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Diyu ( Garden Burnet Root)---地榆(powder100g/bottle)

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$15.74
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Product Description

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 It is the root of Sanguisorba officinalis L. or Aanguisorba officinalis L. var longifolia(Bert) Yu et Li, family Rosaceae. After it is dug in spring before it shoots up or in autumn after is withers away, fibrous root removed, it is washed clean and dried in the sun. The raw or the carbonized can be Utilized.

[ Medicinal Properties ]: Bitter, astringent, slightly cold; relate to liver, stomach and large intestine meridians.

[ Medicinal Efficacies ]: Cool the blood and stop bleeding; eliminate toxic materials and treat pyogenic infection.

[ Clinical Applications ]: 1. Blood-heat causing bleeding       It can be used for all kinds of bleeding due to various blood-heat, for it is good at purging heat to cool blood and stop bleeding and also at astringing blood. Since it is sinking and descending in nature, it is especially good for hematochezia, metrorrhagia and metrostaxis, dysentery with blood stools due to blood-heat in the lower energizer. For bleeding due to hemorrhoids, it is usually combined with Huaihua; for metrorrhagia and metrostaxis due to blood-heat, combined with Shengdihuang and Huangqin. In addition, it is efficactious for chronic dysentery with bloody stool, usually used together with Gancao, such as in Diyu Decoction.

2. Scald, eczema, sores and ulcers, swollen pains     It is the primary medicinal for scald, due to hot water or fire. When used, it can be ground into powder, mixed with sesame oil for clinical application. also it can be used together with the powder of Dahuang. For eczema and skin ulcer, it can be decocted into a thick decoction for external washing, or application with immersed pledget. For sores, ulcers and swollen pains, it can be taken orally or applied externally and should be combined with other heat-clearing and toxicity-relieving medicinals.

[ Usage and Dosage ]: 9-15g. Appropriate amount for external application.

[ Precautions ]: It is not suitable for large burn or scald with external application.

地榆为蔷薇科植物地榆Sanguisorba officinalis L.或长叶地榆S. officinalis L.var.longifolia(Bert.) Yu et Li的根。前者产于我国南北各地,后者习称“绵地榆”,主要产于安徽、浙江、江苏、江西等地。春季将发芽时或秋季植株枯萎后采挖。除去须根,洗净,晒干生用,或炒炭用。

【药性】苦、酸、涩,微寒。归肝、大肠经。        【功效】凉血止血,解毒敛疮。       
 
【应用】        1.血热出血证。本品味苦寒入血分,长于泄热而凉血止血;味兼酸涩,又能收敛止血,可用治多种血热出血之证。又因其性下降,故尤宜于下焦之下血。用治便血因于热甚者,常配伍生地黄、白芍、黄芩、槐花等,如约营煎(《景岳全书》);用治痔疮出血,血色鲜红者,常与槐角、防风、黄芩、枳壳等配伍,如槐角丸(《和剂局方》);用治血热甚,崩漏量多色红,兼见口燥唇焦者,可与生地黄、黄芩、牡丹皮等同用,如治崩极验方(《女科要旨》)。本品苦寒兼酸涩,功能清热解毒,凉血涩肠而止痢,对于血痢不止者亦有良效,常与甘草同用,如地榆汤(《圣济总录》)。      
 
  2.烫伤、湿疹、疮疡痈肿。本品苦寒能泻火解毒,味酸涩能敛疮,为治水火烫伤之要药,可单味研末麻油调敷,或配大黄粉,或配黄连、冰片研末调敷;用治湿疹及皮肤溃烂,可以本品浓煎外洗,或用纱布浸药外敷,亦可配煅石膏、枯矾研末外掺患处;本品清热凉血,又能解毒消肿,用治疮疡痈肿,无论成脓与否均可运用。若初起未成脓者,可单用地榆煎汁浸洗,或湿敷患处;若已成脓者,可用单味鲜地榆叶,或配伍其他清热解毒药,捣烂外敷局部。       
 
【用法用量】煎服,10~15g,大剂量可用至30g;或入丸、散。外用适量。止血多炒炭用,解毒敛疮多生用。       
 
【使用注意】本品性寒酸涩,凡虚寒性便血、下痢、崩漏及出血有瘀者慎用。对于大面积烧伤病人,不宜使用地榆制剂外涂,以防其所含鞣质被大量吸收而引起中毒性肝炎。       
 
【古籍摘要】        1.《神农本草经》:“主妇人乳痓痛,七伤,带下病,止痛,除恶肉,止汗,疗金疮。”      
 
  2.《本草纲目》:“地榆,除下焦热,治大小便血证。止血,取上截切片炒用,其梢能行血,不可不知。杨士瀛云:诸疮痈者加地榆,痒者加黄芩。”       
 
 3.《本草正》:“味苦微涩,性寒而降,既消且涩,故能止吐血、衄血,清火明目,治肠风血痢及女人崩漏下血,月经不止,带浊痔漏,产后阴气散失,亦敛盗汗,疗热痞,除恶肉,止疮毒疼痛。凡血热者当用,虚寒者不相宜也。作膏可贴金疮,捣汁可涂虎、犬、蛇、虫伤毒,饮之亦可。”       
 
【现代研究】        1.化学成分:地榆根部含有地榆苷Ⅰ、Ⅱ、A、B、E等及酚酸类性化合物,尚含少量维生素A。止血主要成分为鞣质。       
 
2.药理作用:地榆煎剂可明显缩短出血和凝血时间,生地榆止血作用明显优于地榆炭;实验表明,地榆制剂对烧伤、烫伤及伤口的愈合有明显的作用,能降低毛细血管的通透性,减少渗出,减轻组织水肿,且药物在创面形成一层保护膜,有收敛作用,可减少皮肤擦伤,防止感染,有利于防止烧、烫伤早期休克和减少死亡发生率。体外实验表明,地榆水煎剂对伤寒杆菌、脑膜炎双球菌及钩端螺旋体等均有抑制作用,尤其对痢疾杆菌作用较强。       
 
 3.临床研究:用地榆30g,醋适量。以醋煎地榆,放置一夜,次晨温服之,每日1剂。治疗崩漏43例,总有效率为95%(山东中医杂志,1991,3:53);用地榆、艾叶各10~30g,大黄6g(后下),煎服,每日1剂,3~7天为1疗程。治疗菌痢80例,总有效率为96.3%(湖北中医杂志,1994,4:32);
 
另据报道,本品还可用治伤寒、上消化道出血、慢性胃炎、慢性结肠炎、肛裂、烫伤等。       

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