CN110664948B - 一种驱蚊虫的中药组合物、制备方法及其应用 - Google Patents

一种驱蚊虫的中药组合物、制备方法及其应用 Download PDF

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CN110664948B
CN110664948B CN201911021167.5A CN201911021167A CN110664948B CN 110664948 B CN110664948 B CN 110664948B CN 201911021167 A CN201911021167 A CN 201911021167A CN 110664948 B CN110664948 B CN 110664948B
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常小荣
刘迈兰
黎铭玉
刘密
刘琼
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Hunan University of Chinese Medicine
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Abstract

本发明公开了一种驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶15‑18%、丁香15‑20%、白芷8‑12%、紫苏叶5‑10%、薄荷5‑7%、石菖蒲12‑15%、藿香3‑6%、金银花8‑12%、芦根2‑5%、玄参3‑6%、槐米5‑8%。本发明在现有原料的基础上加入芦根、玄参和槐米这3味药材,得到的驱蚊中药组合物其驱蚊效果优异,并且还具有止痒、杀菌、舒缓肌肤功能等功效。

Description

一种驱蚊虫的中药组合物、制备方法及其应用
技术领域
本发明属于药物技术领域,具体涉及一种驱蚊虫的中药组合物、制备方法及其应用。
背景技术
夏季天气炎热,蚊虫活动频繁,经常骚扰人民正常的生活起居。除直接的叮刺、骚扰外,蚊虫的主要危害在于能传播多种疾病。蚊虫可传播的病毒有疟疾、登革热、丝虫病和乙型脑炎等80多种疾病。据估计,每年约有7亿人被蚊虫传染各种疾病,且每17人中就有1人死于被蚊虫传染的疾病。
目前市场上最常用的驱蚊产品是蚊香和杀虫气雾剂。大多数蚊香的有效成分是除虫菊脂类杀虫剂,除虫菊酯为中等毒或低毒物质,对人神经系统影响较大,长期接触会引起头晕、头疼、神经感觉异常甚至神经麻痹等症状。蚊香点燃后,会产生超细微粒(直径小于2.5微米的颗粒物质),这些超细微粒会随着呼吸进入肺里,短期内可能引发哮喘,长期则可能引发癌症。而且蚊香多数还含有多环芳香烃(致癌物)、羰基化合物、苯,长期接触这些物质对人体危害非常大。杀虫气雾剂不仅杀虫成分对人体有毒,而且辅助成分中的苯及其同系物会损害人体的血液循环系统,有诱发骨髓和白血病的潜在危险。
为了解决现有化学驱蚊剂对人体的危害,特别是对于孕妇、老人、小孩等敏感人群危害,以及其使用带来的污染环境等问题,目前已有将植物提取物作为人体用蚊虫驱避剂的研究报道,如专利申请号CN201610730512.2中公开了一种中药驱蚊组合物,组成包括:青蒿精油2~5份;桉叶精油2~5份;柏木精油1~2份;樟叶精油1~2份;去离子水60~70份;增溶剂0.5~2份。但研究表明,单纯利用这些植物提取物作为蚊虫驱避剂效果并不是很理想,在实际产品中经常是在加入植物提取物的同时仍添加有一定量的合成驱避剂如DMP等,另外,此种中药驱蚊组合物仅具有所宣称的驱蚊的单一效果。
发明内容
本发明的目的是克服现有技术的不足,提供一种驱蚊虫的中药组合物、制备方法及其应用。
本发明提供了一种驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶15-18%、丁香15-20%、白芷8-12%、紫苏叶5-10%、薄荷5-7%、石菖蒲12-15%、藿香3-6%、金银花8-12%、芦根2-5%、玄参3-6%、槐米5-8%。
优选的,本发明所述驱蚊虫的中药组合物由以下重量百分含量的原料药制成:艾叶17%、丁香15%、白芷8%、紫苏叶7%、薄荷7%、石菖蒲14%、藿香6%、金银花10%、芦根5%、玄参5%、槐米6%。
本发明还提供了一种驱蚊虫的中药组合物的制备方法,包括以下步骤:
1)按照权利要求1或2的配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物。
优选的,步骤1)中所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%。
优选的,步骤1)所述乙醇和盐酸混合溶液的质量与各原料药的总质量比为4-6:1。
优选的,步骤2)所述第二次提取加入90%的乙醇和滤渣Ⅰ的质量比为5-6:1。
优选的,步骤3)所述第三次提取加入80%的乙醇和滤渣Ⅱ的质量比为5-6:1。
优选的,所述中药组合物在制备驱蚊制剂中的应用。
优选的,所述驱蚊制剂为露剂、喷雾剂或膏剂。
根据使用途径的不同,本发明组合物制成外用制剂,如外用喷雾剂、膏剂、搽剂或露剂等。但不局限于上述剂型,可按照中药剂型和护肤品工业领域中已知的方法,将上述药物组合物按已知方法除菌后制成各种不同的外用制剂。
