Iris tectorum Maxim

Iris tectorum Maxim Iridis Tectori Rhizoma (Chuanshegan) or Roof Iris Rhizome is the dried rhizome of Iris tectorum Maxim., family Iridaceae. 70% Ethanol extract of Iridis Tectori Rhizoma has anti-inflammatory activity in several animal experimental models. The active constituents are isoflavones such as tectorigenin and iridin. Iridis Tectori Rhizoma clearly shows anti-pyretic activity in mice with yeast induced fever. Iridigenin has anti-viral activity against influenza virus, enteric cytopathic human orphan (ECHO) virus and adenovirus, and also against Diplococcus pneumoniae. Bitter in flavor, cold in nature. Enter lung channel. Clear heat-toxin, resolve phlegm and relieve throat congestion.