CN112220859A - 一种复方中药制剂制备工艺 - Google Patents
一种复方中药制剂制备工艺 Download PDFInfo
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- CN112220859A CN112220859A CN201910571173.1A CN201910571173A CN112220859A CN 112220859 A CN112220859 A CN 112220859A CN 201910571173 A CN201910571173 A CN 201910571173A CN 112220859 A CN112220859 A CN 112220859A
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Abstract
本发明为解决现有复方中药制剂在高温下稳定性不足的问题,提供一种复方中药制剂制备工艺。通过本发明的提取分离工艺与制粒包衣技术的有效结合,提高现有复方中药制剂的稳定性,并增强该药品治疗前列腺炎症的作用。
Description
技术领域
本发明属于中药制药技术领域,涉及一种复方中药制剂的制备工艺。
背景技术
复方中药制剂是根据云南彝族民间传统验方研制而成的中成药,由熊胆粉、白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡、地黄、紫丹参、黄芪、茯苓、人工牛黄和栀子,共十二味药物组成;具有清热利湿,化瘀通淋功效,用于湿热瘀阻所致的淋证,证见尿急、尿频、尿痛、前列腺炎、前列腺增生症见上述证候者。
复方中药制剂质量标准收载于卫生部部颁药品标准,其记载的制备工艺如下:将除熊胆粉、人工牛黄外,其余龙胆等十味,加水煎煮二次,每次1.5h,合并煎液,滤过,滤液减压浓缩至相对密度为1.30(80℃)的稠膏,放冷,加乙醇至含醇量为70%,充分搅拌,静置24h,滤过,滤液回收乙醇,浓缩至相对密度为1.30(80℃)的稠膏,加入淀粉、滑石粉、硬脂酸镁,80℃以下干燥,粉碎,加入熊胆粉、人工牛黄,混匀,装入胶囊,即得。
复方中药制剂以提取物浸膏粉填充胶囊,由于提取物采用水提醇沉法制备,浸膏粉含有大量的亲水性成份,尤其是多糖类和皂苷类成分使得浸膏粉吸湿性较强。吸湿能改变制剂的表面性质、粉末的流动性,使中药固体制剂在成型和储存过程中出现许多问题,如胶囊填充困难、装量差异难控制、存储吸潮制剂霉变等,严重影响制剂的质量和疗效。我们发现通过提取工艺优化及添加防潮辅料(淀粉、滑石粉)能改善复方中药制剂提取物浸膏粉的吸湿性,但胶囊中仍有结块现象发生。为了解决复方中药制剂结块的问题,我们开展了一些前期研究工作,结果表明现有工艺的复方中药制剂内容物结块并非吸潮引起(水分并未增加),而与温度有关(加速50℃结块现象明显)。
同时,高温下复方中药制剂的一些药效成分性质不稳定。《龙胆苦苷药学研究进展及其临床配伍应用》(王焱等,西北药学杂志,2012,27(5):502-505)表明,龙胆苦苷遇热容易被破坏。高温不仅会使复方中药制剂内容物结块,还会破坏其有效成分龙胆苦苷等。因此现有复方中药制剂的稳定性存在不足,即使生产过程中控制良好,上市后储存温度偏高还是会出现产品结块、有效成分降低的情况。
目前对于挥发性成分,制剂中多采用环糊精包合以减少其挥发,增加稳定性。《丹皮酚羟丙基甲基纤维素包衣颗粒的稳定性研究》(张振海等,中成药,2012,34(9):1804-1806)文中显示,丹皮酚采用环糊精包合时药物损失较多,丹皮酚收率一般低于90%。同时由于环糊精自身分子量较大,丹皮酚环糊精包合物中丹皮酚的质量分数一般不超过15%,会大幅度增加给药剂量。因此文中采用干法制粒和颗粒包衣技术相结合制备丹皮酚颗粒,实验结果表明,颗粒中羟丙基甲基纤维素(HPMC)用量低于50%时,颗粒中细粉较多,不利于后面的颗粒包衣。在挥发性成分中加入大量的HPMC,既起包埋效果又起到粘合剂作用利于制粒。
然而复方中药制剂内含物本身给药量较大(每粒内含物平均0.46g),且成分复杂;若采用包埋工艺,既大幅度增加给药剂量,又可能影响本品的溶出吸收利用。因此如何改进现有的复方中药制剂制备工艺,解决药品稳定性问题、保障产品质量是本领域技术人员急需解决的技术难题。
发明内容
本发明的目的在于提供一种复方中药制剂制备工艺,能有效提高现有复方中药制剂的稳定性。
本发明提供的技术方案具体如下:
