CN116077437A - 一种蒙脱石混悬剂及其制备方法 - Google Patents
一种蒙脱石混悬剂及其制备方法 Download PDFInfo
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 229910052901 montmorillonite Inorganic materials 0.000 title claims abstract description 150
- 239000000725 suspension Substances 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000001954 sterilising effect Effects 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 21
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- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 238000000265 homogenisation Methods 0.000 claims abstract description 8
- 239000000230 xanthan gum Substances 0.000 claims description 14
- 235000010493 xanthan gum Nutrition 0.000 claims description 14
- 229920001285 xanthan gum Polymers 0.000 claims description 14
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- 239000004376 Sucralose Substances 0.000 claims description 12
- BAQAVOSOZGMPRM-QBMZZYIRSA-N sucralose Chemical compound O[C@@H]1[C@@H](O)[C@@H](Cl)[C@@H](CO)O[C@@H]1O[C@@]1(CCl)[C@@H](O)[C@H](O)[C@@H](CCl)O1 BAQAVOSOZGMPRM-QBMZZYIRSA-N 0.000 claims description 12
- 235000019408 sucralose Nutrition 0.000 claims description 12
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- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 8
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- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
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- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 2
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 2
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- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 241000607626 Vibrio cholerae Species 0.000 description 1
- 206010051511 Viral diarrhoea Diseases 0.000 description 1
- CQBLUJRVOKGWCF-UHFFFAOYSA-N [O].[AlH3] Chemical compound [O].[AlH3] CQBLUJRVOKGWCF-UHFFFAOYSA-N 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
