2.4. Analysis of cell wall components by FT-IR
The infrared spectra of the peanut cell wall were assembled from 64 scans obtained at a resolution of 4 cm-1 between 4000 and 650 cm-1 using a Fourier-transform spectrometer VERTEX 70 (Bruker, Ettlingen, Germany) (Szymanska-Chargot & Zdunek, 2013).