CN104490825A - Zinc gluconate composition freeze-dried tablets and preparation method thereof - Google Patents
Zinc gluconate composition freeze-dried tablets and preparation method thereof Download PDFInfo
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- CN104490825A CN104490825A CN201410736844.2A CN201410736844A CN104490825A CN 104490825 A CN104490825 A CN 104490825A CN 201410736844 A CN201410736844 A CN 201410736844A CN 104490825 A CN104490825 A CN 104490825A
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Abstract
The invention provides zinc gluconate composition freeze-dried tablets and a preparation method thereof, relating to the technical field of medicine and medicine production. The zinc gluconate composition freeze-dried tablets comprise zinc gluconate, starch and sucrose; the starch and sucrose are used as accessories, common corn starch is processed by a heating process, the bonding and disintegration effects of the starch in the tablets can be improved, the formability of the tablets is increased, and only two accessories, namely starch and sucrose, are needed in the zinc gluconate composition freeze-dried tablets. A freeze-drying process of two-time reduction and two-time increase is adopted for the zinc gluconate composition freeze-dried tablets, the formability of the tablets is better through two-time reduction and two-time increase of temperature, and the dissolubility of the tablets is improved so as to improve the bioavailability of the tablets; the tablets overcome the shortcomings of common zinc gluconate tablets, and the types and amount of accessories in the zinc gluconate tablets are reduced; and moreover, the dissolubility and bioavailability of the tablets are high, and the curative effect and safety of clinical medication are guaranteed.
Description
Technical field
The present invention relates to medicine and medical production technical field, be specifically related to a kind of zinc gluconate composition freeze-drying sheet and preparation method thereof.
Background technology
Zinc gluconate is zinc supplement, is mainly used in baby and old age, the growth retardation that gravid woman causes because of zinc deficiency, malnutrition, apositia, recurrent oral ulceration, the diseases such as skin acne.
structural formula
Molecular weight: 455.68
In common zinc gluconate tablets containing supplementary product kind and quantity more, generally to use filler, lubricant, disintegrating agent, adhesive, correctives etc., according to Chinese Pharmacopoeia (2010 editions) second zinc gluconate tablets quality standard, the dissolution of zinc gluconate tablets reached more than 75% for qualified 30 minutes time, and increasing research shows that impurity in the incompatibility of the toxic and side effects of adjuvant itself, adjuvant and principal agent, adjuvant etc. all can have an impact to the safety of medicine.
Therefore, provide one can overcome above-mentioned shortcoming, select suitable adjuvant and technique, reduce supplementary product kind and consumption in zinc gluconate tablets, improve dissolution and the bioavailability of zinc gluconate tablets, ensure that the safety of clinical application all has positive effect.
Traditional lyophilizing tablet can improve dissolution and bioavailability, but still need use the adjuvant such as mannitol, gelatin.And mannitol has certain biological activity, gelatin resource-constrained and perishable.
Starch is the basic adjuvant of oral solid formulation, it is polymerized by glucose molecule, and be commonly used for adhesive, diluent and disintegrating agent in tablets, it is cheap and easy to get, to human-body safety, but being used alone starch has no report as adjuvant freeze-dry process production zinc gluconate lyophilizing sheet.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, and propose a kind of zinc gluconate composition freeze-drying sheet and preparation method thereof further, said preparation adjuvant is few, good stability, and bioavailability is high.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of zinc gluconate composition freeze-drying sheet, adjuvant is done with starch and sucrose, produce with freeze-dry process, this tablet overcomes the shortcoming of above-mentioned common glucose saccharic acid zinc metal sheet, decrease supplementary product kind and consumption in zinc gluconate tablets, this sheet dissolution is large, and bioavailability is high, ensure that curative effect and the safety of clinical application.
