CN1882317A - 成膜淀粉组合物 - Google Patents
成膜淀粉组合物 Download PDFInfo
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- CN1882317A CN1882317A CNA2004800343519A CN200480034351A CN1882317A CN 1882317 A CN1882317 A CN 1882317A CN A2004800343519 A CNA2004800343519 A CN A2004800343519A CN 200480034351 A CN200480034351 A CN 200480034351A CN 1882317 A CN1882317 A CN 1882317A
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Abstract
本发明涉及一种用于固态物包薄膜衣或制备薄膜的成膜淀粉组合物,其特征在于,其直链淀粉含量在25和45%之间,优选在30和44%之间,更优选在35和40%之间,这里的百分比均为直链淀粉干重相对于所述组合物的淀粉干重的比例,其特征还在于,其包含至少一种稳定化淀粉。本发明还涉及为故态物包薄膜衣的方法,其特征在于将成膜组合物喷雾到活动铁心的流化床上。本发明还涉及所述成膜组合物在制备薄膜和胶囊剂中的应用。
Description
技术领域
本发明的主题是基于淀粉的成膜组合物,和给固体药物,食品或农艺形状包薄膜衣的方法,以及制备使用所述组合物的薄膜的方法。
本发明中,术语“固态”应理解为,任何食品,药品,化妆品,化学或农用化学品物质所呈现的形态,例如,片剂,胶囊剂,包括硬胶囊,丸剂,微球,颗粒剂,种子,结晶物或粉末等等。
背景技术
天然和改性淀粉通常用于药品工业,特别是在片剂的制备中或填充硬胶囊时用作稀释剂,崩解剂或粘合剂。天然淀粉极少被用来包薄膜衣,主要因为它们几乎不溶于冷水,因此需要预煮淀粉,以使它溶解。
给固态药物特别是片剂的包薄膜衣的操作非常频繁,其目的在于使活性成分得到物理学和化学保护,由于药物与环境(湿气,氧气,光照)隔离,所以得到了保护。此外,薄膜包衣可以去除活性成分的味道,气味或颜色,并且,通过给片剂包上抗胃液的薄膜衣,可以改变活性成分在体内的释放模式。薄膜包衣使片剂易于摄取,并改善它们的外观和机械坚固性。大部分固态药物可以包薄膜衣:胶囊,或片剂,胶囊剂,包括硬颗粒。
薄膜包衣中应用一种成膜液相成分,其可应用于片剂,在干燥后,该组合物形成一层保护膜。理想的成膜剂优选具有高分子量,低粘度和与良好的基质粘着性。它应该使包在目的物上的薄膜具有有伸缩性的和粘性。它优选为可溶于水的,由于水容易使用,因此同有机溶剂比较起来,水是优选的溶剂。
好的成膜组合物为市场上有售的纤维素或丙烯酸脂聚合物。特别是羟丙基甲基纤维素(HPMC),其通常被用来给片剂包薄膜衣。使用这类聚合物时可能遇到困难,例如与基质的粘着性问题,包衣破裂或裂开问题,或经常存在于片剂的填塞入雕刻线(商标,剂量)的现象。HPMC还具有令人不悦的味道和/或气味。另外,工业用合成聚合物的价格相当的高。
在纺织品或纸张工业里,淀粉被用作成膜剂已经很长时间了。淀粉的主要工业来源,按重要性逐步减小排序依次为:玉米,小麦,马铃薯,木薯和甘薯。淀粉组合物视来源不同,特别是在直链淀粉和支链淀粉的百分比方面具有变异。支链淀粉是淀粉的支链成分,其中α-D-葡萄糖单体通过α-D-(1-4)键聚合,并与α-D-(1-6)支链连接。
直链淀粉是淀粉的直链成分,其实际上仅包括α-D-(1-4)键。
某些种类的淀粉主要由支链淀粉组成,称为“蜡质淀粉”,其他由超过50%的直链淀粉,通常是70到75%的直链淀粉组成的淀粉,称为“富含直链淀粉的淀粉”。
富含直链淀粉的淀粉的成膜性能为公众所知已经很久了,在该应用中,富含直链淀粉的淀粉的性能优于蜡质淀粉。然而,这些淀粉需要在高温下(约80℃)处理,以防止它们降解。这在固态物包衣中尤其不利,因为普通的薄膜包衣设备不能在这样的温度下运行。而且,要注意的是,回路是冷的,也会促使组合物在回路里凝结。
特别是,富含支链淀粉的淀粉不能用于平板薄膜包衣法中,因为,当使用它们时,要包薄膜衣的中心会同时凝聚成团。最后的包衣产生不均匀和残缺的缺点是很难纠正的,需要复杂的配方。另外,蜡质淀粉在溶液里非常粘稠,这也是它们不宜用于薄膜包衣的原因。