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- 239000002552 dosage form Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- IINNWAYUJNWZRM-UHFFFAOYSA-L erythrosin B Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C21 IINNWAYUJNWZRM-UHFFFAOYSA-L 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
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- 230000000968 intestinal effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 description 1
- 229960002216 methylparaben Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
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- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 1
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- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000008371 vanilla flavor Substances 0.000 description 1
- 229940118696 vibrio cholerae Drugs 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
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Abstract
本发明公开了一种蒙脱石混悬剂,其原辅料包括:蒙脱石、非离子型高分子助悬剂、矫味剂和水;其中,蒙脱石的含量为25~35wt%。本发明还公开了上述蒙脱石混悬剂的制备方法,包括以下步骤:S1、用部分水溶解高分子助悬剂得到高分子助悬介质;S2、将矫味剂溶解在高分子助悬介质中,再加入蒙脱石,真空匀质脱气,加入剩余的水混匀得到蒙脱石混悬剂中间体;S3、对蒙脱石混悬剂中间体进行真空匀质处理,然后卸压,分装,灭菌得到蒙脱石混悬剂。本发明采用非离子型高分子助悬并结合低温脱气分散法,蒙脱石悬浮均匀稳定,沉降体积比大于0.99,再分散性好,采用低温热除菌结合冷灭菌法替代防腐剂,最大限度降低微生物,保质期长。
Description
技术领域
本发明涉及药物制剂技术领域,尤其涉及一种蒙脱石混悬剂及其制备方法。
背景技术
蒙脱石(montmorillonite)是一种层状硅酸盐粘土矿,结晶单元是由两层硅氧四面体夹一层铝氧八面体构成的2∶1型含结晶水结构。蒙脱石性质稳定,不被人体吸收,不改变正常的肠蠕动,不影响食物的正常消化吸收,无刺激性,对神经、呼吸及心血管系统没有影响;蒙脱石微粉具有良好的吸附能力、阳离子交换能力和吸水膨胀能力,对大肠杆菌、霍乱弧菌、空肠弯曲菌、金黄色葡萄球菌和轮状病毒以及胆盐都有较好的吸附作用,对细菌毒素也有固定作用,对病毒性腹泻、分泌性腹泻以及霍乱除外的渗出性腹泻,尤其是儿童常见的轮状病毒性腹泻的止泻作用显著。
目前,蒙脱石临床上有散剂和混悬液两种剂型,且蒙脱石散存在服用时溶液底部残留多,服用剂量不准确问题,对吞咽不利的老幼群体使用不方便,依从性不好。而蒙脱石混悬液则有效解决了以上不足,取用方便,服用剂量准确,更适合吞咽不利的老幼群体服用。
现有技术制造的蒙脱石混悬液均为口服非无菌制剂,为确保有效期需要添加防腐剂或抑菌剂,如:专利CN109414407,以黄原胶、甘油为助悬剂,经热溶混合后,与蒙脱石水分散液混合,加热除菌制得蒙脱石混悬液,处方含防腐剂(苯甲酸或苯甲酸钠)、矫味剂、pH调节剂、着色剂等;专利CN109718201,以羧甲基纤维素钠为助悬剂,经水溶,加蒙脱石匀质混悬,加热除菌制得蒙脱石混悬液,处方含抑菌剂(羟苯甲酯和羟苯丙酯)、矫味剂等。而防腐剂或抑菌剂的存在,不利于儿童尤其是婴幼儿生理健康,而且为了改善儿童尤其是婴幼儿用药体验,现有处方中大量添加着色剂、芳香剂等,这些有机添加物,大部分会吸附在蒙脱石表面,可改变蒙脱石电负性和离子交换容量,影响其吸附除菌效果;且离子型的防腐剂等辅料也会影响蒙脱石电负性和离子交换容量,影响其吸附除菌效果。
发明内容
基于背景技术存在的技术问题,本发明提出了一种蒙脱石混悬剂及其制备方法,本发明采用非离子型高分子助悬并结合低温脱气分散法,蒙脱石悬浮均匀稳定,沉降体积比大于0.99,再分散性好,同时采用低温热除菌结合冷灭菌法替代防腐剂,最大限度降低本发明的微生物,微生物水平低,保质期长。
