CN107669957B - 一种防治动物包虫病的复方中药提取物及其应用 - Google Patents

一种防治动物包虫病的复方中药提取物及其应用 Download PDF

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CN107669957B
CN107669957B CN201711193798.6A CN201711193798A CN107669957B CN 107669957 B CN107669957 B CN 107669957B CN 201711193798 A CN201711193798 A CN 201711193798A CN 107669957 B CN107669957 B CN 107669957B
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chinese medicine
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fruit
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何斌
常瑛
刘武
边巴次仁
陈洁
尼玛仓决
金尔光
赤列旺久
邵志勇
曲珍
措姆措吉
华娟
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Shannan Naidong Agriculture And Animal Husbandry Integrated Service Center
Wuhan Academy of Agricultural Sciences
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Wuhan Academy of Agricultural Sciences
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Abstract

本发明涉及兽用复方中药技术领域,具体公开了一种防治动物包虫病的复方中药提取物及其制备方法和应用。本发明的复方中药提取物由槟榔、南瓜子、蛇床子、雷丸、贯众、南鹤虱、广木香、地丁草、百部、大黄、白术、神曲、山药、柴胡、瓜蒌、甘草16味中药按照一定的配比经一定的工艺制备而成。本发明所得药物提取物适用于动物包虫病的防治,方法简明,易于实施,绿色安全,疗效显著,有效避免了因抗微生物所引起的药物残留及耐药性,具有较好的经济效益和社会效益。

