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. 2022 Jun 16;14(12):2496. doi: 10.3390/nu14122496

Table 1.

Structural formulas of selected flavonoid aglycons and glycosides.

graphic file with name nutrients-14-02496-i001.jpg
Compound R1 R2 R3 R4 R5
Kaemferol H H H H OH
Kaemferol 3-O-glucoside H H H H O-glucose
Kaemferol 7-O-glucoside glucose H H H OH
Kaemferol 7-O-rhamnoside rhamnose H H H OH
Quercetin H OH H H OH
Quercetin 3-O-glucoside H OH H H O-glucose
Quercetin 3-O-galactoside H OH H H O-galactose
Quercetin 3-O-rhamnoside H OH H H O-rhamnose
Quercetin 7-O-glucoside glucose OH H H OH
Rutin H OH H H O-rutinose
Quercetin 3-O-glucuronide H OH H H O-glucuronic acid
Apigenin H H H H H
Luteolin H OH H H H
Myricetin H OH H OH OH