Table 2.
Identified flavonoids in analyzed oils.
| Peak No. | tR (Min) |
Flavonoid Name | Molecular Formula | [M + H] + | Key Fragment Ions |
S. gregaria Oil |
R differens Oil |
Sesame Oil |
Olive Oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 a | 6.20 | Rutin | C27H30O16 | 611.2 | 633.4, 465.3, 303.3 | − | − | + | + |
| 2 a | 6.39 | Apigenin | C15H10O5 | 271.2 | 293.4, 153.5, 121.4, 145.6 | − | − | − | + |
| 3 a | 7.98 | Quercetin | C15H10O7 | 303.4 | 325.2, 285.1, 229.3, 153.2, 137.5 | + | + | − | − |
| 4 a | 8.79 | Luteolin | C15H10O6 | 287.3 | 309.3, 269.1, 153.2, 135.2 | + | + | − | − |
| 5 a | 9.60 | Kaempferol | C15H10O6 | 287.5 | 309.6, 153.4, 137.3, 121.6 | + | + | − | − |
| 6 b | 12.30 | Orientin | C21H20O11 | 449.3 | 471.2, 299.1, 329.2 | + | + | − | − |
| 7 b | 12.62 | Hesperidin | C28H34O15 | 611.5 | 633.2, 593.3, 575.2, 303.4 | − | − | + | − |
| 8 b | 12.73 | Sesamoside | C17H24O12 | 421.4 | 863.4, 459.2, 443.2 | − | − | + | − |
tR Retention time; a Flavonoids identity confirmed with authentic standard; b Flavonoids tentatively identified; + = present and − = not detected.