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用40-50%乙醇在50-60℃下提取0.5-1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1-3h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.15-1.20的清膏,冷却至室温,加乙醇至含醇量为75-80%,搅拌均匀,静置18-36h,过滤,滤液回收乙醇,浓缩干燥得含水量为3-5%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制在4-6%,用GL2-25干法制粒机干法制粒,颗粒粒径控制在10-30目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度为40-50℃,滚筒转速为6-8rpm,包衣液流量为16-20mL/min,包衣增重至颗粒质量的3-6%,加入1%硬脂酸镁,混匀装入胶囊壳。
优选的,步骤(1)将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用45%乙醇在55℃下提取1h,过滤后得滤液和药渣。
优选的,步骤(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1.5h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.18的清膏,加乙醇至含醇量为78%,搅拌均匀,静置24h,过滤,滤液回收乙醇,浓缩干燥得含水量为4%的复方中药提取物。
优选的,步骤(3)中室温条件下物料水分控制在5%。
优选的,步骤(3)中干法制粒送料速度15-20g/min,压轮转速10-15rpm、造粒转速15-20rpm,颗粒粒径控制为20目。
优选的,步骤(4)中HPMC-E5包衣增重至颗粒质量的4%。
相比现有技术,本发明取得如下有益效果:
1、本发明人发现原生产工艺中复方中药制剂提取物采用水煎煮,70%醇沉,含有大量亲水性成分(如槲皮苷等)易引起结块,含有热不稳定性的成分(如龙胆苦苷等),产品在高温下稳定性降低;同时这些成分如龙胆总苷、槲皮苷等皂苷类多具有抗炎活性,为复方中药制剂中发挥清热利湿,化瘀通淋的有效成分,因此不能通过去除上述成分来解决本品的稳定性问题。
针对热不稳定,现有的制剂技术主要为环糊精等辅料包埋,然而复方中药制剂内含物本身给药量较大(每粒内含物平均为0.46g),采用普通包埋技术会大大提高服用量,还会影响产品的溶出吸收利用。本发明人发现在步骤(1)“滤液合并浓缩至相对密度为1.15-1.20的清膏,冷却至室温,加乙醇至含醇量为75-80%,搅拌均匀,静置18-36h,过滤,滤液回收乙醇,浓缩干燥得含水量为3-5%的复方中药提取物”的条件下,药材提取物对龙胆苦苷等热不稳定具有最佳包埋效果。在不增加辅料的情况下利用提取物自身的包埋效果,并结合本发明的制粒包衣工艺,能有效保护复方中药制剂中龙胆苦苷等热不稳定有效成分的含量,改善现有产品在高温下的稳定性;实现高温高湿条件下六个月未出现结块现象,且龙胆苦苷含量仍在5mg/粒以上。同时在本发明提取分离工艺控制条件下,能有效提高复方中药制剂中抗前列腺炎有效成分含量,动物试验表明本发明工艺用药大鼠的前列腺指数、PGE2和IL-10含量较原工艺组更低,具有显著性差异,其具有增强该药品治疗前列腺炎症的作用。
表1原工艺与本发明工艺稳定性及有效性比较
注:与原工艺组相比,△表示P<0.05。
2、本发明人发现复方中药制剂原有工艺中,由于提取物占比较大,粉末填充时对生产环境的温度和湿度要求较高,虽然加入滑石粉等润滑剂,但仍易出现粘冲和结块现象出现;本发明通过控制复方中药制剂提取物含水量4-6%,HPMC-E5包衣后直接干法制粒达到最佳制粒效果,减少制粒中粘合剂等辅料的使用,减少生产工序且不影响产品的崩解溶出;并通过颗粒大小、包衣成分及用量的控制,减少胶囊填充时粘冲结块现象。
附图说明
图1为实施例2-9所制备胶囊包衣颗粒性状,其中图1-1为实施例2工艺一包衣颗粒,颗粒大小均匀,得率93.67%;图1-2为实施例3工艺二包衣颗粒,颗粒大小较均匀,得率89.12%;图1-3为实施例4工艺三包衣颗粒,颗粒大小较均匀,得率85.64%;图1-4为实施例5工艺四包衣颗粒,颗粒大小不一,产生少量细粉,得率55.18%;图1-5为实施例6工艺五包衣颗粒,颗粒总体偏小,产生大量细粉,得率48.96%;图1-6为实施例7工艺六包衣颗粒,颗粒大小较均匀,得率86.75%;图1-7为实施例8工艺七包衣颗粒,颗粒大小较均匀,得率80.59%;图1-8为实施例9工艺八粉末。可见工艺一颗粒得率最高,工艺四和工艺五颗粒得率低。
