CN114432398A - Dendrobium nobile pharmaceutical composition and application thereof in toothpaste - Google Patents
Dendrobium nobile pharmaceutical composition and application thereof in toothpaste Download PDFInfo
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- CN114432398A CN114432398A CN202011233744.XA CN202011233744A CN114432398A CN 114432398 A CN114432398 A CN 114432398A CN 202011233744 A CN202011233744 A CN 202011233744A CN 114432398 A CN114432398 A CN 114432398A
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- 239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 70
- 239000000606 toothpaste Substances 0.000 title abstract description 40
- 229940034610 toothpaste Drugs 0.000 title abstract description 36
- 240000004638 Dendrobium nobile Species 0.000 title abstract description 19
- 241001523681 Dendrobium Species 0.000 claims abstract description 168
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 86
- 239000005017 polysaccharide Substances 0.000 claims abstract description 86
- 239000000203 mixture Substances 0.000 claims abstract description 70
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- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical group C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 claims description 33
- 239000003814 drug Substances 0.000 claims description 32
- -1 polysaccharide compounds Chemical class 0.000 claims description 32
- 239000000706 filtrate Substances 0.000 claims description 29
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 27
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 19
- UXDFUVFNIAJEGM-UHFFFAOYSA-N 2-methoxy-5-[2-(3,4,5-trimethoxyphenyl)ethyl]phenol Chemical compound C1=C(O)C(OC)=CC=C1CCC1=CC(OC)=C(OC)C(OC)=C1 UXDFUVFNIAJEGM-UHFFFAOYSA-N 0.000 claims description 18
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- RYAHJFGVOCZDEI-UFFNCVEVSA-N Dendrobine Chemical compound C([C@H]1CC[C@@H]2[C@@]31C)N(C)[C@@H]3[C@H]1[C@@H](C(C)C)[C@@H]2C(=O)O1 RYAHJFGVOCZDEI-UFFNCVEVSA-N 0.000 claims description 15
- RYAHJFGVOCZDEI-CZKZLRAZSA-N dendrobine Natural products O=C1O[C@@H]2[C@H](C(C)C)[C@H]1[C@H]1[C@@]3(C)[C@@H]2N(C)C[C@H]3CC1 RYAHJFGVOCZDEI-CZKZLRAZSA-N 0.000 claims description 15
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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Abstract
The invention provides a dendrobium nobile pharmaceutical composition and application thereof in toothpaste. The pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls. The pharmaceutical composition is safe and reliable to human body, has no toxic or side effect, has no irritation to mucous membrane, has obvious anti-inflammatory and hemostatic effects, can be used in oral care compositions such as toothpaste and the like, and is used for preventing and treating gingival bleeding and the like.
Description
Technical Field
The invention relates to the technical field of natural medicines, and particularly relates to a dendrobium stem medicinal composition and application thereof in toothpaste.
Background
At present, with the continuous improvement of living standard of people, the oral cavity and teeth problems such as gum bleeding, pain, swelling and the like caused by refined diet are frequent. People pay more and more attention to the nursing of oral teeth, and the ordinary toothpaste gradually develops to the Chinese herbal medicine toothpaste with the nursing effect.
The traditional Chinese medicine Dendrobium nobile (Dendrobium nobile Lindl), also called flat yellow grass, Royle rhaponticum etc., is a Dendrobium plant in the family of Orchidaceae, is a traditional famous and precious medicinal plant in China, is listed as the top quality in the book Shen nong Ben Cao Jing as early as possible, and is known as one of the Jiuda Mesona. The medicinal part is fresh or dry stem, and has effects of nourishing yin, replenishing vital essence, improving gastrointestinal function, reducing weight and prolonging life. Modern pharmacological studies show that the main active ingredients of dendrobium nobile lindl are alkaloids and polysaccharide compounds, and the dendrobium nobile lindl has multiple effects of resisting tumors, oxidation and aging, enhancing immunity, regulating gastrointestinal motility, reducing blood sugar, reducing blood fat and the like. The dendrobium total polysaccharide has a good moisturizing effect.
The prior art oral care compositions for treating oral diseases are mainly deficient in the following respects:
defect one: and (4) immune reaction. In order to improve the efficacy of preventing and treating gingival bleeding, a plurality of Chinese herbal toothpastes on the market at present are often added with tranexamic acid which is a hemostatic prescription drug, and long-term excessive use of the tranexamic acid can cause gingiva to generate antibodies, so that the use risk of consumers is increased. Therefore, the search for purely natural active ingredients with antibacterial, anti-inflammatory and hemostatic effects has wide application prospect.
And defect two: irritation of mucous membrane. The irritant toothpaste is used for irritating mucous membrane, so that oral ulcer is easily caused.
And a third defect: the process is complicated and the cost is high.
And a fourth defect: low safety and reliability, and certain toxic and side effect.
For the above reasons, further research on oral care compositions for treating oral diseases is needed to solve the problems that the common oral care compositions are easy to generate immune response and mucosal irritation, and have complex process, high cost, low safety and reliability and certain toxic and side effects.
Disclosure of Invention
Based on the above, the main purpose of the present invention is to provide a dendrobe pharmaceutical composition, so as to solve the problems that the common oral care composition in the prior art is easy to generate immune reaction and mucosal irritation, has a complex process, a high cost, low safety and reliability, and has a certain toxic and side effect.
In order to achieve the above object, according to one aspect of the present invention, there is provided a pharmaceutical composition comprising the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
Further, the dendrobium total alkaloids comprise dendrobine or pharmaceutically acceptable salt or solvate thereof, and/or dendrolether alkali or pharmaceutically acceptable salt or solvate thereof.
Further, the dendrobium total polysaccharide comprises dendrobium polysaccharide compound with D-glucuronic acid and D-galactose, the molar ratio of the D-glucuronic acid to the D-galactose is 5:1 to 0.5:1, and the molecular weight of the dendrobium polysaccharide compound is in the range of 2000Da to 3000 Da.
