Research Article
Electrical Switching in Thin Films of Nandi Flame Seed Cuticles
Table 1
FT-IR frenquencies (
) of cutin, suberin, and NFSC.
*Benítez et al. [
37],
Cordeiro et al. [
39].
| | | NFSC | Band assignment | |
| 3300 | 3464 | 3348 | (O–H) | Alcoholics and Phenolic hydroxyl
groups |
| 2924 | 2919 | 2916 | (C–H),
|
Aliphatic stretch, | 2852 | 2851 | | | Methoxyl groups, | | | 2615 | (C–H) | Methylene groups |
| 1736 | 1738 | 1682 | , |
Ester carbonyl, | 1731 | | | (C=O) | Ketone groups | 1630 | 1635 | | | |
| | | 1603 | (C=C) | Conjugated double bonds, | 1530 | 1513 | | | benzenoid rings |
| | 1463 | | (C–H) | Aromatic ring | | 1437 | 1427 | (C–H) | | | 1364 | | | Metoxyl groups |
| | 1300 | 1319 | |
Esters linkages, | | 1210 | | (C–O–C) | Phenolics, | | | | | Glycosidic link. |
| 1167 | 1130 | 1157 | (C–O) | Aliphatic alcohols or Aliphatic esters |
| 1100 | | | (C–H) | Benzene ring | 1055 | 1050 | 1033 | (O–H), | Primary and secondary alcohols | (C–O) |
|
|