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Xiaokucao ( Spica Prunellae )--夏枯草-

Price:
$10.14
Weight:
1.00 LBS
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Product Description

xiakucao-yuantai-l.jpg

Xiakucao is the dried spike of Prunella vulgaris L. pertaining to Labiatae. It is collected in summer when the spike becomes reddish brown. It is sun dried. The raw for is used after removing impurities.

[ Medicinal Properties ]: Pungent, bitter and cold; relate to liver and gallbladder meridians.

[ Medicinal Efficacies ]: Clear liver, purge fire; resolve knots, dissolve swelling; pacify liver and improve vision.

[ Usage and Dosage [: 9-15 g.Also it can be processed into extraction for oral administration.

[ Precautions ]: Be cautious with cold and weak spleen and stomach.
 
[ Clinical Applications ]: 1. Up-flaming of liver fire, reddish and swelling eyes with pain, headache and dizziness and night eyeball pain     Xiakucao treats up-flaming of liver fire with symptoms of reddish and swelling eyes with pain, combined with Sangye, Juhua and Juemingzi. For eyeball pain due to liver yin deficiency, especially in night, it is usually combined with Danggui andGouqi.
 
2.Scrofula and goiter    It is indicated for scrofula due to transformation of depressed liver qi into fire, and accumulationn of phelgm fire, combined with Beimu and Xiangfu. Also it can treat goiter combined with Kunbu and Xuanshen.
 
3. Acute mastitis, swelling pain, heat toxin, sores and ulcers    In case of swellling pain in acute mastitis, it is in combination with Pugongying. Also it treats sores and ulcers due to heat toxin, combined with Jinyihua and Lianqiao.

夏枯草为唇形科植物夏枯草Prunella vulgaris L.的干燥果穗。全国各地均产,主产于江苏、浙江、安徽、河南等地。夏季果穗呈棕红色时采收,除去杂质,晒干。生用。
      
【药性】辛、苦,寒。归肝、胆经。       
 
【功效】清热泻火,明目,散结消肿。       
 
【应用】        1.目赤肿痛、头痛眩晕、目珠夜痛。本品苦寒主入肝经,善泻肝火以明目。用治肝火上炎,目赤肿痛,可配桑叶、菊花、决明子等药用。本品清肝明目之中,略兼养肝,配当归、枸杞子,可用于肝阴不足,目珠疼痛,至夜尤甚者;亦可配香附、甘草用,如夏枯草散(《张氏医通》)。       
 
 2.瘰疬、瘿瘤。本品味辛能散结,苦寒能泄热,常配贝母、香附等药用以治肝郁化火,痰火凝聚之瘰疬,如夏枯草汤(《外科正宗》);用治瘿瘤,则常配昆布、玄参等用,如夏枯草膏(《医宗金鉴》)。       
 
3.乳痈肿痛。本品既能清热去肝火,又能散结消肿,可治乳痈肿痛,常与蒲公英同用(《本草汇言》)。若配金银花,可治热毒疮疡,如化毒丹(《青囊秘传》)。       
 
【用法用量】煎服,9~15g。或熬膏服。       
 
【使用注意】脾胃寒弱者慎用。       
 
【古籍摘要】        1.《神农本草经》:“主寒热、瘰疬、鼠瘘、头疮,破癥。散瘿结气,脚肿湿痹。”       
2.《本草纲目》:“夏枯草治目疼,用砂糖水浸一夜用,取其能解内热,缓肝火也。楼全善云,夏枯草治目珠疼至夜则甚者,神效,或用苦寒药点之反甚者,亦神效。盖目珠连目本,肝系也,属厥阴之经。夜甚及点苦寒药反甚者,夜与寒亦阴故也。夏枯禀纯阳之气,补厥阴血脉,故治此如神,以阳治阴也。”       
 3.《重庆堂笔记》:“夏枯草,微辛而甘,故散结之中,兼有和阳养阴之功,失血后不寐者服之即寐,其性可见矣。陈久者尤甘,入药为胜。”       
 
 【现代研究】        1.化学成分:本品含三萜皂苷、芸香苷、金丝桃苷等苷类物质及熊果酸、咖啡酸、游离齐敦果酸等有机酸;花穗中含飞燕草素、矢车菊素的花色苷、d-樟脑、d-小茴香酮等。        2.药理作用:本品煎剂、水浸出液、乙醇-水浸出液及乙醇浸出液均可明显降低实验动物血压,茎、叶、穗及全草均有降压作用,但穗的作用较明显;本品水煎醇沉液小鼠腹腔注射,有明显的抗炎作用;本品煎剂在体外对痢疾杆菌、伤寒杆菌、霍乱弧菌、大肠杆菌、变形杆菌、葡萄球菌及人型结核杆菌均有一定的抑制作用。       
3.临床研究:结合传统上用于治疗头痛、眩晕,药理研究有降血压作用,现代临床用以治疗高血压病,有助降压;取其散结消肿而常用治甲状腺肿大、淋巴结肿大、乳腺增生、高血压等属于肝热者;用夏枯草、白花蛇舌草、白茅根、甘草、板蓝根、山豆根,水煎服,治疗慢性乙型肝炎50例,近期治愈33例,好转12例(中西医结合杂志,1986,6:366); 用夏枯草、白及,共研细末,猪油调膏敷患处,治手足皲裂36例,痊愈34例(中草药,1995,6:297);用夏枯草100g,水煎2次,泡洗双手,治疗手脱皮证百余例,均痊愈(中草药,1995,6:297)。       

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