专利WO02/00205公开了乙酰化和预胶凝化的富含直链淀粉的淀粉在片剂包衣或制备胶囊剂和锭剂(用厚的带色膜包衣的片剂,类似硬胶囊)中的应用。该淀粉包含超过50%的直链淀粉,优选来自玉米。
申请人公司的欧洲专利EP1245577公开了预胶凝化的富含直链淀粉的淀粉的制备,以及它们在薄膜包衣,软胶囊剂,硬胶囊或热炼薄膜中的应用。
专利WO02/092708公开了制备成膜组合物的方法,包括将萃取物加入直链淀粉含量超过50%的直链淀粉的含醇介质中。因此,成膜组合物包含纯的直链淀粉,另外还可以包含增塑剂。
欧洲专利EP945487公开了基于由淀粉羟丙基乙醚溶液制得的淀粉衍生物或直链淀粉衍生物的薄膜,起始原料的直链淀粉含量大于60%。特别是,该专利使用了包括大约75%的直链淀粉的皱粒豌豆。
欧洲专利EP1024795公开了直链淀粉混合物和乙基纤维素混合物,单独的直链淀粉吸水时不稳定。
虽然富含直链淀粉的淀粉的成膜性能很好,在实践中,它们的使用仍然相当局限,因为它们在冷却时会迅速降解。这可以通过实施成膜溶液的热喷雾来避免,但是由于在喷雾过程中淀粉的降解,会引起喷管的阻塞。通常,基于合成聚合物的成膜溶液在室温制备和喷雾。因此,若能提供一种成膜淀粉,其可以在尽可能靠近室温的操作温度使用,同时在这个条件下保持稳定,这将是非常有利并在工业上更加实用。另一个目的是,能够制造一种水不可渗透的薄膜或固态物的薄膜包衣,使形成不透水包衣和可以延迟溶解的包衣成为可能。同样地,配方设计师需要减少薄膜包衣时间,可能的最高固体含量,以及与喷油嘴相适应的粘性,在使用溶液具有高粘度的、富含直链淀粉的淀粉时,这些都是存在的问题。理想的是,提供一种包衣液,其固体含量大于20%,优选接近30%,在操作温度时的粘性小于500mPa·S。这将省去任何加热步骤和任何保持溶液炙热的步骤。
因此,现在还不存在一种来自淀粉的令人满意的溶液,可在制备令人满意的薄膜或薄膜包衣中用作单独的成膜剂,以替换相当昂贵的合成聚合物。
发明内容
为克服这个缺陷,申请人公司进行了大量的研究,想用没有上述淀粉缺点的淀粉原料全部或部分地替代合成聚合物。
申请人公司已经实现了该目的,制备出淀粉或直链淀粉含量特别选定在25和45%之间的淀粉混合物的成膜组合物。
因此,本发明的主题是用于固态物包薄膜衣或制备薄膜的成膜淀粉组合物,其特征在于,其直链淀粉含量在25和45%之间,优选在30和44%之间,更优选在35和38%之间,这里的百分比均为直链淀粉干重比存在于所述组合物的淀粉干重,其特征还在于,其包含至少一种稳定化淀粉。
在制备所述成膜组合物时,使用不同来源的淀粉混合物,以便将直链淀粉含量调节在25和45%之间。例如,可以混合富含支链淀粉的淀粉(蜡质淀粉)和富含直链淀粉的淀粉。
而且,可以使用天然具有本发明选定直链淀粉含量范围的淀粉。特别是,源于豆类的淀粉。根据本发明,该豆类淀粉具有小于45%的直链淀粉含量,更具体地说,其直链淀粉含量在25和45%之间,优选在30和44%之间,更优选在35和40%之间。本发明中,术语“豆类”是指,苏木科,含羞草科或蝶形花科,特别是任何属于蝶形花科的植物,例如,豌豆,菜豆,蚕豆,小扁豆,紫花苜蓿,苜蓿或羽扇豆。
特别是,该定义包括R.Hoover等人的题为“Composition,Structure,Functionality and Chemical Modification of Legume starches:A eview”的论文的任何表格所描述的植物。
优选地,该豆类选自豌豆,菜豆,和蚕豆。
有利地,该豆类为豌豆,术语“豌豆”在这里是最广义上的概念,特别包括:
-所有光滑豌豆的野生种,以及
-所有光滑豌豆和皱粒豌豆的变异种,不受其用途限制(人类食品,动物营养和/或其它用途)。
该变异种特别指C-L Hedley等人的文章“Developing novel peastarches”中描述的“变种r”,“变种rb”,“变种rug3”,“变种rug4”,“变种rug5”和“变种1am”,文章出处是Proceedings of the Symposiumof the Industrial Biochemistry and Biotechnology Group of the BiochemicalSociety,1996,pp 77-87。
