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Jugeng (Hogfennel Root)---桔梗(powder100g/bottle)

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$33.78
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Product Description

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It is the dried root of Platycodo grandiflorum(Jacq.)A.DC.,family Campanulaceae. The roots are dug and collected in spring and autumn. After the fibrous roots and fresh barks are removed, they are washed clean, sliced and then dried in the sunshine. The barks cannot be removed. The raw are used.

[ Medicinal Properties ]: Bitter, pungent and neutral; relate to lung meridian.

[ Medicinal Efficacies ]: Disperse lung qi and resolve phlegm; relieve sore throat and drain pus.

[ Clinical Applications ]: 1.Failure of lung qi to disperse manifested as cough with profuse sputum, oppression in chest      Failure of lung qi to disperse may cause cogh with profuse sputum and oppression in chest. For that with wind-cold, it is combined with Zisu and Xingren in Xingsu Powder. For that with wind-heat, it is combined with Sangye, Juhua, such as Sangju Decoction. It is combined with Zhiqiao to treat stuffiness and oppression in chest and hypochondrium and qi stagnation due to phlegm obstruction.

2. Sore throat, aphonia       For that due to invasion of lung by exogenous pathogens, it is combined with Gancao, Niubangzi. For that due to domination of heat-toxin, it is used with Shegan and Banlangen.

3. Pulmonary abscess      To treat pulmonary abscess causing chest pain and coughing up pus, blood , stinking and yellowish sputum, it can be combined with Gancao in Jiegeng Decocotion, or with Yuxingcao and Dongguaren.

In addition, it treats retention of urine and constipation since it is effective for dispersing lung qi and relieving difficulty in urination and defecation.

[ Usage and Dosage ] :3-9g.

[ Precautions ]: Since Jiegeng is lifting and dispersing in nature, it cannot treat upward qi movements resulting in vomiting, chocking cough and dizziness and hemoptysis due to yin feficiency with effulgent fire. Over dosage easily causes nausea and vomiting. It cannot be used as injection because of the hemolyzation of its platycodoside.

桔梗为桔梗科植物桔梗Platycodon grandiflorus (Jacq.) A. DC.的根。全国大部分地区均有。以东北、华北地区产量较大,华东地区质量较优。秋季采挖,除去须根,刮去外皮,放清水中浸2~3小时,切片,晒干生用或炒用。

       【药性】苦、辛,平。归肺经。        【功效】宣肺,祛痰,利咽,排脓。       
 
【应用】        1.咳嗽痰多,胸闷不畅。本品辛散苦泄,宣开肺气,祛痰,无论寒热皆可应用。风寒者,配紫苏、杏仁,如杏苏散(《温病条辨》);风热者,配桑叶、菊花、杏仁,如桑菊饮(《温病条辨》);若治痰滞胸痞,常配枳壳用。       
 
 2.咽喉肿痛,失音。本品能宣肺泄邪以利咽开音。凡外邪犯肺,咽痛失音者,常配甘草、牛蒡子等用,如桔梗汤(《金匮要略》)及加味甘桔汤(《医学心悟》)。治咽喉肿痛,热毒盛者,可配射干、马勃、板蓝根等以清热解毒利咽。       
 
 3.肺痈吐脓。本品性散上行,能利肺气以排壅肺之脓痰。治肺痈咳嗽胸痛。咯痰腥臭者,可配甘草用之,如桔梗汤(《金匮要略》);临床上可再配鱼腥草、冬瓜仁等以加强清肺排脓之效。       
 
此外,本品又可宣开肺气而通二便,用治癃闭、便秘。       
 
【用法用量】煎服,3~lOg;或入丸、散。        【使用注意】本品性升散,凡气机上逆,呕吐、呛咳、眩晕、阴虚火旺咳血等不宜用,胃、十二指肠溃疡者慎服。用量过大易致恶心呕吐。       
 
【古籍摘要】        1.《神农本草经》:“主胸胁痛如刀刺,腹满肠鸣幽幽,惊恐悸气。”       
 
2.《珍珠囊药性赋》:“其用有四:止咽痛,兼除鼻塞;利膈气,仍治肺痈;一为诸药之舟楫;一为肺部之引经”。       
 
 3.《本草蒙筌》:“开胸膈,除上气壅,清头目,散表寒邪,驱胁下刺痛,通鼻中窒塞,咽喉肿痛急觅,逐肺热,住咳,下痰,治肺痈排脓,养血,仍消恚怒,尤却怔忡。”       
 
【现代研究】        1.化学成分:本品含多种皂苷,主要为桔梗皂苷,多种混合皂苷经完全水解所产生的皂苷元有桔梗皂苷元,远志酸、以及少量的桔梗酸。另外还含菊糖、植物甾醇等。       
 
2.药理作用:所含的桔梗皂苷对口腔、咽喉部位、胃粘膜的直接刺激,反射性地增加支气管粘膜分泌亢进从而使痰液稀释,易于排出;桔梗有镇咳作用,有增强抗炎和免疫作用,其抗炎强度与阿斯匹林相似;水提物能增强巨噬细胞的吞噬功能,增强中性白细胞的杀菌力,提高溶菌酶活性;对应激性溃疡有预防作用。桔梗粗皂苷有镇静、镇痛、解热作用,又能降血糖、降胆固醇,松弛平滑肌。桔梗皂苷有很强的溶血作用,但口服能在消化道中分解破坏而失去溶血作用。       
 
3.临床研究:桔梗除用治呼吸系统疾病外,近年来还常治其它系统病变,苍术桔梗汤(苍、白术、桔梗等)治疗小儿病毒性与消化不良性肠炎,取得满意疗效(四川中医,1999,2:42);大黄桔梗组成大黄桔梗汤,开水泡服,治抗精神病药物所致的排尿困难者68例,只有4例无效(中国行为医学科学杂志,2001,1:50);取桔梗、当归、川芎饮片煎煮,制成油/水乳剂,擦面部皮疹处,治疗黄褐斑有确效(医药学报,1992,6:35)      
 
  4.不良反应:服后能刺激胃粘膜,剂量过大,可引起轻度恶心,甚至呕吐。胃及十二指肠溃疡慎用,剂量也不宜过大,本品有较强的溶血作用,故只宜口服,不能注射。口服后桔梗皂苷在消化道被水解而破坏,即无溶血作用。       

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