Table 3 In vitro antitrypanosomal activity and IC₅₀ values of biologically active methanolic extracts of different parts of bluebell plants against the blood stream form Trypanosoma brucei brucei TC221.

Sample code	Sample collection date	Plant part	IC₅₀ (µg/mL)	% Growth inhibition
3	16 April 2014	Bulbs	15.2	99.6
12	29 October 2014	Bulbs	37.3	62.0
16	03 April 2014	Leaves	23.0	99.5
17	16 April 2014	Leaves	22.4	99.7
18	01 May 2014	Leaves	13.3	99.4
19	15 May 2014	Leaves	15.8	99.9
20	29 May 2014	Leaves	23.5	99.9
21	12 June 2014	Leaves	22.6	99.2
23	16 April 2014	Scapes	35.8	72.0
30	24 March 2014	Shoots	22.1	99.5
32	04 March 2015	Shoots	23.3	99.5
33	16 March 2015	Shoots	23.5	98.6
34	03 April 2014	Flowers	14.9	99.8
35	16 April 2014	Flowers	14.5	98.2
36	01 May 2014	Flowers	23.5	99.2
37	15 May 2014	Flowers	40.9	57.4
38	29 May 2014	Flowers	11.1	99.1
39	12 June 2014	Flowers	23.3	98.4
40	03 July 2014	Flowers	18.5	99.0
41	17 July 2014	Flowers	23.4	99.2

Test solution concentration used is 10 µg/mL and end results were collected after 72 h.

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