CN105998165A - 一种甘草颗粒的制备方法 - Google Patents

一种甘草颗粒的制备方法 Download PDF

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CN105998165A
CN105998165A CN201610573662.7A CN201610573662A CN105998165A CN 105998165 A CN105998165 A CN 105998165A CN 201610573662 A CN201610573662 A CN 201610573662A CN 105998165 A CN105998165 A CN 105998165A
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钟建
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Abstract

本发明公开了一种甘草颗粒的制备方法,包括以下步骤:(1)将甘草粉采用超临界萃取得挥发油;(2)将甘草药渣加入乙醇中浸泡,然后回流提取,再将提取液浓缩为甘草清膏;(3)将挥发油和甘草清膏混合,再喷雾干燥,得到甘草喷雾干燥粉;(4)取生姜、地黄和桂枝,加水煎煮,然后将煎液浓缩,再将浓缩液喷雾干燥,得到辅药喷雾干燥粉;(5)将甘草喷雾干燥粉和辅药喷雾干燥粉混合,加入辅料,制粒,干燥,即得甘草颗粒。本发明采用多种提取方法综合提取甘草有效成分,提取充分彻底,提取效率高,提取时间短,再与辅药提取的有效成分混合,制备的甘草颗粒有效成分含量高,在兽医临床中主要用于各种病因引起的气喘咳嗽、咽喉肿痛等。

Description

一种甘草颗粒的制备方法
技术领域
本发明属于医药加工技术领域,特别涉及一种甘草颗粒的制备方法。
背景技术
甘草为豆科(Zeguminosae)植物甘草(Glycyrrhiza uralensis Fisch)、胀果甘草(Glycyrrhiza infInta Bat.)和光果甘草(Glycyrrhia glabra L.)的根及根茎,始载于《神农本草经》,列为上品,传统中医药认为它具有补脾益气、清热解毒、祛痰止咳、缓急止痛、调和药性的功效。甘草有类似肾上腺皮质激素作用,对组胺引起的胃酸分泌过多有抑制作用,并有抗酸和缓解胃肠平滑肌痉挛的作用,祛痰效果明显。另外,还有抗炎、抗过敏作用,能保护发炎的咽喉和气管粘膜。
甘草颗粒为一种纯中药制剂,具有祛痰止咳功能,在治疗动物呼吸道类疾病时疗效甚好,适用于猪流行性感冒、圆环病毒病、蓝耳病、传染性胃肠炎、流行性腹泻、鸡传染性法氏囊病、传染性喉气管炎、传染性支气管炎、禽痘、流感及各种并发感染等。
中华人民共和国兽药典(2010年版二部)公开了一种制备甘草颗粒的方法:取甘草,湿润,切片加水煎煮3次,每次32h,合并煎液。放置过夜使沉淀,取上清液浓缩至稠膏状,取出适量,按(含量测定)项下的方法,测定甘草酸的含量,调节使符合规定,即得甘草浸膏。取甘草浸膏,加入适量的蔗糖、糊精、混匀,制粒,干燥,即得。
但是,使用该方法制备甘草颗粒的提取工艺提取效率低,有效成分提取不充分,生产周期较长,糖分含量高。
发明内容
本发明的发明目的在于:针对现有技术存在的问题,提供一种甘草颗粒的制备方法,提取甘草有效成分效率高,提取时间短,提取充分彻底,制备的甘草颗粒有效成分含量高。
为了实现上述目的,本发明采用的技术方案为:
一种甘草颗粒的制备方法,包括以下步骤:
(1)将甘草洗净、烘干、粉碎,然后将甘草粉采用超临界萃取得挥发油,萃取条件为:采用CO2萃取,萃取压力为5~10Mpa,萃取温度为10~20℃;
(2)将步骤(1)超临界萃取剩下的甘草药渣加入乙醇中,30~50℃浸泡30~60min,然后60~80℃回流提取120~180min,再将提取液浓缩为甘草清膏;
(3)将步骤(1)得到的挥发油和步骤(2)得到的甘草清膏混合,再喷雾干燥,得到甘草喷雾干燥粉;
(4)按照1:2:1.5的重量比称取生姜、地黄和桂枝,加水煎煮,然后将煎液浓缩,再将浓缩液喷雾干燥,得到辅药喷雾干燥粉;
(5)将步骤(3)得到的甘草喷雾干燥粉和步骤(4)得到的辅药喷雾干燥粉按照1:2的重量比混合,加入聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖,制粒,干燥,即得甘草颗粒。
作为本发明的优选方案,所述步骤(2)中,加入乙醇的重量为甘草药渣重量的5~10倍。
作为本发明的优选方案,所述步骤(4)中,先将生姜、地黄和桂枝混合粉碎后,再加水煎煮两次,合并两次煎液。
作为本发明的优选方案,所述步骤(5)中,加入的聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖与甘草喷雾干燥粉的重量比为0.2:0.2:0.5:0.5:1。
本发明的有益效果在于:
本发明采用多种提取方法综合提取甘草有效成分,提取充分彻底,提取效率高,提取时间短,再与辅药提取的有效成分混合,制备的甘草颗粒有效成分含量高,在兽医临床中主要用于各种病因引起的气喘咳嗽、咽喉肿痛等。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚,下面将对本发明的优选实施例进行详细的描述。
实施例1
一种甘草颗粒的制备方法,包括以下步骤:
(1)将甘草洗净、烘干、粉碎,然后将甘草粉采用超临界萃取得挥发油,萃取条件为:采用CO2萃取,萃取压力为5Mpa,萃取温度为15℃;
(2)将步骤(1)超临界萃取剩下的甘草药渣加入8倍重量的乙醇中,40℃浸泡50min,然后70℃回流提取180min,再将提取液浓缩为甘草清膏;
(3)将步骤(1)得到的挥发油和步骤(2)得到的甘草清膏混合,再喷雾干燥,得到甘草喷雾干燥粉;
(4)按照1:2:1.5的重量比称取生姜、地黄和桂枝,先混合粉碎后,再加水煎煮两次,合并两次煎液,然后将煎液浓缩,再将浓缩液喷雾干燥,得到辅药喷雾干燥粉;
(5)将步骤(3)得到的甘草喷雾干燥粉和步骤(4)得到的辅药喷雾干燥粉按照1:2的重量比混合,加入聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖,聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖与甘草喷雾干燥粉的重量比为0.2:0.2:0.5:0.5:1,制粒,干燥,即得甘草颗粒。
实施例2
一种甘草颗粒的制备方法,包括以下步骤:
(1)将甘草洗净、烘干、粉碎,然后将甘草粉采用超临界萃取得挥发油,萃取条件为:采用CO2萃取,萃取压力为10Mpa,萃取温度为10℃;
(2)将步骤(1)超临界萃取剩下的甘草药渣加入10倍重量的乙醇中,50℃浸泡50min,然后80℃回流提取120min,再将提取液浓缩为甘草清膏;
(3)将步骤(1)得到的挥发油和步骤(2)得到的甘草清膏混合,再喷雾干燥,得到甘草喷雾干燥粉;
(4)按照1:2:1.5的重量比称取生姜、地黄和桂枝,先混合粉碎后,再加水煎煮两次,合并两次煎液,然后将煎液浓缩,再将浓缩液喷雾干燥,得到辅药喷雾干燥粉;
(5)将步骤(3)得到的甘草喷雾干燥粉和步骤(4)得到的辅药喷雾干燥粉按照1:2的重量比混合,加入聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖,聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖与甘草喷雾干燥粉的重量比为0.2:0.2:0.5:0.5:1,制粒,干燥,即得甘草颗粒。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管通过参照本发明的优选实施例已经对本发明进行了描述,但本领域的普通技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离所附权利要求书所限定的本发明的精神和范围。

