Phenolic glycosides from Foeniculum vulgare fruit and evaluation of antioxidative activity

Two diglucoside stilbene trimers and a benzoisofuranone derivative were isolated from Foeniculum vulgare fruit together with nine known compounds. Their structures were elucidated by spectral methods including 1D, 2D NMR and MS and chemical methods. Antioxidant activity was tested using three methods: DPPH, total antioxidant capacity and assay of lipid peroxidation.