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Baizhi ( Dahurian Angelica Root )---白芷(Powder100g/bottle)

Price:
$19.52
Weight:
0.30 LBS
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Calculated at checkout


Product Description

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Baizhi is the dried root of Angelica dahurica( Fish.ex Hoffm.)Benth.et Hook.f. or Angelica dahurieaBenth.et Hook,f.var.formosana(Boss.) Shan et yuan, pertaining to Umbelliferae. it is collected in summer and autumn with yellow leaf.after the fibrous root, earth and sand are removed, it is sun dried or dried in low temperature, and then cut into slices. the raw for is used.

[ Medicinal Properties ]: Pungent and warm ; relate to lung,stomach and large intestine meridians.

[ Medicinal Efficacies ]: Dispel cold, release superficies; dispel wind, stop pain; open nose; dry dampness and stop leucorrhea; cure swelling and expel pus.

[ Usage and Dosage ]: 3-9 g..

[ Precautions ]: Avoid with yin deficiency and blood heat.
 
[ Clinical Applications ]: 1. Wind-cold of exterior type    Baizhi treats external contraction of wind-cold, which manifests as headache and body pain, nasal congestion and nasal discharge, in combination with Fangfeng, Qianghuo and Chuanxiong; for example in Jiuwei Qianghuo Decoction.
 
2. Headache, toothache, win-damp and arthralgic pain      It can treat external contraction of wind-cold, with headache along yangming meridians, pain in the supraorbital ridge, or recurrent headache, by itself, known as Duliang Pills, or in combination with Fangfeng, Xixin and Chuanxiong; for example in Chuanxiong Chatial Powder. It treats arthralgic pain due to wind-cold-dampness, mainfesting as joint pain, unsmooth movement of joints, in combination with Cangzhu ,Caowu and Chuanxiong.
 
3. Sinusitis     It treats sinusitis, with nasal congestion, yellow nasal discharge, in combination with Cangerzi and Xiyi; for example in Canerzi Powder.
 
4. Cold-damp and leucorrhea     It is indicated for downpour of cold-damp, manifesting as profuse leucorrhea, in combination with Lujiaoshuang, Baizhu and Shanyao. For downpour of damp-heat, manifesting as yellowish or reddish leucorrhea, it is used with Chequanzi and Huangbo.
 
5. Sore, abscess, swelling and toxin     It treats early stage of sore and abscess, manifesting as reddish swelling with hot pain, in combination with Jinyinhua, Danggui and Chuanshanjia; for example in Xianfang Huoming Decoction. For pus failing to erupt, it is in combination with Renshen, Huangqi and Dangui; for example in Tuoli Tounong Powder.
 
Also it can dispel wind to stop itching, to treat itching due to damp-heat in skin.

白芷为伞形科植物白芷Angelica dahurica (Fisch.ex Hoffm.)Benth.et Hook.f.或杭白芷Angelica dahuriea (Fisch.ex Hoffm.)Benth.et Hook.f.var.formosana (Boiss.)Shan et Yuan的干燥根。白芷产于河南长葛、禹县者习称“禹白芷”,产于河北安国者习称“祁白芷”。此外陕西和东北亦产。杭白芷产于浙江、福建、四川等省,习称“杭白芷”和“川白芷”。夏、秋间叶黄时采挖,除去须根及泥沙,晒干或低温干燥。切片,生用。
      
【药性】辛,温。归肺、胃、大肠经。       
 
【功效】解表散寒,祛风止痛,通鼻窍,燥湿止带,消肿排脓。       
 
【应用】        1.风寒感冒。本品辛散温通,祛风解表散寒之力较温和,而以止痛、通鼻窍见长,宜于外感风寒,头身疼痛,鼻塞流涕之证,常与防风、羌活、川芎等祛风散寒止痛药同用,如九味羌活汤(《此事难知》)。      
 
  2.头痛,牙痛,痹痛等多种疼痛证。本品辛散温通,长于止痛,且善入足阳明胃经,故阳明经头额痛以及牙龈肿痛尤为多用。治疗阳明头痛,眉棱骨痛,头风痛等症,属外感风寒者,可单用,即都梁丸(《百一选方》);或与防风、细辛、川芎等祛风止痛药同用,如川芎茶调散(《和剂局方》);属外感风热者,可配伍薄荷、菊花、蔓荆子等药。治疗风冷牙痛,可与配伍细辛、全蝎、川芎等同用,如一捻金散(《御药院方》);治疗风热牙痛,可配伍石膏、荆芥穗等药,如风热散(《仙拈集》)。若风寒湿痹,关节疼痛,屈伸不利者,可与苍术、草乌、川芎等药同用,如神仙飞步丹(《袖珍方》)。       
 
