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Structures of (A) hesperetin, (B) naringenin and (C) the two cyclodextrins: β-CD and DM-β-CD with the –H and –CH3 substitutions on –R groups, respectively. For DM-β-CD, substitution by –CH3 is at OH of C2 and C6 while for RAMEB, full substitution is found at OH of C6 but partial at C2 and C3 of each glucose unit.