A kind of zinc gluconate composition freeze-drying sheet, is prepared from by following raw material:
A preparation method for zinc gluconate composition freeze-drying sheet, comprises step as follows:
A, take the starch of component amount, add a certain amount of purified water and stir, by pH adjusting agent, the pH value of solution is controlled between 5-7.5, be then heated to 72 DEG C, be incubated 20 minutes, make the corn starch solution of 5 ~ 15% (W/V);
B, measure purified water 45ml, boil, add 85g sucrose, stir, after dissolving, continue to be heated to 100 DEG C, filter with purified cotton, the appropriate hot distilled water of filter is cleaned, and washing liquid and filtrate merge, and let cool, add appropriate distilled water, make full dose become 100ml, stir evenly, obtain B solution;
The solution that C, the solution and the step B that steps A are obtained obtain mixes, and fully stirs 30 minutes, is down to room temperature and obtains Semen Maydis-sucrose solution;
D, take zinc gluconate 35 grams, add in 1L Semen Maydis-sucrose solution, stir 25 ~ 35 minutes;
Medicinal liquid is sub-packed in drug-containing dish after measuring gluconic acid Zn content by E, medicinal liquid, each drug-containing dish dress 1.0ml;
F, the drug-containing dish that medicinal liquid is housed is put into vacuum freezing drying oven, be cooled to subzero 45 DEG C, keep 2 hours, evacuation, then 0 DEG C is warming up to gradually, keep 2 hours, then be cooled to subzero 45 DEG C, keep 2 hours, be warming up to 0 DEG C gradually again, keep 2 ~ 4 hours, then be warming up to 28 ~ 32 DEG C of dryings 4 ~ 6 hours gradually, whole process vacuum remains on 10 handkerchiefs; Finally the drug-containing dish lid of powder charge is covered tightly, and load aluminium foil bag and carry out sealing and obtain zinc gluconate composition freeze-drying sheet.
Described starch selects corn starch, preferably the corn starch solution of 10% (W/V).
Beneficial effect of the present invention is:
The preparation method of a kind of zinc gluconate composition freeze-drying sheet of the present invention, heating process process is carried out to common corn starch, starch bonding in tablets, disintegration can be improved, improve the mouldability of tablet, in zinc gluconate composition freeze-drying sheet, dosage of sucrose is 8.5% (W/V), it is the hardness reinforcer of this tablet, and plays flavored action.Zinc gluconate composition freeze-drying sheet only needs starch and sucrose two kinds of adjuvants.The freeze-dry process of two liters falls in zinc gluconate composition freeze-drying sheet employing two, and twice cooling, twice intensification can make sheet mouldability better, which increase the dissolution of tablet, thus improve the bioavailability of tablet.
Accompanying drawing explanation
Fig. 1 is the dissolution correlation curve figure of zinc gluconate in experiment.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, set forth the present invention further, but following embodiment being only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to the protection domain of this patent.
Embodiment 1
A, take the corn starch of 100g, the purified water adding 900ml stirs, and controls at 5-7.5, is then heated to 72 DEG C, keep 120 minutes, make the corn starch solution of 9% (W/V) by pH adjusting agent by the pH value of solution.
B, measure purified water 45ml, boil, add 85g sucrose, stir, after dissolving, continue to be heated to 100 DEG C, filter with purified cotton, the appropriate hot distilled water of filter is cleaned, and washing liquid and filtrate merge, and let cool, add appropriate distilled water, make full dose become 100mL, stir evenly, obtain B solution.
The solution that C, the solution and the step B that steps A are obtained obtain mixes, and fully stirs 30 minutes, after solution be down to room temperature obtain Semen Maydis-sucrose solution.
D, take zinc gluconate 35g, add in 1L Semen Maydis-sucrose solution, stir 30 minutes.
Medicinal liquid is sub-packed in drug-containing dish after measuring gluconic acid Zn content by E, medicinal liquid, each drug-containing dish dress 1.0ml.
F, the drug-containing dish that medicinal liquid is housed is put into vacuum freezing drying oven, be cooled to subzero 45 DEG C, keep 2 hours, evacuation, then 0 DEG C is warming up to gradually, keep 2 hours, then be cooled to subzero 45 DEG C, keep 2 hours, be warming up to 0 DEG C gradually again, keep 2 ~ 4 hours, then be warming up to 28 ~ 32 DEG C of dryings 4 ~ 6 hours gradually, whole process vacuum remains on 10 handkerchiefs.Finally the drug-containing dish lid of powder charge is covered tightly, and load aluminium foil bag and carry out sealing and obtain zinc gluconate composition freeze-drying sheet.
