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Ganggui (Chinese Angelica)---当归

Price:
$18.58
Weight:
1.00 LBS
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Calculated at checkout


Product Description

danggui-yuantai-l.jpgdanggui-yaocai-l.jpg

This medicinal is the dried root of Angellica sinensis(Oliv.)Diels.(Fam.Umbelliferac). The one, which is mainly produced in Min County in the southeast of Gansu Province, is of the best quality. It is excavated in the late autumn. After removal of top of root and fibrous root and partial evaporation of root moisture, those of similar size are bound in small bundles, and smoked dry on slow fire or with sulfur to avoid moth and mildew. It is sliced and used in itsunprocessed form or stir-baked with liquor.

[ Medicinal Propertes ]: Sweet and pungent, warm; relate to liver, heart and spleen meridians.

[ Medicinal Efficacies]: Tonfiy blood, activate blood, regulate menstruation to relieve pain, moisten the bowels to relieve constipation.

[ Clinical Applications ]: 1. Blood deficiency syndrome      It is the most essential medicinal for treating blood deficiency syndrome. In this case, it is often combined with Huangqi, as in the Danggui Buxue Decoction.

2.Irregular menstruation, amenorrhea and menorrhagia       To treat irregular menstruation, amenorrhea and menorrhagia due to blood deficiency or blood stasis, it is often prescribed with Shudihuang, Baishao and Chuanxiong, as in the Siwu Decoction. If if it is accompanied by qi deficiency, it is combined with Renshen and Huangqi; if for accompanied by qi stagnation, it is used with Xiangfu and Yanhusuo; and if by blood heat, it is combined with Huangqin and Huanglian. For amenorrhea due to blood stasis, it is used in combination with Taoren and Honghua; for that due to blood-deficiency and cold-stagnation, with Ejiao and Aiye.

3. Abdominal pain due to deficiency-cold; injuries from falls;  carbuncles, ulcers and sores; arthralgia due to wind-cold      It treat abdominal pain due to blood deficiency,  blood stasis or cold stagnation, in combination with Guizhi, Shaoyao and Shengjiang, as in the Danggui Jianzhong Decoction. For injuries from falls marked by pains and ecchymoma, it is prescribed with Ruxiang, Moyao and Taoren, as in the Fuyuan Huoxue Decoction. In the case of early stage of ulcers with redness, swelling and pain, it is combined with Yinhua, Chishao and Tianhuafen, as in the Xianfang Huoming Decoction. In the treatment of unhealed ulcers after rupture, it is combined with Huangqi, Renshen and Rougui, as in the Shiquan Dabu Decoction. It also treats arthralgia due to wind-cold, with Qianghuo, Fangfeng and Huangqi.

4. Constipation due to blood deficiency with intestinal dryness    In this case, it is often used in combination with Roucongrong and Niuxi.

[ Usage and Dosage ]: 5-15g.

[ Precautions ]: It is contraindicated in patients with excessive dampness with abdominal fullness and diarrhea.

当归为伞形科植物当归Aaugellica sinensis(Oliv) Diels. 的根。主产于甘肃省东南部的岷县(秦州),产量多,质量好。其次,陕西、四川、云南、湖北等省也有栽培。秋末采挖,除尽芦头、须根,待水分稍行蒸发后按大小粗细分别捆成小把,用微火缓缓熏干或用硫黄烟熏,防蛀防霉切片生用,或经酒拌、酒炒用。

       【药性】甘、辛,温。归肝、心、脾经。        【功效】补血调经.活血止痛,润肠通便。       
 
【应用】        1.血虚诸证。本品甘温质润,长于补血,为补血之圣药。若气血两虚,常配黄芪、人参补气生血,如当归补血汤(《兰室秘藏》)、人参养荣汤(《温疫论》);若血虚萎黄、心悸失眠,常与熟地黄、白芍、川芎配伍,如四物汤 (《和剂局方》)。      
 
  2.血虚血瘀之月经不调、经闭、痛经等。常以本品补血活血,调经止痛,常与补血调经药同用,如《和剂局方》四物汤,既为补血之要剂,亦为妇科调经的基础方;若兼气虚者,可配人参、黄芪;若兼气滞者,可配香附、延胡索;若兼血热者,可配黄芩、黄连,或牡丹皮、地骨皮;若血瘀经闭不通者,可配桃仁、红花;若血虚寒滞者,可配阿胶、艾叶等。       
 
