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Baijiezi (White Arisaema)---白芥子(powder100g/bottle)

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Product Description

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It is the ripe seed of Sinapis alba L.,family Cruciferae. The fruits are collected in late sumer and early autumn when they mature. The seeds are gathered after the fruits are dried in the sunshine. They are used in the raw form or after they are stir-baked.

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

[ Medicinal Efficacies ]: Warm lung to resolve phlegm; promote qi flow to remove stagnation; free the network vessels to relieve pain.

[ Clinical Applications ]: 1. Accumulation of cold-phlegm, cough and dyspnea, distension and pain in chest and hypochondrium      For cough and dyspnea with clear and profuse sputum, it is usually comgbined with Zisuzi and Laifuzi in Sanzi Yangqin Decoction. For phlegm-fluid retention resulting in distension and pain in chest and hypochondrium, combined with Gansui and Daji, such as Kongxian Pill.

2. Obstruction of phlegm-dampness in the meridians       To treat obstruction of phlegm-dampness in the network vessels manifested as arthralgia, numbness of extremities, yin carbuncle and suppurative tissue disease, it is used with Mubiezi, Moyao, Rougui and Muxiang in Baijiezi Powder; for yin carbuncle and suppurative tissue disease caused by phlegm-dampness, it is combined with Lujiaojiao, Rougui, Paojiang and Shudihuang, such as Yanghe Decoction.

[ Usage and Dosage ]: 3-6g. It is ground into powder and mixed with vinegar for external application or for vesiculation.

[ Precautions ]: It cannot treat lung deficiency due to prolonged cough and yin deficiency with excessive fire, since it is pungent and warm and thus it exhausts qi and yin. Since it stimulates skin mucosa and easily vesiculates, it contraindicates with ulcer in digestive tract, bleeding and allergy of skin. Gastritis and enteritis may occur in case of over dosage.

白芥子为十字花科植物白芥Sinapis alba L.的种子。主产于安徽、河南、四川等地。夏末秋初,果实成熟时割取全株,晒干后打下种子。生用或炒用。

       【药性】辛,温。归肺、胃经。        【功效】温肺化痰,利气,散结消肿。       
 
【应用】        1.寒痰喘咳,悬饮。本品辛温,能散肺寒,利气机,通经络,化寒痰,逐水饮。治寒痰壅肺,咳喘胸闷,痰多难咯,配苏子、莱菔子,如三子养亲汤(《韩氏医通》);若悬饮咳喘胸满胁痛者,可配甘遂、大戟等以豁痰逐饮,如控涎丹(《三因方》)。若冷哮日久,可配细辛、甘遂、麝香等研末,于夏令外敷肺俞、膏盲等穴,或以10%白芥子注射液在肺俞、膻中、定喘等穴行穴位注射。       
 
 2.阴疽流注,肢体麻木,关节肿痛。本品温通经络,善散“皮里膜外之痰”,又能消肿散结止痛。治痰湿流注所致的阴疽肿毒,常配鹿角胶、肉桂、熟地等药,以温阳化滞,消痰散结,如阳和汤(《外科全生集》);若治痰湿阻滞经络之肢体麻木或关节肿痛,可配马钱子、没药等,如白芥子散(《妇人大全良方》),亦可单用研末,醋调敷患处。       
 
【用法用量】煎服,3~6g。外用适量,研末调敷,或作发泡用。        【使用注意】本品辛温走散,耗气伤阴,久咳肺虚及阴虚火旺者忌用;消化道溃疡、出血者及皮肤过敏者忌用。用量不宜过大。       
 
【古籍摘要】        1.《本草纲目》:“利气豁痰,除寒暖中,散肿止痛。治喘嗽反胃,痹木脚气,筋骨腰节诸痛。”       
 
2.《本草经疏》:“白芥子味极辛,气温。能搜剔内外痰结,及胸膈寒痰,冷涎壅塞者殊效。”       
 
3.《药品化义》:“白芥子……横行甚捷,……通行甚锐,专开结痰,痰属热者能解,属寒者能散。痰在皮里膜外,非此不达,在四肢两胁,非此不通。若结胸证,痰涎邪热固结胸中及咳嗽失音,以此同苏子、枳实、瓜蒌、杏仁、芩连为解热下痰汤,诚利气宽胸神剂。”       
 
【现代研究】        1.化学成分:本品含芥子油苷、内有白芥子苷。还含脂肪油、芥子碱、芥子酶及数种氨基酸。       
 
 2.药理作用:小剂量能引起反射性气管分泌增加,而有恶心性祛痰作用,白芥子苷水解后的产物白芥油有较强的刺激作用,可致皮肤充血、发泡。白芥子粉能使唾液分泌,淀粉酶活性增加,小量可刺激胃粘膜,增加胃液胰液的分泌,大量催吐;水浸剂对皮肤真菌有抑制作用。       
 
 3.临床研究:白芥子,温水中泡软搅拌成泥状,外敷少腹膀胱胀满部位,治产后尿潴留22例,均自行排尿(江苏中医,1990,2:36);另用白芥子配延胡索、甘遂、细辛等制粉,生姜汁调敷大椎、双肺俞、双膏盲、双肾俞、膻中等穴,治变态反应性鼻炎60例,总有效率88.3%(中国中西医结合杂志,1994,6:342);此外白芥子生用,还可用于甲状腺炎、淋巴结炎、慢性深部脓肿,阑尾周围脓肿等(新中医,1990,11:35)。       
 
 4.不良反应:白芥子油对皮肤粘膜有刺激作用,能引起充血、灼痛,甚至发泡,内服过量可引起呕吐、腹痛、腹泻。       

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