CN111686084A - Application of berberine hydrochloride oryzanol tablets in treating diabetes - Google Patents

Application of berberine hydrochloride oryzanol tablets in treating diabetes Download PDF

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CN111686084A
CN111686084A CN202010588304.XA CN202010588304A CN111686084A CN 111686084 A CN111686084 A CN 111686084A CN 202010588304 A CN202010588304 A CN 202010588304A CN 111686084 A CN111686084 A CN 111686084A
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oryzanol
berberine hydrochloride
berberine
granules
hydrochloride
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CN111686084B (en
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李琎杰
熊洪峰
杨春艳
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Yichun Wanshen Intelligent Equipment Co ltd
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Yichun Wanshen Pharmaceutical Machinery Co Ltd
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    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2072Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2077Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
    • A61K9/2081Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets with microcapsules or coated microparticles according to A61K9/50
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    • A61K31/575Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol
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    • A61K9/2018Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
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    • A61K9/2095Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
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Abstract

The invention provides a berberine hydrochloride oryzanol tablet and application thereof in treating diabetes, wherein the berberine hydrochloride oryzanol tablet is prepared by mixing and tabletting modified berberine hydrochloride oryzanol particles and other auxiliary materials according to a certain proportion, and the modified berberine hydrochloride oryzanol particles are mixed and tableted with other auxiliary materialsThe modified granule can improve the solubility of berberine hydrochloride and oryzanol, and improve the dissolution rate and bioavailability of the medicine. The tablet achieves good effect of treating diabetes through compatibility of medicines, a reasonable prescription and a preparation process.

Description

Application of berberine hydrochloride oryzanol tablets in treating diabetes
Technical Field
The invention belongs to the field of medicines, and relates to a prescription of a berberine hydrochloride oryzanol tablet, a preparation process of the berberine hydrochloride oryzanol tablet, and application of the tablet in medicines for treating diabetes.
Background
Berberine hydrochloride (Berberine) is an isoquinoline alkaloid separated from Chinese medicinal rhizoma Coptidis, and is the main antibacterial active ingredient of rhizoma Coptidis. It is yellow needle-like crystal and bitter in taste. It is widely distributed in the plant kingdom. Berberine hydrochloride is commonly used for intestinal tract infection,
Figure BDA0002555471370000011
oryzanol (OZ) is a vitamin medicine extracted from rice bran oil, and its main ingredients are cycloartenyl ferulate and 2, 4-methylene cycloartenyl ferulate. China is a world large country for rice production, and raw materials for extracting oryzanol are abundant in sources. Oryzanol is mainly used for improving autonomic nerve function, reducing endocrine disturbance and improving mental and neurological disorder symptoms.
The prior art proves that berberine hydrochloride and oryzanol both have obvious effects of reducing blood sugar, regulating lipid, losing weight and reducing blood sugar, and the combination of the berberine hydrochloride and the oryzanol has synergistic action. In the prior art, the prior oryzanol preparation and berberine hydrochloride preparation are combined to treat related diseases. If a compound preparation can be developed, the compliance of patients can be greatly improved.
However, oryzanol is a poorly soluble drug, is almost insoluble in water, and has low bioavailability. Berberine hydrochloride has poor absorption in vivo and very low bioavailability. The two medicines are prepared into a compound preparation, so that the problems of low dissolution rate and low bioavailability of the medicines are solved, and meanwhile, the technical difficulties of auxiliary material selection and the like are inevitably encountered when the raw materials of different medicines are different in properties. Therefore, the berberine hydrochloride oryzanol compound preparation which has simple prescription process and high drug solubility and bioavailability has good market prospect.
Disclosure of Invention
The invention aims to provide a berberine hydrochloride and oryzanol compound preparation which has simple preparation process, convenient use and obviously improved bioavailability.
The invention mixes the surface active agent, the dispersing agent and the medicine, then carries out gas flow crushing, and carries out dry granulation to disperse the medicine in the surface active agent and the dispersing agent, thereby improving the specific surface area and the dispersibility of the medicine. Further coating the coating liquid containing a surfactant, a dispersant and a hydrophilic film coating material to form a hydrophilic coating layer on the surface of the drug particles, further improving the dispersibility and dissolution rate of the drug, and greatly improving the bioavailability of berberine hydrochloride and oryzanol.
The invention provides a berberine hydrochloride oryzanol tablet, which comprises berberine hydrochloride oryzanol particles, a filler, a disintegrant and a lubricant.