图2为实施例10加速条件下(60℃±2℃、75%±5%)0-180天胶囊变化情况,A为0天,B为15天,C为30天,D为60天,E为120天,F为180天。其中图2-1为原工艺组变化情况,15天粉末结块严重;图2-2为工艺一组变化情况,180天内颗粒未结块,无粘结现象;图2-3为工艺二组变化情况,30天粘胶囊壳,60天有结块迹象,120天颗粒结块;图2-4为工艺三组变化情况,60天有结块迹象,120天颗粒结块;图2-5为工艺六组变化情况,180天内颗粒未结块,无粘结现象;图2-6为工艺七组变化情况,180天内颗粒未结块,无粘结现象;图2-7为工艺八组变化情况,15天粉末有结块迹象,30天粉末结块严重。可见工艺一、工艺六和工艺七在加速条件下有较高的稳定性。
具体实施方式
下面结合具体实施例对本发明进一步的说明,但并不局限于此。
实施例1:复方中药制剂结块研究
根据现有的一些药物防潮措施开展研究:按卫生部部颁标准质量标准WS-10375(ZD-0375)-2002-2012Z记载的复方中药制剂的制备工艺制备复方中药制剂内容物,采用包括“明胶胶囊换植物胶囊,复合膜袋包装”、“加干燥剂,复合膜袋包装”、“明胶胶囊换植物胶囊、铝塑换双铝”、“内容物干法制粒10目”、“内容物干法制粒20目、铝塑换双铝”、“内容物干法制粒15目、295K620008型包衣粉80%乙醇包衣”、“内容物干法制粒25目、295K620008型包衣粉80%乙醇包衣、铝塑换双铝”、“内容物干法制粒20目、HPMC-E5水溶液5%包衣”、“内容物干法制粒20目、HPMC-E5水溶液5%包衣、铝塑换双铝”的制剂包装工艺,通过加速(50℃±2℃、75%±5%)试验及阴凉库考察胶囊结块问题,具体结果如表2与表3所示:
表2防潮措施下的加速试验结果(50℃±2℃、75%±5%)
表3防潮措施下的阴凉库贮存结果
由上述结果可知,在高温高湿加速条件下,采用已有的防潮措施如增加干燥剂、防潮包装、改变制剂工艺制粒包衣等措施,复方中药制剂内容物两个月内仍出现结块现象,但其含水量并未增加,因此推断现有工艺的复方中药制剂内容物结块并非吸潮引起。同时在阴凉干燥库的情况下,现有工艺复方中药制剂内容物未出现结块现象,因此推断复方中药制剂内容物结块与高温有关。
实施例2:复方中药制剂制备工艺一
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用45%乙醇在55℃下提取1h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1.5h,回收滤液,与步骤(1)滤液合并浓缩至相对密度为1.18的清膏,冷却至室温,加乙醇至含醇量为78%,搅拌均匀,静置24h,过滤,滤液回收乙醇,浓缩干燥得含水量为4%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为5%,GL2-25干法制粒机干法制粒,送料速度18g/min,压轮转速12rpm、造粒转速17rpm,颗粒粒径控制为20目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度为45℃,滚筒转速为7rpm,包衣液流量为18mL/min,包衣增重至颗粒质量的4%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率93.67%,龙胆苦苷含量8.21mg/粒。
实施例3:复方中药制剂制备工艺二
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用30%乙醇在60℃下提取1h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次2h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.30的清膏,冷却至室温,加乙醇至含醇量为80%,搅拌均匀,静置18h,过滤,滤液回收乙醇,浓缩干燥得含水量为2%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为5%,GL2-25干法制粒机干法制粒,送料速度15g/min,压轮转速15rpm、造粒转速15rpm,颗粒粒径控制为20目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度50℃,滚筒转速为7rpm,包衣液流量为16mL/min,包衣增重至颗粒质量的5%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率89.12%,龙胆苦苷含量7.64mg/粒。
