Rhizoma Dryopteris Crassirhizomae
April 13, 2009 by Jack
Name: Rhizoma Dryopteris Crassirhizomae
Resource: Rhizome with petiole base of Dryopteris crassirhizoma Nakai,family Dryopteridaceae and Blechnum orie
Characteristic: D.crassirhizomae:Rhizome obvate or longirudinally cut into two,10-20 cm long,5-8 cm broad,brown-yellow,stout.The base of the petiole flat-rounded,with scales and relic fibrous roots.B.orientale:Rhizome linear,petiole base rounded,with relic fibrous roots.Its size and colour similar to the above-mentioned species.Bitter in taste,cold in nature,and attributive to liver and spleen channels.
Pharmacodynamics: 1.Clear away heat and toxic material:For preventing and treating pestilence and seasonal febrile diseases,such as influenza,epidemic cerebrospinal meningitis,mumps,measles,etc.,also for viral pneumonia. 2.Cool the blood and stop bleeding:For profuse uterine bleeding due to blood-heat,hematemesis,epistaxis,hemafecia,eruptive diseases,etc.
Pharmacological: 1.Antivirotic and bacteriostatic. 2.Parasiticidal effect on hookworm,roundworm and whipworm,etc.in human,and its component filmarone,on 3apeworm. 3.Its decoction shortens the blook clotting time in rabbits. 4.Its extract exerts an abortive effect.
Usage: Decoction:6-15g.
Caution:
D.Crassirhizomae is poisonous and is contraindicated for pregnant women,aged,debilitated and those suffering from peptic ulcer.Radix Rubiae