Further, the dendrobium total bibenzyl comprises erianin or a pharmaceutically acceptable solvate thereof, and/or 3,4-dihydroxy-5, 4' -dimethoxy bibenzyl or a pharmaceutically acceptable solvate thereof.
Further, the dendrobium polysaccharide compound has the following structure:
wherein n is 6, 7 or 8.
Further, the pharmaceutical composition comprises the following components in parts by weight: 5-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 5-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 2-5 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 2 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 5 parts of dendrobium total bibenzyl.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 10 parts of dendrobium total bibenzyls.
Further, the pharmaceutical composition comprises the following components in parts by weight: 10 parts of dendrobium total alkaloids, 1 part of dendrobium polysaccharide compound and 1 part of dendrobium total bibenzyl.
Further, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 5 parts of dendrobium total polysaccharides and 5 parts of dendrobium total bibenzyls.
According to another aspect of the present invention, there is provided an oral care composition comprising the above pharmaceutical composition.
Further, the oral care composition is a toothpaste.
Further, the oral care composition also comprises pharmaceutically acceptable pharmaceutic adjuvants.
Further, the pharmaceutical adjuvant is selected from one or more of sodium carboxymethylcellulose, carbomer, polyvinyl alcohol, hydroxyethyl cellulose, sodium alginate, chitin, chitose, hydroxypropyl methylcellulose, ethyl cellulose, agar, hydroxyethyl methylcellulose, hydroxypropyl cellulose, beeswax, xanthan gum, acacia, casein, sucralose, ethyl benzoate, polyethylene glycol, carrageenan, silicon dioxide, sodium carboxymethylcellulose, methyl silicone, stearyl alcohol, sodium dodecylbenzene sulfonate, isopropyl myristate, glycerol and methylcellulose.
According to another aspect of the present invention there is provided the use of a pharmaceutical composition as described above or an oral care composition as described above in the manufacture of a medicament for the treatment of an oral disease.
Further, the oral care composition is a toothpaste.
According to another aspect of the present invention, there is provided a method of preparing a pharmaceutical composition, the method comprising the steps of:
1) taking a proper amount of dendrobium medicinal material, adding a first solvent for decoction and filtering to obtain first medicine residue and first filtrate, adding alcohol into the first filtrate to reach 70-90% of alcohol concentration, and filtering to obtain precipitate which is dendrobium total polysaccharide;
2) taking a proper amount of the first medicine residue, adding acid to dissolve and filter the first medicine residue to obtain second medicine residue and second filtrate, adding alkali to the second filtrate until the pH value is 8-10, and filtering the second filtrate to obtain precipitate which is the dendrobium total alkaloid;
3) taking a proper amount of the second medicine residue, adding a second solvent for extraction, filtering to obtain a third medicine residue and a third filtrate, carrying out macroporous resin column chromatography on the third filtrate, and collecting 60-80% alcohol elution fraction to obtain the dendrobium total bibenzyl; and
4) mixing the dendrobium total polysaccharide, the dendrobium total alkaloid and the dendrobium total bibenzyl to obtain a pharmaceutical composition, wherein the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
Further, the first solvent and the second solvent are the same or different.
Further, the first solvent is selected from C1~C4Alcohol, glycol, ether, waterOne or more of formic acid and acetic acid.
Further, the second solvent is selected from C1~C4One or more of alcohol, glycol, ether, water, formic acid and acetic acid.
According to another aspect of the present invention, there is provided a process for preparing an oral care composition comprising mixing the above pharmaceutical composition with a pharmaceutically acceptable pharmaceutical excipient.
By applying the technical scheme of the invention, the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls. The pharmaceutical composition is safe and reliable to a human body, has no toxic or side effect, has no irritation to mucous membrane, has obvious inflammation diminishing and bleeding stopping effects, can be used in oral care compositions such as toothpaste and the like, and can prevent and treat gingival bleeding and the like, so that the problems that common oral care compositions are easy to generate immunoreaction and mucous membrane irritation, complex in process, high in cost, low in safety and reliability and have certain toxic and side effects can be well solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.
FIG. 1 is an HPGPC chromatogram of a dendrobe polysaccharide compound involved in the present invention.
FIG. 2 is an infrared absorption spectrum of a dendrobe polysaccharide compound involved in the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
The present invention is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed herein.
As described in the background section, the existing oral care compositions are prone to immune reactions, mucosal irritation, complex process and high cost, and have problems of low safety and reliability, and certain toxic and side effects. In order to solve the problems, the invention provides a pharmaceutical composition, which comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyl. The medicinal composition has the effects of resisting inflammation, eliminating swelling and stopping bleeding, has the effect superior to that of dendrobium nobile medicinal materials and independent dendrobium nobile total alkaloids, dendrobium nobile total polysaccharides and dendrobium nobile total bibenzyl, and has good development and application prospects of oral care products such as toothpaste and the like.
In a preferred embodiment, the dendrobe total alkaloids comprise dendrobine or a pharmaceutically acceptable salt or solvate thereof, and/or dendrolether base or a pharmaceutically acceptable salt or solvate thereof.
Other alkaloid compounds in Dendrobine (Dendrobine) and Dendrobine (Dendroxine) and dendrobii total alkaloids can be converted into pharmaceutically acceptable salts or solvates thereof, preferably acid addition salts such as hydrochloride, hydrobromide, phosphate, acetate, fumarate, maleate, tartrate, citrate, oxalate, mesylate or p-toluenesulfonate.
Dendrobine (Dendrobine) has the following structural formula:
the dendrobine (Dendroxine) has the following structural formula:
in a preferred embodiment, the dendrobe total polysaccharide comprises dendrobe polysaccharide compounds having D-glucuronic acid and D-galactose in a molar ratio of D-glucuronic acid to D-galactose of 5:1 to 0.5:1, the dendrobe polysaccharide compounds having a molecular weight in the range of 2000Da to 3000 Da.
