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Study Information
Study Attribute Value
CEBS Accession Number: 002-01948-0007-0000-1
Chemical Name: D-Mannitol
CASRN: 69-65-8
NTP Study Type: Genetic Toxicology - Bacterial Mutagenicity
NTP Study ID: 527050
Vehicle Control: Water
Study Result: Negative

Table Instructions and Notes:
You are currently viewing the results for this Salmonella study's detailed data.
Individual strain data is presented as mean ± standard error.
Abbreviations are noted at bottom of page.
Trial summary calls are shown in parentheses.
Standard NTP Protocol

Strain: TA100
Dose No Activation
(Negative)
No Activation
(Negative)
10% RLI
(Negative)
10% RLI
(Negative)
10% HLI
(Negative)
10% HLI
(Negative)
Protocol Preincubation Preincubation Preincubation Preincubation Preincubation Preincubation
ug/Plate Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM
 0         
126 5 131 1.5 121 4.7 133 1.8 103 4.8 145 5.5
100         
131 6.4 134 6.4 111 3.2 119 5.7 104 6.4 122 9.7
333         
131 4.8 120 7.6 112 2.3 139 8.4 112 3.6 140 4.7
1000         
125 5.4 135 10.1 114 3.9 129 .7 107 6.4 135 8.8
3333         
121 8.1 135 .7 122 3.6 129 6 100 5.3 128 10.4
10000         
120 6.9 140 2.4 102 5.5 133 4.3 101 6 118 6.5
Positive Control 2352 68.3 1718 52.2 1512 37.6 713 34.3 2323 71.9 1253 26.4

Strain: TA1535
Dose No Activation
(Equivocal)
No Activation
(Equivocal)
No Activation
(Negative)
10% RLI
(Negative)
10% RLI
(Negative)
10% HLI
(Negative)
10% HLI
(Negative)
Protocol Preincubation Preincubation Preincubation Preincubation Preincubation Preincubation Preincubation
ug/Plate Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM
 0         
29 3.7 19 1.5 43 6.2 10 1.9 12 1.3 10 1.2 9 2
100         
35 4.7 23 2.8 14 1.3 8 2.1 13 2.6 10 .6
333         
37 2.4 30 4.7 34 3.3 12 2.3 12 1.2 8 .3 10 2
1000         
29 .7 34 3.2 50 1 10 2 12 2 11 .3 6 1.8
2000         
45 6.4
3333         
50 2.9 28 3.5 57 4.8 11 3.7 13 .6 8 1.5 11 1.5
10000         
43 3.8 30 1.3 43 4.1 9 .7 12 1.7 9 3 11 2.6
Positive Control 1571 6.5 1449 52.2 1604 61.8 137 2.7 60 2.3 191 10.3 115 7.2

Strain: TA1537
Dose No Activation
(Negative)
No Activation
(Negative)
10% RLI
(Negative)
10% RLI
(Negative)
10% HLI
(Negative)
10% HLI
(Negative)
Protocol Preincubation Preincubation Preincubation Preincubation Preincubation Preincubation
ug/Plate Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM
 0         
6 2.1 5 1.7 9 .9 5 1.8 7 2.4 7 .9
100         
6 .9 7 .6 8 1.3 8 1.7 10 1.2 6 1.5
333         
7 .6 6 1.7 9 1 7 .7 12 1.9 9 .3
1000         
8 .9 6 1.2 8 2.5 7 .9 9 1.8 8 .7
3333         
7 1.8 6 1.5 10 2 11 1.7 10 1.9 8 .7
10000         
6 1.2 9 .7 9 2.3 8 .6 11 2.7 10 1.9
Positive Control 363 86.6 578 110.7 81 21.3 34 9.5 241 31.9 120 22.9

Strain: TA98
Dose No Activation
(Negative)
No Activation
(Negative)
10% RLI
(Negative)
10% RLI
(Negative)
10% HLI
(Negative)
10% HLI
(Negative)
Protocol Preincubation Preincubation Preincubation Preincubation Preincubation Preincubation
ug/Plate Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM Mean ±SEM
 0         
24 2.3 19 2.1 35 1.8 29 3.7 34 3.8 27 2.4
100         
16 4.7 23 2.1 28 3.6 43 5.9 31 .7 32 3.1
333         
23 2.4 17 1.8 28 2.4 36 4.9 30 3.7 38 4.6
1000         
18 2.2 17 3 28 2.3 29 1.9 32 2.6 41 7.7
3333         
18 4 23 4.2 30 3.8 33 1.9 30 1.5 32 3.2
10000         
14 2 16 1.2 29 6.1 26 2.8 27 5.5 31 4.5
Positive Control 1874 66.2 1477 87 1111 106.6 315 26.9 1398 141 885 27.5

Abbreviations:
RLI = induced male Sprague Dawley rat liver S9
HLI = induced male Syrian hamster liver S9
s = Slight Toxicity; p = Precipitate; x = Slight Toxicity and Precipitate; t = Toxic;