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Kuandonghua (Perilla Fruit)---款冬花(powder100g/bottle)

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$50.90
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It is the dried bud of Tussilago farfara L.,family Compositae. It is dug and collected before it springs up from the soil in September or before the ground freezes. They are dried in shade with peduncle and mud removed. The raw or stir-baked with honey are used.

[ Medicinal Properties ]: Pungent , slightly bitter and warm; relate to lung meridian.

[ Medicinal Efficacies ]: Moisten lung, resolve phlegm and relieve cough.

[ Clinical Applications ]: Cough       For cough of cold type, it is combined with Mahuang; for cough due to lung heat, with Sangbaipi and Gualou; for cough due to lug qi deficiency , with Renshen and Huangqi; for dry cough due to yin deficiency, with Shashen and Maidong; for prolonged cough with blood mixed in sputum and dyspnea, it is ground into powder with Baihe to make pills, such as Baihua Concentrated Decoction; for acute cough, it is combined with Xingren, Chuanbeimu and Zhimu in Kuandonghua Decoction.

[ Usage and Dosage ]: 5-9g. The raw are used to treat cough due to external contraction. The stir-baked with honey are used for cough due to internal damage.

款冬花为菊科植物款冬 Tussilago farlara L.的花蕾。主产于河南、甘肃、山西、陕西等地。12月或地冻前当花尚未出土时采挖,除去花梗,阴干,生用,或蜜炙用。

       【药性】辛、微苦,温。归肺经。        【功效】润肺下气,止咳化痰。       
 
【应用】        咳喘。本品辛温而润,治咳喘无论寒热虚实,皆可随证配伍。咳嗽偏寒,可与干姜、紫菀、五味子同用,如款冬煎(《千金方》)。治肺热咳喘,则配知母、桑叶、川贝母同用,如款冬花汤(《圣济总录》);若配人参、黄芪,可治肺气虚弱,咳嗽不已;若治阴虚燥咳,则配沙参、麦冬;喘咳日久痰中带血,常配百合同用,如百花膏(《济生方》);肺痈咳吐脓痰者,也可配桔梗、苡仁等同用,如款花汤(《疮疡经验全书》)。       
 
【用法用量】煎服,5~10g。外感暴咳宜生用,内伤久咳宜炙用。       
 
【用药鉴别】款冬花、紫菀,其性皆温,但温而不燥,既可化痰,又能润肺,咳嗽无论寒热虚实,病程长短均可用之。前者重在止咳,后者尤善祛痰。古今治咳喘诸方中,二者每多同用,则止咳化痰之效益彰。       
 
【古籍摘要】        1.《神农本草经》:“主咳逆上气,善喘,喉痹。”       
 
2.《本经逢原》:“润肺消痰,止嗽定喘。”       
 
3.《本经疏证》:“《千金》、《外台》,凡治咳逆久咳,并用紫菀、款冬者十方而九。然其异在《千金》、《外台》亦约略可见。盖凡唾脓血失音者,及风寒水气盛者,多不甚用款冬,但用紫菀;款冬则每同温剂、补剂用者为多。”       
 
【现代研究】        1.化学成分:本品含生物碱款冬花碱、克氏千里光碱;及倍半萜成分款冬花素、甲基丁酸款冬花素酯、去乙酰基款冬花素;三萜成分款冬二醇、山金车二醇;芸香苷、金丝桃苷、精油、氨基酸及鞣质等。       
 
2.药理作用:煎剂及乙醇提取物有镇咳作用,乙酸乙醇提取物有祛痰作用,醚提取物小量略有支气管扩张作用,醇、醚提取物有呼吸兴奋作用。醚提取物及煎剂有升血压作用;醚提取物能抑制胃肠平滑肌,有解痉作用;提取物及款冬花素有抗血小板激活因子作用。       
 
3.临床研究:单味款冬花嚼成糊状,涂于消毒布块外贴于伤面,治51例慢性骨髓炎,总有效率92%(新中医,1989,11:38)       

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