CN116870094A - 一种清热解毒口服液的制备方法 - Google Patents
一种清热解毒口服液的制备方法 Download PDFInfo
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- CN116870094A CN116870094A CN202310753988.8A CN202310753988A CN116870094A CN 116870094 A CN116870094 A CN 116870094A CN 202310753988 A CN202310753988 A CN 202310753988A CN 116870094 A CN116870094 A CN 116870094A
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Abstract
本发明公开了一种清热解毒口服液的制备方法。由以下重量份的原料药制成:蟛蜞菊50‑60份、紫背天葵65‑75份、金银花120份、玄参100份、地黄80份、连翘65份、栀子65份、甜地丁65份、黄芩65份、龙胆65份、板蓝根65份、知母50份、麦冬50份。通过改性超滤膜过滤、低共熔溶剂进一步精提和发酵后收集发酵滤液的方式来达到更大限度的提取有效物质,避免原料的浪费,同时拥有更好的疗效。
Description
技术领域
本发明涉及制剂领域,尤其是一种清热解毒口服液的制备方法。
背景技术
清热解毒口服液配制工艺中药液过滤时一般采用传统的滑石粉滤饼过滤除杂,由于这种过滤方式受制于滑石粉滤饼的成型情况,当滑石粉用量不合适、操作不当时,滑石粉滤饼就会不紧密,严重影响药液过滤的效果,使药液澄清度达不到要求,从而需要重新制备滑石粉滤饼对药液重复过滤,造成操作时间延长,操作步骤繁琐,仍然不能保证产品质量。现在也有使用超滤膜来代替传统的滑石粉滤饼过滤杂质,但是其生物相容性差,不利于让具有生物活性的有效物质选择通过,而且多味药材共同炮制,会使各组类型的生物碱聚集,其中有很多可溶性生物碱都是具有肝毒性的。所以保留其他有效成分,去除大部分的生物碱也是该提取方式需要解决的问题。
传统的清热解毒口服液的制备工艺只是采用简单的水提醇沉工艺,但是采用该工艺制得的杂质多,有效物质提取率低,原料浪费大,生产周期长,因此制备工艺有待改善。
发明内容
本发明要解决的技术问题是:提供一种物质提取率高、杂质少的清热解毒口服液的制备方法。
为了解决上述技术问题,本发明所采用的技术方案包括以下步骤:
一种清热解毒口服液的制备方法,由以下重量份的原料药组成:蟛蜞菊50-60份、紫背天葵65-75份、金银花120份、玄参100份、地黄80份、连翘65份、栀子65份、甜地丁65份、黄芩65份、龙胆65份、板蓝根65份、知母50份、麦冬50份;
制备方法为:
1)以上十三味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊、紫背天葵外,其余九味药混合后先加1.3-1.5L 40℃的蒸馏水水温浸1小时;
2)第一次煎煮1小时收集滤液,第二次加1.1-1.3L蒸馏水待煮沸后,再加入金银花、黄芩、蟛蜞菊和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
3)将上述滤渣a经低共熔溶剂提取,得苷类提取物和滤渣b,滤渣b再经发酵收集发酵滤液;
4)将上述粗提液a置于装有改性超滤膜的过滤装置中进行过滤,得到精提液a;
5)将上述精提液a与苷类提取物和发酵滤液混合均匀后制成医学所能接受的口服液制剂,即得;
其中,改性超滤膜的制备方法为:
a. 将1.5份的N-三甲基壳聚糖与1份的5-羟基多巴胺盐酸加入5份PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;