根据另一个优选的实施例,豆类优选的是种子中淀粉含量的质量比至少25%,优选40%(干重/干重)的植物,比如各种豌豆或者蚕豆。
术语“豆类淀粉”是指用任意方法从豆类,特别是从蝶形花科的植物中提取的组合物,它的淀粉含量超过40%,优选超过50%,更优选超过75%,这里的百分比是淀粉干重比组合物的干重。
有利地,淀粉含量超过90%(干重/干重),优选超过95%,更优选超过95%。
根据另一个优选的实施例,所述组合物的蛋白质含量低于25%,优选低于10%,这里的百分比是蛋白质干重比所述组合物干重。更优选地,蛋白质含量低于5%,特别是低于1%。
本发明成膜组合物的淀粉含量在10和90%之间,优选10和50%之间,更优选10和30%之间。
特别地,所述组合物中的淀粉经过至少一种改性处理,可以是化学处理,物理处理和酶处理。
特别地,化学处理包括酯化,醚化,交联或通过酸或氧化路径水解的所有已知的操作。
根据本发明的一个优选实施例,尤其适合于制备成膜组合物的化学处理是“稳定化”处理,其为羟丙烯化或乙酰化;可选地,这些处理通过液化作用(例如酸处理)来补充。在这种情况下,得到的成膜组合物具有完全类似于那些参考的合成聚合物(羟丙基甲基纤维素)的特性。因此,有利地,本发明组合物包含至少一种稳定化淀粉,优选为羟丙基酰化淀粉,其具有的取代度(DS)最多等于0.2。本发明中,术语“取代度”应被理解为每10个葡萄糖单元中羟丙基的平均数。该平均数通过所属技术领域的技术人员所熟知的标准分析方法来测定。
特别地,物理处理包含预煮,蒸煮,压制,喷雾,干燥,塑化或颗粒化的所有已知的操作,或用微波或超声波进行处理的操作。
另外,本发明的成膜组合物可以包含一种或多种辅助的成膜剂,选自纤维素衍生物,例如烷基醚或烷基酯,例如纤维素甲醚,羧甲基纤维素(CMC),羟丙基纤维素(HPC),羟丙基甲基纤维素,醋酞纤维素,乙基纤维素或醋酸纤维素,或聚乙烯吡咯烷酮(PVP),聚(乙烯邻苯二甲酸酯),葡萄糖,玉米朊,茁霉多糖,丙烯酸聚合物,藻酸脂,角叉菜酯,聚乙烯醇(PVA),明胶,糊精及其混合物。该辅助的成膜剂具有增强的被覆作用,可以防止成形的包衣破裂,并且防止它在后续操作中的有害变化。
有利地,可以使用低粘度(室温时,按重量计2%溶液,粘度在3和15厘泊之间)的羟丙基甲基纤维素。根据一个优选实施例,使用羟乙基纤维素,羟丙基甲基纤维素和本发明淀粉的混合物,有利地,羟乙基纤维素和羟丙基甲基纤维素的重量比在1∶4和1∶1之间,优选在1∶3和1∶2之间。
本发明辅助的成膜剂在成膜组合物中的含量,按干物质计算,为0到55%(重量),优选为3.5到50%,更优选在5到20%。
有利地,本发明成膜组合物可以包含一种或多种疏水的或疏水的增塑剂。特别地,该增塑剂选自甘油,山梨糖醇和山梨糖醇酐,麦芽糖醇和麦芽糖醇糖浆,分子量在400和10000道尔顿之间的聚乙二醇和聚乙烯乙二醇硬脂酸酯,丙二醇,柠檬酸三乙酯,乙酰柠檬酸三乙酯,三丁基柠檬酸,聚山梨酸酯乙酰单酸甘油乙酯,乳酸酯,脂肪酸及其盐或乙氧基化衍生物,例如,硬脂酸,邻苯二甲酸酯,癸二酸二乙酯,癸二酸丁酯,中性液体酯(miglyol),甘油三醋酸,液体石蜡,卵磷脂,巴西棕榈蜡或氢化蓖麻油,单独或混合使用。优选的增塑剂是乙氧基化硬脂酸或三乙酸甘油酯。
增塑剂含量在2.5和30%之间是非常合适的,这里的百分比是增塑剂含量比成膜组合物中的淀粉含量。根据一个优选实施例,本发明的成膜组合物的增塑剂含量在5和15%之间,优选在7.5和10%之间,这里的百分比为增塑剂干重比成膜组合物干重。
此外,成膜组合物还可以包含所属技术领域的技术人员所通常使用的任何适当的添加剂,例如调味剂,增甜剂,着色剂或色素,遮光剂,例如硅酸镁,滑润剂,例如硬脂酸镁,矿物油,卵磷脂或巴西棕榈蜡,抗水剂,例如脂肪酸及其衍生物,或硅聚合物,润湿剂,例如表面活性剂,例如聚山梨酸酯80,改善薄膜粘附力的试剂,例如微晶纤维素,多羟基化合物,麦芽糊精,聚糊精或乳糖,防腐剂,例如柠檬酸钠,控释剂,例如聚乙二醇3350,卵磷脂,硬脂酸,硅酸镁或微晶纤维素,水溶剂,例如甲醇,乙醇,丁醇,亚甲基氯化物或丙酮,和活性物质,例如药物活性物质。
着色剂可以选自现今用于固体药物或食品包衣的成膜产物所使用的色素。可以使用任何可溶的或色淀、食品或药品等级形式的颜料或染料,特别是二氧化钛,硅酸镁,碳酸镁,氧化铁或维生素B2。着色剂含量根据所需的颜料种类而改变,对白色包衣来说,优选使用20到50%(重量)的二氧化钛,对彩色包衣来说,使用0.1到40%,优选15到25%(重量)的着色剂。
