Table 1.
Peak assignments of the aqueous methanol extract from the ray floret corolla of chrysanthemums “Noble Wine” and “ARTI-Dark Chocolate”.
| Peak Number | tR (min) | M + H+/M + H− (m/z) | UV Λmax (nm) | Identification |
|---|---|---|---|---|
| 350 nm | ||||
| 1 | 10.74 | -/353 | 326 | 3-Caffeyolquinic acid [42] x |
| 2 | 12.67 | 595/563 | 338 | 6,8-C,C-diglucosylapigenin [42] x |
| 3 | 13.06 | 449/447 | 348 | Luteolin-7-O-glucoside [42] x |
| 4 | 13.84 | -/515 | 326 | 3,4-Di-caffeoylquinic acid [42] x |
| 5 | 13.88 | -/515 | 326 | 1,4-Di-caffeoylquinic acid [42] x |
| 6 | 13.96 | -/515 | 326 | 3,5-Di-caffeoylquinic acid [42] x |
| 7 | 14.04 | 433/431 | 332 | Apigenin-7-O-glucoside [42] x |
| A1 z | 14.36 | 463/461 | nd y | Trihydroxymethoxyflavone glucoside [42] x |
| 8 | 14.75 | 477/475 | 348 | Diosmetin-7-O-glucuronide [42] x |
| 9 | 15.17 | 549/547 | 348 | Diosmetin-7-O-6″-malonylglucoside [42] x |
| 10 | 15.50 | -/529 | nd | 4-Caffeoyl-5-feruloylquinic acid isomer [42] x |
| 11 | 15.76 | 287/285 | 348 | Luteolin [42] x |
| 12 | 16.16 | 271/269 | 334 | Apigenin [42] x |
| 13 | 16.17 | 533/531 | 334 | Acacetin-7-O-6″-malonylgactoside [42] x |
| A2 | 16.25 | 563/- | 338 | Apigenin-8-C-hexoside-7-O-pentoside [43] w |
| 14 | 16.26 | -/491 | nd | Caffeoyl-dihydroxyphenyllactoyl-tartaric acid [43] w |
| A3 | 17.06 | 533/- | 325 | Acacetin-malonylglucoside [44] x |
| 15 | 17.88 | 619/- | 326 | Acacetin-7-O-(3,6-O-dimalonyl)-β-D-glucopyranoside [30] w |
| A4 | 18.24 | -/519 | 358 | Isorhamnetin O-acetylhexoside [44] w |
| A5 | 18.66 | 547/- | 326 | Acacetin-7-O-(3-O-malonyl)-β-D-glucuronopyranoside [30] w |
| A6 | 21.35 | 285/283 | 330 | Acacetin [42] x |
| 515 nm | ||||
| A7 | 10.33 | 449/625 | 516 | Cyanidin 3-O-glucoside [45] x |
| A8 | 11.338 | 535/529 | 518 | Cyanidin 3-O-(6″-O-malonylglucoside) [45] x |
| A9 | 11.99 | 621/571 | 518 | Cyanidin 3-O-(3″6,″-O-dimalonylglucoside) [30] x |
| A10 | 12.251 | 549/571 | 347 | Chrysoeriol 7-O-malonylglucoside [30] x |
| A11 | 12.83 | 635/677 | 342 | Acetylated luteolin hexoxyl-rhamnoside [29] w |
| 6 | 13.96 | -/515 | 326 | 3,5-Di-caffeoylquinic acid [42] x |
w Identification was confirmed by comparison with standards or positively identified compounds in reference plant samples. References are presented. x Previously reported in chrysanthemum florets. References are presented. y nd: Not determined. z Peaks specifically detected in “ARTI-Dark Chocolate” are numbered A1–A6.