b. 将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗6-8min后取出备用;
c. 将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为100-120rmp的摇床上反应4-5h,最后使用70%的乙醇清洗1次,用去离子水清洗1-2次即得改性超滤膜。
其中,苷类提取物的制备方法为:
A. 将上述滤渣a在40-50℃下烘干至含水量在4-7%,再将其放入粉碎机中粉碎至60目得滤渣a粉末;
B. 将上述滤渣a粉末和低共熔溶剂按1:13~15(g:mL)的液料比混合,然后在45℃下超声辅助提取40-50min,反应完后立即离心过滤得到滤渣b和粗提液b,在粗提液b中加入8倍量水,搅匀,使用40%的氢氧化钠将pH调至7,搅拌均匀后过滤,然后加等量乙醇,滤除杂质得精提液b;
C. 往上述精提液b中滴加浓盐酸至pH为1-2,搅拌均匀后50℃下保温30min,滤取沉淀,使用95%乙醇洗涤2-3次,干燥,得苷类提取物;
其中,低共溶溶剂制备方法为:
将1份的二植酰磷脂酰胆碱和1.6-1.8份的2-(2-巯基苯并噻唑)琥珀酸加入4-6份的70%乙醇溶液中,然后升温至45~55℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂。
其中,发酵滤液的制备方法为:
i. 将上述滤渣b使用去离子水清洗4-6遍,沥干水分后在50-60℃下烘干至恒重,然后粉碎过60目筛即得发酵物料;
ii. 将上述发酵物料投入发酵罐中,加入发酵物料质量1-2%的复配菌液,并加入发酵物料质量6-7%的玉米粉作为碳源,最后加入与发酵物料质量体积比为2:1的去离子水,搅拌均匀后开始发酵,发酵5-7d后过滤杀菌即得发酵滤液;
其中,复配菌液的制备方法为:将1份双歧杆菌、1份嗜酸乳杆菌、1份丁酸梭菌、1份酵母菌加入5份10%的红糖水中搅拌均匀,在温度为32-36℃的环境中放置12h即得复配菌液。
本发明的特点是:
1)超滤膜可以过滤发酵液中的絮状物、微粒、亚微粒等,但是也有可能过滤掉一些药物中的活性成分,所以本发明复配了N-三甲基壳聚糖与5-羟基多巴胺盐酸作为改性溶液对PVDF原膜进行表面改性,N-三甲基壳聚糖相比壳聚糖具有更好的生物相容性,而且能够更好的对黄酮类、酚类等物质进行选择通过,可以生物碱类成分通过。5-羟基多巴胺盐酸可以改善中药液在超滤膜上的透过性,增加有益成分的通过量,而且对大分子物质只有阻隔而不是粘附,从而提高过滤效率。此外,两者都会增强PVDF原膜的离子强度,从而减弱物质聚集引起超滤膜堵塞。
2)本发明复配的低共熔溶剂与苷类物质有更为相似的极性和更多的静电相互作用。 2-(2-巯基苯并噻唑)琥珀酸比常用的二元酸对苷类物质的选择性更高,同时其抗氧化性可以保护苷类物质免受氧化损害,而且2-(2-巯基苯并噻唑)琥珀酸在中性或者弱酸性条件下都能提取,适应范围也比较广。二植酰磷脂酰胆碱为低共熔溶剂体系提供了稳定的环境,它可以与细胞膜相互作用,并在提取过程中作为适宜生物活性物质的载体。两者联合使用有利于降低传质阻力,使苷类物质等有效成分能更好的溶出。
3)本发明配伍的十三味药材具有良好的清热解毒功效,利用发酵滤液和天然药材的提取液相结合进一步增强了药效,同时减少了药材的浪费。此外,本发明使用的紫背天葵中含有的紫背天葵花青素具有强抗氧化、抗炎和抗癌的特性;蟛蜞菊具有一定含量的萜类化学物和其他天然化学成分,减轻自由基对人体细胞的损伤,能够预防多种慢性疾病的发生。
实施方式
下面结合实施例对本发明作进一步详细的说明。
本发明实施例所使用的原料或化学试剂,如无特殊说明,均通过常规商业途径获得。
实施例1
本实施例包括如下步骤:
1)制备改性超滤膜:
将1.5kg的N-三甲基壳聚糖与1kg的5-羟基多巴胺盐酸加入5 L 的PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗7min后取出备用;将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为110rmp的摇床上反应4.5h,最后使用70%的乙醇清洗1次,用去离子水清洗2次即得改性超滤膜;
2)制备低共溶溶剂:
将1kg的二植酰磷脂酰胆碱和1.7kg的2-(2-巯基苯并噻唑)琥珀酸加入5L的70%乙醇溶液中,然后升温至50℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂;
3)制备复配菌液:
将100g双歧杆菌、100g嗜酸乳杆菌、100g丁酸梭菌、100g酵母菌加入5L 10%的红糖水中搅拌均匀,在温度为32-36℃的环境中放置12h即得复配菌液;
4)蟛蜞菊55g、紫背天葵70g、金银花120g、玄参100g、地黄80g、连翘65g、栀子65g、甜地丁65g、黄芩65g、龙胆65g、板蓝根65g、知母50g、麦冬50g;以上十三味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊、紫背天葵外,其余九味药混合后先加1.4L 40℃的蒸馏水水温浸1小时;
5)第一次煎煮1小时收集滤液,第二次加1.2L蒸馏水待煮沸后,再加入金银花、黄芩、蟛蜞菊和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
6)将上述粗提液a置于装有改性超滤膜的过滤装置中进行过滤,得到精提液a;
7)将上述滤渣a在45℃下烘干至含水量在5%,再将其放入粉碎机中粉碎至60目得滤渣a粉末;将上述滤渣a粉末和低共熔溶剂按1:14(g:mL)的液料比混合,然后在45℃下超声辅助提取45min,反应完后立即离心过滤得到滤渣b和粗提液b,在粗提液b中加入8倍量水,搅匀,使用40%的氢氧化钠将pH调至7,搅拌均匀后过滤,然后加等量乙醇,滤除杂质得精提液b;往上述精提液b中滴加浓盐酸至pH为1.5,搅拌均匀后50℃下保温30min,滤取沉淀,使用95%乙醇洗涤3次,干燥,得苷类提取物;
8)将上述滤渣b使用去离子水清洗5遍,沥干水分后在55℃下烘干至恒重,然后粉碎过60目筛即得发酵物料;将上述发酵物料投入发酵罐中,加入发酵物料质量1.5%的复配菌液,并加入发酵物料质量6.5%的玉米粉作为碳源,最后加入与发酵物料质量体积比为2:1的去离子水,搅拌均匀后开始发酵,发酵6d后过滤杀菌即得发酵滤液;
9)取800ml精提液a与30g苷类提取物和800ml发酵滤液混合均匀后在80℃下浓缩至850ml,冷藏48小时,滤过,加矫味剂适量,加水定容至1000ml,滤过,灌封,灭菌,即得。
实施例2
本实施例包括如下步骤:
1)制备改性超滤膜:
将1.5kg的N-三甲基壳聚糖与1kg的5-羟基多巴胺盐酸加入5 L 的PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗6min后取出备用;将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为100rmp的摇床上反应4h,最后使用70%的乙醇清洗1次,用去离子水清洗1次即得改性超滤膜;
2)制备低共溶溶剂:
将1kg的二植酰磷脂酰胆碱和1.6kg的2-(2-巯基苯并噻唑)琥珀酸加入4L的70%乙醇溶液中,然后升温至50℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂;
3)制备复配菌液:
将100g双歧杆菌、100g嗜酸乳杆菌、100g丁酸梭菌、100g酵母菌加入5L 10%的红糖水中搅拌均匀,在温度为32-36℃的环境中放置12h即得复配菌液;
4)蟛蜞菊50g、紫背天葵65g、金银花120g、玄参100g、地黄80g、连翘65g、栀子65g、甜地丁65g、黄芩65g、龙胆65g、板蓝根65g、知母50g、麦冬50g;以上十三味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊、紫背天葵外,其余九味药混合后先加1.3L 40℃的蒸馏水水温浸1小时;