成膜组合物中润滑剂的比例为0到10%(重量)。通常防腐剂的比例为0到4%(重量)。表面活性剂的比例为0到15%(重量)。
另外,成膜组合物可以含水,通常,含水量在10和90%之间(重量),优选地,所述组合物含60到85%的水(重量),更优选含70到80%的水。
本发明的成膜组合物也可以以备用的粉末形式提供。它可以由物理状态混合粉末组成,也可以由通过为所属技术领域的技术人员所熟知的技术得到的颗粒形成组成,例如湿颗粒化,流化床颗粒化,通过喷雾,挤压,球化,压片,喷雾-冷却等等颗粒化。
由此得到的成膜组合物按重量计包括:
-10到15%(重量)稳定化的豌豆淀粉
-1到2%(重量)的增塑剂
-可选地,约5到7%的遮光剂。
优选地,成膜组合物按重量计包括:
-10到15%(重量)羟丙基化的豌豆淀粉
-1到2%的甘油
-5到7%的硅酸镁
-其余为水及其他添加剂,例如着色剂和/或调味剂。
当本发明提供备用的粉末形式时,有利地,该粉末状组合物包含:
-15到75%,优选25到50%(重量)的稳定化的豌豆淀粉,优选为羟丙基化豌豆淀粉,更优选为羟丙基化和液化处理的豌豆淀粉。
-1到20%,优选5到12%(重量)的辅助的成膜剂,
-5到15%(重量)的增塑剂,
-可选地,1到20%的增粘剂,例如,乳糖或微晶纤维素。
根据本发明的一个优选实施例,辅助的成膜剂是纤维素衍生物,增塑剂是聚乙二醇或聚乙二醇硬脂酸酯。
该组合物其他的应用将在下面的实施例中描述。
优选地,本发明的成膜组合物用于固体物的薄膜包衣,例如:片剂,胶囊剂,包括硬胶囊,丸剂,固体形状的颗粒或种子,例如饼干,早餐谷类食品糖果,用于软胶囊或硬胶囊的制备,也用于任何食品,药品,农产品,工业品和其他应用中使用的薄膜的制备。此外,本发明组合物还适于维生素或活性成分的包衣,特别是以粉末或晶体形式。它可以保护活性成分不受环境(湿气,氧化)影响,或可以掩蔽味道(特别是存在苦味活性成分或活性成分具有令人不悦的味道时),它还可以延长活性成分的释放(特别是与疏水增塑剂结合使用时)。成膜组合物在种子上包衣,从而保护种子不受环境腐蚀,特别是不受霉菌或细菌腐蚀。
本发明组合物尤其适于制备包含活性成分的薄膜,或芳香族薄膜(又名调味试片)。这些薄膜非常薄,当置于舌头上时,在调味剂(例如薄荷)扩散的同时,薄膜就融化了。本发明组合物还适合应用于不需要薄膜衣即时融化的药物中,例如,当活性成分延迟释放时或黏液粘合时。
因此,在25℃时的粘度小于或等于500mPa·S,固体含量为10%的本发明成膜组合物,解决了现有技术的淀粉组合物的稳定性和加工性能问题。
富含直链淀粉或支链淀粉的淀粉组合物均在25℃时具有上述粘度和10%的固体含量,因此,它们适于在标准的薄膜包衣设备中使用。因此,本发明涉及一种适于固态物薄膜包衣或制备薄膜的成膜淀粉组合物,其特征在于,其在25℃时的粘度小于500mPa·S,并且它的固体含量为10%。
本发明中的粘度指布氏粘度,其通过例如布氏RVF100粘度计测定,其使用设备的测量轴,该设备在转速为100转/分时,转盘刻度的读数在20和80%之间。
根据优选实施例,所述淀粉组合物的直链淀粉含量干重占总淀粉干重的25和45%之间,优选在30和44%之间,更优选在35和40%之间,最优选在35和38%之间。
本发明还涉及固态物薄膜包衣的方法,其特征在于,该方法包括将本发明的成膜组合物喷雾到活动铁心的流化床上。因为本发明组合物使得室温(20℃)时的喷雾成为可能,这完全是一种新颖的方式,是现有技术的组合物所不可能做到的。
本发明还涉及对固态物包衣的方法,其特征在于,该方法包括将故态物浸没在本发明的成膜组合物中,来制备锭剂。
任何为所属领域的技术人员所知的技术,例如流化床,喷雾,球化或包衣盘,均可用于故态物的薄膜包衣。作为示例,可以进行下列各项:所使用的成膜组合物的固体含量为10到30%,优选15到20%。可选地,该组合物在90℃时预煮,并预热到所需的喷雾温度,通常为50-55℃左右。片剂流化床预热到约55℃后,将成膜组合物喷雾到活动铁心的流化床,同时将温度保持在55℃左右。
用机械将片剂浸没,或手工浸没在含本发明成膜组合物的浴池中,来制备锭剂。
可以使用常规设备来制备硬胶囊,包括将金属机械手于恒温下浸没在成膜组合物中。使用辊筒或挤压等已知技术制备软胶囊。
