Table 1 The KD-values of compound peaks in HSCCC separation with different solvent systems.

From: Flavonoid epimers from custard apple leaves, a rapid screening and separation by HSCCC and their antioxidant and hypoglycaemic activities evaluation

Solvent system

KD-values of the isolated compounds

1

2

3

4

5

CHCl3/MeOH/H2O (4:3:3, v/v)

5.18

7.65

6.49

14.36

12.45

n-hexane/EtOAc/MeOH/H2O (5:5:2:8, v/v)

<<1

<<1

<<1

<<1

<<1

EtOAc/H2O (1:1, v/v)

0.12

0.19

0.58

0.14

0.18

EtOAc/n-BuOH/H2O (4.5:0.5:5, v/v)

0.66

0.74

3.28

0.77

1.04

EtOAc/n-BuOH/H2O (4:1:5, v/v)

1.76

2.03

5.35

2.47

3.18