5)第一次煎煮1小时收集滤液,第二次加1.1L蒸馏水待煮沸后,再加入金银花、黄芩、蟛蜞菊和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
6)将上述粗提液a置于装有改性超滤膜的过滤装置中进行过滤,得到精提液a;
7)将上述滤渣a在45℃下烘干至含水量在5%,再将其放入粉碎机中粉碎至60目得滤渣a粉末;将上述滤渣a粉末和低共熔溶剂按1:13(g:mL)的液料比混合,然后在45℃下超声辅助提取40min,反应完后立即离心过滤得到滤渣b和粗提液b,在粗提液b中加入8倍量水,搅匀,使用40%的氢氧化钠将pH调至7,搅拌均匀后过滤,然后加等量乙醇,滤除杂质得精提液b;往上述精提液b中滴加浓盐酸至pH为1,搅拌均匀后50℃下保温30min,滤取沉淀,使用95%乙醇洗涤2次,干燥,得苷类提取物;
8)将上述滤渣b使用去离子水清洗4遍,沥干水分后在50℃下烘干至恒重,然后粉碎过60目筛即得发酵物料;将上述发酵物料投入发酵罐中,加入发酵物料质量1%的复配菌液,并加入发酵物料质量6%的玉米粉作为碳源,最后加入与发酵物料质量体积比为2:1的去离子水,搅拌均匀后开始发酵,发酵5d后过滤杀菌即得发酵滤液;
9)取800ml精提液a与30g苷类提取物和800ml发酵滤液混合均匀后在80℃下浓缩至850ml,冷藏48小时,滤过,加矫味剂适量,加水定容至1000ml,滤过,灌封,灭菌,即得。
实施例3
本实施例包括如下步骤:
1)制备改性超滤膜:
将1.5kg的N-三甲基壳聚糖与1kg的5-羟基多巴胺盐酸加入5 L 的PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗7min后取出备用;将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为110rmp的摇床上反应4.5h,最后使用70%的乙醇清洗1次,用去离子水清洗2次即得改性超滤膜;
2)制备低共溶溶剂:
将1kg的二植酰磷脂酰胆碱和1.7kg的2-(2-巯基苯并噻唑)琥珀酸加入5L的70%乙醇溶液中,然后升温至50℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂;
3)制备复配菌液:
将100g双歧杆菌、100g嗜酸乳杆菌、100g丁酸梭菌、100g酵母菌加入5L 10%的红糖水中搅拌均匀,在温度为32-36℃的环境中放置12h即得复配菌液;
4)蟛蜞菊60g、紫背天葵75g、金银花120g、玄参100g、地黄80g、连翘65g、栀子65g、甜地丁65g、黄芩65g、龙胆65g、板蓝根65g、知母50g、麦冬50g;以上十三味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊、紫背天葵外,其余九味药混合后先加1.5L 40℃的蒸馏水水温浸1小时;
5)第一次煎煮1小时收集滤液,第二次加1.3L蒸馏水待煮沸后,再加入金银花、黄芩、蟛蜞菊和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
6)将上述粗提液a置于装有改性超滤膜的过滤装置中进行过滤,得到精提液a;
7)将上述滤渣a在50℃下烘干至含水量在7%,再将其放入粉碎机中粉碎至60目得滤渣a粉末;将上述滤渣a粉末和低共熔溶剂按1:15(g:mL)的液料比混合,然后在45℃下超声辅助提取50min,反应完后立即离心过滤得到滤渣b和粗提液b,在粗提液b中加入8倍量水,搅匀,使用40%的氢氧化钠将pH调至7,搅拌均匀后过滤,然后加等量乙醇,滤除杂质得精提液b;往上述精提液b中滴加浓盐酸至pH为2,搅拌均匀后50℃下保温30min,滤取沉淀,使用95%乙醇洗涤3次,干燥,得苷类提取物;
