Evaluating the anti Mycobacterium tuberculosis activity of Alpinia galanga (L.) Willd. axenically under reducing oxygen conditions and in intracellular assays

Table 2 Antimycobacterial activity of different extracts of A. galanga using microplate alamar blue assay

Strains	1: 100 VMTB	VMTB	A. galanga extracts
			Acetone (μg/ml)			Ethanolic (μg/ml)
			25	50	100	25	50	100
% reduction of Alamar Blue dye
H37Rv	21.71 ± 2.84	66.05 ± 5.03	56.76 ± 9.51	25.10 ± 11.15	18.51 ± 3.84	57.27 ± 6.11	14.13 ± 6.46	12.88 ± 7.10
S1	21.09 ± 3.42	56.27 ± 2.30	53.84 ± 2.47	48.93 ± 11.10	21.16 ± 6.22	47.75 ± 13.04	35.60 ± 2.62	16.63 ± 4.40
S2	22.33 ± 7.00	59.17 ± 4.93	52.78 ± 6.74	42.90 ± 12.23	15.23 ± 6.17	41.45 ± 5.70	14.31 ± 6.64	14.87 ± 7.91
S3	19.83 ± 1.80	59.74 ± 10.58	55.58 ± 17.71	52.89 ± 16.92	18.21 ± 2.29	42.05 ± 6.60	32.15 ± 7.40	18.55 ± 4.40
R1	14.40 ± 5.71	51.08 ± 11.91	34.01 ± 6.32	25.57 ± 6.85	21.24 ± 5.62	23.39 ± 3.53	16.89 ± 1.10	13.08 ± 5.78
R2	22.11 ± 2.47	60.93 ± 9.00	53.38 ± 8.37	36.98 ± 8.84	20.04 ± 1.22	36.49 ± 4.06	19.74 ± 4.38	15.74 ± 3.86
R3	16.73 ± 4.14	50.50 ± 4.04	37.10 ± 5.03	30.48 ± 8.23	13.95 ± 2.06	42.59 ± 7.22	14.25 ± 3.88	12.25 ± 2.87

Values in bold indicate those parameters for which the percent reduction in plant extract containing wells was less than that for the 1:100 VMTB control.

ISSN: 2662-7671