In a preferred embodiment, the dendrobium total bibenzyl comprises erianin or a pharmaceutically acceptable solvate thereof, and/or 3,4-dihydroxy-5, 4' -dimethoxybibenzyl or a pharmaceutically acceptable solvate thereof.
Erianin and 3,4-dihydroxy-5,4 '-dimethoxy bibenzyl (3,4-dihydroxy-5, 4' -dimethoxy bibenzyl) and other bibenzyl compounds in dendrobe total bibenzyl can be converted into pharmaceutically acceptable solvates.
The structural formula of Erianin (Erianin) is shown below:
the structural formula of 3,4-dihydroxy-5,4 '-dimethoxy bibenzyl (3,4-dihydroxy-5, 4' -dimethoxy bibenzyl) is shown as follows:
the alkaloid compound contained in the dendrobium total alkaloids and the bibenzyl compound contained in the dendrobium total bibenzyl can exist in a stereoisomer. It is to be understood that the present invention encompasses the use of all geometric and optical isomers of the above-described compounds and mixtures thereof, including racemic compounds. The use of tautomeric forms and mixtures thereof also form an aspect of the invention.
The alkaloid compound or its pharmaceutically acceptable salt or solvate, the bibenzyl compound or its pharmaceutically acceptable solvate and total dendrobium polysaccharides contained in total dendrobium alkaloids can be generally administered to mammals including human beings in the form of common pharmaceutical compositions, such as capsules, microcapsules, tablets, granules, powders, troches, syrups, aerosols, inhalations, solutions, injections, suspensions, ointments, creams, suppositories and the like, and the most suitable formulation form is ointment or cream.
The pharmaceutical composition containing herba Dendrobii total alkaloids, herba Dendrobii total bibenzyls and herba Dendrobii total polysaccharides can be applied topically, such as oral topical application, and can be in the form of solution, suspension, heptafluorocarbon aerosol and dry powder preparation; or systemically, e.g. orally, in the form of tablets, capsules, syrups, powders or granules, or parenterally, in the form of solutions or suspensions, or subcutaneously or rectally, or transdermally.
For topical application, the active substance is suitably applied in the form of an ointment, medicated liquor, emulsion, solution, lotion, spray, suspension, or the like. It is preferably in the form of ointment or cream. These agents for topical administration may be prepared by mixing the product as the active ingredient with non-toxic, inert, solid or liquid carriers conventionally used in such formulations and suitable for topical treatment.
In a preferred embodiment, the dendrobe polysaccharide compound has the following structure:
wherein n is 6, 7 or 8.
In order to further enhance the synergistic effect of the two components in the pharmaceutical composition, i.e. enhance the anti-inflammatory and hemostatic effects of the pharmaceutical composition, in a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 5-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyl.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 5-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 2-5 parts of dendrobium total bibenzyls.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 2 parts of dendrobium total bibenzyls.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 5 parts of dendrobium total bibenzyl.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 10 parts of dendrobium total bibenzyls.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 10 parts of dendrobium total alkaloids, 1 part of dendrobium total polysaccharides and 1 part of dendrobium total bibenzyl.
In a preferred embodiment, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 5 parts of dendrobium total polysaccharides and 5 parts of dendrobium total bibenzyls.
According to another aspect of the present invention, there is provided an oral care composition comprising the above pharmaceutical composition.
In a preferred embodiment, the oral care composition is a toothpaste.
The oral care composition of the present invention can be formulated, for example, into a toothpaste, a dental gel, or an aqueous or aqueous-alcoholic oral care composition (mouthwash) according to a method known per se.
The oral care compositions of the present invention contain at least one active ingredient of the present invention in a total amount of 0.00001 to 50 wt.%, 0.0001 to 10 wt.%, 0.0001 to 5 wt.%, 0.005 to 1 wt.%, or 0.1 to 20 wt.%, 0.5 to 15 wt.%, or 1 to 5 wt.%, calculated relative to the weight of the composition.
In a preferred embodiment, the oral care composition further comprises a pharmaceutically acceptable pharmaceutical excipient.
Oral care compositions, particularly toothpastes, may also contain abrasives such as silica hydrate, dicalcium phosphate dihydrate, calcium carbonate, sodium bicarbonate, calcium pyrophosphate and alumina. By way of example, a mixture of precipitated silicon and an abrasive of precipitated silicon having a tendency to stick may be used [ Handbook of Pharmaceutical Excipients (Handbook of Pharmaceutical Excipients), british institute of pharmacy, 1Lambeth High Street, london SE 17 JN, england, p.253-256 ]. The first of these is used because of its thixotropic properties and the second is used because of its ability to more effectively remove adherent substances from the tooth surface. The use of these products ensures a low abrasive action, since this is the case of amorphous solids with moderate hardness, which are at the same time totally and completely compatible with fluorides used as mineralizers, since they do not contain calcium salts, which would render them insoluble and reduce their bioavailability.
The formulations of the oral care compositions of the present invention, such as toothpastes, may also contain suitable additives and carriers to improve their properties and simplify preparation. They are selected, for example, from binders, thickeners, fragrances, dyes, preservatives, humectants or moisturizers, surfactants, lubricants, opacifiers, remineralizing agents, surfactants, buffers, alcohols, vitamins, water, other active ingredients, and mixtures thereof.
As the binder, any binder commonly used in these types of formulations, such as tragacanth, may be used. The binder may be present in the formulation in an amount of 0.5 to 1.5 wt.%, relative to the total amount.
Organic thickeners such as sodium carboxymethylcellulose, cellulose ethers, xanthan gum, carrageenan, sodium alginate and carbopol may also be incorporated in the oral care compositions. Inorganic thickeners such as silica thickeners, sodium aluminum silicate and clays can also be used to provide the corresponding rheology. The thickener may be included in the formulation in an amount of 0.5 to 5 wt.% of the total amount.
Toothpastes can be aromatized by the addition of suitable conventional aromatizers such as mint aroma. Essential oils, including clove oil, cinnamon oil, peppermint oil, and spearmint oil, may also be used. The fragrance may be present in the formulation in an amount of 0.5 to 1.5 wt.%, relative to the total amount.
