Table I. Accumulation of flavone aglycones and flavone O-glycosides in maize pericarps (14 DAP) and silks determined by LC-MS/MS.
Retention Time | Precursor Ion [M+H]+ | Tissue | Compound Assignmenta |
---|---|---|---|
min | m/z | ||
10.8 | 271 | P1-ww silk, P1-rr silk, P1-ww pericarp, P1-rr pericarp | Apigenin |
10 | 287 | P1-rr silk | Luteolin |
3.2, 4 | 449 | P1-rr pericarp | Luteolin O-hexoside |
3.8 | 433 | P1-rr pericarp, P1-rr silk | Apigenin O-hexoside |
Identification was based on MS/MS fragmentations using standards as references.