Table 4.

Contents of tropane alkaloids (hyoscyamine and scopolamine, % of dry weight) in wild and in vitro plants and callus cultures of H. aureus. Values are the mean (±S.E.) of five replicates, and different letters within columns indicate significant differences (P <0.05)

	Hyoscyamine	Scopolamine
Wild plants	0.10 ± 0.001 b	0.242 ± 0.002 a
In vitro plant	0.17 ± 0.006 a	0.063 ± 0.001 b
Line A	0.19 ± 0.006 a	0.020 ± 0.001 c
Line B	0.06 ± 0.012 c	0.000 ± 0.000 d