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"; print "行号: ".$e->getLine()."
"; die(); } //error_reporting(0); date_default_timezone_set('PRC'); //中国时间+ ?> 如何鉴别桔梗冬花片呢?-粤迅康药房网
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如何鉴别桔梗冬花片呢?

发布时间2021-12-31 12:07:17  来源:粤迅康
【导读】如何鉴别桔梗冬花片呢?:桔梗冬花片的主要功效是镇咳,祛痰。主要用于治疗咳嗽痰多和支气管炎。
桔梗冬花片(青龙) ¥ 3.00元

规格:0.2g*50s

作用:镇咳祛痰。用于咳嗽痰多,支气管炎。

桔梗冬花片为糖衣片,除去包衣显棕色至棕褐色;味微甜。是采用桔梗,款冬花,远志(制),甘草等有效中药制成的,治疗的效果不错。那么,如何鉴别桔梗冬花片呢?

桔梗冬花片(青龙)

桔梗冬花片的主要功效是镇咳,祛痰。主要用于治疗咳嗽痰多和支气管炎。

(1)取本品10片,除去包衣,研细,取1.5g,加盐酸溶液(1→10)20ml,加热回流3小时,滤过,滤液用氯仿振摇提取2次,每次20ml,合并氯仿液,加水30ml洗涤,取氯仿液用无水硫酸钠脱水,滤过,滤液蒸干,残渣加甲醇2ml使溶解,作为供试品溶液。另取桔梗对照药材1g,同法制成对照药材溶液。照薄层色谱法(中国药典2000年版一部附录ⅥB)试验,吸取上述两种溶液各5μl,分别点于同一硅胶G薄层板上,以氯仿-乙醚(1:1)为展开剂,展开,取出,晾干,喷以10%硫酸乙醇溶液,加热至斑点显色清晰。供试品色谱中,在与对照药材色谱相应的位置上,显相同颜色的斑点。

(2)取本品10片,除去包衣,研细,取2g,加乙醚40ml,加热回流1小时,弃去乙醚提取液,残渣挥去乙醚,加甲醇30ml,加热回流1小时,放冷,滤过,滤液蒸干,残渣加水40ml使溶解,用水饱和的正丁醇振摇提取3次,每次20ml,合并正丁醇液,用正丁醇饱和的水洗3次,每次20ml,取正丁醇液,蒸干,残渣加甲醇1ml使溶解,作为供试品溶液。另取甘草酸单铵盐对照品适量,加乙醇制成每1ml含1mg的溶液,作为对照品溶液。照薄层色谱法(中国药典2000年版一部附录ⅥB)试验,吸取上述两种溶液各2μl,分别点于同一用1%氢氧化钠溶液制备的硅胶G薄层板上,以醋酸乙酯-甲酸-冰醋酸-水(15:1:1:2)为展开剂,展开,取出,晾干,喷以10%硫酸乙醇溶液,加热至斑点显色清晰。供试品色谱中,在与对照品色谱相应的位置上,显相同颜色的斑点。

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