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J Thai Trad Alt Med Vol. 21 No. 2 May-Aug 2023 321
Table 5 Mutation test results of R. nasutus root extract gel preparation
Tester strains Test samples Concentration Average of revertant colony/plate [background lawn]
( µg/plate) Without S9 mix With S9 mix
Test item : R. nasutus root extract gel (0.1% rhinacanthin C)
TA98 R. nasutus root 0 15.00 ± 2.65 [N] 36.00 ± 6.56 [N]
extract gel 5,000 16.67 ± 3.06 [N] 40.67 ± 12.66 [N]
1,500 18.67 ± 3.79 [N] 31.00 ± 3.46 [N]
500 23.67 ± 4.04 [N] 28.67 ± 4.73 [N]
150 17.67 ± 4.04 [N] 36.33 ± 7.09 [N]
50 20.67 ± 2.89 [N] 36.33 ± 0.58 [N]
15 21.33 ± 2.89 [N] 35.00 ± 1.00 [N]
TA100 R. nasutus root 0 148.33 ± 17.79 [N] 155.33 ± 1.15 [N]
extract gel 5,000 133.33 ± 4.73 [N] 155.33 ± 14.05 [N]
1,500 142.00 ± 12.53 [N] 149.00 ± 6.24 [N]
500 138.67 ± 13.43 [N] 156.33 ± 10.02 [N]
150 147.67 ± 11.02 [N] 158.00 ± 4.36 [N]
50 122.33 ± 8.39 [N] 165.33 ± 17.24 [N]
15 129.67 ± 8.74 [N] 153.00 ± 5.00 [N]
TA1535 R. nasutus root 0 12.67 ± 3.51 [N] 10.33 ± 5.03 [N]
extract gel 5,000 9.67 ± 6.03 [N] 11.00 ± 2.00 [N]
1,500 14.00 ± 1.00 [N] 8.33 ± 3.06 [N]
500 14.67 ± 2.52 [N] 11.00 ± 2.00 [N]
150 17.00 ± 5.00 [N] 11.00 ± 1.00 [N]
50 10.00 ± 1.73 [N] 13.67 ±4.04 [N]
15 11.33 ± 5.77 [N] 12.67 ± 7.64 [N]
TA1537 R. nasutus root 0 4.00 ± 1.00 [N] 13.33 ± 4.73 [N]
extract gel 5,000 6.67 ± 2.08 [N] 13.67 ± 3.79 [N]
1,500 5.00 ± 1.00 [N] 13.00 ±1.00 [N]
500 3.67 ± 2.08 [N] 15.33 ± 6.11 [N]
150 7.00 ± 2.65 [N] 9.00 ± 2.65 [N]
50 4.33 ± 1.53 [N] 15.00 ± 5.57 [N]
15 3.00 ± 1.00 [N] 13.67 ± 2.52 [N]
WP2 uvrA R. nasutus root 0 60.00 ± 11.14 [N] 49.33 ± 9.02 [N]
extract gel 5,000 62.67 ± 1.53 [N] 59.00 ± 9.54 [N]
1,500 59.00 ± 13.00 [N] 54.00 ± 9.54 [N]
500 60.00 ± 4.58 [N] 71.33 ± 5.51 [N]
150 64.00 ± 5.20 [N] 59.33 ± 8.05 [N]
50 65.00 ± 4.36 [N] 48.00 ±3.61 [N]
15 59.67 ± 10.60 [N] 50.67 ± 5.69 [N]
Positive controls :
TA98 2-NF 2.0 492.67 ± 30.92 [N] -
TA100 SA 0.5 494.67 ± 18.82 [N] -
TA1535 SA 0.5 379.00 ± 7.81 [N] -
TA1537 ICR-191 0.5 581.67 ± 50.21 [N] -
WP2 uvrA 4NQNO 0.5 373.33 ± 10.41 [N] -
TA98 NPD 20.0 - 132.67 ± 122.71 [N]
TA100 NPD 20.0 - 390.00 ± 6.56 [N]
TA1535 4NQNO 12.5 - 79.00 ± 11.00 [N]
TA1537 2NF 25.0 - 561.33 ± 5.51 [N]
WP2 uvrA 2-AA 20.0 - 742.77 ± 77.70 [N]
N means Normal of Background lawn (evaluated using inverted microscope)