As the colorant, any colorant commonly used in toothpaste formulations can be used, for example, FCF brilliant blue, ci.42090[ KIRSCH PHARMA ]. The colorant may be present in the formulation in an amount of 0.001 to 0.005 wt.%, relative to the total amount.
The preservative may be any conventional preservative, for example a benzoic acid derivative, such as methyl paraben. The preservative may be present in the formulation in an amount of 0.1 to 0.3 wt.%, relative to the total amount.
For example, as sweetening agent, sodium saccharin or cyclamic acid and its derivatives such as sodium cyclamate may be used. The sweetener may be present in the formulation in an amount of 0.08 to 0.15 wt.%, relative to the total amount.
The humectant used to prevent the toothpaste from drying and hardening is chosen in particular from glycerol, sorbitol, propylene glycol, xylitol and liquid polyethylene glycols, in particular mixtures of sorbitol, glycerol and xylitol, for example present in an amount of 1 to 60 wt.%, relative to the total amount.
As the lubricant, any lubricant commonly used in toothpaste formulations can be used, such as dimethicone (polymer of dimethylpolysiloxane), which is a surfactant that imparts good rheological properties to the toothpaste object of the present invention. The lubricant may be present in the formulation in an amount of 0.25 to 0.75 wt.%, relative to the total amount.
As the opacifying agent, any usual opacifying agent, such as titanium dioxide, can be used. The opacifying agent may be present in the formulation in an amount of 0.05 to 1 wt.%, relative to the total amount.
As remineralizing agents, fluoride sources such as sodium fluoride, tin (II) fluoride and sodium monofluorophosphate were used, since in this way 100% active fluoride was obtained as remineralizing agent for white damage caused by organic acids due to bacterial fermentation. The remineralizing agent may be present in the formulation in an amount of 0.2 to 0.4 wt.%, relative to the total amount.
Conventional ingredients, for example, anionic surfactants such as sodium lauryl sulfate, sodium N-lauryl sarcosinate, sodium lauryl sulfoacetate and sodium alkyl glyceryl ether sulfonate, may also be present, usually and additionally. The surfactant may be present in the formulation in an amount of 0.05 to 5 wt.%, relative to the total amount.
The toothpaste proposed by the present invention may also contain vitamins selected from the following, as appropriate: vitamin A, vitamin B5, vitamin C, vitamin E and mixtures thereof. If they are used, each vitamin may be present in the formulation in an amount of 0.1 to 5 wt.%, relative to the total amount. These vitamins can be used as such, as provitamins or in the form of pharmaceutically acceptable salts. Vitamin a is usually used in the form of palmitate, which promotes epithelialization of the oral mucosa and protects the gums. Vitamin B5, more particularly D-panthenol, has soothing, therapeutic, anti-inflammatory effects, protects the epithelial mucosa, promotes epithelialization of lesions, and softens scar tissue, and is suitable for treating lesions resulting from tooth extraction, gingivitis, stomatitis, pain resulting from denture placement, ulcers, traumatic mucosal lesions, and chronic and recurrent ulcers. Vitamin C regenerates the oral mucosal epithelium, stimulates collagen synthesis and the immune system (inflammatory mechanisms) and enhances the ability to protect phagocytic cells from bacterial damage. Vitamin E is commonly used in the form of acetate, which has sedative and anti-inflammatory effects, protects the oral mucosa from lipid peroxidation caused by free radical formation and from environmental pollutants (ozone, cigarette smoke, etc.), and facilitates wound healing. By incorporating all or some of the above vitamins, the present invention provides a toothpaste which has the above characteristics and anti-inflammatory properties and is an effective soothing agent and enhances the protective properties of the oral mucosa and reduces the occurrence of plaque and gum and bacterial contamination.
Other active ingredients are for example: antimicrobial plaque penetrating agents such as beta-naphthol, thymol and hexylresorcinol; or fungicidal compounds, such as quaternary ammonium compounds; tartar healants such as tetrasodium pyrophosphate, GANTREZ-polymer S-70, sodium triphosphate, and zinc citrate; peroxide compounds such as hydrogen peroxide and inorganic peroxides.
Optionally, a buffer may also be used, included at a suitable concentration to maintain the pH between about 6 and 8, such as an alkali metal phosphate buffer. The presence of potassium ions may also provide any allergy-reducing effect.
Water or alcohol may be included in a proportion of 1 to 20 wt.% of the total amount of the substance.
In combination with or instead of alcohol, it is also possible to use diol compounds, such as glycerol, sorbitol or propylene glycol.
The oral care substance of the invention can be readily prepared by mixing the appropriate amounts of the ingredients in, for example, a reactor provided with a stirring paddle.
In a preferred embodiment, the pharmaceutical excipients are selected from one or more of sodium carboxymethylcellulose, carbomer, polyvinyl alcohol, hydroxyethyl cellulose, sodium alginate, chitin, chitose, hydroxypropyl methylcellulose, ethylcellulose, agar, hydroxyethyl methylcellulose, hydroxypropyl cellulose, beeswax, xanthan gum, acacia, casein, sucralose, ethyl benzoate, polyethylene glycol, carrageenan, silicon dioxide, sodium carboxymethylcellulose, methyl silicone, stearyl alcohol, sodium dodecyl benzene sulfonate, isopropyl myristate, glycerol and methyl cellulose.
According to another aspect of the present invention there is provided the use of a pharmaceutical composition as described above or an oral care composition as described above in the manufacture of a medicament for the treatment of an oral disease.
In the present invention, the term "treatment" also includes "prevention" unless there is a specific statement to the contrary. The terms "treatment" and "treating" should be construed accordingly.
The term "prevention" as used herein refers to all actions of inhibiting or delaying the onset of an oral disease by administering a pharmaceutical composition of the invention to an individual.
The term "treatment" as used herein means all actions that alleviate or beneficially alter the symptoms of oral disease by administering a pharmaceutical composition of the present invention to an individual.