薄膜,特别是调味试片可以这样制备:将成膜组合物在平面或柱形表面上涂敷成薄的、恒定厚度,然后在室温或在高温条件下干燥。用于包衣的溶液的固体含量根据所需的干燥时间选择。作为示例,通常选择固体含量在50和90%之间。
由此得到质量很好的薄膜,按重量计包括:
-10到15%(重量)的经预胶凝化和/或液化-处理的羟丙基化豌豆淀粉,
-1到3%的甘油。
具体实施方式
下面将通过以下说明性而非限制性的实施例进一步阐述本发明。
实施例1:片剂的薄膜包衣
评估下列具有不同薄膜包衣成分的组合物:
表1
组合物 | 功能 | 品牌 | 货号 |
淀粉(cf.表2) | 成膜剂 | Roquette | |
甘油 | 增塑剂 | J.T.Baker | 7044 |
极细粉末的硅酸镁 | 遮光剂 | Merck | Art.8070 |
二氧化钛 | 遮光剂 | Prolabo | |
Eurocert靛蓝胭脂红 | 着色剂 | Warner Jenkinson | 0036904 |
去离子水 | 溶剂 |
测定的各种类型的淀粉:
表2
淀粉的性质 | 类型 |
木薯,20%直链淀粉 | 羟丙基化(取代度DS=0.2) |
豌豆,35-39%直链淀粉 | 羟丙基化(DS=0.2) |
酸液化-处理乙酰化(DS=0.021) | |
羟丙基化(DS=0.2)酸液化-处理 | |
蜡质种玉米,21%直链淀粉 | 预胶凝化 |
富含直链淀粉的玉米(70%) | 预胶凝化羟丙基化 |
蜡质淀粉和富含直链淀粉的淀粉的混合物,混合物的直链淀粉含量为42% | 羟丙基化(DS=0.10)富含直链淀粉的淀粉和天然蜡制淀粉 |
要包薄膜衣的片剂是直径为10mm,平均重量为330mg的凹面片剂,由99%Pearlitol200SD甘露糖醇和1%硬脂酸镁组成。
使用以下设备:Jacketed不锈钢筒,IKA RW25W叶片式搅拌机,UltraTurrax T25匀化机,蠕动泵,Glatt WSG 3V流化床型包衣设备。
包衣溶液的固体含量为20%,包含12.5%的淀粉,1.25%的增塑剂,6.25%的遮光剂(硅酸镁和二氧化钛),80%水和微量着色剂。
混合液相,将淀粉加入混合物中,然后加热到90℃。加入硅酸镁,于90℃下搅拌溶液30分钟,然后冷却到所选的喷雾温度。
为给片剂包衣,片剂流化床和设备预热到55℃。当实际喷雾300g成膜溶液后,停止喷雾。
比较不同的配方,并给配方分等级,性能最好的定为+++,性能最差的定为0。
测得的粘度为布氏粘度,将固体含量为10%的溶液,在25℃时通过布氏RVF100粘度计测定,其使用设备的测量轴,该设备在转速为100转/分时,转盘刻度的读数在20和80%之间。
包衣过程中,蜡质淀粉很快互粘起来,形成团状。因此包衣不能进行下去,因此没有鉴定薄膜衣和它的外观。
富含直链淀粉的淀粉溶液的凝胶化排除在外。
也不选择羟丙基化木薯淀粉的过高粘度的溶液,因为它不能用于喷雾。
羟丙基化的豌豆淀粉溶液不会降解,甚至是在室温放置超过24小时。
组合结果入下表所示:
淀粉 | 类型 | 25℃和10%固体含量时的粘度 | 薄膜强度 | 外观平整度 | 非粘感 | 包衣过程中没有凝结现象 | 衣膜外观 |
豌豆淀粉(35/39%直链淀粉) | 羟丙基化(DS=0.2) | ++(270) | +++ | ++ | +++ | +++ | +++ |
羟丙基化(DS=0.2)液化处理 | +++(126) | +++ | +++ | +++ | +++ | +++ | |
液化处理乙酰化(DS=0.021) | +++(24) | + | +++ | +++ | ++ | + | |
富含直链淀粉的玉米(70%) | 预胶凝羟丙基化(DS=0.21) | 0(>500) | +++ | ++ | +++ | + | +++ |
木薯,20%直链淀粉 | 羟丙基化(DS=0.2) | 0(>500) | - | - | - | +++ | - |
蜡质玉米,21%直链淀粉 | 预胶凝 | (421) | Nd | - | - | 0 | Nd |
含42%直链淀粉的淀粉混合物 | 天然富含直链淀粉的蜡质玉米 | ++(246) | ++ | +++ | +++ | ++ | +++ |
羟丙基化(DS=0.10) |
