[ Weight ]: 1Ib/bag
Zisuye is the dried leaf or that with tender twig of Perilla frutescens(L.)Britt,pertaining to Labiatae.It is collected in summer and fall.after the impurities are removed,it is sun dried.the raw form is used.
[ Medicinal Pfoperties ]: Pungent and warm; relate to lung and spleen meridians.
[ Medicinal Efficacies ]: Dispel cold, release superficies; promote qi flow,soothe the middle; remove toxin of fish and crab.
[ Usage and Dosage ]: 5-9 g. Avoid long time decocting.
[ Clinical Applications ]: 1. External contraction of wind-cold Zisuye is mild in dispelling cold, and good at treating external contraction of wind-cold with qi stagnation ,which manifests as fullness of chest and stomach, nausea and vomiting, in combination with Xiangfu and Chenpi; for example in Xiangsu Powder. Also it treats external contraction of wind-cold accompanied with cough and profuse sputum, in combination with Xinren and Jiegeng; for example Xingsu Powder.
2. Qi stagnation in spleen and stomach, oppression in chest, vomiting of pregnancy It treats distending and fullness of chest and stomach, nausea and vomiting due to qi stagnation in the middle energizer. Also it treats that accompanied with cold, in combination with Sharen and Dingxiang; For that accompanied with heat, it is in combination with Huanglian and Lugen. It is indicated for upward reflex of fetus qi, which manifests as oppression in chest, vomiting and threatened abortion, in combination with Sharen and Chenqi. In case of plum-stone disease due to stagnation of seven emotions leading to phlegm congealing and qi stagnation, it is in combination with Banxia, Houpo and Fuling; for example in Banxia Houpo Decoction.
3. Intoxication by fish or crab, abdominal pain, vomiting and diarrhea By itself or in combination with Shengjiang and Huoxiang.
Zisugeng: is the dried stem of Zisu.Pungent and slightly warm. it relates to lung and spleen meridians. it can proote qi flow and soothe the middle, stop pain and prevent abortion. to treat fulness in the chest and diaphragm, stomach pain and thereatened abortion,the dosage is 5-9 g.
紫苏为唇形科植物紫苏Perilla frutescens(L.)Britt.的茎、叶,其叶称紫苏叶,其茎称紫苏梗。我国南北均产。夏秋季采收。除去杂质,晒干,生用。
【药性】辛,温。归肺、脾经。
【功效】解表散寒,行气宽中。
【应用】 1.风寒感冒。本品辛散性温,发汗解表散寒之力较为缓和,轻证可以单用,重证须与其他发散风寒药合用。因其外能解表散寒,内能行气宽中,且略兼化痰止咳之功,故风寒表证而兼气滞,胸脘满闷、恶心呕逆,或咳喘痰多者,较为适宜。治疗前者,常配伍香附、陈皮等药,如香苏散(《和剂局方》)。治疗后者,每与杏仁、桔梗等药同用,如
杏苏散(《
温病条辨》)。
2.脾胃气滞,胸闷呕吐。本品味辛能行,能行气以宽中除胀,和胃止呕,兼有理气安胎之功,可用治中焦气机郁滞之胸脘胀满,恶心呕吐。偏寒者,常与砂仁、丁香等温中止呕药同用;偏热者,常与黄连、芦根等清胃止呕药同用;若胎气上逆,胸闷呕吐,胎动不安者,常与砂仁、陈皮等理气安胎药配伍。用治七情郁结,痰凝气滞之梅核气证,常与半夏、厚朴、茯苓等同用,如
半夏厚朴汤(《
金匮要略》)。
此外,紫苏能解鱼蟹毒,对于进食鱼蟹中毒而致腹痛吐泻者,能和中解毒。可单用本品煎汤服,或配伍生姜、陈皮、藿香等药。
【用法用量】煎服,5~9g,不宜久煎。
【古籍摘要】 1.《
名医别录》:“主下气,除寒中。”
2.《
滇南本草》:“发汗,解伤风头痛,消痰,定吼喘。”
3.《
本草纲目》:“行气宽中,消痰利肺,和血,温中,止痛,定喘,安胎。”
【现代研究】 1.化学成分:本品含挥发油,其中主要为紫苏醛、左旋柠檬烯及少量a-蒎烯等。
2.药理作用:苏叶煎剂有缓和的解热作用;有促进消化液分泌,增进胃肠蠕动的作用;能减少支气管分泌,缓解支气管痉挛。本品水煎剂对大肠杆菌、痢疾杆菌、葡萄球菌均有抑制作用。紫苏能缩短血凝时间、血浆复钙时间和凝血活酶时间。紫苏油可使血糖上升。
3.临床研究:①用苏叶与少量生姜治疗支气管炎,按10:1的比例制成25%苏叶药液,每日早晚各服一次,100ml/次,10天为1个疗程,每两个疗程间隔3天,效果良好(湖南中医药导报,2000,6(2):16)。②以苏前芦鱼汤(苏叶、前胡、白僵蚕各5~9g,芦根、鱼腥草各9~10g,桔梗3~6g),辨证加减,治疗小儿咳嗽50例,取得了较好疗效(实用中医药杂志,1991,(3):18)。③以黄连4g,苏叶4g,吴茱萸3g,肉豆蔻5g,百合15g,乌药10g,柴胡10g,川楝子10g,太子参10g,甘草3g,组成连苏畅中饮,治疗功能性消化不良100例,具有整体调节精神神经功能,改善胃肠功能障碍,清除幽门螺杆菌的作用(湖南中医学院学报,1999,19(1):37)。④以黄连苏叶汤(苏叶30g,黄连5~6g,半夏12g,丹参15g,玉米须30g)为基础方,随证加减,治疗慢性肾衰25例,获得较好疗效(中医杂志,1994,(12):733)。
此外,紫苏还可用治胃神经官能症、慢性胆囊炎、胆道蛔虫症、婴幼儿秋季腹泻、寻常疣等病。
附药 紫苏梗 为紫苏的茎。性味辛、甘,微温。归肺、脾、胃经。功能宽胸利膈,顺气安胎。适用于胸腹气滞、痞闷作胀及胎动不安、胸胁胀痛等症。