Theaimof this study was to investigate and to compare the extractability, bioaccessibility, and bioavailability in vitro of antioxidative\ncompounds from bark of selected Salix species: S. alba (SA), S. daphnoides (SD), S. purpurea (SP), and S. daphnoides x purpurea\n(SDP) hybrid willow clones originating fromtheir natural habitats and cultivated on the sandy soil.The highest amount of phenolic\nglycosides was found in the bark of SDP and SD. The best source of phenolics was bark of SDP.The highest content of flavonoids\nwere found in SD bark samples, whereas the highest concentration of bioaccessible and bioavailable phenolic acids was determined\nin SDP bark. Bark of all tested Salix species showed significant antiradical activity. This properties are strongly dependent on\nextraction system and genetic factors. Regardless of Salix genotypes, the lowest chelating power was found for chemicallyextractable\ncompounds. Bark of all Salix species contained ethanol-extractable compounds with reducing ability. Besides this, high\nbioaccessibility and bioavailability in vitro of Salix bark phytochemicals were found. Obtained results indicate that extracts from\nbark tested Salix genotypes can provide health promoting benefits to the consumers; however, this problem requires further study.
Loading....