Table 2 UV-spectral data of quercetin-metal complexes
Bands | Quercetin (Q) (nm) | Cu(II)-Q complex (nm) | Zn(II)-Q complex (nm) | Mo(II)-Q complex (nm) | VO(IV)-Q complex (nm) | Ni(II)-Q complex (nm) | Co(II)-Q complex (nm) |
|---|---|---|---|---|---|---|---|
I | 369 | 401 | 403 | 410 | 404 | 415 | 424 |
II | 252 | 263 | 253 | 339 | 257 | 257 | 263 |