淀粉或淀粉混合物的直链淀粉含量在25和45%之间,至少一种稳定化淀粉同蜡质淀粉或富含直链淀粉的淀粉(超过45%)比较起来,有着更优越的用于成膜剂的性能。取代度最多等于0.2的羟丙基化豌豆淀粉(其可选择液化处理)显示了最好的结果。该溶液可以在低温条件下给片剂喷雾,这是尤其有利的,因为和高温条件相比,这可以赋予片剂更好的外观。
实施例2:薄膜的制备
使用下列设备:装有用于加热的机油内循环的Jacketed不锈钢筒,IKARW 25W叶片式搅拌机,Guedu型4.5NO真空搅拌机,自动薄膜敷涂器。
成膜溶液具有以下配方:
量(克) | 配方1 | 配方2 |
豌豆淀粉,37%直链淀粉,羟丙基化(DS=0.2),预胶凝 | 67.5 | |
豌豆淀粉,37%直链淀粉,羟丙基化(DS=0.2),液化处理 | 67.5 | |
甘油 | 9.0 | |
薄荷调味剂 | 7.5 | |
薄荷醇 | 7.5 | |
大豆磷脂 | 0.5 | 0.75 |
糖精钠 | 2.5 | |
着色剂(1%溶液) | 1.5 | |
水 | 404 | 403.75 |
水,甘油,着色剂和糖精钠在不锈钢筒中搅拌5分钟。然后加入淀粉,分散5分钟。加热混合物到70℃并将该温度保持10分钟,然后转移到预热到40℃的Guedu中,用泵抽真空5分钟。然后将薄荷醇溶解在调味剂和大豆磷脂里,再加入到Guedu中,混合成分在真空下搅拌10分钟。将得到的组合物以0.4mm的厚度,用自动薄膜敷涂器涂布在有机玻璃盘子上。得到的薄膜衣在室温下干燥,然后裁剪成所需的尺寸,形成调味试片(膜)。
以该两种配方制得的调味试片具有适于包装和装卸作业的强度和硬度。在口中迅速溶解,高含量的芳香族效果具有清新口气的功能。
用现有技术的组合物,例如基于天然或改性的富含直链淀粉的(70%)的玉米淀粉,也可以得到具有相似质地的调味试片,但是为防止淀粉降解,以及为涂敷成膜溶液而采用的高的处理温度,导致调味剂大量蒸发:调味试片不再具有芳香效果,不再具有所需的“清新”功能。
使用基于高支链淀粉含量的淀粉(蜡质淀粉,支链淀粉超过75%,直链淀粉小于25%)的现有技术组合物,薄膜衣不具有所需的粘性:它们会在干燥时破裂。
仅仅是直链淀粉含量在25%和45%之间的成膜组合物才能得到具有所需的质地和所需的芳香族效果的调味试片。
实施例3:含维生素的片剂的薄膜包衣
根据本发明,制备了下列用于含维生素的片剂的不同组合物:
组合物1
经液化处理羟丙基化
豌豆淀粉:10.25%
藻朊酸盐:0.6%
卵磷脂:0.38%
三乙酸甘油酯:0.31%
PEG8000:0.94%
色淀:1.87%
二氧化钛:0.6%
水:85%
组合物2
本发明的豌豆淀粉与纤维素衍生物混合,以改善片剂所用配方的粘附力。
经液化处理羟丙基化的豌豆淀粉:5.15%
羟丙基甲基纤维素:5.15%
藻朊酸盐:0.6%
卵磷脂:0.38%
三乙酸甘油酯:0.31%
PEG8000:0.94%
色淀:1.87%
二氧化钛:0.6%
水:85%
组合物3
经液化处理羟丙基化的豌豆淀粉:4.8%
羟丙基甲基纤维素:5.25%
羟乙基纤维素:1.5%
二氧化钛:2.5%
乙氧基化硬脂酸:1.2%
二氧化钛:2.25%
水:85%
这三种组合物喷雾在维生素C片剂上。得到具有优良粘附力的有光泽的衣膜,使包衣雕刻片剂成为可能(仅少量填塞入商标雕刻线,或没有填塞)。
Claims (18)
1.用于固态物包薄膜衣或制备薄膜的成膜淀粉组合物,其特征在于,其直链淀粉含量在25和45%之间,优选在30和44%之间,更优选在35和40%之间,这里的百分比均为直链淀粉干重与所述组合物的淀粉干重之比,该组合物还包含至少一种稳定化淀粉。
2.如权利要求1所述的组合物,其特征在于,该组合物包含至少一种豆类淀粉,其直链淀粉含量小于45%。
3.如权利要求1或2所述的组合物,其特征在于,所述豆类淀粉是稳定化的。
4.如权利要求1到3中任一所述的组合物,其特征在于,所述豆类淀粉是羟丙基化的,以及可选地,经液化处理。
5.如权利要求1到4中任一所述的组合物,其特征在于,该组合物还包含增塑剂。
6.如权利要求5所述的组合物,其特征在于,所述增塑剂选自山梨糖醇,甘油,聚乙烯乙二醇,柠檬酸三乙酯,聚山梨酸酯,巴西棕榈蜡和氢化蓖麻子油,单独或混合使用。
7.如权利要求1到6中任一所述的组合物,其特征在于,其还包括辅助的成膜剂,选自纤维素衍生物,藻酸脂,角叉菜酯,聚乙烯吡咯烷酮(PVP),聚(乙烯邻苯二甲酸酯),葡萄糖,玉米朊,茁霉多糖,丙烯酸聚合物,聚乙烯醇,明胶,糊精及其混合物。
