Table 1 Assignments of absorbance peaks in the FTIR spectra of three species of SDMCs.

From: Species-Specific Biodegradation of Sporopollenin-Based Microcapsules

Wavenumber (cm−1)

Assignment

Interpretation

3,370–3,384

νO–H

Hydroxyl

2,925

νCH2

Aliphatic (lipid, sporopollenin)

1,745

νC=O

Lipid

1,673–1,700

νC=O

Lipid, sporopollenin

1,516

νC=C

Aromatic compounds

1,104–1,060

νC–O–C

Carbohydrate