Physical properties: Light yellow needle-like crystal(water), melting point: 176-8°C [1], []23D +13.82°C (ethanol), []20D -39.43°C (pyridine). 1g can be dissolved in 7ml methanol, 8000ml water and 200ml boiling water. UV? CH3OH max nm:258.361. IR?KBr max cm-1 :3400(OH), 1670(C=O), 1620,1520,1470(C6H5-) [1]. Plant Source: Ruta graveolens L, Scphora japonica L, Hypericum aseyron L, Berchemia polyphylla Wall, var leioclada Hand. - Mazz . [ 5] , Mallotus japonicus Muell . - Arg , Fagopyrum esculentum Moench . Origin china