现有的驱蚊中药组合物中已有将植物提取物作为人体用蚊虫驱避剂,常用的是青蒿、桉叶、柏木、樟叶、艾叶、丁香、菖蒲等,但是通过研究发现,以这些植物或者植物提取物得到的驱蚊中药组合物,其驱蚊效果不佳,仍添加有一定量的合成驱避剂如DMP等,另外,此种中药驱蚊组合物仅具有所宣称的驱蚊单一效果,利用范围窄。
本发明根据驱蚊的机理,以中医科学理论为基础,以皮肤健康为宗旨,根据君、臣、佐、使的中医组方思想,从天然中草药植物中选出艾叶、丁香、白芷、紫苏叶、薄荷、石菖蒲、藿香、金银花、芦根、玄参、槐米11位中草药,各味药协同作用驱蚊效果明显,进行组方提取,得到的功效成分可从抑菌杀菌、抗炎解热、舒缓肌肤以及气味驱蚊方面共同达到理想的安全驱蚊效果。并且本申请的发明人通过研究发现,若只以艾叶、丁香、白芷、紫苏叶、薄荷、石菖蒲、藿香、金银花为原料,最终得到的驱蚊中药组合物其驱蚊效果不佳,并且只有单一的驱蚊效果。但是若在上述原料的基础上加入芦根、玄参和槐米这3味药材,得到的驱蚊中药组合物其驱蚊效果优异,并且还具有止痒、杀菌、舒缓肌肤功能等功效。
本发明驱蚊中药组合物的制备方法简单,采用乙醇和盐酸的混合溶液进行第一次回流提取,相较于现有技术中的单一采用乙醇进行提取,本发明对中药原料有效成分的提取率大大提高,产品的纯度较高,对原料的利用率提高。并且本发明通过多次回流提取,第二次回流提取的乙醇浓度为90%,第三次回流提取的乙醇浓度为80%,通过改变两次回流提取时乙醇的浓度以及第一次所用的提取剂(即乙醇和盐酸的混合溶液)相结合,能够最大程度的将中药原料中的有效成分提取出来,最终得到的驱蚊中药组合物的驱蚊、止痒等效果显著。
本发明的有益效果是:
1、本发明在现有原料的基础上加入芦根、玄参和槐米这3味药材,得到的驱蚊中药组合物其驱蚊效果优异,并且还具有止痒、杀菌、舒缓肌肤功能等功效。
2、本发明驱蚊中药组合物的制备方法简单,通过改变第二次和第三次回流提取时乙醇的浓度以及第一次所用的提取剂(即乙醇和盐酸的混合溶液)相结合,能够最大程度的将中药原料中的有效成分提取出来,最终得到的驱蚊中药组合物的驱蚊、止痒等效果显著。
3、本发明采用天然中草药提取而成,不使用合成化工原料,生产成本低,安全无毒副作用,可长期使用,既具有驱蚊效果,又能够有效祛除空气中的异味,达到清新空气的作用,一年四季均可使用,对人体无任何毒副作用。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施例,对本发明进一步详细说明。
实施例1
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶18%、丁香20%、白芷10%、紫苏叶5%、薄荷5%、石菖蒲15%、藿香5%、金银花8%、芦根3%、玄参3%、槐米8%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%,乙醇和盐酸混合溶液的质量与各原料药的总质量比为5:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为5:1;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;80%的乙醇和滤渣Ⅱ的质量比为6:1。
实施例2
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶17%、丁香15%、白芷8%、紫苏叶7%、薄荷7%、石菖蒲14%、藿香6%、金银花10%、芦根5%、玄参5%、槐米6%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%,乙醇和盐酸混合溶液的质量与各原料药的总质量比为4:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为5:1;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;80%的乙醇和滤渣Ⅱ的质量比为5:1。
实施例3
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶15%、丁香18%、白芷12%、紫苏叶10%、薄荷5%、石菖蒲12%、藿香3%、金银花12%、芦根2%、玄参6%、槐米5%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%,乙醇和盐酸混合溶液的质量与各原料药的总质量比为6:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为6:1;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;80%的乙醇和滤渣Ⅱ的质量比为6:1。
对比例1
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶20%、丁香17%、白芷10%、紫苏叶8%、薄荷9%、石菖蒲16%、藿香8%、金银花12%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%,乙醇和盐酸混合溶液的质量与各原料药的总质量比为4:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为5:1;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;80%的乙醇和滤渣Ⅱ的质量比为5:1。
