Table 5 The position of absorption maxima in the electron spectra of vanillic acids.
From: Spectroscopic, antioxidant and cytotoxicity studies of vanillic acids
Water | Methanol | ||||||
|---|---|---|---|---|---|---|---|
λmax1 [nm] | λmax2 [nm] | λmax3 [nm] | λmax1 [nm] | λmax2 [nm] | λmax3 [nm] | λmax4 [nm] | |
VA | 204 | 254 | 289 | 205 | 218 | 260 | 290 |
o-VA | 208 | - | 306 | 208 | - | - | 313 |
isoVA | 205 | 254 | 290 | - | 218 | 258 | 294 |