本发明提出了一种蒙脱石混悬剂,其原辅料包括:蒙脱石、非离子型高分子助悬剂、矫味剂和水;其中,蒙脱石的含量为25~35wt%。
上述水可以为纯化水、去离子水、重蒸水。
优选地,蒙脱石的含量为30wt%。
优选地,非离子型高分子助悬剂选自PEG4000、PEG6000、黄原胶中的至少一种。
优选地,非离子型高分子助悬剂的含量为0.2~0.5wt%。
优选地,矫味剂为中性有机矫味剂。
优选地,矫味剂为甜味剂、芳香剂中的至少一种。
优选地,甜味剂选自果糖、三氯蔗糖中的至少一种。
优选地,矫味剂的含量为0.02~0.1wt%。
上述芳香剂为制剂中可以接受的芳香剂辅料;上述各原料均为药用级或食品级别。
本发明的蒙脱石混悬剂,采用现有工艺将原辅料混合均质过程中会产生大量微小气泡,使混合体系体积膨胀,无法消除,影响灌装,并且大量气泡吸附在蒙脱石颗粒上,会影响蒙脱石的吸附性能,降低其吸附除菌效果。因此发明人经过多次实验,提出了新的制备方法,包括以下步骤:
S1、用部分水溶解高分子助悬剂得到高分子助悬介质;
S2、将矫味剂溶解在高分子助悬介质中,再加入蒙脱石,真空匀质脱气,加入剩余的水混匀得到蒙脱石混悬剂中间体;
S3、对蒙脱石混悬剂中间体进行真空匀质处理,然后卸压,分装,灭菌得到蒙脱石混悬剂。
优选地,在S1中,溶解的温度为40~60℃。
优选地,在S1中,水的用量为总水量的80-95%。
优选地,在S1中,水的用量为总水量的90%。
优选地,在S2中,真空匀质脱气的真空度为-0.090~-0.050MPa。
优选地,在S2中,真空匀质脱气的时间为30~60min。
优选地,在S2中,蒙脱石混悬剂中间体中蒙脱石的粒度D90≤20μm。
上述D90是指样品的累计粒度分布数达到90%时所对应的粒径。
优选地,在S3中,真空匀质处理的具体程序为:于真空度为-0.050~-0.030MPa、温度为90~98℃的条件下,匀质30~60min,然后匀质降温至35~45℃。
优选地,在S3中,灭菌方式为辐照灭菌。
优选地,辐照剂量为10~60kGy。
有益效果:
1、本发明不含防腐剂,添加剂的种类和含量较少,安全性高,更适合幼儿使用;
2、针对蒙脱石颗粒细小、密度大,在水中悬浮性差,表面呈电负性的特点,本发明采用非离子型高分子助悬剂、中性有机矫味剂与蒙脱石相互配合,可以不改变蒙脱石电负性和离子交换容量,并使得蒙脱石微粉颗粒分散悬浮稳定,本发明的沉降体积比大于0.99,再分散性好;
3、本发明采用非离子型高分子助悬剂并结合低温脱气分散技术,使得蒙脱石微粉颗粒均匀分散并且延长蒙脱石微粉的悬浮时间,制剂再分散性好,同时采用脱气分散法,避免混悬液发泡膨胀,防止气泡在蒙脱石表面吸附占位,确保制剂的吸附力(本发明的蒙脱石混悬剂吸附三氯六氨合钴III的量大于110mmol/100g,不低于蒙脱石原料吸附力的98%),不影响本发明的吸附除菌效果;
4、本发明处方中不含防腐剂,采用低温热除菌结合冷灭菌法替代防腐剂,最大限度降低微生物,本发明的微生物水平低,产品保质期长,本发明的保质期大于3年。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、PEG40000.2g、PEG60000.3g、果糖0.05g和纯化水69.45g。
上述蒙脱石混悬剂的制备方法,包括以下步骤:
S1、按照上述配方称取各原料,向配料罐中加入总纯化水量90%的纯化水,加入PEG4000、PEG6000,于40~60℃加热均质至溶解完全,得高分子助悬介质;
S2、向高分子助悬介质中加入果糖,搅拌匀质溶解,然后加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
S3、取蒙脱石混悬剂中间体,先减压排空5~10min,使罐内压力降至-0.050~-0.030MPa,关闭抽气阀,于90~98℃密闭匀质30~60min,再匀质降温至35~45℃,然后卸压,分装,调节辐照剂量为10~20kGy进行辐照灭菌,得到蒙脱石混悬剂。
实施例2
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、黄原胶0.3g、三氯蔗糖0.0375g和纯化水69.6625g。
上述蒙脱石混悬剂的制备方法,包括以下步骤:
S1、按照上述配方称取各原料,向配料罐中加入总纯化水量90%的纯化水,加入黄原胶,于40~60℃加热均质至溶解完全,得高分子助悬介质;
S2、向高分子助悬介质中加入三氯蔗糖,搅拌匀质溶解,然后加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