In the present invention, oral diseases are concepts covering all diseases occurring in the oral cavity regardless of symptoms thereof, and may include, for example, oral diseases mainly derived from oral microorganisms such as streptococcus mutans, streptococcus oralis, streptococcus sanguis, clostridium nucleatum, porphyromonas gingivalis, actinomyces viscosus, actinomyces companioni, candida albicans, and the like, or oral diseases caused by oral immune degeneration. Non-limiting examples of oral diseases include caries, gingivitis, periodontitis, oral mucosal ulcers, halitosis, and xerostomia.
The present invention also provides a method for treating an oral disease comprising administering to a subject in need thereof a pharmaceutically effective amount of a pharmaceutical composition for preventing or treating an oral disease.
As used herein, the term "subject" includes all animals including mammals, including mice, livestock, humans, and the like.
In the method for treating oral diseases of the present invention, the descriptions of the dose, administration route, administration mode and the like of the pharmaceutical composition are the same as those in connection with the pharmaceutical composition of the present invention.
The term "effective amount" refers to the amount required to at least partially achieve a desired immune response or to delay or completely halt the onset or progression of the particular disease to be treated. The amount depends on the health and physical condition of the subject to be treated, the taxonomic group of the subject, the ability of the subject's immune system to synthesize antibodies, the degree of protection desired, the vaccine formulation, the medical condition assessment, and other relevant factors. This amount will be within a relatively wide range that can be measured in normal attempts.
Of course, for the above therapeutic uses, the dosage varies depending on the compound used, the mode of administration, the treatment desired and the disease to be treated. The daily dosage of the dendrobium total alkaloids defined above can be 0.001mg/kg-100 mg/kg. The daily dose of the above-defined total polysaccharides of Dendrobium nobile may be 0.001mg/kg-100 mg/kg. The daily dosage of total bibenzyl of herba Dendrobii as defined above may be 0.001mg/kg-100 mg/kg.
In a preferred embodiment, the oral care composition is a toothpaste.
According to another aspect of the present invention, there is provided a method of preparing a pharmaceutical composition, the method comprising the steps of:
1) taking a proper amount of dendrobium medicinal material, adding a first solvent for decoction and filtering to obtain first medicine residue and first filtrate, adding alcohol into the first filtrate to reach 70-90% of alcohol concentration, and filtering to obtain precipitate which is dendrobium total polysaccharide;
2) taking a proper amount of the first medicine residue, adding acid to dissolve and filter the first medicine residue to obtain second medicine residue and second filtrate, adding alkali to the second filtrate until the pH value is 8-10, and filtering the second filtrate to obtain precipitate which is the dendrobium total alkaloid;
3) taking a proper amount of the second medicine residue, adding a second solvent for extraction, filtering to obtain a third medicine residue and a third filtrate, carrying out macroporous resin column chromatography on the third filtrate, and collecting 60-80% alcohol elution fraction to obtain the dendrobium total bibenzyl; and
4) mixing the dendrobium total polysaccharide, the dendrobium total alkaloid and the dendrobium total bibenzyl to obtain a pharmaceutical composition, wherein the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
In a preferred embodiment, the first solvent and the second solvent are the same or different.
In a preferred embodiment, the first solvent is selected from C1~C4One or more of alcohol, glycol, ether, water, formic acid and acetic acid.
In a preferred embodiment, the second solvent is selected from C1~C4One or more of alcohol, glycol, ether, water, formic acid and acetic acid.
According to another aspect of the present invention, there is provided a process for preparing an oral care composition comprising mixing the above pharmaceutical composition with a pharmaceutically acceptable pharmaceutical excipient.
According to another aspect of the present invention, there is provided a method for preparing toothpaste, which comprises mixing the above-mentioned pharmaceutical composition with a pharmaceutically acceptable excipient.
In a preferred embodiment, the toothpaste formulation consists of the following components: 1-10 parts of dendrobium total alkaloid, 1-10 parts of dendrobium total polysaccharide, 1-10 parts of dendrobium total bibenzyl, 0.1-20 parts of sucralose, 0.1-20 parts of ethyl benzoate, 6000.1-20 parts of polyethylene glycol, 0.1-20 parts of carrageenan, 0.1-100 parts of silicon dioxide, 0.1-20 parts of sodium carboxymethylcellulose, 0.1-20 parts of methyl silicone, 0.1-20 parts of stearyl alcohol, 0.1-20 parts of sodium dodecyl benzene sulfonate, 0.1-20 parts of isopropyl myristate, 0.1-20 parts of glycerol and 100 parts of purified water.
In a preferred embodiment, the preparation of the toothpaste comprises the steps of:
(1) dissolving appropriate amount of herba Dendrobii total polysaccharide, appropriate amount of sucralose, appropriate amount of sodium carboxymethylcellulose, appropriate amount of sodium dodecylbenzenesulfonate, and appropriate amount of glycerol in water;
(2) grinding appropriate amount of herba Dendrobii total alkaloids, appropriate amount of herba Dendrobii bibenzyl, appropriate amount of ethyl benzoate, appropriate amount of silicon dioxide, appropriate amount of stearyl alcohol, appropriate amount of methyl silicone, and appropriate amount of isopropyl myristate into superfine powder;
(3) adding a proper amount of polyethylene glycol 600 and a proper amount of carrageenan into the solution obtained in the step (1) to be uniformly dispersed; and
(4) and (3) uniformly mixing the superfine powder in the step (2) and the solution in the step (3) to form paste, and subpackaging to obtain the toothpaste.
In a preferred embodiment, the dendrobium stem is dendrobium stem.
Examples
Preparation process of dendrobium total polysaccharide
Taking a proper amount of dendrobium nobile lindl, adding 20 times and 10 times of purified water, decocting for 1 hour respectively, filtering to obtain a first filtrate and first medicine residues, combining the first filtrate, concentrating to a concentration equivalent to 1g of dendrobium nobile lindl medicinal material per 1ml, refrigerating for 12 hours at 4 ℃, filtering, adding ethanol into the filtrate to 80% ethanol concentration, standing for 24 hours, filtering, and collecting precipitates to obtain the dendrobium nobile lindl total polysaccharide.
