CN115154427B - 一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法 - Google Patents

一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法 Download PDF

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CN115154427B
CN115154427B CN202210977448.3A CN202210977448A CN115154427B CN 115154427 B CN115154427 B CN 115154427B CN 202210977448 A CN202210977448 A CN 202210977448A CN 115154427 B CN115154427 B CN 115154427B
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CN115154427A (zh
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韩愈杰
邵谱
孔红君
陈静
李建强
谷宇
葛瑶佳
张世显
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Baoding Jizhong Biotechnology Co ltd
BAODING YANGGUANG BENCAO PHARM
Baoding Jizhong Pharmaceutical Co ltd
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Abstract

本发明涉及中药制药技术领域,提出了一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,包括以下步骤:A、称取处方量的大黄、黄芩及甘草,加氢氧化钙水溶液,提取,浓缩,得到第一提取液备用;B、称取处方量的黄连和黄柏,加氯化钠水溶液,提取,浓缩得到药液,加入β‑环糊精,搅拌,得到第二提取液备用;C、称取处方量的板蓝根,加乙醇,提取,浓缩,得到第三提取液备用;D、将第一提取液、第二提取液以及第三提取液合并得到混合提取液,向混合提取液中加入水杨酸钠和乙二胺,浓缩,加辅料制粒,得半成品颗粒备用;E、将乳酸菌与半成品颗粒混合,得到四黄止痢颗粒。可以有效减少絮状的沉淀量,提高治疗畜禽湿热泻痢和修复肠道的效果。