8)将上述滤渣b使用去离子水清洗6遍,沥干水分后在60℃下烘干至恒重,然后粉碎过60目筛即得发酵物料;将上述发酵物料投入发酵罐中,加入发酵物料质量2%的复配菌液,并加入发酵物料质量7%的玉米粉作为碳源,最后加入与发酵物料质量体积比为2:1的去离子水,搅拌均匀后开始发酵,发酵7d后过滤杀菌即得发酵滤液;
9)取800ml精提液a与30g苷类提取物和800ml发酵滤液混合均匀后在80℃下浓缩至850ml,冷藏48小时,滤过,加矫味剂适量,加水定容至1000ml,滤过,灌封,灭菌,即得。
对比例1
本对比例与实施例1的区别在于: 1)制备改性超滤膜:
将2.5kg的N-三甲基壳聚糖加入5 L 的PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗7min后取出备用;将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为110rmp的摇床上反应4.5h,最后使用70%的乙醇清洗1次,用去离子水清洗2次即得改性超滤膜;
其余同实施例1。
对比例2
本对比例与实施例1的区别在于: 1)制备改性超滤膜:
将2.5kg的5-羟基多巴胺盐酸加入5 L 的PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗7min后取出备用;将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为110rmp的摇床上反应4.5h,最后使用70%的乙醇清洗1次,用去离子水清洗2次即得改性超滤膜;
其余同实施例1。
对比例3
本对比例与实施例1的区别在于: 2)制备低共溶溶剂:
将2.7kg的二植酰磷脂酰胆碱加入5L的70%乙醇溶液中,然后升温至50℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂;
其余同实施例1。
对比例4
本对比例与实施例1的区别在于: 2)制备低共溶溶剂:
将2.7kg的2-(2-巯基苯并噻唑)琥珀酸加入5L的70%乙醇溶液中,然后升温至50℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂;
其余同实施例1。
对比例5
本对比例与实施例1的区别在于:4)紫背天葵70g、金银花120g、玄参100g、地黄80g、连翘65g、栀子65g、甜地丁65g、黄芩65g、龙胆65g、板蓝根65g、知母50g、麦冬50g;以上十二味药分别粉碎过40目筛,除金银花、黄芩、紫背天葵外,其余九味药混合后先加1.4L 40℃的蒸馏水水温浸1小时;
5)第一次煎煮1小时收集滤液,第二次加1.2L蒸馏水待煮沸后,再加入金银花、黄芩和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
其余同实施例1。
对比例6
本对比例与实施例1的区别在于:4)蟛蜞菊55g、金银花120g、玄参100g、地黄80g、连翘65g、栀子65g、甜地丁65g、黄芩65g、龙胆65g、板蓝根65g、知母50g、麦冬50g;以上十二味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊外,其余九味药混合后先加1.4L 40℃的蒸馏水水温浸1小时;
5)第一次煎煮1小时收集滤液,第二次加1.2L蒸馏水待煮沸后,再加入金银花、黄芩和蟛蜞菊,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
其余同实施例1。
实验:
1)分别检测各组样品在0、2、5个月时的澄清度,采用分光光度法测定各组样品中的总黄酮占原药材的比值,采用福林酚法测定各组样品中的总酚占原药材的比值,见表1;
2)采用UPLC法测定各组样品中的黄芩苷、连翘苷、栀子苷、龙胆苦苷的含量,见表2;
