Studies on Fungicidal Constituents in Ficus carica L. Leaves

Silica gel column chromatography and recrystallization were used for the isolation and purification of the compound with high fungicidal activity.The compound were identified as psoralen on the basis of spectral analysis and by comparison with the data reported in literature.The EC50 of psoralen against Valsa mali,Gibberella zeae and Fusarium oxysporum is 0.07 mg/ml,0.23 mg/ml and 0.12 mg/ml respectively.