And (3) determining the content of the dendrobium total polysaccharide:
1. the dendrobium polysaccharide test solution:
weighing 20mg of dendrobium total polysaccharide powder, adding hot water to dissolve, and cooling to a constant volume of 10mL to obtain the dendrobium polysaccharide sample solution.
2. Configuration of the standard curve:
the glucose standard is precisely weighed and prepared into a glucose solution with the concentration of 180 mu g/mL, namely a stock solution. Diluting the stock solution, respectively preparing into 0, 30, 60, 90, 120, 150 and 180 μ g/mL, performing phenol-sulfuric acid color reaction according to the method of 3, and measuring absorbance at 480nm together with the dendrobium polysaccharide sample.
3. And (3) detecting the content of the dendrobium polysaccharide:
taking 1mL of dendrobium polysaccharide sample solution, adding 1mL of 5% phenol and 5mL of concentrated sulfuric acid, mixing uniformly, heating in boiling water for 20min, and stopping reaction in ice bath for 5 min. The absorbance was measured at 480nm together with a standard curve sample. And calculating the polysaccharide content in the dendrobium total polysaccharide to be 82.7 percent by a standard curve regression equation.
Preparation of dendrobium polysaccharide compound
Dissolving the above herba Dendrobii total polysaccharide 200g with 1.6L water, adding 0.5mol/L H in water bath at 30 deg.C2O24.0mmol/L acetic acid; and reacting for 4 hours, and after the reaction is finished, performing ultrafiltration treatment to obtain 130g of dendrobium polysaccharide compound.
Identification of dendrobe polysaccharide compound
Collecting 20mg of the polysaccharide compound of herba Dendrobii, detecting by high performance gel chromatography (HPGPC), and separating with Sephax Mono GPC-10MP gel chromatographic column (4.6mm 300mm, 5 μm); taking 0.1mol/L sodium chloride as a mobile phase; the flow rate is 0.5 mL/min; the column temperature is 30 ℃; the difference detector detected as a dendron polysaccharide compound (shown in FIG. 1) with a molecular weight of 2500 Da.
Taking 3mg of the dendrobe polysaccharide compound, adding 500mg of KBr powder, grinding uniformly, tabletting, analyzing by an infrared spectrometer, and obtaining the infrared spectrum absorption shown in figure 2.
Dissolving 15mg of the polysaccharide compound in deuterated pyridine, and analyzing with nuclear magnetic resonance spectrometer1H/13The C-NMR data are shown in Table 1.
TABLE 1 Dendrobium polysaccharide Compounds1H/13C-NMR spectrum data and attribution
Preparation process of dendrobe total alkaloids, dendrobine and dendrobine ether
Taking a proper amount of the first medicine residue, adding 10 times of 0.1% hydrochloric acid solution, soaking for 24 hours, filtering to obtain a second filtrate and second medicine residue, adding NaOH into the second filtrate, adjusting the pH value to 8-9, concentrating to the concentration of 5g of dendrobium nobile medicinal material per 1ml, standing for 12 hours, filtering, adding the precipitate into 95% ethanol with equal weight volume for ultrasonic dissolution, filtering, and recovering ethanol from the filtrate to obtain the dendrobium nobile total alkaloid. Subjecting the total alkaloids to silica gel column chromatography, and eluting with n-hexane-ethyl acetate system (20:1, 10:1) in gradient manner to obtain dendrobine and dendroetherification alkali.
Identification of Dendrobine (Dendrobine)
1H-NMR(400MHz,CDCl3)δ:4.85(1H,dd,J=5.4,3.1Hz),3.16(1H,t,J =8.7Hz),2.72(1H,t,J=8.7Hz),2.66(1H,d,J=3.1Hz),2.50(3H,s),2.46 (1H,t,J=5.4Hz),2.38(1H,t,J=8.7Hz),2.15(1H,m),2.13(1H,m),2.11(1H, m),2.06(1H,m),1.89(1H,m),1.85(1H,m),1.58(1H,m),1.41(3H,s),0.99 (3H,d,J=2.9Hz),0.98(3H,d,J=2.9Hz);13C-NMR(100MHz,CDCl3)δ: 20.3,21.0,24.9,31.0,32.7,32.9,36.5,43.3,44.2,51.6,52.7,53.9,62.2,67.1, 79.6,179.3。
Identification of dendrobine (Dendroxine)
1H-NMR(400MHz,CDCl3)δ:4.26(1H,d,J=4.8Hz,H-3),3.87(1H,m, H-17b),3.81(1H,m,H-17a),3.17(1H,m,H-4),3.00(2H,m,H-16),2.81(1H, dd,J=9.8,7.2Hz,H-11b),2.46(1H,dd,J=7.0,4.2Hz,H-5),2.21(1H,m, H-11a),2.08(2H,m,H-8),2.01(1H,m,H-6),1.86(1H,m,H-12),1.73(2H,m, H-7),1.51(1H,m,H-9),1.24(3H,s,H-10),1.01(3H,d,J=6.1Hz,H-14),0.91 (3H,d,J=6.4Hz,H-13);13C-NMR(100MHz,CDCl3)δ:178.2,103.1,80.6, 77.1,64.6,55.7,53.8,53.4,51.5,43.1,42.1,31.5,30.7,27.6,24.2,21.1,21.0。
Preparation process of dendrobium total bibenzyl, erianin and 3,4-dihydroxy-5, 4' -dimethoxy bibenzyl
Taking a proper amount of the second medicine residues, adding 10 times of 85% ethanol for reflux extraction twice, each time for 1 hour, filtering to obtain a third medicine residue and a third filtrate, recovering the third filtrate until no alcohol smell exists, loading the third filtrate onto a macroporous resin chromatographic column with the weight equal to that of the dendrobium nobile medicinal material, eluting with 5 times of column volume of water, 20% ethanol and 70% ethanol respectively, collecting 70% ethanol elution fractions, and recovering ethanol to obtain the dendrobium nobile total bibenzyl. Subjecting the dendrobe total bibenzyl to silica gel column chromatography, and gradient eluting with n-hexane-ethyl acetate system (5:1, 2:1) to obtain erianin and 3,4-dihydroxy-5, 4' -dimethoxy bibenzyl.
