Inhibition %

Treatments

20 µg/ml

50 µg/ml

100 µg/ml

150 µg/ml

200 µg/ml

Control

3.37^a ± 0.30

9.16^a ± 0.36

19.74^a ± 0.24

28.50^a ± 0.48

40.39^a ± 0.48

NaCl

8.56^c ± 0.24

17.48^c ± 0.31

26.75^c ± 0.36

39.79^c ± 0.18

53.31^c ± 0.48

Control + Zn-Ch

5.35^b ± 0.31

11.49^b ± 0.42

24.65^b ± 0.30

33.57^b ± 0.36

47.52^b ± 0.30

NaCl + Zn-Ch

9.27^d ± 0.54

20.49^d ± 0.42

32.82^d ± 0.36

46.37^d ± 0.24

58.66^d ± 0.36

EDTA standard

42.41^e ± 0.30

63.50^e ± 0.43

75.51^e ± 0.36

82.80^e ± 0.42

91.56^e ± 0.24

LSD (0.05)

0.68

0.77

0.54

0.60

0.71