative density measuring method in Chinese pharmacopoeia (2020 edition).
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. An oral disinfectant is characterized by comprising 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside, 2.5g of sodium benzoate and the balance of deionized water, wherein the amount of the deionized water is 1000 mL.
2. The oral disinfectant of claim 1, wherein the pH of the oral disinfectant is between 6.5 and 7.8.
3. The oral disinfectant of claim 1, wherein the relative density of the oral disinfectant is 1.05-1.09.
4. The method for preparing an oral disinfectant according to any one of claims 1 to 3, comprising the steps of:
step one, taking 20g of chitosan oligosaccharide, 50g of honeysuckle, 50g of asiatic moonseed rhizome, 0.50g of menthol, 2.5g of citric acid, 7.5g of sodium bicarbonate, 2.0g of stevioside and 2.5g of sodium benzoate;
step two, cleaning the honeysuckle, adding deionized water for a plurality of times for decoction, combining decoction, filtering, decompressing and compressing the filtrate until the relative density is 1.15, cooling, adding ethanol, stirring uniformly, standing overnight, filtering, decompressing the filtrate to remove the ethanol to obtain honeysuckle extract;
cleaning rhizoma Menispermi, decocting with deionized water for several times, mixing decoctions, filtering, vacuum compressing the filtrate to relative density of 1.15, cooling, adding ethanol, stirring, standing overnight, filtering, and removing ethanol from the filtrate under reduced pressure to obtain rhizoma Menispermi extractive solution;
step three, mixing the honeysuckle extract and the asiatic moonseed rhizome extract uniformly, adding deionized water to 750mL, then adding menthol, dissolving, adding sodium benzoate, citric acid, chitosan oligosaccharide and stevioside, and stirring until the sodium benzoate, the citric acid, the chitosan oligosaccharide and the stevioside are dissolved to obtain a mixed solution;
step four, dissolving sodium bicarbonate in 250mL of deionized water to obtain a sodium bicarbonate solution;
and step five, uniformly mixing the mixed solution with a sodium bicarbonate solution, and sterilizing to obtain the oral disinfectant.
5. The method for preparing oral disinfectant according to claim 4, wherein in the second step, the processes of adding deionized water and decocting for multiple times respectively comprise: adding deionized water in an amount which is 8 times of the amount of the medicinal materials, decocting for 40 minutes, adding deionized water in an amount which is 7 times of the amount of the medicinal materials, decocting for 30 minutes, and finally adding deionized water in an amount which is 6 times of the amount of the medicinal materials, and decocting for 20 minutes.
6. The method for preparing oral disinfectant according to claim 4, wherein in the second step, the amount of ethanol is 3 times of the amount of the herbs, the concentration of ethanol is 95%, and the ethanol content of the solution after adding ethanol is 70%.
7. The method for preparing oral disinfectant as recited in claim 4, further comprising the step five of dispensing and sealing before autoclaving.
CN202110534038.7A 2021-05-17 2021-05-17 Oral disinfectant and preparation method thereof Withdrawn CN113181239A (en)

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