Table 2.

FTIR band assignments of pomegranate seed oil.

Spectral range	Band assignments
3471	NH stretch, coupled with HB
3013	m(C-H) of cis-alkene (-HC-CH-)
2927	m(C-H) from methylene (-CH2) groups of lipids
2859	Terminal (-CH3) groups
1745	(C-O) stretching vibration of carbonyl groups belonging to the triacyglycerols
1635	Amide I: β-sheet
1457	(CH2) bending and deformation of methylene of lipids, proteins, or cholesterol esters
1372	(CH3) bending vibration (lipids and proteins)
1163	Amide III band region
991	Amide III: β-sheet
757	(CH) bending

Assignments were made based on the following references: De la Mata et al. [26], Hssaini et al. [27], Movasaghi et al. [28], Chandra et al. [29], Niu et al. [30] and Hssaini et al. [31].