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. 2020 Jun 18;9(6):800. doi: 10.3390/foods9060800

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.