S3、取蒙脱石混悬剂中间体,先减压排空5~10min,使罐内压力降至-0.050~-0.030MPa,关闭抽气阀,于90~98℃密闭匀质30~60min,再匀质降温至35~45℃,然后卸压,分装,调节辐照剂量为20~40kGy进行辐照灭菌,得到蒙脱石混悬剂。
实施例3
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、黄原胶0.25g、果糖0.02g、三氯蔗糖0.02g和纯化水69.71g。
上述蒙脱石混悬剂的制备方法,包括以下步骤:
S1、按照上述配方称取各原料,向配料罐中加入总纯化水量90%的纯化水,加入黄原胶,于40~60℃加热均质至溶解完全,得高分子助悬介质;
S2、向高分子助悬介质中加入果糖、三氯蔗糖,搅拌匀质溶解,然后加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
S3、取蒙脱石混悬剂中间体,先减压排空5~10min,使罐内压力降至-0.050~-0.030MPa,关闭抽气阀,于90~98℃密闭匀质30~60min,再匀质降温至35~45℃,然后卸压,分装,调节辐照剂量为30~50kGy进行辐照灭菌,得到蒙脱石混悬剂。
实施例4
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、PEG60000.1g、黄原胶0.2g、三氯蔗糖0.0375g和纯化水69.6625g。
上述蒙脱石混悬剂的制备方法,包括以下步骤:
S1、按照上述配方称取各原料,向配料罐中加入总纯化水量90%的纯化水,加入PEG6000、黄原胶,于40~60℃加热均质至溶解完全,得高分子助悬介质;
S2、向高分子助悬介质中加入三氯蔗糖,搅拌匀质溶解,然后加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
S3、取蒙脱石混悬剂中间体,先减压排空5~10min,使罐内压力降至-0.050~-0.030MPa,关闭抽气阀,于90~98℃密闭匀质30~60min,再匀质降温至35~45℃,然后卸压,分装,调节辐照剂量为40~60kGy进行辐照灭菌,得到蒙脱石混悬剂。
实施例5
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、PEG40000.2g、黄原胶0.2g、三氯蔗糖0.0375g和纯化水69.5625g。
上述蒙脱石混悬剂的制备方法,包括以下步骤:
S1、按照上述配方称取各原料,向配料罐中加入总纯化水量90%的纯化水,加入PEG4000、黄原胶,于40~60℃加热均质至溶解完全,得高分子助悬介质;
S2、向高分子助悬介质中加入三氯蔗糖,搅拌匀质溶解,然后加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
S3、取蒙脱石混悬剂中间体,先减压排空5~10min,使罐内压力降至-0.050~-0.030MPa,关闭抽气阀,于90~98℃密闭匀质30~60min,再匀质降温至35~45℃,然后卸压,分装,调节辐照剂量为20~40kGy进行辐照灭菌,得到蒙脱石混悬剂。
本发明所述蒙脱石混悬剂包装规格为3.3g∶1g、10g∶3g,用法用量为:2岁以上,一次6.6~10克,一日3次;成人,一次10克,一日3次。
对比例1
一种蒙脱石混悬剂,每100g蒙脱石混悬液含有蒙脱石30g、黄原胶0.3g、枸橼酸0.2g、维生素C0.1g、三氯蔗糖0.0375g、山梨酸钾0.175g、树莓粉末香精0.5g、香草粉末香精0.5g和纯化水68.1875g。
上述蒙脱石混悬剂的制备方法,包括如下步骤:
S1、按照上述配方称取各原料,取维生素C与枸橼酸溶于5g的纯化水中,作为溶液1;取山梨酸钾溶于5g的纯化水中,作为溶液2;
S2、向配料罐中加入55g的纯化水,搅拌均质,加入香草粉末香精、树莓粉末香精、三氯蔗糖、黄原胶,搅拌均质至溶解完全,然后加入溶液1,搅拌均质5min,再加入蒙脱石,搅拌均质5min,最后加入溶液2,搅拌均质5min,用2M枸橼酸溶液调节pH值至4.8~5.2,加剩余的纯化水,搅拌均质15min,分装,得到蒙脱石混悬剂。
对比例2
按CN109414407说明书实施例1配制
将300g蔗糖完全溶解在300ml纯净水中,将3.5g黄原胶与100ml纯净水一起添加,并搅拌40min使其完全分散。然后,添加甘油115g并搅拌5min,添加柠檬酸1.25g并搅拌5min,添加柠檬酸钠0.75g并搅拌5min,添加蒙脱石散100g和纯净水300ml,并加热至90℃,搅拌30-40min后,冷却至室温。确定冷却至室温后,添加苯甲酸钠0.7g并搅拌5min,添加香草香料6g并搅拌5min,添加草莓香精6g并搅拌5min,添加赤藓红0.045g,纯净水定量至1L,并搅拌10min。反应器的搅拌速度为500rpm,搅拌器为桨式搅拌器。
