Imaging of polysaccharides in the tomato cell wall with Raman microspectroscopy

Table 2 The pure components’ bands (components 1–3) which were detected in the experiments with assignments from the literature[31–33]: C – cellulose; P – pectins; H – hemicelluloses

Component 1		Component 2		Component 3
Raman wavenumber [cm^-1]	Assignment, Origin	Raman wavenumber [cm^-1]	Assignment, Origin	Raman wavenumber [cm^-1]	Assignment, origin
2949	2948 ν(CH), P	2932	2932 ν(CH), H	2935	2932 ν(CH), H
1751	ν(C = O) ester, P,H	2895	2897 ν(CH), C	2895	2897 ν(CH), C
855	855 (COC)skeletal mode of α-anomers, P	1378	1376 δ(HCC), δ(HCO), δ(HOC), C	1459	1460 δ(CH₂), δ(COH), C,H
816	817 ν(COH)ring, P	1257	1256 δ(CH) δ(COH), H	1256	1256 δ(CH), δ(COH) ,H
		1122	1121 ν(COC) glycosidic, symetric, C
		1093	1098 ν(COC) glycosidic, assymetric, C
		971	ρ(CH₂), C
		381	380 δ(CCC)ring, C

ISSN: 1746-4811