Structural identification of Erianin
1H-NMR(400MHz,CDCl3)δ:6.80(1H,d,J=2.0Hz,H-2),6.73(1H, d,J=8.2Hz,H-5),6.64(1H,dd,J=8.2,2.0Hz,H-6),6.36(2H,s, H-2',6'),3.85(3H,s,-OCH3-4),3.81(9H,s,-OCH3-3',4',5'),2.81 (4H,s,H-a,a'),5.63(1H,s,-OH);13C-NMR(100MHz,CDCl3)δ: 153.1,145.4,144.8,137.5,136.3,135.1,119.6,114.5,110.5,105.2,60.7, 56.1,38.3,37.2。
Structural identification of 3,4-dihydroxy-5,4 '-dimethoxy bibenzyl (3,4-dihydroxy-5, 4' -dimethoxy bibenzyl)
1H-NMR(400MHz,CDCl3)δ:7.05(2H,d,J=6.6Hz,H-2′,6′),6.80(2H, d,J=6.6Hz,H-3′,5′),6.28(1H,d,J=1.8Hz,H-2),6.23(1H,d,J=1.8Hz, H-6),3.75(3H,s,4′-OCH3),3.75(3H,s,5-OCH3),2.81(2H,dd,J=8.7,6.2Hz, H-2a),2.73(2H,dd,J=8.8,6.2Hz,H-2a′);13C-NMR(100MHz,CDCl3)δ: 159.2,149.3,146.2,135.2,134.2,131.6,130.4,114.5,109.7,105.1,56.6,55.5, 39.1,38.5。
The pharmaceutical compositions claimed in the present invention are illustrated in further detail below by means of specific embodiments:
example 1: respectively weighing 1 part of total dendrobium alkaloids, 10 parts of total dendrobium polysaccharides and 10 parts of total dendrobium bibenzyl, and uniformly mixing to obtain the composition 1.
Example 2: respectively weighing 10 parts of total dendrobium alkaloids, 1 part of total dendrobium polysaccharides and 1 part of total dendrobium bibenzyl, and uniformly mixing to obtain the composition 2.
Example 3: respectively weighing 1 part of total dendrobium alkaloids, 5 parts of total dendrobium polysaccharides and 5 parts of total dendrobium bibenzyls, and uniformly mixing to obtain a composition 3.
Example 4: respectively weighing 1 part of total dendrobium alkaloids, 10 parts of total dendrobium polysaccharides and 2 parts of total dendrobium bibenzyl, and uniformly mixing to obtain the composition 4.
Example 5: respectively weighing 1 part of total dendrobium alkaloids, 10 parts of total dendrobium polysaccharides and 5 parts of total dendrobium bibenzyl, and uniformly mixing to obtain the composition 5.
Anti-inflammatory activity of dendrobe pharmaceutical composition
Experimental drugs
Positive drugs: aspirin enteric-coated tablets, batch number: BJ10849, Bayer pharmaceuticals, Inc.
The test pharmaceutical compositions 1-5 are prepared according to the methods of examples 1-5; SHDT, SHSWJ, SHLB are short for herba Dendrobii total polysaccharide, herba Dendrobii total alkaloid and herba Dendrobii total bibenzyl respectively, and are prepared according to the above preparation method of herba Dendrobii total polysaccharide, herba Dendrobii total alkaloid and herba Dendrobii total bibenzyl respectively.
Experimental methods
100 ICR mice, half of the mice, are taken, after being bred adaptively for one week, the mice are randomly divided into 10 groups, 10 mice in each group, and the model group comprises: intragastric administration of a 0.5% CMC-Na solution in solvent; positive drug aspirin group: 0.2g/kg/d aspirin solution is administered by intragastric administration; the test drug components are respectively given 2g/kg/d of the compositions 1-5 and SHDT, SHSWJ and SHLB extracts. The above groups were administered continuously for 5 days, after 1 hour after the last administration, the mouse was sacrificed by cervical dislocation 1 hour after the inflammation, both ears were taken off along the auricle base line, one ear was taken off from the same site by a puncher and weighed by an electronic balance, the swelling degree was determined by subtracting the control side ear weight from the inflammation ear weight, and the inhibition ratio was calculated. Swelling degree is the weight difference (mg) of bilateral auricles; the inhibition rate is (swelling degree of model group-swelling degree of administration group)/swelling degree of model group x 100%
Results of the experiment
As shown in table 2, compared with the model group, the dendrobe pharmaceutical composition can significantly inhibit the mouse auricle swelling caused by xylene (P <0.001, P <0.01), and with the strongest effects of the composition 4 and the composition 5 (the inhibition rates are 65.58% and 63.65%, respectively), the dendrobe total alkaloids also have a certain inhibition effect on the mouse auricle swelling degree, but the inhibition effects of the dendrobe total polysaccharides and the dendrobe total bibenzyl group on the mouse auricle swelling degree are not obvious, which indicates that the dendrobe pharmaceutical composition has a certain synergistic effect.
