Table 6 FTIR spectra of Arabica coffee samples.
From: Controlled biosynthesis of gold nanoparticles with Coffea arabica using factorial design
Bands (cm−1) | Assignments |
|---|---|
1680 | Stretching of the C=O bond of aldehyde or ketone aromatic compounds |
1380 | Stretching of the connection C=C |
1265 | C-H folding in the plane |
1043 | C-O deformation |
811 | C-H curvature off-plane |
760 | Stretching C-X (X = F, Cl, Br or I) |
