Table 1.

Tabularized values of wavenumber attributed to the chemical moieties.

Wavenumber [cm−1]	Chemical Group	Ref.
3333	γOH covalent bond, hydrogen bonding	[24]
2894	γCH	[33]
1641	absorbed water (hydrogen-bonded)	[32]
1428	δCH2 (symmetric) at C-6; crystalline region	[32]
1372	δCH	[34]
1340	δCOH in plane at C-2 and C-3	[35]
1315	δCH2 (wagging) at C-6	[31]
1236	δCOH in plane at C-6	[32]
1160	γCOC at β-glycosidic linkage	[32]
1104	γ ring in plane	[36]
1030	γCO at C-6	[37]
897	γCOC at β-glycosidic linkage; amorphous region	[32]
662	δCOH out of plane	[37]