Research Article

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).

ConstituenEEMPF1F2F3F4F5

1nd0.10Q0.47Q
20.20Q1.17Q0.94Q
3nd2.23K3.00K
40.57K2.45K2.01K
51.03K3.73K3.04K
60.09Q0.35Q4.65Q5.18Q
70.37Q1.63Q0.89Q19.35Q8.39Q
80.10K0.51K0.50K
90.09Q0.48Q0.91Q6.51Q8.42Q
100.18K0.67K0.48K5.5K1.84K
110.99K3.04K2.42K19.71K4.42K
12nd7.47Q8.39Q
13nd4.15K
140.51Q3.13Q3.65Q34.51Q47.06Q
15nd2.54K7.89K
16nd2.47Q3.68Qnd
170.59Q3.26Q0.13Q3.06Q2.16Q70.96Q58.31Q
18nd2.94K1.70K
190.48K0.97K2.13K29.68K
20nd2.23Qnd

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.