Description

一种防治动物包虫病的复方中药提取物及其应用
技术领域
本发明涉及兽用复方中药技术领域,尤其涉及一种防治动物包虫病的复方中药提取物及其制备方法和应用。
背景技术
包虫病是由棘球绦虫的幼虫寄生于动物和人的肝、肺、脑及其他器官内所引起的一种人畜共患病,狗为终宿主,羊、牛是中间宿主,人因误食虫卵成为中间宿主而患包虫病,农业部将其列入二类动物疫病,卫计委将其列入丙类传染病。根据世界卫生组织的相关资料,人未经治疗的泡型包虫患者10年病死率到达94%,被称为“虫癌”。据农业部流行病学调查数据推算,全国每年患包虫病的家畜在5000万头以上,局部地区羊的棘球蚴感染率为80%以上,因家畜死亡和脏器废弃造成的直接经济损失逾30亿元,西藏是全国包虫病防治重点省份之一,国家卫计委确定全区74个县均为包虫病流行县。根据2016年西藏自治区对22个试点县监测结果显示,牛平均感染率为13.6%、羊平均感染率为44.72%、犬感染率为4.09%。感染包虫病的牲畜出现生产性能下降,甚至死亡,给农牧民造成严重经济损失。包虫病已成为制约传统牧区畜牧业发展、严重危害人畜健康和食品安全的重大公共卫生问题。
目前,药物仍然是防治动物包虫病的主要手段。临床常用药物比较单一,主要为吡喹酮和阿苯达唑,驱虫效果不够理想,使用时间长,停药后易复发,导致动物生产性能受到严重影响;大剂量的药物使用不仅对机体产生了毒害作用,而且容易在畜产品中造成残留,带来食品安全问题。因此,开发新型的驱虫效果好、抗药性小、绿色安全低毒的驱虫药,不仅对畜牧业的发展,而且对人类的健康有重要意义。
发明内容
针对现有技术中存在的不足,本发明旨在提供一种预防和治疗动物包虫病的复方中药提取物及其制备方法和应用,通过选择合适的药材及其配比并制定其成药的提取方法,达到安全有效治疗和预防动物包虫疾病并使其适用在临床上推广应用的目的。
为了达到上述目的,本发明采用以下技术方案:
一种预防和治疗动物包虫病的复方中药提取物,由以下重量份配比的中药材制备而成:
Figure BDA0001481569300000021
最佳的,所述复方中药提取物由以下重量份配比的中药材制备而成:槟榔20份、南瓜子90份、蛇床子30份、雷丸20份、贯众10份、南鹤虱10份、广木香25份、地丁草60份、百部15份、大黄20份、白术20份、神曲25份、山药30份、柴胡10份、瓜蒌15份、甘草20份。
所述复方中药提取物的制备方法步骤如下:
称取所述重量份的各中药材,混合,加入各中药材总重量2-3倍的60-65℃的水浸泡1小时后,再加入无水乙醇使乙醇水溶液的浓度为50v/v%,浸泡5小时后,回流提取4小时,收集提取液,然后再加入50v/v%的乙醇水溶液,浸泡5小时,回流提取4小时,加入的水、无水乙醇和50v/v%乙醇水溶液总体积与各原料中药材总重量的比为10mL:1g,然后收集两次的提取液减压浓缩,浓缩后的料液体积与各原料中药材总重量的比为(1-2)mL:1g,喷雾干燥,收粉,粉碎,过50目筛,混匀,即得产物。
本发明根据中华传统中兽医医药理论、中华“瑰宝”中草药特性和动物包虫病的发生机理为指导,按照中药的君臣佐使、七情配伍等原则严谨配方,诸药配合具有驱虫杀虫、清热燥湿、补气健脾疏肝化瘀等功效,使其分工明确,各司其职;同时,本发明中各中药材是在大量临床试验中逐一筛选出来的,最终得到一种预防和治疗动物包虫病的复方中药提取物及其制备方法和应用。
本发明药理作用:按照中兽医辨证理论原则,动物包虫病为湿热内蕴、结于脏腑所致,本发明中槟榔、南瓜子、蛇床子、雷丸、贯众、南鹤虱为驱虫杀虫之功效;广木香、地丁草、百部、大黄、白术、神曲、山药为补中益气,健脾燥湿、行气消积、疏肝肺而化瘀之功效。诸药配合具有驱虫杀虫、清热燥湿、补气健脾疏肝化瘀等功效。
与现有技术相比,本发明的优势在于:
1、本发明提供了一种纯中药复方提取物制剂,有效解决了当前化药防治动物包虫病出现的系列问题,提供了一种有效防治动物包虫病的新型方法;
2、提取物为纯中药制剂,低毒高效,不涉及药物残留,符合当前生态、安全、绿色的畜牧业生产需要和人们对畜产品的消费要求;
3、将药物制成中药提取物,使用方便,有效地解决了化药味苦、难以消化和吸收的问题,易吸收,且吸收快,能够迅速起到治疗的目的,疗效时间长;
4、预防和治愈率高,临床试验达到了90%的治愈率。
具体实施方式
为了使本领域技术人员更好地理解和实施本发明,下面结合具体实施例进一步说明本发明。但以下内容不应在任何程度上被理解为对本发明权利要求书请求保护范围的限制。
实施例1
一种预防和治疗动物包虫病的复方中药提取物,由以下重量份配比的中药材制备而成:槟榔20份、南瓜子90份、蛇床子30份、雷丸20份、贯众10份、南鹤虱10份、广木香25份、地丁草60份、百部15份、大黄20份、白术20份、神曲25份、山药30份、柴胡10份、瓜蒌15份、甘草20份。
称取所述重量份的各中药材,混合,加入各中药材总重量2.5倍的60-65℃的水浸泡1小时后,加入无水乙醇使乙醇水溶液的浓度为50v/v%,浸泡5小时后,回流提取4小时,收集提取液,然后再加入50v/v%的乙醇水溶液,浸泡5小时,回流提取4小时,加入的水、无水乙醇和50v/v%乙醇水溶液的总体积与各原料中药材总重量的比为10mL:1g,然后合并两次提取液,减压浓缩,浓缩后的料液体积与原料各中药材总重量的比为1.5mL:1g,最后喷雾干燥,收粉,粉碎,过50目筛,混匀,即得。
实施例2
一种预防和治疗动物包虫病的复方中药提取物,由以下重量份配比的中药材制备而成:槟榔10份、南瓜子70份、蛇床子10份、雷丸10份、贯众5份、南鹤虱5份、广木香15份、地丁草30份、百部10份、大黄10份、白术10份、神曲15份、山药10份、柴胡5份、瓜蒌5份、甘草10份。
按实施例1的制备方法制备复方中药提取物。
实施例3
一种预防和治疗动物包虫病的复方中药提取物,由以下重量份配比的中药材制备而成:槟榔30份、南瓜子100份、蛇床子40份、雷丸40份、贯众40份、南鹤虱30份、广木香40份、地丁草90份、百部25份、大黄40份、白术30份、神曲35份、山药60份、柴胡15份、瓜蒌15份、甘草30份。
按实施例1的制备方法制备复方中药提取物。
实施例4
一种预防和治疗动物包虫病的复方中药提取物,由以下重量份配比的中药材制备而成:槟榔60份、南瓜子140份、蛇床子50份、雷丸50份、贯众70份、南鹤虱30份、广木香60份、地丁草100份、百部30份、大黄45份、白术50份、神曲40份、山药80份、柴胡20份、瓜蒌20份、甘草60份。
按实施例1的制备方法制备复方中药提取物。
为了确定最佳用量配比组合,本发明进行了临床疗效试验,进行验证说明:
试验1
采取自然发病羊肝肺部的棘球蚴,饲喂检测包虫病阴性、并经过驱虫处理的成年犬,每天采取狗粪便进行镜检,若有大量虫卵排出,及时采集粪便后,保存在生理盐水中,然后饲喂给健康断奶羔羊。
将感染了包虫病的病羊分为6组,每组10头,对以上6组病羊进行30天的给药治疗,观察并记录其体重变化及痊愈状况,其中第1-4组分别使用实施例1-4中制备的提取物,按照30mg/kg体重(以提取物计量)内服给药(每日一次);第5组为吡喹酮组,按照20mg/kg体重内服给药(每日一次);第6组为空白对照组。结果如表1所示。
表1
Figure BDA0001481569300000051
由上表可以看出,使用本发明中药提取物的病羊,经30天的治疗后,有70%以上的治愈率,均高于吡喹酮对照药物组,使用实施例1提取物的病羊治愈率达到90%,并且体重有明显增长。空白对照组的病羊无法自愈,且平均体重降低了0.4kg。因此,本发明的中药提取物对治疗羊包虫病,效果良好。
为了验证本发明结合临床治疗效果,进一步进行试验验证:
试验2
试验动物:2017年6月,西藏山南市某牦牛群发生包虫病,收集牦牛粪便,通过镜检虫体选取60头带虫牦牛进行对比治疗试验。每组20头,分为吡喹酮、阿苯达唑、实施例1制备的提取物3组。
治疗措施:吡喹酮组按照20mg/kg体重内服给药(每日一次),阿苯达唑组按照15mg/kg体重内服给药(每日一次),本发明实施例1制备的提取物按照30mg/kg体重(以提取物计量)内服给药(每日一次),连续治疗28天。具体试验情况见表2:
表2
Figure BDA0001481569300000061
试验结果表明,本发明的最优组方(实施例1)提取物对牦牛包虫病具有较好的临床治疗效果,治愈率达到90%。
试验3
试验动物:2017年7月,收集西藏山南市乃东区带虫犬60只,按照每组20头,分为吡喹酮、阿苯达唑、实施例1制备的提取物3组进行治疗对比试验。
治疗措施:吡喹酮组按照10mg/kg体重内服给药(每日一次),阿苯达唑组按照25mg/kg体重内服给药(每日一次),本发明实施例1制备的提取物按照40mg/kg体重(以提取物计量)内服给药(每日一次),连续治疗28天。具体试验情况见表3:
表3
Figure BDA0001481569300000062
试验结果表明,本发明的最优组方(实施例1)提取物对犬包虫病具有较好的临床治疗效果,治愈率达到90%。