8.如权利要求1到7中任一所述的组合物,其特征在于,该组合物按重量计包含10到15%的稳定化的豌豆淀粉和1到2%的增塑剂。
9.如权利要求1到7中任一所述的组合物,其特征在于,该组合物是粉末状的,其按重量计包含:
-15到75%的稳定化的豌豆淀粉,优选为羟丙基化的豌豆淀粉,更优选为羟丙基化和液化处理的豌豆淀粉,
-1到20%辅助的成膜剂。
10.如权利要求9所述的组合物,其特征在于,该组合物还包含1到20%的微晶纤维素。
11.如权利要求9或10所述的组合物,其特征在于,该组合还包含占所述组合物干重的5到15%的增塑剂。
12.如权利要求9到11中任一所述的组合物,其特征在于,该辅助的成膜剂是纤维素衍生物。
13.如权利要求1到12中任一所述的组合物,其特征在于,该组合物在25℃时和固体含量为10%时的粘度小于500mPa·S。
14.如权利要求1到13中任一所述的组合物,其特征在于,该组合物包含至少一种药物活性物质。
15.为固态物包薄膜衣的方法,其特征在于,该方法包括将权利要求1到14任一所述的成膜组合物喷雾到活动铁心的流化床上。
16.包衣固态物的方法,其特征在于,该方法包括将固态物浸没在权利要求1到14任一所述的成膜组合物中。
17.制备薄膜的方法,其特征在于,该方法将权利要求1到14任一所述的成膜组合物涂敷到平面或柱面上,然后在室温或高温条件下干燥。
18.权利要求1到14任一所述的成膜组合物在制备薄膜或胶囊剂,包括硬胶囊中的应用。
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FR0313604 | 2003-11-20 | ||
FR0313604A FR2862654B1 (fr) | 2003-11-20 | 2003-11-20 | Composition amylacee filmogene |
PCT/FR2004/002158 WO2005060944A1 (fr) | 2003-11-20 | 2004-08-18 | Composition amylacee filmogene |
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- 2004-08-18 JP JP2006540497A patent/JP4890260B2/ja not_active Expired - Lifetime
- 2004-08-18 ES ES04786324T patent/ES2390584T3/es not_active Expired - Lifetime
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- 2004-08-18 KR KR1020067009828A patent/KR101145013B1/ko active IP Right Grant
- 2004-08-18 CN CN2004800343519A patent/CN1882317B/zh not_active Expired - Lifetime
- 2004-08-18 MX MXPA06005703A patent/MXPA06005703A/es active IP Right Grant
- 2004-08-18 AU AU2004305266A patent/AU2004305266B2/en not_active Expired
- 2004-08-18 DK DK04786324.6T patent/DK1684731T3/da active
- 2004-08-18 US US10/579,919 patent/US8652513B2/en active Active
- 2004-08-18 EP EP04786324A patent/EP1684731B1/fr not_active Expired - Lifetime
- 2004-08-18 CA CA2545961A patent/CA2545961C/fr not_active Expired - Lifetime
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Cited By (12)
