CN105596340A - 一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法 - Google Patents

一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法 Download PDF

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CN105596340A
CN105596340A CN201610061949.1A CN201610061949A CN105596340A CN 105596340 A CN105596340 A CN 105596340A CN 201610061949 A CN201610061949 A CN 201610061949A CN 105596340 A CN105596340 A CN 105596340A
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黄利文
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Abstract

本发明公开了一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法,属于兽药制剂领域。一种甲基盐霉素、尼卡巴嗪干混悬制剂,由甲基盐霉素、尼卡巴嗪、助悬剂、溶剂、矫味剂、载体组成,解决了甲基盐霉素、尼卡巴嗪预混剂难溶于水,不能通过水溶后使用的缺陷。

Description

一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法
技术领域
本发明属于兽药制剂领域,具体涉及一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法。
背景技术
甲基盐霉素对球虫的活性峰期是子孢子和第一、第二代裂殖体,尼卡巴嗪对球虫的活性峰期是第二代裂殖体。据报道,两药合用呈现协同作用,能使抗球虫效果增强,对鸡的柔嫩、毒害、堆型、布氏和巨型艾美耳球虫均有效。两药合用使各药用量降低,其毒性也就下降。
甲基盐霉素、尼卡巴嗪预混剂由美国礼来公司研发生产,规格为:100g:甲基盐霉素8g+尼卡巴嗪8g,该预混剂是由甲基盐霉素、尼卡巴嗪与米糠、玉米芯等辅料配制而成,不溶于水,因此限制了该复方制剂的使用。
发明内容
为克服现有技术不足,本发明提供了一种甲基盐霉素、尼卡巴嗪干混悬剂。
为实现上述目的,本发明的技术方案是这样实现的:
一种甲基盐霉素、尼卡巴嗪干混悬剂,由甲基盐霉素、尼卡巴嗪、助悬剂、矫味剂、溶剂、载体组成,其特征在于,所述溶剂为二甲基乙酰胺和邻苯二甲酸二甲酯的混合液。
进一步,所述二甲基乙酰胺和邻苯二甲酸二甲酯的混合液比例8:2~5:5。
进一步,所述的甲基盐霉素的含量为8%,尼卡巴嗪的含量为8%。
进一步,所述载体包括糊精、可溶性淀粉、无水糖、乳糖或其组合物。
进一步,所述助悬剂包括卡波姆、阿拉伯胶粉、西黄芪胶、羧甲基纤维素钠、羟丙基纤维、海藻酸钠、微晶纤维素或其组合。
进一步,所述的矫味剂为三氯蔗糖、阿斯巴甜、蔗糖、草莓香精、柠檬酸三钠中的一种或其组合。
进一步,所述的助悬剂重量百分比为1-10%、矫味剂重量百分比为0.1-2%、溶剂重量百分比为5-30%、余量为载体。
本发明的另一目的是提供一种甲基盐霉素、尼卡巴嗪干混悬剂的制备方法。为了实现此目的,本发明是通过以下技术方案实现的,包括以下步骤:
(1)制备澄清溶液:按重量百分数精确称量甲基盐霉素、尼卡巴嗪,加入处方量的溶剂,搅拌,使甲基盐霉素、尼卡巴嗪溶解完全,得澄清溶液,所述溶剂为谷氨酸溶液。
(2)混合:往溶液中先后加入处方量的矫味剂、助悬剂、载体,混合均匀;
(3)制备干混悬剂:将步骤(2)制备的混合物过筛,恒温箱烘干,再过筛即可。
本发明有益效果
本发明通过使用二甲基乙酰胺和邻苯二甲酸二甲酯的混合液将甲基盐霉素、尼卡巴嗪溶解,再与其他助悬剂、矫味剂、载体混合均匀,制备成干混悬剂,使甲基盐霉素、尼卡巴嗪在应用时可长时间混悬在水溶液中,方便饮水给药,解决了甲基盐霉素、尼卡巴嗪预混剂难溶于水,不能通过水溶后使用的缺陷。本发明提供的甲基盐霉素、尼卡巴嗪干混悬剂制备方法简单,易于实现工业化生产。
具体实施方式
实施例1处方如下:
甲基盐霉素8%、尼卡巴嗪8%、羧甲基纤维素钠1%、阿斯巴甜0.1%、二甲基乙酰胺和邻苯二甲酸二甲酯的混合液5%(二甲基乙酰胺和邻苯二甲酸二甲酯=8:2)、可溶性淀粉补齐。
实施例2处方如下:
甲基盐霉素8%、尼卡巴嗪8%、海藻酸钠10%、柠檬酸三钠2%、二甲基乙酰胺和邻苯二甲酸二甲酯的混合液20%(二甲基乙酰胺和邻苯二甲酸二甲酯=6:4)、无水糖补齐。
