Enhanced extraction of flavanones hesperidin and narirutin from Citrus unshiu peel using subcritical water

► Hesperidin and narirutin from citrus peels were successfully extracted using SWE. ► The maximum yields of these flavanones were obtained at 160 °C for 10 min of SWE. ► The hesperidin yield by SWE was more than 3.2-fold higher than those by methanol. ► The narirutin yield by SWE was more than 3.7-fold higher than those by hot water.