取实施例1-5和对比例1-2的蒙脱石混悬剂进行粒径、粘度、pH值、沉降体积比(F)、再分散性、吸附力、微生物水平检查。结果如表1所示。
表1检测结果
由表1可以看出:与对比例1-2相比,本发明的蒙脱石混悬液吸附力更好,微生物水平更低。
对实施例1和对比例1进行稳定性实验,实验结果如表2所示。
表2检测结果
由表2可以看出:与对比例1相比,本发明不含有防腐剂,配方简单,辅料用量很少,但是其仍然具有良好稳定性。
对比例3
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g、PEG40000.2g、PEG60000.3g、果糖0.05g、枸橼酸0.2g、维生素C0.1g、山梨酸钾0.175g、树莓粉末香精0.5g、香草粉末香精0.5g和纯化水67.975g。
上述蒙脱石混悬剂的制备方法,在S2中,向高分子助悬介质中加入果糖、枸橼酸、维生素C、山梨酸钾、树莓粉末香精、香草粉末香精,搅拌匀质溶解,其他同实施例1的制备方法。
对比例4
一种蒙脱石混悬剂其配方同实施例1。
上述蒙脱石混悬剂的制备方法,包括如下步骤:
S1、同实施例1的S1;
S2、向高分子助悬介质中加入果糖,搅拌匀质溶解,然后加入蒙脱石,搅拌均质混匀,加入剩余的纯化水混匀,得到蒙脱石混悬剂。
对比例5
一种蒙脱石混悬剂,每100g蒙脱石混悬液中含有蒙脱石30g和纯化水70g。
上述蒙脱石混悬剂的制备方法,包括如下步骤:向纯化水中加入蒙脱石,控制真空度在-0.090~-0.050MPa匀质脱气30~60min,使蒙脱石粒度D90≤20μm,加入剩余的纯化水混匀,得到蒙脱石混悬剂中间体;
取蒙脱石混悬剂中间体按照实施例1的S3制得蒙脱石混悬剂。
取实施例1和对比例3-5的蒙脱石混悬剂进行检测。结果如表3所示。
表3检测结果
比较实施例1和对比例3可以看出:添加多种辅料,对其吸附性能有影响,会降低蒙脱石的吸附力;实施例1虽然配方简单,但是仍然具有良好的沉降体积比和再分散性能,且蒙脱石的吸附力明显高于对比例1。
比较实施例1和对比例4可以看出:采用简单的混合均质方法,会引入大量气体,使得蒙脱石混悬剂体积膨胀,且膨胀气泡无法短时间消失;并且引入的气泡会大幅降低蒙脱石的吸附力;采用本发明所述制备方法,可以获得性能良好的蒙脱石混悬剂。
比较实施例1和对比例5可以看出:对比例5虽然配方简单,但是其沉降体积比、再分散性均较低,而本发明具有良好的沉降体积比和再分散性。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种蒙脱石混悬剂,其特征在于,其原辅料包括:蒙脱石、非离子型高分子助悬剂、矫味剂和水;其中,蒙脱石的含量为25~35wt%。
2.根据权利要求1所述蒙脱石混悬剂,其特征在于,蒙脱石的含量为30wt%。
3.根据权利要求1或2所述蒙脱石混悬剂,其特征在于,非离子型高分子助悬剂选自PEG4000、PEG6000、黄原胶中的至少一种。
4.根据权利要求1-3任一项所述蒙脱石混悬剂,其特征在于,非离子型高分子助悬剂的含量为0.2~0.5wt%。
5.根据权利要求1-4任一项所述蒙脱石混悬剂,其特征在于,矫味剂为中性有机矫味剂;优选地,矫味剂为甜味剂、芳香剂中的至少一种;优选地,甜味剂选自果糖、三氯蔗糖中的至少一种。
6.根据权利要求1-5任一项所述蒙脱石混悬剂,其特征在于,矫味剂的含量为0.02~0.1wt%。
7.一种如权利要求1-6任一项所述蒙脱石混悬剂的制备方法,其特征在于,包括以下步骤:
S1、用部分水溶解高分子助悬剂得到高分子助悬介质;
S2、将矫味剂溶解在高分子助悬介质中,再加入蒙脱石,真空匀质脱气,加入剩余的水混匀得到蒙脱石混悬剂中间体;
S3、对蒙脱石混悬剂中间体进行真空匀质处理,然后卸压,分装,灭菌得到蒙脱石混悬剂。
8.根据权利要求7所述蒙脱石混悬剂的制备方法,其特征在于,在S1中,溶解的温度为40~60℃;优选地,在S1中,水的用量为总水量的80-95%。
9.根据权利要求7或8所述蒙脱石混悬剂的制备方法,其特征在于,在S2中,真空匀质脱气的真空度为-0.090~-0.050MPa;优选地,在S2中,真空匀质脱气的时间为30~60min;优选地,在S2中,蒙脱石混悬剂中间体中蒙脱石的粒度D90≤20μm。
10.根据权利要求7-9任一项所述蒙脱石混悬剂的制备方法,其特征在于,在S3中,真空匀质处理的具体程序为:于真空度为-0.050~-0.030MPa、温度为90~98℃的条件下,匀质30~60min,然后匀质降温至35~45℃;优选地,在S3中,灭菌方式为辐照灭菌;优选地,辐照剂量为10~60kGy。
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