The berberine hydrochloride oryzanol particles are composed of berberine hydrochloride, oryzanol, a surfactant, a dispersant and a hydrophilic film coating material, wherein the weight ratio of the berberine hydrochloride to the oryzanol is 1: 0.2-0.8.
Preferably, the weight ratio of the berberine hydrochloride to the oryzanol is 1: 0.2-0.6.
The surfactant is selected from one or a combination of two of sodium dodecyl sulfate and polysorbate 80.
The dispersing agent is selected from one or more of microcrystalline cellulose, hydroxypropyl methylcellulose and poloxamer.
The hydrophilic film coating material is selected from one or more of hydroxyethyl cellulose and hydroxyethyl methyl cellulose.
The filler is one or more of microcrystalline cellulose, lactose, pregelatinized starch and mannitol.
The disintegrant is one or more of croscarmellose sodium, crospovidone, hypromellose, and corn starch.
The lubricant is one or more of magnesium stearate and silicon dioxide.
The invention also aims to provide a preparation method of the oryzanol berberine hydrochloride tablet, which comprises the following steps:
(1) preparation of berberine hydrochloride oryzanol granules: mixing berberine hydrochloride, oryzanol, part of surfactant and dispersant, jet milling, and dry granulating to obtain granule;
(2) dissolving the residual surfactant and dispersant in the hydrophilic film coating material solution, and stirring until the residual surfactant and dispersant are dissolved to obtain a coating solution; spraying the coating solution onto the granules by fluidized bed spraying to obtain modified berberine hydrochloride oryzanol granules;
(3) mixing the modified berberine hydrochloride oryzanol granules with a filler, a disintegrant and a lubricant according to a certain proportion, and tabletting.
Preferably, the particle size of the mixture after jet milling is D90 ≤ 20 μm.
Preferably, the weight gain of the coating is 3% -5%.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the surfactant with solubilization and the dispersant with strong hydrophilicity are selected, so that the dispersibility and dissolution rate of berberine hydrochloride and oryzanol can be remarkably improved.
(2) The surfactant and the dispersant are mixed with the berberine hydrochloride and the oryzanol, and then the mixture is subjected to jet milling and dry granulation, so that the berberine hydrochloride and the oryzanol can be well dispersed in the surfactant and the dispersant, and the specific surface area and the dispersibility of the berberine hydrochloride or the oryzanol are improved.
(3) The surfactant and the dispersant are dissolved in the hydrophilic film coating material solution, and the berberine hydrochloride oryzanol particles are coated by adopting a fluidized bed spraying method, so that a hydrophilic coating layer can be formed on the surfaces of the particles, and the surfactant and the dispersant are quickly dissolved after meeting water, so that the hydrophilicity and the dissolution rate are further improved, and the bioavailability of the medicine is further improved.
(4) The prescription and the preparation process are simple, the combined application of the berberine hydrochloride and the oryzanol has the effect of synergistically treating the diabetes, the prescription composition is simple, and the compliance of patients is greatly improved.
Detailed Description
The present invention is further described in detail below with reference to specific embodiments, which are given for the purpose of illustration only and are not intended to limit the scope of the invention. The test methods in the following examples are all conventional methods unless otherwise specified, and the raw materials, reagent materials and the like used in the following examples are all commercially available products unless otherwise specified. The amount used in each example is weight percent.
Example 1
A berberine hydrochloride oryzanol tablet comprises the following components:
Figure BDA0002555471370000031
the preparation method comprises the following steps:
(1) preparation of berberine hydrochloride oryzanol granules
Mixing berberine hydrochloride, oryzanol, polysorbate 80, and hypromellose, jet milling, and dry granulating. And (3) adding polysorbate 80 and hydroxypropyl methylcellulose into a 3% hydroxyethyl cellulose aqueous solution to obtain a coating solution. Spraying the coating solution onto the dry-granulated particles by using a fluidized bed spraying mode, wherein the coating weight is increased by 3 percent, and thus obtaining the berberine hydrochloride oryzanol modified particles.
(2) Preparation of tablets
Mixing the berberine hydrochloride and oryzanol modified granules with lactose, croscarmellose sodium and magnesium stearate, and tabletting.
Example 2:
a berberine hydrochloride oryzanol tablet comprises the following components:
Figure BDA0002555471370000032
the preparation method comprises the following steps:
(1) preparation of berberine hydrochloride oryzanol granules
Mixing berberine hydrochloride, oryzanol, sodium laurylsulfate and poloxamer, jet-milling, and dry granulating. And (3) dissolving the added lauryl sodium sulfate and the added poloxamer into 5% hydroxyethyl methyl cellulose aqueous solution to obtain a coating solution. Spraying the coating solution onto the dry-granulated particles by using a fluidized bed spraying mode, wherein the coating weight is increased by 3 percent, and thus obtaining the berberine hydrochloride oryzanol modified particles.
