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Table 6 Ames test results of Py-mulin using S. typhimurium strains TA97, TA98, TA100, TA102 and TA1535

From: Acute, subacute oral toxicity and Ames test of Py-mulin: an antibacterial drug candidate

Substance

Dose (μg/plate)

TA97

TA98

TA100

TA1535

- S9

+ S9

- S9

+ S9

- S9

+ S9

- S9

+ S9

Py-mulin

1000

46.3 ± 3.5**

55.0 ± 4.6**

21.0 ± 2.6

19.7 ± 3.5

36.7 ± 3.1**

38.0 ± 3.6**

20.7 ± 3.1

27.3 ± 2.5

200

62.0 ± 5.3

62.7 ± 4.2**

22.7 ± 3.1

26.7 ± 2.5

83.7 ± 4.5*

73.3 ± 3.1**

25.0 ± 2.6

38.7 ± 3.5

40

72.0 ± 3.6

77.7 ± 3.2

33.3 ± 4.5

28.0 ± 4.9

93.7 ± 4.2

89.0 ± 8.5

34.3 ± 4.0

41.7 ± 4.7

8

80.3 ± 4.7

79.3 ± 5.1

23.7 ± 4.0

24.7 ± 5.5

105.7 ± 6.7

101.3 ± 3.5

38.7 ± 4.7

36.7 ± 5.0

1.6

76.3 ± 5.6

94.3 ± 4.0

32.7 ± 3.5

31.7 ± 3.1

112.0 ± 5.3

115.0 ± 5.0

42.0 ± 4.4

44.3 ± 5.5

Vehicle control

84.0 ± 5.0

98.3 ± 5.1

24.7 ± 3.5

29.7 ± 2.1

111.3 ± 4.2

120.0 ± 5.6

34.7 ± 4.2

43.3 ± 5.7

Positive control

737.3 ± 13.3**

964.7 ± 13.0**

567.7 ± 11.5**

614.0 ± 15.1**

913.3 ± 20.8**

1212.3 ± 12.9**

583.0 ± 13.7**

746.3 ± 12.6**

  1. Note: The numbers indicate the means and standards deviation values of CFU in triplicate assay systems
  2. + S9: with metabolic activation; − S9: without metabolic activation
  3. Vehicle contro: DMSO (100 μL/plate)
  4. Positive control: 2-aminofluorene for all strains with S9; Fenaminosulf for all strains without S9
  5. *p < 0.05, **p < 0.01 vs. vehicle control