Claims (4)

1.一种甘草颗粒的制备方法,其特征在于:包括以下步骤:
(1)将甘草洗净、烘干、粉碎,然后将甘草粉采用超临界萃取得挥发油,萃取条件为:采用CO2萃取,萃取压力为5~10Mpa,萃取温度为10~20℃;
(2)将步骤(1)超临界萃取剩下的甘草药渣加入乙醇中,30~50℃浸泡30~60min,然后60~80℃回流提取120~180min,再将提取液浓缩为甘草清膏;
(3)将步骤(1)得到的挥发油和步骤(2)得到的甘草清膏混合,再喷雾干燥,得到甘草喷雾干燥粉;
(4)按照1:2:1.5的重量比称取生姜、地黄和桂枝,加水煎煮,然后将煎液浓缩,再将浓缩液喷雾干燥,得到辅药喷雾干燥粉;
(5)将步骤(3)得到的甘草喷雾干燥粉和步骤(4)得到的辅药喷雾干燥粉按照1:2的重量比混合,加入聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖,制粒,干燥,即得甘草颗粒。
2.根据权利要求1所述的甘草颗粒的制备方法,其特征在于:所述步骤(2)中,加入乙醇的重量为甘草药渣重量的5~10倍。
3.根据权利要求1所述的甘草颗粒的制备方法,其特征在于:所述步骤(4)中,先将生姜、地黄和桂枝混合粉碎后,再加水煎煮两次,合并两次煎液。
4.根据权利要求1所述的甘草颗粒的制备方法,其特征在于:所述步骤(5)中,加入的聚乙烯吡咯烷酮、羟丙基纤维素、麦芽糊精和蔗糖与甘草喷雾干燥粉的重量比为0.2:0.2:0.5:0.5:1。
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