Table 1. Relative abundance of the contributions of the regions of aliphatics (10–50 ppm), oxygenated aliphatics (57–92 ppm), aromatics (92–165 ppm), and carboxyl groups (165–185 ppm) for each cutin 13C MAS NMR spectrum
MethodCutin Major Structural ClassesRelative Abundance of the 13C MAS NMR Assigned Regions
C=OC=CCHOCH2O(CH2)n
CarboxylsAromaticsOxygenated AliphaticsAliphatics
%
Reference5.11.75.12.685.5
Cholinium hexanoate2 h4.81.69.63.780.0
2 h + TFA3.93.110.24.778.1
15 h4.73.110.93.977.5
170 h4.73.19.13.965.0
BMIM acetate2 h5.64.07.23.280.0
15 h5.55.57.83.173.5
170 h5.66.54.03.280.6