3.虚寒性腹痛、跌打损伤、痈疽疮疡、风寒痹痛等。本品辛行温通,为活血行气之要药。本品补血活血、散寒止痛,配桂枝、芍药、生姜等同用,治疗血虚血瘀寒凝之腹痛,如当归生姜羊肉汤(《金匮要略》)、当归建中汤(《千金方》);本品活血止痛,与乳香、没药、桃仁、红花等同用,治疗跌打损伤瘀血作痛,如复元活血汤(《医学发明》)、活络效灵丹(《医学衷中参西录》);与银花、赤芍、天花粉等解毒消痈药同用,以活血消肿止痛,治疗疮疡初起肿胀疼痛,如仙方活命饮(《妇人大全良方》);与黄芪、人参、肉桂等同用,治疗痈疽溃后不敛,如十全大补汤(《和剂局方》);亦可与金银花、玄参、甘草同用,治疗脱疽溃烂,阴血伤败,如四妙勇安汤(《验方新编》);若风寒痹痛、肢体麻木,可活血、散寒、止痛,常与羌活、防风、黄芪等同用,如蠲痹汤(《百一选方》)。       
 
4.血虚肠燥便秘。本品补血以润肠通便,用治血虚肠燥便秘。常以本品与肉苁蓉、牛膝、升麻等同用,如济川煎(《景岳全书》)。       
 
 【用法用量】煎服,5~15g。        【使用注意】湿盛中满、大便泄泻者忌服。       
 
【古籍摘要】        1.《神农本草经》:“主咳逆上气,温疟寒热洗洗在皮肤中。妇人漏下绝子,诸恶疮疡,金疮。”       
 
2.《日华子本草》:“主治一切风,一切血,补一切劳,破恶血,养新血及主癥癖。”       
 
 3.《医学启源》:“当归,气温味甘,能和血补血,尾破血,身和血。”       
 
 4.《本草纲目》:“治头痈,心腹诸痛,润肠胃、筋骨、皮肤,治痈疽,排脓止痛,和血补血。”       
 
5.《本草备要》:“润燥滑肠。”       
 
【现代研究】        1.化学成分:当归中含β-蒎烯、α-蒎烯、莰烯等中性油成分。含对-甲基苯甲醇、5-甲氧基-2,3-二甲苯酚等酸性油成分、有机酸;糖类;维生素;氨基酸等。       
 
 2.药理作用:当归挥发油能对抗肾上腺素-脑垂体后液素或组织胺对子宫的兴奋作用。当归水或醇溶性非挥发性物质对离体子宫有兴奋作用,使子宫收缩加强,大量或多次给药时,甚至可出现强直性收缩,醇溶性物质作用比水溶性物质作用强。离体蟾蜍心脏灌流实验,本品煎剂含挥发油可使收缩幅度及收缩频率皆明显抑制。当归浸膏有显著扩张离体豚鼠冠脉作用,增加冠脉血流量。麻醉犬静注本品心率无明显改变,冠脉阻力和总外周阻力下降,冠脉血流量显著增加,心肌氧耗量显著下降,心排出量和心搏指数有增加趋势。当归中性油对实验性心肌缺血亦有明显保护作用。当归及其阿魏酸钠有明显的抗血栓作用。当归水浸液给小鼠口服能显著促进血红蛋白及红细胞的生成。      
 
  3.临床研究:以25%当归静脉注射液静脉滴注治疗缺血性中风(神经精神疾病杂志,1981,(4):222)。当归液于敏感点或神经结注入;或加大剂量,静推或静滴治疗血栓闭塞性脉管炎,对患肢有止痛,促进血液循环,提高皮肤温度,阻止坏死发生、发展,促进创面癒合等作用(新医药学杂志,1977,(11):35)。复方当归注射液于两侧曲池及足三里穴交替注射,使血压有不同程度的下降,并能改善头晕、耳鸣、眼花、失眠等症状(中药大辞典(上)上海人民出版社,1977.876)。

 


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