实施例3处方如下:
甲基盐霉素8%、尼卡巴嗪8%、阿拉伯胶粉占比为80%的阿拉伯胶粉与西黄芪胶的混合物5%、三氯蔗糖1%、二甲基乙酰胺和邻苯二甲酸二甲酯的混合液30%(二甲基乙酰胺和邻苯二甲酸二甲酯=5:5)、糊精百分比为30%的糊精与无水糖的混合物补齐。
实施例1~3制备方法如下:
(1)制备澄清溶液:按重量百分数精确称量甲基盐霉素、尼卡巴嗪,加入处方量的溶剂,搅拌,使甲基盐霉素、尼卡巴嗪溶解完全,得澄清溶液;
(2)混合:往溶液中先后加入处方量的矫味剂、载体、助悬剂,混合均匀;
(3)制备干混悬剂:将步骤(2)制备的混合物过筛,恒温箱烘干,再过筛即可。
以下通过具体试验例对本发明做进一步的说明和解释。
试验例1:以下为甲基盐霉素、尼卡巴嗪干混悬剂产品的沉降体积比试验
试验药物:实施例1~3制备的甲基盐霉素、尼卡巴嗪干混悬剂。
试验方法:沉降体积比按照《中国兽药典》2010年版二部要求的沉降体积比检测方法进行。
试验结果:见下表1:
表1甲基盐霉素、尼卡巴嗪干混悬剂沉降体积比结果
实验样品 沉降体积比
实施例1 0.93
实施例2 0.90
实施例3 0.93
由表1结果可知,本发明沉降体积比高,溶于水后,混悬效果佳。
试验例2疗效试验
试验动物:患有鸡球虫病的20日龄鸡。
试验药物:实施例3,以及市售的甲基盐霉素、尼卡巴嗪干混悬剂。
试验方法:设置3组,试验1组为实施例3,混饮,将15g实施例3加入1吨水中,连用3天;试验2组为甲基盐霉素、尼卡巴嗪干混悬剂对照组,混饲,将30g市售甲基盐霉素、尼卡巴嗪干混悬剂混入500kg饲料中,连用3天;试验3组为空白组,不做任何药物处理,正常饲喂。
试验结果:
表2实施例3对鸡球虫病的治疗效果
组别 治愈率(%) 有效率(%) 无效率(%)
实施例3组 84 92 8
甲基盐霉素、尼卡巴嗪干混悬剂对照组 80 87 13
空白组 8 23 77
从实验结果可知,实施例3治疗效果明显与甲基盐霉素、尼卡巴嗪干混悬剂对照组稍好,但差异不显著,且二者均显著优于空白组。说明本发明实施例3对鸡球虫病防治效果佳。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种甲基盐霉素、尼卡巴嗪干混悬剂,由甲基盐霉素、尼卡巴嗪、助悬剂、矫味剂、溶剂、载体组成,其特征在于,所述溶剂为二甲基乙酰胺和邻苯二甲酸二甲酯的混合液。
2.根据权利要求1所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,所述二甲基乙酰胺和邻苯二甲酸二甲酯的混合液比例8:2~5:5。
3.根据权利要求1或2所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,甲基盐霉素的含量为8%,尼卡巴嗪的含量为8%。
4.根据权利要求1所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,所述载体包括糊精、可溶性淀粉、无水糖、乳糖或其组合物。
5.根据权利要求1所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,所述助悬剂包括卡波姆、阿拉伯胶粉、西黄芪胶、羧甲基纤维素钠、羟丙基纤维、海藻酸钠、微晶纤维素或其组合。
6.根据权利要求1所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,所述的矫味剂为三氯蔗糖、阿斯巴甜、蔗糖、草莓香精、柠檬酸三钠中的一种或其组合。
7.根据权利要求1~6任一项所述的甲基盐霉素、尼卡巴嗪干混悬剂,其特征在于,所述的助悬剂重量百分比为1-10%、矫味剂重量百分比为0.1-2%、溶剂重量百分比为5-30%、余量为载体。
8.一种甲基盐霉素、尼卡巴嗪干混悬剂的制备方法,其特征在于,包括以下步骤:
(1)制备澄清溶液:按重量百分数精确称量甲基盐霉素、尼卡巴嗪,加入处方量的溶剂,搅拌,使甲基盐霉素、尼卡巴嗪溶解完全,得澄清溶液,所述溶剂为谷氨酸溶液。
(2)混合:往溶液中先后加入处方量的矫味剂、助悬剂、载体,混合均匀;
(3)制备干混悬剂:将步骤(2)制备的混合物过筛,恒温箱烘干,再过筛即可。
CN201610061949.1A 2016-01-29 2016-01-29 一种甲基盐霉素、尼卡巴嗪干混悬剂及其制备方法 Pending CN105596340A (zh)

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CN117357652A (zh) * 2023-12-08 2024-01-09 四川大学华西医院 一种用于治疗癌症的联合用药物及其药物组合物及其用途

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