Table 3.
Identification of polyphenolic compounds in A. microcarpus leaves extract by HPLC-DAD- ESI/MS analysis
| Peak | Rt (min) |
λmax (nm) |
Molecular ion [M-H]− (m/z) |
MS2(m/z), (%) | Tentative identification |
|---|---|---|---|---|---|
| 1 | 8.1 | 326 | 353 | 191(100) 354(50) |
5-O-caffeoylquinic acid |
| 2 | 15.4 | 350 | 447 | 429(30) 357(94) 327(95) 447(100) |
Luteolin −6-C- glucoside |
| 3 | 19.3 | 350 | 489 | 429(11) 357(38) 327(91) 489(100) |
Luteolin −6-C- acetilglucoside |
| 4 | 21.2 | 336 | 473 | 311(100) 341(27) 283(17) 413(12) 429(3) 473(93) |
Cichoric acid |
| 5 | 23.2 | 332 | 623 | 623(100) 447(58) 429(38) 309(26) 417(24) 327(18) |
Luteolin-C-glucoside |
| 6 | 25.1 | 332 | 441 | 441(100) 213(48) 153(9) 195(8) 399(4) |
Cumaril exosa malic acid |
| 7 | 27 | 336 | 285 | 285(100) | Luteolin |