TABLE 2 Effect of Dendrobium pharmaceutical compositions on mouse ear swelling caused by Dimethylbenzene
Note: p <0.05, P <0.01, P < 0.001; swelling degree is the weight difference (mg) of bilateral auricles;
inhibition rate (degree of swelling in model group-degree of swelling in administered group)/degree of swelling in model group × 100%
Dendrobium toothpaste gingival bleeding inhibition test
Experimental Material
And (3) adding the following auxiliary materials into the dendrobium extract of the composition 1-5, SHDT, SHSWJ, SHLB and the like respectively: 0.1 part of sucralose, 0.5 part of ethyl benzoate, 20 parts of polyethylene glycol 60020 parts, 1 part of carrageenan, 80 parts of silicon dioxide, 5 parts of sodium carboxymethylcellulose, 10 parts of methyl silicone, 5 parts of stearyl alcohol, 10 parts of sodium dodecyl benzene sulfonate, 5 parts of isopropyl myristate, 10 parts of glycerol and 100 parts of purified water, and preparing the toothpaste corresponding to each group according to the preparation steps of the toothpaste. The commercially available toothpaste is the Yunnan white drug powder pseudo-ginseng toothpaste purchased in the supermarket.
Experimental methods
180 gingival bleeding subjects are selected and randomly divided into 9 groups, 20 persons are taken in each group, each group of subjects use each group to give toothpaste, the teeth are brushed for 1 time respectively in the morning and at the evening and are continuously used for 30 days, and gingival bleeding relieving results are recorded on the 10 th day, the 20 th day and the 30 th day from the beginning of the test respectively.
Results of the experiment
The results show (see table 3), the dendrobium medicinal composition toothpaste has a certain inhibition effect on gingival bleeding, the toothpaste prepared from the composition 4 and the composition 5 has a good effect on inhibiting gingival bleeding, and the toothpaste prepared from the dendrobium total polysaccharide, the dendrobium total alkaloid and the dendrobium total bibenzyl has a non-obvious effect on inhibiting gingival bleeding.
TABLE 3 inhibition rate of dendrobe toothpaste on gingival bleeding of subject
The above embodiments show that the dendrobium pharmaceutical composition of the present invention has significant anti-inflammatory and gingival bleeding inhibition effects, and can be used in oral cleaning products such as toothpaste, mouthwash, etc., to effectively prevent and treat gingival bleeding and inflammation.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application. Meanwhile, a person skilled in the art should, according to the idea of the present application, change or modify the embodiments and applications of the present application based on the application scope of the present application. In view of the above, the description should not be taken as limiting the application.
Claims (10)
1. The pharmaceutical composition is characterized by comprising the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
2. The pharmaceutical composition of claim 1, wherein the dendrobe total alkaloids comprise dendrobine or a pharmaceutically acceptable salt or solvate thereof, and/or dendrotherine or a pharmaceutically acceptable salt or solvate thereof; preferably, the dendrobium total polysaccharide comprises dendrobium polysaccharide compounds with D-glucuronic acid and D-galactose, the molar ratio of the D-glucuronic acid to the D-galactose is 5:1 to 0.5:1, and the molecular weight of the dendrobium polysaccharide compounds is in the range of 2000Da to 3000 Da; preferably, the dendrobium total bibenzyl comprises erianin or a pharmaceutically acceptable solvate thereof, and/or 3,4-dihydroxy-5, 4' -dimethoxy bibenzyl or a pharmaceutically acceptable solvate thereof.
4. The pharmaceutical composition according to any one of claims 1 to 3, wherein the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 5-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls; preferably, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls; more preferably, the pharmaceutical composition comprises the following components in parts by weight: 1 part of dendrobium total alkaloids, 10 parts of dendrobium total polysaccharides and 2-5 parts of dendrobium total bibenzyls.
5. An oral care composition comprising the pharmaceutical composition of any one of claims 1 to 4.
6. The oral care composition of claim 5, further comprising a pharmaceutically acceptable pharmaceutical excipient; preferably, the pharmaceutical adjuvant is selected from one or more of sodium carboxymethylcellulose, carbomer, polyvinyl alcohol, hydroxyethyl cellulose, sodium alginate, chitin, chitose, hydroxypropyl methylcellulose, ethyl cellulose, agar, hydroxyethyl methylcellulose, hydroxypropyl cellulose, beeswax, xanthan gum, acacia, casein, sucralose, ethyl benzoate, polyethylene glycol, carrageenan, silicon dioxide, sodium carboxymethylcellulose, methyl silicone, stearyl alcohol, sodium dodecylbenzene sulfonate, isopropyl myristate, glycerol and methylcellulose.
7. Use of a pharmaceutical composition according to any one of claims 1 to 4 or an oral care composition according to claim 5 or 6 in the manufacture of a medicament for the treatment of an oral disease.
8. A method of preparing a pharmaceutical composition, comprising the steps of:
1) taking a proper amount of dendrobium medicinal material, adding a first solvent for decoction and filtering to obtain first medicine residue and first filtrate, adding alcohol into the first filtrate to reach 70-90% of alcohol concentration, and filtering to obtain precipitate which is dendrobium total polysaccharide;
2) taking a proper amount of the first medicine residue, adding acid to dissolve and filtering to obtain a second medicine residue and a second filtrate, adding alkali to the second filtrate until the pH value is 8-10, and filtering to obtain a precipitate which is the total dendrobium alkaloids;
3) taking a proper amount of the second medicine residue, adding a second solvent for extraction, filtering to obtain a third medicine residue and a third filtrate, carrying out macroporous resin column chromatography on the third filtrate, and collecting 60-80% alcohol elution fraction to obtain the dendrobium total bibenzyl; and
4) mixing the dendrobium total polysaccharide, the dendrobium total alkaloid and the dendrobium total bibenzyl to obtain a pharmaceutical composition, wherein the pharmaceutical composition comprises the following components in parts by weight: 1-10 parts of dendrobium total alkaloids, 1-10 parts of dendrobium total polysaccharides and 1-10 parts of dendrobium total bibenzyls.
9. The method according to claim 8, wherein the first solvent and the second solvent are the same or different, more preferably the first solvent is selected from C1~C4Is selected from one or more of alcohols, glycols, ethers, water, formic acid and acetic acid, more preferably the second solvent is selected from C1~C4One or more of alcohol, glycol, ether, water, formic acid and acetic acid.
10. A method of making an oral care composition comprising mixing the pharmaceutical composition of any one of claims 1 to 4 with a pharmaceutically acceptable pharmaceutical excipient.
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