Pharmacological Effects Of Polygonia Root
(1) The role of sputum method
Radix polygonis contains plant saponin, can stimulate gastric mucous membrane, cause slight nausea, thereby reflex ground increases the secretion of bronchial tube and have expectorant action.
(2)The role of the uterus
The uterus of polygonia has excitatory effect.
(3) The effect of hemolysis
Radix polygonis contains saponins, which also dissolve red blood cells.