Description

一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法
技术领域
本发明涉及中药制药技术领域,具体的,涉及一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法。
背景技术
随着国家对食品安全的关注,为降低肉蛋奶抗生素残留,遏制动物源性细菌耐药性,国家颁布一系列限抗替抗政策,抗生素的减量化,导致畜禽胃肠道疾病增加,畜禽的胃肠道疾病严重影响机体的健康和制约经济效益。四黄止痢颗粒具有清热泻火和止痢功效,治疗大肠杆菌病效果显著。现在的四黄止痢颗粒在制备时,一般是将黄连、黄柏与黄芩共煎,这样会产生大量絮状的沉淀,沉淀中含有小檗碱、黄芩苷等大量有效物质,如果去除沉淀其临床效果会降低,如果不去除沉淀的话,在使用过程中容易堵塞禽用水线,妨碍临床使用。因此,急需解决四黄止痢颗粒的沉淀问题。
发明内容
本发明提出一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,解决了相关技术中四黄止痢颗粒在制备时,会产生大量絮状的沉淀,如果去除沉淀其临床效果会降低,如果不去除沉淀的话,在使用过程中容易堵塞禽用水线,妨碍临床使用的问题。
本发明的技术方案如下:一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,关键在于,所述制备方法包括以下步骤:
A、称取处方量的大黄、黄芩及甘草,加入三味药材质量和的8-10倍量质量分数为0.8-1.2%的氢氧化钙水溶液,提取,浓缩,得到第一提取液备用;
B、称取处方量的黄连和黄柏,加入两味药材质量和的8-10倍量质量分数为1.8-2.2%的氯化钠水溶液,提取,浓缩得到药液,按照药液与β-环糊精(8-12):1的比例加入β-环糊精,搅拌,得到第二提取液备用;
C、称取处方量的板蓝根,加入板蓝根质量的5-7倍量质量分数为55-65%的乙醇,提取,浓缩,得到第三提取液备用;
D、将步骤A得到的第一提取液、步骤B得到的第二提取液以及步骤C得到的第三提取液合并得到混合提取液,按照混合提取液、水杨酸钠与乙二胺1000:(2-5):(1-3)的比例,向混合提取液中加入水杨酸钠和乙二胺,浓缩得到药浸膏,加辅料制粒,得半成品颗粒备用;
E、将乳酸菌与步骤D得到的半成品颗粒按1:(50-60)的比例混合,得到四黄止痢颗粒。
步骤A中的提取具体是指,提取1-3次,每次1.5-2.5h并且合并提取得到的上清液。
步骤A中的浓缩具体是指,减压浓缩提取得到的上清液至含生药量0.8-1.2g/mL。
步骤B中的提取具体是指,提取1-3次,每次1.5-2.5h并且合并提取得到的上清液。
步骤B中的浓缩具体是指,减压浓缩提取得到的上清液得到含生药量为0.8-1.2g/mL的药液。
步骤B中的搅拌是指常温搅拌2.5-3.5h。
步骤C中的提取时间是1.5-2.5h。
步骤C中的浓缩具体是指,减压浓缩提取的上清液至含生药量0.8-1.2g/mL。
步骤D中,浓缩具体是指,浓缩至密度为1.2-1.5g/mL。
步骤D中的辅料包括蔗糖和糊精,药浸膏、蔗糖、糊精的质量比为1:(3-5):1。
本发明的工作原理及有益效果为:用氢氧化钙水溶液提取大黄、黄芩苷及甘草,提取过程中鞣酸会与钙离子结合发生沉淀而去除,从而减少鞣酸与小檗碱反应,减少絮状的沉淀;黄连和黄柏用氯化钠水溶液提取并用β-环糊精包合,可以提高小檗碱的水溶性,也可以减少絮状的沉淀;水杨酸钠为弱碱性,减少小檗碱参与季铵反应,增加溶液中小檗碱含量;用乙醇溶液提取板蓝根,有机酸含量高,抗细菌内毒素的效果显著,同时,乳酸菌与半成品颗粒按照1:(50-60)的比例混合,体系中加入乙二胺起到抗絮凝作用,各个步骤相互配合,可以有效减少絮状的沉淀量,提高治疗畜禽湿热泻痢和修复肠道的效果。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明。
图1为用不同方法制得的四黄止痢颗粒对大肠杆菌的抑菌率。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都涉及本发明保护的范围。
实施例1、一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,包括以下步骤:
A、称取处方量的大黄、黄芩及甘草,加入三位药材质量和的8-10倍量质量分数为0.8-1.2%且优选为1%的氢氧化钙水溶液,提取两次,每次2h并且合并提取得到的上清液,在70℃、-0.09MPa环境下减压浓缩提取得到的上清液至含生药量0.8-1.2g/mL且优选为1g/mL,得到第一提取液备用;
B、称取处方量的黄连和黄柏,加入两味药材质量和的8-10倍量质量分数为1.8-2.2%且优选为2%的氯化钠水溶液,提取两次,每次2h并且合并提取得到的上清液,在70℃、-0.09MPa环境下减压浓缩提取得到的上清液得到含生药量为0.8-1.2g/mL且优选为1g/mL的药液,按照药液与β-环糊精(8-12):1且优选为10:1的比例加入β-环糊精,常温搅拌2.5-3.5h且优选为3h,得到第二提取液备用;
C、称取处方量的板蓝根,加入板蓝根质量的5-7倍量且优选为6倍量质量分数为55-65%且优选为60%的乙醇,提取2h,在70℃、-0.09MPa环境下提取的上清液至含生药量0.8-1.2g/mL且优选为1g/mL,得到第三提取液备用;
D、将步骤A得到的第一提取液、步骤B得到的第二提取液以及步骤C得到的第三提取液合并得到混合提取液,质量比按照混合提取液、水杨酸钠与乙二胺1000:(2-5):(1-3)的比例,向混合提取液中加入水杨酸钠和乙二胺,浓缩至密度为1.2-1.5g/mL得到药浸膏,加辅料制粒,得半成品颗粒备用,其中,辅料包括蔗糖和糊精,药浸膏、蔗糖、糊精的质量比为1:(3-5):1且优选为1:4:1;
E、将乳酸菌与步骤D得到的半成品颗粒按1:(50-60)的比例混合,得到四黄止痢颗粒,其中乳酸菌是通过大肠杆菌构建鸡肠道腹泻模型筛选而来。
试验1、利用本发明的方法制得的四黄止痢颗粒和常规方法制得的四黄止痢颗粒溶解性对比:
按照本发明的方法和常规方法分别制备四黄止痢颗粒,取四黄止痢颗粒10g溶解于100mL水中,充分震荡摇匀并放置,观察沉淀量,离心,沉淀称重,按本发明的方法制备的四黄止痢颗粒的沉淀量为0.25±0.02g,常规方法制备的四黄止痢颗粒的沉淀量为0.73±0.04g,本发明的方法制备的四黄止痢颗粒沉淀量显著少于按照常规方法制备的四黄止痢颗粒沉淀量。
试验2、测定四黄止痢颗粒中黄芩苷含量:
按照高效液相色谱法测定,其中,色谱条件与系统适用性试验:以十八烷基硅烷键合硅胶为填充剂;以甲醇:水:磷酸=43:57:0.2为流动相;检测波长为278nm;理论板数按黄芩苷峰计算应不低于2000;
对照品溶液的制备:取按照常规方法制得的四黄止痢颗粒研细的粉末适量,精密称定,加甲醇制成每1mL含60μg四黄止痢颗粒的溶液,摇匀,即得对照品溶液;
供试品溶液的制备:取按照本发明的方法制得的四黄止痢颗粒研细的粉末0.5g,精密称定,置于100mL量瓶中,加纯甲醇50mL,超声处理(功率为250W、频率为40kHz)30min,放冷,加甲醇至刻度,摇匀,过滤,即得供试品溶液;
测定法:分别精密吸取对照品溶液与供试品溶液各10μL,注入液相色谱仪,测定,所得结果如下面的表1所示:
表1对照品溶液与供试品溶液中黄芩苷含量
项目 黄芩苷含量(mg/g)
按照本发明方法制得的四黄止痢颗粒 10.08
按照常规方法制得的四黄止痢颗粒 5.73
由表1中的数据可知,按照本发明的方法制得的四黄止痢颗粒的黄芩苷含量要远远大于照常规方法制得的四黄止痢颗粒的黄芩苷含量,可以有效提高治疗湿热泻痢的效果。
试验3、测定四黄止痢颗粒对大肠杆菌的抑菌率:
准备空白对照组、菌液对照组、本发明工艺制得的四黄止痢颗粒组及常规方法制得的四黄止痢颗粒组,
四黄止痢颗粒组按照100g兑水300斤浓度配置,每组设置三个试管,试管中加入LB培养基8mL,除空白对照组外,其它组按2%的接种量接种大肠杆菌,每组按照药物使用剂量添加制剂和无菌水,配制好相应浓度后,置于37℃培养箱中培养20h,结束后转入冰水浴中终止大肠杆菌生长,于600nm波长下测定吸光度(OD)值,计算抑菌率,抑菌率=(OD对照-OD实验)/OD对照*100,同一组的三个抑菌率求平均值,最后得出,常规方法制得的四黄止痢颗粒对大肠杆菌的抑菌率不到60%,而本发明工艺制得的四黄止痢颗粒对大肠杆菌的抑菌率可以达到80%,空白对照组和菌液对照组没有抑菌效果,如图1所示,所以本发明可以有效提高修复肠道的效果。
对比例1、与实施例1的区别在于,将步骤A中的“氢氧化钙水溶液”替换成“饮用水”,氢氧化钙水溶液提取比饮用水提取,溶液中黄芩苷含量提高29.86%。
对比例2、与实施例1的区别在于,将步骤B中的“氯化钠水溶液”替换成“饮用水”,将步骤B中的“β-环糊精”包合去掉,与对比例2相比,实施例1中沉淀量减少30.54%,小檗碱提高21.11%;
对比例3、与实施例1的区别在于,将步骤C中的“乙醇”替换成“饮用水”,与对比例2相比,实施例1中有机酸含量提高19.01%,实施例1制备的四黄止痢颗粒抗菌效果更好。
对比例4、与实施例1的区别在于,将步骤D中的“加入水杨酸钠、乙二胺”去掉,与对比例2相比,实施例1中沉淀量减少25.77%。
对比例5、与实施例1的区别在于,将步骤E去掉,用实施例1制备的四黄止痢颗粒和去掉步骤E后制备的四黄止痢颗粒饲喂白羽肉鸡试验,记录鸡只采食量、平均日增重、料肉比及蛋白质代谢率,如下面的表2所示:
表2用实施例1与对比例5制备的四黄止痢颗粒饲喂白羽肉鸡的试验数据
Figure BDA0003798892370000051
注:表2中a和b表明两组间差异显著,p<0.05。
由表2中的数据可知,实施例1制备的四黄止痢颗粒提高鸡只生产性能的效果更好。

