Table 3.

Main metabolites detected in active fraction of Cytisus striatus leaves.

	Chemical formula	1H-NMR (CD3OD-d4; δ (ppm))
Apigenin	C15H9O5	6.19 (H6, d, J = 1.9), 6.43 (H8, d, J = 1.9), 6.57 (H3, s), 6.92 (H3′/H5′, d, J = 8.8), 7.84 (H2′/H6′, d, J = 8.8)
Chrysin	C15H10O4	6.18 (H6, d, J = 1.9), 6.42 (H8, d, J = 1.9), 6.70 (H3, s), 7.56 (H3′/H4′/H5′, m); 7.97 (H2′/H6′, d, J = 7.8)
Luteolin	C15H9O6	6.19 (H6, d, J = 1.9), 6.42 (H8, d, J = 1.9), 6.53 (H3, s), 6.89 (H5′, d, J = 8.4), 7.37 (H6′, dd, J = 8.4, 1.9), 7.37 (H2′, d, J = 1.9)
Daidzein	C15H10O4	6.83 (H3′/H5′, d, J = 8.4), 6.84 (H8, d, J = 1.8), 6.92 (H6, dd, J = 9.0, 2.4), 7.36 (H2′/H6′, d, J = 8.4), 8.04 (H5, d, J = 8.4), 8.12 (H2, s)
3′-Hydroxydaidzein	C15H9O5	6.79 (H8, d, J = 1.8), 6.82 (H5′/H6′, m), 6.90 (H6, dd, J = 9.0, 2.4),7.00 (H2′, d, J = 1.8), 8.02 (H5, d, J = 8.4), 8.08 (H2, s),
Genistein	C15H9O5	6.20 (H6, d, J = 2.1), 6.32 (H8, d, J = 2.1), 6.84 (H3′/H5′, d, J = 8.4), 7.36 (H2′/H6′, d, J = 8.4), 8.04 (H2, s)
2′-Hydroxygenistein	C15H10O6	6.15 (H6, d, J = 1.8), 6.26 (H8, d, J = 1.8), 6.37 (H5′, dd, J = 7.8, 2.4), 6.39 (3′H, d, J = 1.8), 7.03 (H6′, d, J = 8.4), 7.95 (H2, s)

¹H-NMR data are measured in ppm and coupling constants (J) in Hertz.