Antimicrobial, Cytotoxic, and Antioxidant Potential of a Novel Flavone “6,7,4′-Trimethyl Flavone” Isolated from Wulfenia amherstiana

Table 2

¹³C-NMR and ¹H-NMR data of rutin.

No.	^13C-NMR (PPM)	^1H-NMR (PPM)
1
2	156.4
3	135.1
4	178.2
5	161.8	12.56 (1H, s)
6	98.3	6.18 (1H, d), J = 1.8 Hz
7	162.8	10.81 (1H, s)
8	94	6.41 (1H, d), J = 1.8 Hz
9	158.8
10	104.5
1′	122.8
2′	115.3	7.54 (1H, d), J = 2.1 Hz
3′	145.9	9.67 (1H, s)
4′	146.5	9.18 (1H, s)
5′	157.2	6.85 (l H, d), J = 8.8 Hz
6′	121.8	7.56 (1H, dd), J = 9.0 Hz, 2.1 Hz
1″	109.8	5.30 (1H, m)
2″	75.4	3.71 (1H, m)
3″	76	3.43 (1H, m)
4″	72.9	1.84 (2H, m)
5″	75.8	3.92 (1H, m)
6″	69.5	3.38 (2H, d), J = 2.6 Hz
1‴	112	5.19 (1H, d), J = 1.6 Hz
2‴	73.8	3.73 (1H, m)
3‴	72.4	3.49 (1H, m)
4‴	73.7	3.44 (1H, m)
5‴	74.2	3.85 (1H, d), J = 2.4 Hz
6‴	60.6	3.85 (3H, d), J = 6.8 Hz

J is the coupling constant and is measured in Hz.