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Chenxiang ( Chinese Eaglewood Wood)---沉香(powder100g/bottle)

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Product Description

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 It is the resinous wood of Aquilaria sinensis(Lour.)Gilg, family Thymelaeaceae. The resinous wood can be collected all the year. After the parts without resin are removed, it is cleaved into pieces and then dried in shade. It is used after being pounded into sall pieces or groundinto powder.

[ Medicinal Efficacies ]: Promote qi flow to relieve pain; warm the middle energizer to stop vomiting; warm kidney to improve inspiration.

[ Mdicinal Properties ]: Pungent, bitter and slightly warm; relate to spleen, stomach and kidney meridians.

[ Clinical applications ]: 1. Distending pain in chest and abdomen       For congealing cold and qi stagnation causing distending pain in chest and abdomen, it is usually used with Wuyao, Muxiang and Binglang, such as Chenxiang Simo Decoction; for deficienchy-cold of spleen and stomach manifested as epigastric cold and pain, usually with Rougui, Ganjiangand Fuzi in Chenxiang Guifu Pills.

2. Stomach cold causing vomiting          For stomach cold with vomiting, it is combined with Chenpi and Bichengqie; for stomach cold with hiccups, with Shidi and Doukou.

3.Dyspnea of deficiency type       For that caused by asthenia of kidney yang and failure of kidney to promote inspiration, it is usually used with Fuzi, Rougui and Buguzhi; for upper excess and lower deficiency manifested as phlegm retention with cough and dyspnea with Suzi, Banxia and Chenpi.

[Usage and Dosage ]: 1.5-4.5g, decoct later. It can also be pounded into juice for oral administration or ground into powder for pills.

[ Precautions ]: Since it is pungent and warmto product heat, it is used with caution for cases with yin deficiency and effulgent fire.

沉香为瑞香科植物沉香Aquilaria agallocha Roxb.及白木香Asinensis (Lour.)Gilg含有树脂的木材。沉香主产于东南亚、印度等地,白木香主产于海南、广东、云南、台湾等地。全年均可采收,割取含树脂的木材,除去不含树脂的部分,阴干,打碎或锉末。生用。

【药性】辛、苦,微温。归脾、胃、肾经。        【功效】行气止痛,温中止呕,纳气平喘。       
 
【应用】        1.胸腹胀痛。本品气芳香走窜,味辛行散,性温祛寒,善散胸腹阴寒,行气以止痛。常与乌药、木香、槟榔等同用,治寒凝气滞之胸腹胀痛,如沉香四磨汤(《卫生家宝》);若脾胃虚寒之脘腹冷痛,常配肉桂、干姜、附子等同用,如沉香桂附丸(《卫生宝鉴》)。       
 
2.胃寒呕吐。本品辛温散寒,味苦质重性降,善温胃降气而止呕。可与陈皮、毕澄茄、胡椒等同用,治寒邪犯胃,呕吐清水,如沉香丸《圣济总录》;若脾胃虚寒,呕吐呃逆,经久不愈者,可与丁香、白豆蔻、柿蒂等同用。       
 
3.虚喘证。本品既能温肾纳气,又能降逆平喘。常与肉桂、附子、补骨脂等同用,用治下元虚冷、肾不纳气之虚喘证,如黑锡丹(《和剂局方》);若治上盛下虚之痰饮喘嗽,常与苏子、半夏、厚朴等配伍。       
 
【用法用量】煎服,1.5~4.5g,宜后下;或磨汁冲服,或入丸、散剂,每次0.5~1g。       
 
【古籍摘要】        1.《名医别录》:“悉治风水毒肿,去恶气。”        2.《本草经疏》:“沉香治冷气,逆气,气结,殊为要药。”        3.《本草通玄》:“沉香温而不燥,行而不泄,扶脾而运行不倦,达肾而导火归元,有降气之功,无破气之害,洵为良品。”       
 
【现代研究】        1.化学成分:本品含挥发油和树脂等,成分有白木香酸、白木香醛、沉香螺旋醇、白木香醇、苄基丙酮、呋喃白木香醛,呋喃白木香醇等,还有酚性成分等。       
 
 2.药理作用:本品对家兔离体小肠运动有抑制作用,使麻醉猫注射乙酰胆碱后肠管收缩幅度减少,蠕动减慢;所含挥发油有促进消化液分泌及胆汁分泌作用,以及麻醉、止痛、肌松等作用;沉香煎剂对结核杆菌、伤寒杆菌、福氏痢疾杆菌均有较强的抗菌作用。       
 
3.临床研究:以三末饮(琥珀1.5~4g,沉香、肉桂各1~2g,)研末,另以车前子20g、泽泻15g,水煎,取药液调服上末,治疗产后尿潴留有效(黑龙江中医药,1989,4:17);以沉香6g煎煮浓缩内服,接服煮沸过的蜂蜜、猪油,治疗肠梗阻20例,均获满意疗效(山东中医学院学报,1979,2:36);自拟沉香芍药五物散胶囊(沉香、琥珀、三七、白芍、甘草)治疗痛经53例,结果 治愈37例;好转14例,无效2例,一般2~3个疗程内获愈(河南中医药学刊,1999,6:54)。      
 
  4.不良反应:曾有多例沉香过敏的报道,如炮制沉香过程中出现过敏性皮疹1例(中国中药杂志,1996,4:251)。       

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