Table 1.

Diameters of the inhibition zones by leaves extracts of methanol.

Leaf extracts	Volume of extract (ml)	100 mg/ml	50 mg/ml	25 mg/ml	10 mg/ml	5 mg/ml
Lawsonia inermis	0.2	27 ± 0.13	24 ± 0.26	21 ± 0.17	18 ± 0.04	17 ± 0.22
Withania somnifera	0.2	24 ± 0.11	22 ± 0.08	20 ± 0.22	18 ± 0. 34	16 ± 0.16
Zingiber officinale	0.2	22 ± 0.25	21 ± 0.15	18 ± 0.09	15 ± 0.43	13 ± 0.12
Curcuma longa	0.2	30 ± 0.57	27 ± 0.21	26 ± 0.42	23 ± 0.13	22 ± 0.06
Cymbopogon citrates	0.2	19 ± 0.49	18 ± 0.39	13 ± 0.19	12 ± 0.28	11 ± 0.21
Tamarindus indica	0.2	14 ± 0.09	14 ± 0.20	13 ± 0.28	11 ± 0.24	10 ± 0.36
Limonia acidissima	0.2	10 ± 0.16	09 ± 0.11	08 ± 0.24	08 ± 0.16	07 ± 0.04
Psidium guajana	0.2	15 ± 0.20	13 ± 0.18	12 ± 0.02	12 ± 0.17	10 ± 0.17
Annona reticulata	0.2	12 ± 0.19	11 ± 0.23	10 ± 0.34	09 ± 0.12	08 ± 0.17
Swertia chirata	0.2	16 ± 0.28	15 ± 0.18	1 ± 0.14	11 ± 0.29	10 ± 0.43
Euphorbia hirta	0.2	30 ± 0.32	28 ± 0.06	27 ± 0.20	26 ± 0.23	24 ± 0.15
Pogostemon parviflorus	0.2	26 ± 0.41	22 ± 0.16	19 ± 0.14	17 ± 0.41	15 ± 0.06
Adenocalymma alliacum	0.2	25 ± 0.22	23 ± 0.03	22 ± 0.31	17 ± 0.02	14 ± 0.23
Echinophora platybola	0.2	31 ± 0.17	25 ± 0.12	23 ± 0.22	21 ± 0.19	20 ± 0.20
Cuminum cyminum	0.2	18 ± 0.19	15 ± 0.23	13 ± 0.34	11 ± 0.12	07 ± 0.17