. 2020 Aug 11;184(2):592–606. doi: 10.1104/pp.20.01049

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.

Method	Cutin Major Structural Classes	Relative Abundance of the ¹³C MAS NMR Assigned Regions
		C=O	C=C	CHO	CH₂O	(CH₂)_n
		Carboxyls	Aromatics	Oxygenated Aliphatics		Aliphatics
		%
Reference	—	5.1	1.7	5.1	2.6	85.5
Cholinium hexanoate	2 h	4.8	1.6	9.6	3.7	80.0
	2 h + TFA	3.9	3.1	10.2	4.7	78.1
	15 h	4.7	3.1	10.9	3.9	77.5
	170 h	4.7	3.1	9.1	3.9	65.0
BMIM acetate	2 h	5.6	4.0	7.2	3.2	80.0
	15 h	5.5	5.5	7.8	3.1	73.5
	170 h	5.6	6.5	4.0	3.2	80.6

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.