Embodiment 2
A, take the corn starch of 130g, the purified water adding 900ml stirs, and controls at 5-7.5, is then heated to 72 DEG C, keep 120 minutes, make the corn starch solution of 13% (W/V) by pH adjusting agent by the pH value of solution.
B, measure purified water 45ml, boil, add 85g sucrose, stir, after dissolving, continue to be heated to 100 DEG C, filter with purified cotton, the appropriate hot distilled water of filter is cleaned, and washing liquid and filtrate merge, and let cool, add appropriate distilled water, make full dose become 100mL, stir evenly, obtain B solution.
The solution that C, the solution and the step B that steps A are obtained obtain mixes, and fully stirs 30 minutes, after solution be down to room temperature obtain Semen Maydis-sucrose solution.
D, take zinc gluconate 35 grams (by 1000 calculations), add 1L Semen Maydis-sucrose solution, stir 30 minutes.
Medicinal liquid is sub-packed in drug-containing dish after measuring gluconic acid Zn content by E, medicinal liquid, each drug-containing dish dress 1.0ml.
F, the drug-containing dish that medicinal liquid is housed is put into vacuum freezing drying oven, be cooled to subzero 45 DEG C, keep 2 hours, evacuation, then 0 DEG C is warming up to gradually, keep 2 hours, then be cooled to subzero 45 DEG C, keep 2 hours, be warming up to 0 DEG C gradually again, keep 2 ~ 4 hours, then be warming up to 28 ~ 32 DEG C of dryings 4 ~ 6 hours gradually, whole process vacuum remains on 10 handkerchiefs.Finally the drug-containing dish lid of powder charge is covered tightly, and load aluminium foil bag and carry out sealing and obtain zinc gluconate composition freeze-drying sheet.
Experimental data
The zinc gluconate composition freeze-drying sheet that above-described embodiment is obtained carries out following quality research test:
1, hardness, friability contrast test
Get zinc gluconate composition freeze-drying sheet prepared by above-described embodiment respectively and zinc gluconate ordinary tablet (commercially available) detects friability and hardness by " Chinese Pharmacopoeia " version in 2010 two annex X G inspection techniques, carry out comparative study, the results are shown in following table:
| Sample | Hardness/N | Friability |
| Execute example 1 | 64.8 | <1％ |
| Execute example 2 | 63.5 | <1％ |
| Ordinary tablet (commercially available) | 68.6 | <1％ |
Experimental data shows, zinc gluconate composition freeze-drying sheet and ordinary tablet (commercially available) without significant difference, meet " Chinese Pharmacopoeia " version in 2010 to the requirement of tablet on friability and hardness.
2, dissolution contrast test
(No. 1 to No. 3 is embodiment 1 to get zinc gluconate tablets (commercially available) and each 6 of zinc gluconate composition freeze-drying sheet, No. 4 to No. 6 is embodiment 2), press Chinese Pharmacopoeia (2010 editions) second dissolution method annex X C first method respectively, with water 1000ml for solvent, rotating speed is 100 turns per minute, operate in accordance with the law, respectively through 10min, 20min, 25min, 30min, during 60min, get solution appropriate, filter, precision measures subsequent filtrate 2ml (174mg specification) or 5ml (70mg specification) or 10ml (35mg specification), put in 100ml measuring bottle, be diluted with water to scale, shake up, as need testing solution, separately get zinc gluconate reference substance and be about 14mg, accurately weighed, be dissolved in water and to 100ml, shake up, precision measures 1ml, 2ml, 3ml, 4ml, 5ml, puts in 100ml measuring bottle, is diluted with water to scale, shake up, in contrast product solution.Get subsequent filtrate as need testing solution; Another precision takes, and the zinc gluconate reference substance being dried to constant weight is about 50mg, adds water and makes dissolving in right amount and be diluted to 1000ml, in contrast product solution.Get reference substance solution and need testing solution, according to atomic absorption spectrophotometry (annex IV D first method), measure trap at the wavelength place of 213.9nm, calculate the stripping quantity of every sheet.Result is as follows:
One, zinc gluconate tablets (commercially available)
Two, zinc gluconate lyophilizing sheet (No. 1 to No. 3 is embodiment 1, and No. 4 to No. 6 is embodiment 2)
Respectively with catch cropping Dissolution profiles during average dissolution pair, as Fig. 1.