3.鼻渊。本品祛风、散寒、燥湿,可宣利肺气,升阳明清气,通鼻窍而止疼痛,故可用治鼻渊,鼻塞不通,浊涕不止,前额疼痛,每与苍耳子、辛夷等散风寒、通鼻窍药同用,如苍耳子散(《济生方》)。       
 
4.带下证。本品辛温香燥,善除阳明经湿邪而燥湿止带。治疗寒湿下注,白带过多者,可与鹿角霜、白术、山药等温阳散寒、健脾除湿药同用;若湿热下注,带下黄赤者,宜与车前子、黄柏等清热利湿、燥湿药同用。       
 
5.疮痈肿毒。本品辛散温通,对于疮疡初起,红肿热痛者,可收散结消肿止痛之功,每与金银花、当归、穿山甲等药配伍,如仙方活命饮(《校注妇人大全良方》);若脓成难溃者,常与益气补血药同用,共奏托毒排脓之功,如《外科正宗》托里消毒散、《医宗金鉴》托里透脓散,其均与人参、黄芪、当归等药同用。       
 
 此外,本品祛风止痒,可用治皮肤风湿瘙痒。       
 
【用法用量】煎服,3~9g。外用适量。       
 
【使用注意】本品辛香温燥,阴虚血热者忌服。       
 
【古籍摘要】        1.《神农本草经》:“主女人漏下赤白,血闭阴肿,寒热,风头侵目泪出,长肌肤,润泽。”       
 2.《滇南本草》:“祛皮肤游走之风,止胃冷腹痛寒痛,周身寒湿疼痛。”        3.《本草纲目》:“治鼻渊、鼻衄、齿痛、眉棱骨痛,大肠风秘,小便出血,妇人血风眩运,翻胃吐食;解砒毒,蛇伤,刀箭金疮。”       
 
【现代研究】        1.化学成分:白芷与杭白芷的化学成分相似,主要含挥发油,并含欧前胡素、白当归素等多种香豆素类化合物,另含白芷毒素、花椒毒素、甾醇、硬脂酸等。       
 2.药理作用:小量白芷毒素有兴奋中枢神经、升高血压作用,并能引起流涎呕吐;大量能引起强直性痉挛,继以全身麻痹。白芷能对抗蛇毒所致的中枢神经系统抑制。白芷水煎剂对大肠杆菌、痢疾杆菌、伤寒杆菌、绿脓杆菌、变形杆菌有一定抑制作用;有解热、抗炎、镇痛、解痉、抗癌作用。异欧前胡素等成分有降血压作用。呋喃香豆素类化合物为“光活性物质”,可用以治疗白癜风及银屑病。水浸剂对奥杜盎小芽孢癣菌等致病真菌有一定抑制作用。       
3.临床研究:①以茵陈白芷汤(由茵陈、白芷、秦皮、茯苓皮、黄柏、藿香组成)为基本方治疗慢性肠炎,偏寒者加干姜、附片,有热者加黄芩、黄连、白头翁,虚者加当归、白术、党参、黄芪、薏苡仁,气滞者加木香、枳实等。1日1服,1个月为1疗程(江苏临床医学杂志,2000,20(3):258)。
②白芷60g,紫草15g,苦参30g,滑石30g,黄柏30g,水煎熏洗,每日2次,每次40min左右,治疗痔疮有效(白芷紫草煎熏洗治疗痔疮.2001,20(6):330)。
③白芷30g,浙贝母15g,莪术15g,大青叶10g,白花蛇舌草20g,蒲公英20g,水煎服,治疗卵巢囊肿有效(中医杂志,2000,41(7):393)。
④用白芷、白芥子、川芎以3:1:1的比例,研末,醋调成稠膏,外敷治疗跟骨骨刺有效(中医杂志,2000,41(7):394)。
此外,白芷还可用治关节积水、带状疱疹、偏瘫、肝炎、周围性面神经麻痹、非脓性肋软骨炎、浅表性霉菌病、麻痹性肠梗阻、局限型及节段型白癜风等病。

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