表1
表2
药效学实验:
1)选用广州南方医大实验动物科技发展有限公司购置的雄性小鼠, 8~9周龄,体重25-28 g;
2)实施例1-3、对比例5-6中所制备的样清热解毒口服液作为供试药物;
3)实验开始前对实验组小鼠使用甲型流感病毒 A/PR8/34进行滴鼻感染,空白对照组使用生理盐水滴鼻,所有组别均按照0.95ml/kg的比例进行灌胃给药,每天3次,间隔5h给药,对比给药前和给药7天后的症状,对给药24h的淋巴细胞数与中性粒细胞数进行检测,结果见表3。
表3
Claims (3)
1.一种清热解毒口服液的制备方法,其特征在于:由以下重量份的原料药组成:蟛蜞菊50-60份、紫背天葵65-75份、金银花120份、玄参100份、地黄80份、连翘65份、栀子65份、甜地丁65份、黄芩65份、龙胆65份、板蓝根65份、知母50份、麦冬50份;
制备方法为:
1)以上十三味药分别粉碎过40目筛,除金银花、黄芩、蟛蜞菊、紫背天葵外,其余九味药混合后先加1.3-1.5L 40℃的蒸馏水水温浸1小时;
2)第一次煎煮1小时收集滤液,第二次加1.1-1.3L蒸馏水待煮沸后,再加入金银花、黄芩、蟛蜞菊和紫背天葵,煎煮40分钟,滤过后收集滤渣a,合并两次滤液得粗提液a;
3)将上述滤渣a经低共熔溶剂提取,得苷类提取物和滤渣b,滤渣b再经发酵收集发酵滤液;
4)将上述粗提液a置于装有改性超滤膜的过滤装置中进行过滤,得到精提液a;
5)将上述精提液a与苷类提取物和发酵滤液混合均匀后制成医学所能接受的口服液制剂,即得;
所述的改性超滤膜的制备方法为:
a. 将1.5份的N-三甲基壳聚糖与1份的5-羟基多巴胺盐酸加入5份PH为8.8的Tris-HCl溶液中,搅拌均匀后即得改性溶液;
b. 将孔径为0.2μm的超滤膜裁剪为5*5cm大小的方形,然后置入等离子清洗机中在真空度为100Pa的条件下清洗6-8min后取出备用;
c. 将上述清洗后的超滤膜浸没在上述改性溶液中,然后向体系中通入氧气,然后在震动频率为100-120rmp的摇床上反应4-5h,最后使用70%的乙醇清洗1次,用去离子水清洗1-2次即得改性超滤膜。
2.如权利要求1所述的一种清热解毒口服液的制备方法,其特征在于:所述的苷类提取物的制备方法为:
A. 将上述滤渣a在40-50℃下烘干至含水量在4-7%,再将其放入粉碎机中粉碎至60目得滤渣a粉末;
B. 将上述滤渣a粉末和低共熔溶剂按1:13~15(g:mL)的液料比混合,然后在45℃下超声辅助提取40-50min,反应完后立即离心过滤得到滤渣b和粗提液b,在粗提液b中加入8倍量水,搅匀,使用40%的氢氧化钠将pH调至7,搅拌均匀后过滤,然后加等量乙醇,滤除杂质得精提液b;
C. 往上述精提液b中滴加浓盐酸至pH为1-2,搅拌均匀后50℃下保温30min,滤取沉淀,使用95%乙醇洗涤2-3次,干燥,得苷类提取物;
所述低共溶溶剂制备方法为:
将1份的二植酰磷脂酰胆碱和1.6-1.8份的2-(2-巯基苯并噻唑)琥珀酸加入4-6份的70%乙醇溶液中,然后升温至45~55℃,搅拌至体系为澄清透明溶液后即得低共熔溶剂。
3.如权利要求1所述的一种清热解毒口服液的制备方法,其特征在于:所述的发酵滤液的制备方法为:
i. 将上述滤渣b使用去离子水清洗4-6遍,沥干水分后在50-60℃下烘干至恒重,然后粉碎过60目筛即得发酵物料;
ii. 将上述发酵物料投入发酵罐中,加入发酵物料质量1-2%的复配菌液,并加入发酵物料质量6-7%的玉米粉作为碳源,最后加入与发酵物料质量体积比为2:1的去离子水,搅拌均匀后开始发酵,发酵5-7d后过滤杀菌即得发酵滤液;
所述复配菌液的制备方法为:将1份双歧杆菌、1份嗜酸乳杆菌、1份丁酸梭菌、1份酵母菌加入5份10%的红糖水中搅拌均匀,在温度为32-36℃的环境中放置12h即得复配菌液。
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