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CN101245157B (zh) * | 2007-02-17 | 2011-06-15 | 长春大成特用玉米变性淀粉开发有限公司 | 成膜剂组合物和含有该组合物的淀粉质植物胶 |
CN105051129A (zh) * | 2013-03-29 | 2015-11-11 | 罗盖特公司 | 用于固体形式的包膜的成膜组合物 |
CN105051129B (zh) * | 2013-03-29 | 2018-04-27 | 罗盖特公司 | 用于固体形式的包膜的成膜组合物 |
US11033504B2 (en) | 2013-03-29 | 2021-06-15 | Roquette Freres | Film-forming compositions for the film-coating of solid forms |
CN106459497A (zh) * | 2014-04-16 | 2017-02-22 | 普朗蒂克科技有限公司 | 淀粉组合物及其用途 |
CN104324381A (zh) * | 2014-09-29 | 2015-02-04 | 湖南尔康制药股份有限公司 | 一种具保湿能力的淀粉胶囊及其制备方法 |
CN104324381B (zh) * | 2014-09-29 | 2017-01-18 | 湖南尔康制药股份有限公司 | 一种具保湿能力的淀粉胶囊及其制备方法 |
CN105145807A (zh) * | 2015-08-04 | 2015-12-16 | 安徽润生农业开发有限公司 | 一种猕猴桃表面涂膜冷藏处理方法 |
CN105123901A (zh) * | 2015-10-19 | 2015-12-09 | 长沙理工大学 | 一种鲜切水芹冷藏保鲜方法 |
CN105123901B (zh) * | 2015-10-19 | 2018-11-02 | 长沙理工大学 | 一种鲜切水芹冷藏保鲜方法 |
CN106366774A (zh) * | 2016-08-26 | 2017-02-01 | 北京英茂药业有限公司 | 涂层组合物及其制作方法、用途及玻璃清洁泡腾片 |
CN113347957A (zh) * | 2018-12-17 | 2021-09-03 | 罗盖特公司 | 用于美容用途的基于豆科淀粉的成膜组合物 |
Also Published As
Publication number | Publication date |
---|---|
AU2004305266B2 (en) | 2010-09-16 |
EP1684731A1 (fr) | 2006-08-02 |
JP4890260B2 (ja) | 2012-03-07 |
US20070110799A1 (en) | 2007-05-17 |
KR20060132586A (ko) | 2006-12-21 |
DK1684731T3 (da) | 2012-10-15 |
CN1882317B (zh) | 2011-06-22 |
CA2545961C (fr) | 2013-05-21 |
MXPA06005703A (es) | 2006-08-17 |
BRPI0416837B1 (pt) | 2016-12-27 |
WO2005060944A1 (fr) | 2005-07-07 |
CA2545961A1 (fr) | 2005-07-07 |
JP2007511584A (ja) | 2007-05-10 |
US8652513B2 (en) | 2014-02-18 |
BRPI0416837A (pt) | 2007-02-13 |
ES2390584T3 (es) | 2012-11-14 |
EP1684731B1 (fr) | 2012-07-04 |
KR101145013B1 (ko) | 2012-05-11 |
FR2862654B1 (fr) | 2006-02-10 |
FR2862654A1 (fr) | 2005-05-27 |
BRPI0416837B8 (pt) | 2021-05-25 |
AU2004305266A1 (en) | 2005-07-07 |
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