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Table 5 Number of his + revertants in Salmonella typhimurium strains TA98 and TA100 produced by isolated compounds

From: Antimicrobial activity, toxicity and selectivity index of two biflavonoids and a flavone isolated from Podocarpus henkelii (Podocarpaceae) leaves

  

TA98

  

TA98

 

No. of colonies

No. of colonies

 

Concentration (μg/ml)

 

Concentration (μg/ml)

Compounds

1000

100

10

1000

100

10

TMA

23 ± 5.3

28.3 ± 3.2

26.7 ± 3.8

176 ± 31.8

139 ± 2.5

138 ± 67

IGG

25.3 ± 4.6

25.3 ± 4.6

25.5 ± 2.1

170.3 ± 225

169 ± 14.6

154 ± 4.4

PFA

N/D

N/D

N/D

N/D

N/D

N/D

Spontaneous

19.3 ± 4

  

152 ± 10

  

4NQO

170.3 ± 20

  

960 ± 35.1

  
  1. N/D = Not determined.