Table 3

Flavonoids found in the flowers of various plants
N. sanderae N. langsdorffii LxS 552 #11-7
Compounds found a (%) (%) (%)
Caffeic acid-glucoside 2.07 nf b nf
Quercetin-3-sophorosyl-glucoside 0.75 0.51 nf
Quercetin-3-caffeoyl-sophoroside-7-glucoside 7.35 10.09 6.16
Quercetin-3,7-diglucoside 0.17 8.52 8.92
Quercetin-3-sophoroside 2.86 0.47 0.15
Quercetin-7-glucoside 32.38 72.22 50.20
Quercetin-3-glucoside nf nf nf
Total 45.58 91.81 65.43
a These compounds were identified by comparison of elution times with known Petunia flavonoids.
b nf = not found.