(2) Preparation of tablets
Mixing the berberine hydrochloride and oryzanol modified granules with lactose, croscarmellose sodium and magnesium stearate, and tabletting.
Example 3:
a berberine hydrochloride oryzanol tablet comprises the following components:
Figure BDA0002555471370000041
the preparation method comprises the following steps:
(1) preparation of berberine hydrochloride oryzanol granules
Mixing berberine hydrochloride, oryzanol, sodium laurylsulfate and hypromellose, jet milling, and dry granulating. And (3) dissolving the added lauryl sodium sulfate and the added hydroxypropyl methylcellulose into a 3% hydroxyethyl methyl cellulose aqueous solution to obtain a coating solution. Spraying the coating solution onto the dry-granulated particles by using a fluidized bed spraying mode, wherein the coating weight is increased by 3 percent, and thus obtaining the berberine hydrochloride oryzanol modified particles.
(2) Preparation of tablets
Mixing the berberine hydrochloride oryzanol modified granules with microcrystalline cellulose, lactose, crospovidone and magnesium stearate, and tabletting.
Example 4:
a berberine hydrochloride oryzanol tablet comprises the following components:
Figure BDA0002555471370000051
the preparation method comprises the following steps:
(2) preparation of berberine hydrochloride oryzanol granules
Mixing berberine hydrochloride, oryzanol, polysorbate 80 and microcrystalline cellulose, jet milling, and dry granulating. And (3) dissolving additional polysorbate 80 and additional microcrystalline cellulose in a 3% hydroxyethyl cellulose aqueous solution to obtain a coating solution. Spraying the coating solution onto the dry-granulated particles by using a fluidized bed spraying mode, wherein the coating weight is increased by 3 percent, and thus obtaining the berberine hydrochloride oryzanol modified particles.
(2) Preparation of tablets
Mixing the berberine hydrochloride and oryzanol modified granules with lactose, crospovidone and magnesium stearate, and tabletting.
Example 5:
a berberine hydrochloride oryzanol tablet comprises the following components:
Figure BDA0002555471370000052
the preparation method comprises the following steps:
(1) preparation of berberine hydrochloride oryzanol granules
Mixing berberine hydrochloride, oryzanol, polysorbate 80 and poloxamer, jet-milling, and dry granulating. And (3) dissolving the additional polysorbate 80 and the additional poloxamer in a 3% hydroxyethyl cellulose aqueous solution to obtain a coating solution. Spraying the coating solution onto the dry-granulated particles by using a fluidized bed spraying mode, wherein the coating weight is increased by 3 percent, and thus obtaining the berberine hydrochloride oryzanol modified particles.
(2) Preparation of tablets
Mixing the berberine hydrochloride and oryzanol modified granules with lactose, croscarmellose sodium and magnesium stearate, and tabletting.
Comparative example 1: directly mixing and tabletting.
The formulation is the same as example 1, and the preparation method is as follows: mixing berberine hydrochloride, oryzanol, polysorbate 80, hypromellose, lactose, croscarmellose sodium, and magnesium stearate, and directly tabletting.
Comparative example 2: and (4) tabletting without coating.
The formulation is the same as example 1, and the preparation method is as follows: mixing berberine hydrochloride, oryzanol, polysorbate 80 and hypromellose, jet milling, and dry granulating. The granules were mixed with lactose, croscarmellose sodium and magnesium stearate and compressed into tablets.
Comparative example 3: tabletting without jet milling
The formulation is the same as example 1, and the preparation method is as follows: mixing berberine hydrochloride, oryzanol, polysorbate 80 and hypromellose, and granulating by dry method. And (3) adding polysorbate 80 and hydroxypropyl methylcellulose into a 3% hydroxyethyl cellulose aqueous solution to obtain a coating solution. The coating solution is sprayed on the particles obtained by dry granulation by adopting a fluidized bed spraying mode, and the weight gain of the coating is 3 percent. The granules were mixed with lactose, croscarmellose sodium and magnesium stearate and compressed into tablets.
Comparative example 4: berberine hydrochloride single tablet
The formulation and preparation were the same as in example 1 except that oryzanol was not contained.