Claims (10)

1.一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于,所述制备方法包括以下步骤:
A、称取处方量的大黄、黄芩及甘草,加入三味药材质量和的8-10倍量质量分数为0.8-1.2%的氢氧化钙水溶液,提取,浓缩,得到第一提取液备用;
B、称取处方量的黄连和黄柏,加入两味药材质量和的8-10倍量质量分数为1.8-2.2%的氯化钠水溶液,提取,浓缩得到药液,按照药液与β-环糊精(8-12):1的比例加入β-环糊精,搅拌,得到第二提取液备用;
C、称取处方量的板蓝根,加入板蓝根质量的5-7倍量质量分数为55-65%的乙醇,提取,浓缩,得到第三提取液备用;
D、将步骤A得到的第一提取液、步骤B得到的第二提取液以及步骤C得到的第三提取液合并得到混合提取液,按照混合提取液、水杨酸钠与乙二胺1000:(2-5):(1-3)的比例,向混合提取液中加入水杨酸钠和乙二胺,浓缩得到药浸膏,加辅料制粒,得半成品颗粒备用;
E、将乳酸菌与步骤D得到的半成品颗粒按1:(50-60)的比例混合,得到四黄止痢颗粒。
2.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤A中的提取具体是指,提取1-3次,每次1.5-2.5h并且合并提取得到的上清液。
3.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤A中的浓缩具体是指,减压浓缩提取得到的上清液至含生药量0.8-1.2g/mL。
4.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤B中的提取具体是指,提取1-3次,每次1.5-2.5h并且合并提取得到的上清液。
5.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤B中的浓缩具体是指,减压浓缩提取得到的上清液得到含生药量为0.8-1.2g/mL的药液。
6.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤B中的搅拌是指常温搅拌2.5-3.5h。
7.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤C中的提取时间是1.5-2.5h。
8.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤C中的浓缩具体是指,减压浓缩提取的上清液至含生药量0.8-1.2g/mL。
9.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤D中,浓缩具体是指,浓缩至密度为1.2-1.5g/mL。
10.根据权利要求1所述的一种提高四黄止痢颗粒治疗湿热泻痢效果的制备方法,其特征在于:步骤D中的辅料包括蔗糖和糊精,药浸膏、蔗糖、糊精的质量比为1:(3-5):1。
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