Fig. 1. Extraction efficiency of grapefruit flavanones with various solvents such as
methanol (MeOH), ethanol (EtOH), dimethyl sulfoxide (DMSO), dimethylformamide
(DMF) and acetonitrile (ACN) at different temperatures ranging from 20, 40, 50 and
60 ◦C. The data presented is mean±standard deviation values of three individual
samples.