Claims (7)

1.一种预防和治疗动物包虫病的复方中药提取物,其特征在于,所述复方中药提取物由以下重量份配比的中药材制备而成:
槟榔6-60份,
南瓜子60-150份,
蛇床子10-60份,
雷丸10-60份,
贯众3-90份,
南鹤虱3-30份,
广木香10-60份,
地丁草30-120份,
百部3-30份,
大黄10-60份,
白术6-60份,
神曲10-60份,
山药10-90份,
柴胡5-20份,
瓜蒌6-20份,
甘草6-60份。
2.如权利要求1所述的复方中药提取物,其特征在于,所述复方中药提取物由以下重量份配比的中药材制备而成:槟榔20份、南瓜子90份、蛇床子30份、雷丸20份、贯众10份、南鹤虱10份、广木香25份、地丁草60份、百部15份、大黄20份、白术20份、神曲25份、山药30份、柴胡10份、瓜蒌15份、甘草20份。
3.一种权利要求1或2所述的复方中药提取物的制备方法,其特征在于,所述制备方法的步骤如下:
称取所述重量份的各中药材,混合,加入各中药材总重量2-3倍的60-65℃的水浸泡1小时后,加入无水乙醇使乙醇水溶液的浓度为50v/v%,浸泡5小时后,回流提取4小时,收集提取液;然后再加入50v/v%的乙醇水溶液,浸泡5小时,回流提取4小时,加入的水、无水乙醇和50v/v%乙醇水溶液总体积与各原料中药材总重量的比为10mL:1g,然后收集两次的提取液减压浓缩,浓缩后的料液体积与各中药材总重量的比为1-2mL:1g,最后喷雾干燥,收粉,粉碎,过50目筛,混匀。
4.权利要求1或2所述的复方中药提取物在制备预防和治疗动物包虫病的药物中的应用。
5.根据权利要求4所述的应用,其特征在于:所述动物为牛、羊、犬。
6.根据权利要求3所述的制备方法得到的复方中药提取物在制备预防和治疗动物包虫病的药物中的应用。
7.根据权利要求6所述的应用,其特征在于:所述动物为牛、羊、犬。
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Publication number Priority date Publication date Assignee Title
CN1205215A (zh) * 1997-07-10 1999-01-20 张富永 消虫散
CN103860715A (zh) * 2013-05-16 2014-06-18 武汉市畜牧兽医科学研究所 一种防治家禽球虫病的复方中药提取物及其应用
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CN107007779A (zh) * 2017-03-22 2017-08-04 长沙瑞多康生物科技有限公司 一种预防猪棘球蚴病的组合物

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1205215A (zh) * 1997-07-10 1999-01-20 张富永 消虫散
CN103860715A (zh) * 2013-05-16 2014-06-18 武汉市畜牧兽医科学研究所 一种防治家禽球虫病的复方中药提取物及其应用
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