Four, result judges
Judge according to Chinese Pharmacopoeia (2010 editions) second zinc gluconate tablets quality standard, the dissolution of zinc gluconate tablets (commercially available) reached more than 75% for qualified 30 minutes time, actual measurement is 76.15%, and zinc gluconate lyophilizing sheet dissolution 20 minutes time reaches 77.2%.It can thus be appreciated that the time that zinc gluconate lyophilizing sheet dissolution reaches 75% is than the time decreasing about 10 minutes of zinc gluconate tablets (commercially available).So the zinc gluconate lyophilizing sheet blood drug level peaking time is shorter than zinc gluconate tablets (commercially available), and bioavailability is higher, better efficacy.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description is only preference of the present invention; be not used for limiting the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a zinc gluconate composition freeze-drying sheet, is characterized in that, is prepared from by following raw material:
2. a preparation method for zinc gluconate composition freeze-drying sheet according to claim 1, is characterized in that, comprise step as follows:
A, take the starch of component amount, add a certain amount of purified water and stir, by pH adjusting agent, the pH value of solution is controlled between 5-7.5, be then heated to 72 DEG C, be incubated 20 minutes, make the corn starch solution of 5 ~ 15% (W/V);
B, measure purified water 45ml, boil, add 85g sucrose, stir, after dissolving, continue to be heated to 100 DEG C, filter with purified cotton, the appropriate hot distilled water of filter is cleaned, and washing liquid and filtrate merge, and let cool, add appropriate distilled water, make full dose become 100ml, stir evenly, obtain B solution;
The solution that C, the solution and the step B that steps A are obtained obtain mixes, and fully stirs 30 minutes, is down to room temperature and obtains Semen Maydis-sucrose solution;
D, take zinc gluconate 35 grams, add in 1L Semen Maydis-sucrose solution, stir 25 ~ 35 minutes;
Medicinal liquid is sub-packed in drug-containing dish after measuring gluconic acid Zn content by E, medicinal liquid, each drug-containing dish dress 1.0ml;
F, the drug-containing dish that medicinal liquid is housed is put into vacuum freezing drying oven, be cooled to subzero 45 DEG C, keep 2 hours, evacuation, then 0 DEG C is warming up to gradually, keep 2 hours, then be cooled to subzero 45 DEG C, keep 2 hours, be warming up to 0 DEG C gradually again, keep 2 ~ 4 hours, then be warming up to 28 ~ 32 DEG C of dryings 4 ~ 6 hours gradually, whole process vacuum remains on 10 handkerchiefs; Finally the drug-containing dish lid of powder charge is covered tightly, and load aluminium foil bag and carry out sealing and obtain zinc gluconate composition freeze-drying sheet.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61242556A (en) * | 1985-04-19 | 1986-10-28 | Hatoya Seika:Kk | Preparation of snack using fruits |
| US20020173016A1 (en) * | 2001-03-27 | 2002-11-21 | Helmut Wurst | High-throughput nucleic acid polymerase devices and methods for their use |
| CN101703478A (en) * | 2009-11-20 | 2010-05-12 | 天津市弗兰德医药科技发展有限公司 | Zinc gluconate pellets and preparation method thereof |
-
2014
- 2014-12-05 CN CN201410736844.2A patent/CN104490825A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61242556A (en) * | 1985-04-19 | 1986-10-28 | Hatoya Seika:Kk | Preparation of snack using fruits |
| US20020173016A1 (en) * | 2001-03-27 | 2002-11-21 | Helmut Wurst | High-throughput nucleic acid polymerase devices and methods for their use |
| CN101703478A (en) * | 2009-11-20 | 2010-05-12 | 天津市弗兰德医药科技发展有限公司 | Zinc gluconate pellets and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘晓睿: "口腔速溶片的研究进展", 《中南药学》 * |
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Application publication date: 20150408 |