Paeoniflorin Introduction Paeoniflorin is abstract from the root of Paeonia albiflora Pall. It has broad pharmacological effects, such as analgesic, anti-diuretic,anti-inflammatory,anti-convulsant, vasodilatic, and etc. Molecular formula: C23H28O11 Molecular weight:480.45 Appearance: No fixed figure hygroscopic powder. Four acetic acid ester is colorless needle form crystal, and its melting point is 196'C Special Rotation:alpha 16D -12.8 (C=4.6,Methyl alcohol) Solubility:Solvable in water, ethanol nad methyl alcohol