实施例4:复方中药制剂制备工艺三
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用60%乙醇在30℃下提取1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次3h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.12的清膏,冷却至室温,加乙醇至含醇量为85%,搅拌均匀,静置36h,过滤,滤液回收乙醇,浓缩干燥得含水量为6%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为4%,GL2-25干法制粒机干法制粒,送料速度20g/min,压轮转速20rpm、造粒转速20rpm,颗粒粒径控制为30目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度40℃,滚筒转速为6rpm,包衣液流量为20mL/min,包衣增重至颗粒质量的3%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率85.64%,龙胆苦苷含量2.62mg/粒。
实施例5:复方中药制剂制备工艺四
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用40%乙醇在50℃下提取1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.20的清膏,冷却至室温,加乙醇至含醇量为75%,搅拌均匀,静置24h,过滤,滤液回收乙醇,浓缩干燥得含水量为2%的复方中药提取物;
(3)取步骤(2)将复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为7%,GL2-25干法制粒机干法制粒,送料速度15g/min,压轮转速20rpm、造粒转速15rpm,颗粒粒径控制为35目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度40℃,滚筒转速为6rpm,包衣液流量为20mL/min,包衣增重至颗粒质量的4%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率55.18%,龙胆苦苷含量7.63mg/粒。
实施例6:复方中药制剂制备工艺五
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用50%乙醇在60℃下提取1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次2h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.15的清膏,冷却至室温,加乙醇至含醇量为80%,搅拌均匀,静置24h,过滤滤液回收乙醇,浓缩干燥得含水量为4%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为3%,GL2-25干法制粒机干法制粒,送料速度20g/min,压轮转速15rpm、造粒转速20rpm,颗粒粒径控制为8目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度30℃,滚筒转速9rpm,包衣液流量12mL/min,包衣增重至颗粒质量的7%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率48.96%,龙胆苦苷含量6.95mg/粒。
实施例7:复方中药制剂制备工艺六
