Antiproliferative Activity of Flavonoids from Croton sphaerogynus Baill. (Euphorbiaceae)
Table 4
Relative amount of major flavonoids in crude EtOH extract (EE), MeOH phase (MP), and fractions (F1–F5) of C. sphaerogynus, detected by HPLC-DAD (352 nm).
Constituen
EE
MP
F1
F2
F3
F4
F5
1
nd
0.10Q
—
0.47Q
—
—
—
2
0.20Q
1.17Q
0.94Q
—
—
—
—
3
nd
—
—
2.23K
3.00K
—
—
4
0.57K
2.45K
2.01K
—
—
—
—
5
1.03K
3.73K
3.04K
—
—
—
—
6
0.09Q
0.35Q
—
4.65Q
5.18Q
—
—
7
0.37Q
1.63Q
0.89Q
19.35Q
8.39Q
—
—
8
0.10K
0.51K
0.50K
—
—
—
—
9
0.09Q
0.48Q
—
0.91Q
6.51Q
8.42Q
—
10
0.18K
0.67K
0.48K
5.5K
1.84K
—
—
11
0.99K
3.04K
2.42K
19.71K
4.42K
—
—
12
nd
—
—
7.47Q
8.39Q
—
—
13
nd
—
—
4.15K
—
—
—
14
0.51Q
3.13Q
—
3.65Q
34.51Q
47.06Q
—
15
nd
—
—
2.54K
7.89K
—
—
16
nd
—
—
2.47Q
3.68Q
nd
—
17
0.59Q
3.26Q
0.13Q
3.06Q
2.16Q
70.96Q
58.31Q
18
nd
—
—
2.94K
1.70K
—
—
19
0.48K
0.97K
—
—
2.13K
29.68K
—
20
nd
—
—
—
2.23Q
nd
—
Identification suggestions in Table 1.
QValues expressed as milligram per gram of quercetin equivalent (mg/g QE).
KValues expressed as milligram per gram of kaempferol equivalent (mg/g KE). nd: trace amounts.