对比例2
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶17%、丁香15%、白芷8%、紫苏叶7%、薄荷7%、石菖蒲14%、藿香6%、金银花10%、芦根5%、玄参5%、槐米6%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用体积浓度90%的乙醇进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇的质量与各原料药的总质量比为4:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为5:1;
3)滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;80%的乙醇和滤渣Ⅱ的质量比为5:1。
对比例3
驱蚊虫的中药组合物,由以下重量百分含量的原料药制成:艾叶17%、丁香15%、白芷8%、紫苏叶7%、薄荷7%、石菖蒲14%、藿香6%、金银花10%、芦根5%、玄参5%、槐米6%。
驱蚊虫的中药组合物的制备方法为:
1)按照配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%,乙醇和盐酸混合溶液的质量与各原料药的总质量比为4:1;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;90%的乙醇和滤渣Ⅰ的质量比为5:1;
3)滤渣Ⅱ中加入体积浓度90%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物;90%的乙醇和滤渣Ⅱ的质量比为5:1。
对比例4
采用专利申请号CN201610730512.2中的原料得到驱蚊的中药组合物。
将实施例1-3和对比例1-4得到的驱蚊的中药组合物成驱蚊凝露,制备方法如下:1)将丙烯酰二甲基牛磺酸铵/VP共聚物溶于水中分散均匀后加入甘油、海藻糖、α-甘露聚糖、尿囊素搅拌均匀,加热至80℃后保温30min消毒;2)降温到50℃以下加入泛醇和上述得到的驱蚊的中药组合物;3)温度降至45℃以下加入透明质酸钠搅拌均匀,即可得到驱蚊凝露。其中,各原料的质量百分含量为:丙烯酰二甲基牛磺酸铵/VP共聚物1.5%,驱蚊的中药组合物10%,甘油4%,海藻糖3%,α-甘露聚糖2%,尿囊素0.15%,泛醇0.5%,透明质酸钠0.01%,剩下的为去离子水。
使用效果实验:
以实施例1-3和对比例1-4得到的驱蚊的中药组合物成的驱蚊凝露进行了杀菌效果测试试验、驱蚊效果测试试验以及防痱止痒效果测试试验,具体试验及测试结果如下:
(1)杀菌试验:依据GB15979-2002《一次性使用卫生用品卫生标准》进行检测,实验结果如下表1所示。
表1杀菌效果
Figure BDA0002247268370000061
从表1中的数据可以看出,采用本发明的原料和制备方法得到的驱蚊的中药组合物成的驱蚊凝露其杀菌效果要远优于对比例,采用实施例2的原料各组分含量和制备方法的驱蚊的中药组合物成的驱蚊凝露其杀菌效果最好。
(2)驱蚊试验:按照GB/T17322.10-1998进行。受试者为135人,分为9组,每组15人(其中1人为敏感体质),分别对本发明实施例1-3和对比例1-4得到的驱蚊的中药组合物成的驱蚊凝露以及市售的小浣熊牌婴儿叮叮露进行测试。每人一手为空白对照,另一手按1.5μL/cm2的剂量均匀涂抹5cm×5cm手背区域,暴露其中4cm×4cm部位,其余部分严密遮蔽。涂抹产品2小时,开始进行测试,到室外树丛中蚊虫密集地方站立15min,随时观察蚊虫叮咬情况,记录叮咬次数,结果如表2所示。
表2驱蚊效果数据
Figure BDA0002247268370000062
Figure BDA0002247268370000071
平均有效保护率(%)=[(空白对照平均叮刺数-试验组平均叮刺数)/空白对照平均叮刺数]×100。
从表2中的数据可知,采用本发明的原料和方法得到的驱蚊的中药组合物成的驱蚊凝露其驱蚊效果要远优于对比例,并且也好于目前市场上的驱蚊露,采用实施例2的原料各组分含量和制备方法的驱蚊的中药组合物成的驱蚊凝露其驱蚊效果最好。由此说明本发明提供的中药提取物具有较强的驱避蚊虫的能力。受试者均无过敏症状,且敏感体质的受试者也没有发生过敏症状。本发明驱蚊止痒提取物为纯植物成分,制备的凝露性质温和,无刺激性气味,适合婴儿、孕妇和老年人使用。
(3)防痱止痒试验:选择700名志愿者参加夏季免费试用活动,分为7组,每组100人,分别对实施例1-3和对比例1-4得到的驱蚊的中药组合物成的驱蚊凝露进行测试。驱蚊凝露的使用方法:蚊虫叮咬后直接涂抹于皮肤所需部位。
表3防痱止痒效果
Figure BDA0002247268370000072
从表3中的数据可知,采用本发明的原料和方法得到的驱蚊的中药组合物成的驱蚊凝露进行防痱止痒实验,消费者的满意率达到了90%以上,远高于对比例,采用实施例2的原料各组分含量和制备方法的驱蚊的中药组合物成的驱蚊凝露其防痱止痒效果最好。
从表1-3的数据可知,采用本发明的原料和方法得到的驱蚊的中药组合物不仅具有优异的驱蚊效果,还具有良好的杀菌和防痱止痒效果。

