hydrogen bonding is considered as the major interaction between
phenolic compounds and the polymer wall materials (Liu,
Chaudhary, Yusa, & Tade, 2011; Yu & Huang, 2010). In our study,
OH groups of curcumin and OH groups of glucose units may
participate the formation of hydrogen bonding as revealed in the
ATR-FTIR spectra result. The change of the shape and wavenumber
of the fingerprint region of starch are also associated with the H
bonding formation with curcumin