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用50%乙醇在50℃下提取0.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.20的清膏,冷却至室温,加乙醇至含醇量为80%,搅拌均匀,静置18h,过滤,滤液回收乙醇,浓缩干燥得含水量为3%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为6%,GL2-25干法制粒机干法制粒,送料速度20g/min,压轮转速15rpm、造粒转速20rpm,颗粒粒径控制为10目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度40℃,滚筒转速为8rpm,包衣液流量为20mL/min,包衣增重至颗粒质量的6%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率86.75%,龙胆苦苷含量5.78mg/粒。
实施例8:复方中药制剂制备工艺七
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用40%乙醇在60℃下提取1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次3h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.15的清膏,冷却至室温,加乙醇至含醇量为75%,搅拌均匀,静置36h,过滤,滤液回收乙醇,浓缩干燥得含水量为5%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制为4%,GL2-25干法制粒机干法制粒,送料速度15g/min,压轮转速10rpm、制粒速率15rpm,颗粒粒径控制为30目颗粒;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度50℃,滚筒转速为6rpm,包衣液流量为16mL/min,包衣增重至颗粒质量的3%,加入1%硬脂酸镁,混匀装入胶囊壳。所得包衣颗粒得率80.59%,龙胆苦苷含量6.38mg/粒。
实施例9:复方中药制剂制备工艺八
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用45%乙醇在55℃下提取1h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1.5h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.18的清膏,冷却至室温,加乙醇至含醇量为78%,搅拌均匀,静置24h,过滤,滤液回收乙醇,浓缩干燥得含水量为4%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,干燥粉碎,加入淀粉、滑石粉、硬脂酸镁混匀装入胶囊壳。所得龙胆苦苷含量8.43mg/粒。
实施例10:加速试验研究复方中药制剂制备工艺稳定性
通过加速(60℃±2℃、75%±5%)试验考察上述工艺制备的复方中药制剂结块现象及龙胆苦苷的含量(工艺四和工艺五颗粒得率低,损耗大不利于工业大生产)。结果如下表:
表4制备工艺下的加速试验(60℃±2℃、75%±5%)
根据上述结果可知,在本发明专利权利要求范围内的工艺一、六和七所得复方中药制剂在高温高湿条件下180天未结块,且有效成分龙胆苦苷含量基本维持不变,含量超过5mg/粒,显著优于标准所规定的2.7mg/粒;而非本发明专利权利要求范围内的工艺二、三和八所得复方中药制剂在高温高湿条件下180天内出现结块现象,且龙胆苦苷含量出现明显的下降。因此本发明提供的复方中药制剂制备工艺,有效提高现有复方中药制剂的稳定性。
实施例11:非细菌性前列腺炎大鼠模型的作用研究
取雄性SD大鼠50只,体重(250±15)g,随机分成5组:对照组、模型组、复方中药制剂工艺一组、工艺六组、原工艺组。实验组大鼠均以手术去势+雌激素诱导法造模。造模成功后第2天开始保留灌肠给药,各组复方中药制剂给药量均为0.5g内含物/d,对照组和模型组给予等量的生理盐水。各组大鼠均连续给药,1次/d,连续28d。
给药完成后,采集标本,测定各项指标:(1)称量体重,麻醉大鼠,右心室穿刺抽血,用EDTA抗凝管取静脉血,ELISA法测定各组大鼠血清中PEG2、IL-10含量;(2)摘取前列腺,称量前列腺湿重,计算前列腺腺体指数。
结果显示:
1、模型组前列腺腺体指数较对照组明显升高,两组有显著性差异(P<0.05);复方中药制剂工艺一组、工艺六组、原工艺组较模型组,前列腺腺体指数明显降低,差异具有显著性(P<0.05);同时复方中药制剂工艺一组、工艺六组前列腺腺体指数较原工艺组更低,差异具有显著性(P<0.05)。
表5各组大鼠前列腺腺体指数比较(n=10)
组别 | 前列腺腺体指数(前列腺重/体重*100%) |