Comparative example 5: oryzanol single tablet
The formulation and preparation method are the same as example 1 except that berberine hydrochloride is not contained, and the preparation method is as follows:
experimental example 1:
drawing of standard curve
1. Drawing of oryzanol standard curve
Precisely weighing 20mg of oryzanol raw material medicine, placing the oryzanol raw material medicine into a 100mL measuring flask, adding a proper amount of n-heptane, heating in a water bath at 70 ℃ for 10min to dissolve, cooling, adding n-heptane to scale, shaking up, and preparing into a standard stock solution with the concentration of 0.2 mg/mL. 1, 2, 3, 4, 5ml are precisely measured, respectively placed in a 50ml measuring flask, diluted to the scale with n-heptane, shaken well and measured for absorbance (A) at 315nm wavelength. And (D) performing linear regression on the concentration C (X, mu g/mL) by using A (Y) to obtain a regression equation and a standard curve of the absorbance and the concentration of the oryzanol.
2. Drawing standard curve of berberine hydrochloride
Accurately weighing 20mg of berberine hydrochloride, placing into a 50ml measuring flask, dissolving with appropriate amount of 80% ethanol, and fixing volume. Accurately sucking 1, 2, 3, 4, 5mL of the above standard solution, diluting with 80% ethanol and diluting to 50mL, measuring absorbance (A) at 348nm, and performing linear regression on concentration C (X, μ g/mL) with A (Y) to obtain regression equation and standard curve of berberine hydrochloride absorbance and concentration.
Experimental example 2:
content uniformity determination
The tablets of examples 1 to 5 and comparative examples 1 to 3 were measured for the content uniformity of oryzanol. 6 tablets prepared in examples 1 to 5 and comparative examples 1 to 3 were each ground with about 30ml of n-heptane, transferred to a 50ml measuring flask, heated in a water bath at 70 ℃ for 10min to dissolve, allowed to cool, diluted to the mark with n-heptane, shaken up, 1ml of the subsequent filtrate was taken, placed in a 10ml measuring flask, added to the mark with n-heptane, shaken up, and the absorbance was measured at a wavelength of 315nm and calculated by substituting the regression equation, and the results are shown in Table 1.
TABLE 1 content uniformity of tablets
Figure BDA0002555471370000071
As can be seen from the above table: the berberine hydrochloride oryzanol tablets prepared in the examples 1-5 of the invention have uniform content, however, the tablets prepared in the comparative examples 1-3 have great difference among different tablets. The main reason is that comparative example 1 is directly mixed, comparative example 3 is dry granulated without jet milling, oryzanol is poor in solubility and dispersibility, and is not uniformly mixed with the surfactant and the dispersant. Comparative example 2 does not include a hydrophilic material coating step and a hydrophilic coating is not formed on the surface of the granules, resulting in poor roundness and hydrophilicity of the granules as in the examples of the present application, poor friability and thus poor content uniformity of the tablets.
Experimental example 2
Determination of dissolution of tablets
Referring to the second method XC in the appendix of the second part of the Chinese pharmacopoeia 2010, in-vitro dissolution curves of berberine hydrochloride and oryzanol in the examples 1 to 6 and the comparative examples 1 and 4 of the invention are respectively measured at the temperature (37 +/-0.5) and the rotating speed of 100 r/min. In order to improve the solubility of oryzanol in the dissolution medium, 500mL of phosphate buffered saline (pH 7.4) containing 0.5% polysorbate-80 is selected as the dissolution medium, the test is carried out in a rotating basket, 5mL of the dissolution medium is sampled at 0, 15, 30, 45, 60, 90 and 120min, and 5mL of fresh dissolution medium with the same temperature is supplemented. After the sample is filtered by a filter membrane of 0.22 mu m, the dissolution amount of berberine hydrochloride and oryzanol is measured, and the cumulative dissolution percentage is calculated.
TABLE 1 cumulative percent dissolution of tablets prepared in examples 1-5
Figure BDA0002555471370000072
Figure BDA0002555471370000081
As can be seen from the table above, the tablets prepared in examples 1-5 of the present invention have good dissolution rates, all of which reach more than 80% within 120 min. The dissolution rates of the tablets prepared in comparative examples 1-3 are below 65% within 120 min. The reason is that: comparative example 1 in which the mixture was directly mixed, comparative example 2 in which the hydrophilic coating was not included, and comparative example 3 in which dry granulation was performed without jet milling, berberine hydrochloride and oryzanol were poorly dispersed in the tablets, and content uniformity was poor, resulting in a low dissolution rate. The bioavailability is low, and the preparation method has the advantages of low bioavailability,
experimental example 3:
pharmacodynamic experiment
Experimental animals: SPF grade mice, male, between 4-6 weeks of age, weigh 18-22 g.
