Table 3.

HPLC quantification of flavonoids in aqueous rooibos tea extract consumed by rats.

Phenolic compound	Concentration (µg/mL)	% of Soluble solids	Daily intake (mg/100 g BW)
Aspalathin	28.32 ± 1.65	1.03 ± 0.06	0.24 ± 0.01
Orientin	16.94 ± 1.67	0.62 ± 0.06	0.15 ± 0.01
Isoorientin	23.64 ± 2.34	0.86 ± 0.09	0.20 ± 0.02
Vitexin	6.06 ± 0.61	0.22 ± 0.02	0.05 ± 0.01
Isovitexin	6.50 ± 0.68	0.24 ± 0.02	0.06 ± 0.01
Hyperoside/rutin	14.55 ± 1.30	0.53 ± 0.05	0.13 ± 0.01
Quercetin	0.89 ± 0.11	0.03 ± 0.003	0.01 ± 0.001
Luteolin	0.22 ± 0.03	0.01 ± 0.001	Trace amount
Chrysoeriol	0.23 ± 0.02	0.01 ± 0.001	Trace amount
Soluble solids (mg/mL) 2.74 ± 0.26

Values are mean ± SEM (n = 4). BW (body weight).