Table 2.

Antiplatelet activity of Tb-01 and ethanolic extract of Terminalia belerica fruit

Test tube No.	Conc. of drugs (μg/mL)	Optical density
		Tb-01	Ethanolic ext.	Aspirin
1.	0.0	0.121 ± 0.023	0.121 ± 0.023	0.121 ± 0.023
2.	1.0	0.232 ± 0.017	0.198 ± 0.014	0.164 ± 0.023
3.	2.0	0.363 ± 0.028*	0.278 ± 0.017	0.186 ± 0.028
4.	3.0	0.461 ± 0.025*	0.381 ± 0.023*	0.242 ± 0.019
5.	4.0	0.582 ± 0.017*	0.464 ± 0.014*	0.322 ± 0.024*
6.	5.0	0.676 ± 0.028**	0.521 ± 0.017**	0.384 ± 0.026*
7.	6.0	0.781 ± 0.019**	0.596 ± 0.023**	0.434 ± 0.017*
8.	7.0	0.834 ± 0.016**	0.651 ± 0.019**	0.514 ± 0.024**
9.	8.0	0.917 ± 0.026**	0.728 ± 0.021**	0.587 ± 0.018**

Data were expressed as mean ± standard deviation (n = 3). One-way analysis of variance was performed followed by Dunnett test.

*p < 0.05 and **p < 0.01 compared with resting platelets (control).

1 mL of diluted platelet rich plasma and 0.2 mL of collagen (2 μg/mL) were taken in each tube.