1. And (3) establishing a diabetes model of a mouse induced by alloxan.
After the mice are adaptively fed for 7 days, the mice are fasted without water prohibition for 24 hours, 10 mice are randomly selected as a normal control group, the same amount of normal saline is injected into the abdominal cavity, 200mg/kg of alloxan is injected into the abdominal cavity of each of the other mice, a 2% solution is prepared by the normal saline before use, and normal feeding is recovered after injection. And after 72h, cutting the tail tip of the mouse to take blood, measuring the fasting blood sugar value by a glucometer, and fasting for 12h before measurement, wherein the mouse with the fasting blood sugar value more than 11.1mmol/L is a hyperglycemic mouse successfully modeled.
2. Experimental groups
First group (negative control group): normal mice were gavaged with normal saline;
second group (diabetes model group): normal saline for gavage of hyperglycaemic mice
Third group (positive control group): glimepiride, 5mg/kg
Experimental groups: berberine hydrochloride oryzanol tablets of embodiments 1-5 of the invention;
control group: berberine hydrochloride tablets of comparative example 4, oryzanol tablets of comparative example 5;
each group had 8.
3. Blood sugar lowering experiment
The administration mode comprises the following steps: gavage is performed 2 times a day with 12-hour intervals. The administration is continued for 14 days, each group is fed with basal feed and free drinking water, and the fasting blood glucose value of the mice is measured 7 days and 14 days after the administration. The experimental results are as follows:
TABLE 2 Effect of tablets prepared in examples 1-5 on blood glucose concentration in hyperglycemic model mice
Figure BDA0002555471370000082
Figure BDA0002555471370000091
As can be seen from the above table, examples 1-5 of the present invention were able to significantly reduce the blood glucose level in experimental animals after administration, similar to the positive control glibenclamide at low doses, and significantly reduce the blood glucose level in animals at high doses. And when the berberine hydrochloride or the oryzanol are singly used, the effect of reducing blood sugar is not better than that of combining the berberine hydrochloride and the oryzanol, which shows that the combination of the berberine hydrochloride and the oryzanol achieves the synergistic effect.
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 it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.

Claims (7)

1. The berberine hydrochloride oryzanol tablet is characterized by comprising the following components in parts by weight: berberine hydrochloride oryzanol granules, a filler, a disintegrant and a lubricant;
the berberine hydrochloride oryzanol particles are composed of berberine hydrochloride, oryzanol, a surfactant, a dispersant and a hydrophilic film coating material, wherein the weight ratio of the berberine hydrochloride to the oryzanol is 1: 0.2-0.8.
2. The oryzanol berberine hydrochloride tablet of claim 1, wherein the surfactant is selected from one or a combination of two of sodium lauryl sulfate, polysorbate 80; the dispersing agent is selected from one or more of microcrystalline cellulose, hydroxypropyl methylcellulose and poloxamer; the hydrophilic film coating material is selected from one or more of hydroxyethyl cellulose and hydroxyethyl methyl cellulose.
3. The oryzanol berberine hydrochloride tablet of claim 1, wherein the filler is one or more of microcrystalline cellulose, lactose, pregelatinized starch, mannitol; the disintegrating agent is one or more of croscarmellose sodium, crospovidone, hydroxypropyl methylcellulose and corn starch; the lubricant is one or more of magnesium stearate and silicon dioxide.
4. The oryzanol berberine hydrochloride tablet of claim 1, wherein the weight ratio of the oryzanol hydrochloride to the berberine hydrochloride is 1: 0.2-0.6.
5. A process for the preparation of oryzanol berberine hydrochloride tablets as defined in claims 1-4, characterized in that:
preparation of berberine hydrochloride oryzanol granules: mixing berberine hydrochloride, oryzanol, internal surfactant and dispersant, jet-milling, and dry-granulating to obtain granule;
dissolving an additional surfactant and an additional dispersant in the hydrophilic film coating material solution, and stirring until the additional surfactant and the additional dispersant are dissolved to obtain a coating solution; spraying the coating solution onto the granules by fluidized bed spraying to obtain modified berberine hydrochloride oryzanol granules;
(3) mixing the modified berberine hydrochloride oryzanol granules with a filler, a disintegrant and a lubricant according to a certain proportion, and tabletting.
6. The method of claim 7, wherein the mixture after jet milling has a particle size of D90 ≤ 20 μm.
7. The method of claim 7, wherein the coating weight gain in step (2) is 3-5%.
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