Abstract:Experimental results show that various kinds of processed white peony roots (Radix Paeoniae Alba) do not reduce the content of glycyrrhetinie acid in Shaoyao Gancao decoction, all kinds of this decoction show varying degrees of analgesic effects in mouse body-torsion test with acetic acid injection, but processed-liquorice decoctions don‘t; in the mouse hot-plate test, all kinds of Shaoyao Gancao decoction and processed-liquorice decoction present no positive results but show some
degree of sedation in the mouse gastroclysis test with pentobarbital sodium.