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Table 4 Mutagenic effect of different Accacia salicina leaf extracts in S.typhimurium TA104 and TA102 assay systems in the presence and absence of an exogenous metabolic activation system (S9)

From: Antimutagenic and free radical scavenger effects of leaf extracts from Accacia salicina

Extracts

Doses

(μg/plate)

TA 104

TA 102

  

-S9

+S 9

-S9

+S9

Spontaneous

-

312 ± 8

335 ± 11

244 ± 18

265 ± 25

PC

-

2144 ± 23

1149 ± 15

1721 ± 24

652 ± 10

Petroleum ether extract

25

352 ± 21

375 ± 18

289 ± 11

294 ± 14

 

10

348 ± 14

369 ± 17

260 ± 14

284 ± 15

Chloroform extract

5

336 ± 16

361 ± 19

249 ± 13

270 ± 17

 

25

336 ± 10

359 ± 21

299 ± 13

304 ± 12

 

10

328 ± 11

353 ± 13

249 ± 13

289 ± 15

Ethyl Acetate extract

5

318 ± 10

344 ± 9

242 ± 15

275 ± 19

 

25

381 ± 15

363 ± 16

254 ± 22

304 ± 14

 

10

333 ± 17

356 ± 20

246 ± 12

294 ± 11

 

5

322 ± 25

340 ± 09

242 ± 18

272 ± 19

  1. Positive control (PC): S. typhimurium TA104/-S9, MMS (325 μg/plate); S. typhimurium TA104/+S9, 2-AA (5 μg/plate); S. typhimurium TA102/-S9, MMS (130 μg/plate); S. typhimurium TA102/+S9, 2 AA (10 μg/plate).
  2. MMS: Methylmethane sulfonate, 2-AA: 2-amino anthracene