Table 2 FTIR analysis spectra for corn starch (A2) microcapsules
Run (corn starch) | Absorption (cm-1) | Appearance | Group | Compound class |
|---|---|---|---|---|
1 | 3240.71 | Strong broad | O–H stretching | Alcohol, Carboxylic acid |
2 | 2822.46 | Medium | CH2 stretching vibration | Alkane |
3 | 2790.14 | Medium | C=O stretching vibration | Aldehyde |
4 | 2224.91 | Weak | O–H bending | Alkyne |
5 | 1548.26 | Medium | CH2 bending | Alkane |