Table 1.

Changes in APD90 (ΔAPD90) after 5- or 30-min incubation in 10 µg/ml of the indicated extracts.

Extract (applied at 10 µg/ml)	ΔAPD90 (after 5 min), %	ΔAPD90 (after 30 min), %	DHE (mg/g)	Hortiamine (mg/g)
Low-arrhythmogenic
EP1	0 ± 1	4 ± 1	0.45	0.32
EF2	7 ± 2	11 ± 4	2.65	0.23
EF1	-4 ± 1	12 ± 1	2.5	0.97
EP3	8 ± 1	14 ± 1	1.07	0.07
EP2	10 ± 1	18 ± 1	2.25	0.11
EP5	6 ± 1	18 ± 1	1.31	0.21
EF6	23 ± 4	42 ± 3	4.46	0.21
Intermediate-arrhythmogenic
EF3	29 ± 3	54 ± 2	3.36	0.19
EF4	41 ± 3	68 ± 2	4.92	0.34
EF7	34 ± 2	108 ± 38	3.54	0.35
High-arrhythmogenic
EF5	182 ± 18	AP oscillations	5.97	0.96
EP4	92 ± 9	AP oscillations	5.17	0.70