Claims (8)

1.一种驱蚊虫的中药组合物,其特征在于,由以下重量百分含量的原料药制成:艾叶15-18%、丁香15-20%、白芷8-12%、紫苏叶5-10%、薄荷5-7%、石菖蒲12-15%、藿香3-6%、金银花8-12%、芦根2-5%、玄参3-6%、槐米5-8%;按配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%;滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物。
2.如权利要求1所述驱蚊虫的中药组合物,其特征在于,由以下重量百分含量的原料药制成:艾叶17%、丁香15%、白芷8%、紫苏叶7%、薄荷7%、石菖蒲14%、藿香6%、金银花10%、芦根5%、玄参5%、槐米6%。
3.如权利要求1或2所述驱蚊虫的中药组合物的制备方法,其特征在于,包括以下步骤:
1)按照权利要求1或2的配比称取各原料药,将各原料药粉碎,然后用乙醇和盐酸的混合溶液,进行第一次回流提取,第一次过滤得到滤渣Ⅰ;所述乙醇和盐酸混合溶液中乙醇和盐酸的体积比为5:1,乙醇的体积浓度为80%,盐酸的体积浓度为37.5%;
2)滤渣Ⅰ中加入体积浓度90%的乙醇,进行第二次回流提取,第二次过滤得到滤渣Ⅱ;
滤渣Ⅱ中加入体积浓度80%的乙醇,进行第三次回流提取,合并三次提取的滤液,浓缩得到驱蚊虫的中药组合物。
4.如权利要求3所述驱蚊虫的中药组合物的制备方法,其特征在于,步骤1)所述乙醇和盐酸混合溶液的质量与各原料药的总质量比为4-6:1。
5.如权利要求3所述驱蚊虫的中药组合物的制备方法,其特征在于,步骤2)所述第二次提取加入90%的乙醇和滤渣Ⅰ的质量比为5-6:1。
6.如权利要求3所述驱蚊虫的中药组合物的制备方法,其特征在于,步骤3)所述第三次提取加入80%的乙醇和滤渣Ⅱ的质量比为5-6:1。
7.如权利要求1所述驱蚊虫的中药组合物的应用,其特征在于,所述中药组合物在制备驱蚊制剂中的应用。
8.如权利要求7所述驱蚊虫的中药组合物的应用,其特征在于,所述驱蚊制剂为露剂、喷雾剂或膏剂。
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