Plant Species

10% Acetic Acid

Hexan

Ethyl Acetate

Ethanol

RP-HPLC-bound

RP-HPLC-unbound

C. album

0

0

0

<8

0

P. major

0

22 ± 2

0

0

0

E. elongata

0

22 ± 1

0

0

0

F. ulmaria

0

16 ± 1

0

0

0

N. sativa

0

0

16 ± 2

16 ± 1

0