Table 4.

Effects of protopanaxatriol on thrombin-induced human platelet aggregation

Treatment (μM)	Aggregation (%)	Treatment (μM)	Aggregation (%)
Thrombin (0.05 U/mL)	86.7 ± 1.5	–	–
Ginsenoside Re		Ginsenoside Rg2 (20R)
50	82.7 ± 1.2	50	84.0 ± 2.6
100	82.3 ± 1.5	100	87.0 ± 1.0
200	85.3 ± 2.5	200	85.3 ± 2.9
300	84.7 ± 0.6	300	86.0 ± 2.6
Ginsenoside Rf		Ginsenoside Rh1 (20S)
50	82.7 ± 2.1	50	84.3 ± 1.5
100	86.7 ± 1.5	100	83.3 ± 2.1
200	84.7 ± 0.6	200	82.7 ± 1.2
300	83.0 ± 1.0	300	85.3 ± 2.5
Ginsenoside Rg1
50	84.3 ± 2.1	–	–
100	83.0 ± 1.7	–	–
200	84.7 ± 4.0	–	–
300	85.0 ± 1.0	–	–

Results are expressed as percentage of aggregation induced by thrombin. The data are expressed as the mean ± standard deviation (n = 4)