对照组 | 0.064±0.022<sup>*</sup> |
模型组 | 0.139±0.018 |
工艺一组 | 0.077±0.021<sup>*△</sup> |
工艺六组 | 0.086±0.014<sup>*△</sup> |
原工艺组 | 0.101±0.011<sup>*</sup> |
注:与模型组相比,*表示P<0.05;与原工艺组相比,△表示P<0.05。
2、模型组大鼠血清PGE2和IL-10含量较对照组明显增加,两组有显著性差异(P<0.05);复方中药制剂工艺一组、工艺六组、原工艺组较模型组,PGE2和IL-10含量明显减少,差异具有显著性(P<0.05);同时复方中药制剂工艺一组、工艺六组的PGE2和IL-10含量较原工艺组更低,差异具有显著性(P<0.05)。
表6各组大鼠PGE2和IL-10含量比较(n=10)
组别 | PGE2(pg/ml) | IL-10(pg/ml) |
对照组 | 4.76±0.64<sup>*</sup> | 3.10±0.3<sup>4*</sup> |
模型组 | 34.18±2.35 | 53.47±5.21 |
工艺一组 | 15.43±2.17<sup>*△</sup> | 24.64±4.36<sup>*△</sup> |
工艺六组 | 18.38±3.35<sup>*△</sup> | 31.29±3.76<sup>*△</sup> |
原工艺组 | 22.15±2.57<sup>*</sup> | 38.76±4.59<sup>*</sup> |
注:与模型组相比,*表示P<0.05;与原工艺组相比,△表示P<0.05。
综上,与正常对照组相比,模型组前列腺指数、PGE2和IL-10含量均出现显著的升高,说明模型动物存在炎症反应。与模型组相比,复方中药制剂工艺一组、工艺六组、原工艺组前列腺指数、PGE2和IL-10含量明显降低,说明复方中药制剂均具有一定的前列腺炎治疗作用。同时复方中药制剂工艺一组、工艺六组前列腺指数、PGE2和IL-10含量较原工艺组更低,因此本发明工艺所制备的复方中药制剂针对前列腺炎症作用优于原工艺,疗效更佳。
Claims (6)
1.一种复方中药制剂制备工艺,其步骤如下:
(1)按标准处方量,将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用40-50%乙醇在50-60℃下提取0.5-1.5h,过滤后得滤液和药渣;
(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1-3h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.15-1.20的清膏,冷却至室温,加乙醇至含醇量为75-80%,搅拌均匀,静置18-36h,过滤,滤液回收乙醇,浓缩干燥得含水量为3-5%的复方中药提取物;
(3)取步骤(2)复方中药提取物,按标准处方量与熊胆粉、人工牛黄混匀,室温条件下物料水分控制在4-6%,用GL2-25干法制粒机干法制粒,颗粒粒径控制在10-30目;
(4)取步骤(3)颗粒,用HPMC-E5包衣液进行无孔包衣机包衣,颗粒温度为40-50℃,滚筒转速为6-8rpm,包衣液流量为16-20mL/min,包衣增重至颗粒质量的3-6%,加入1%硬脂酸镁,混匀装入胶囊壳。
2.根据权利要求1所述的复方中药制剂制备工艺,其特征在于,步骤(1)将白花蛇舌草、金钱草、鱼腥草、龙胆草、竹叶柴胡用45%乙醇在55℃下提取1h,过滤后得滤液和药渣。
3.根据权利要求1所述的复方中药制剂制备工艺,其特征在于,步骤(2)取步骤(1)药渣,按标准处方量加栀子、地黄、紫丹参、黄芪、茯苓加水煎煮两次,每次1.5h,收集滤液,与步骤(1)滤液合并浓缩至相对密度为1.18的清膏,加乙醇至含醇量为78%,搅拌均匀,静置24h,过滤,滤液回收乙醇,浓缩干燥得含水量为4%的复方中药提取物。
4.根据权利要求1所述的复方中药制剂制备工艺,其特征在于,步骤(3)中室温条件下物料水分控制在5%。
5.根据权利要求1所述的复方中药制剂制备工艺,其特征在于,步骤(3)中干法制粒送料速度15-20g/min,压轮转速10-15rpm、造粒转速15-20rpm,颗粒粒径控制为20目。
6.根据权利要求1所述的复方中药制剂制备工艺,其特征在于,步骤(4)中HPMC-E5包衣增重至颗粒质量的4%。
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