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Study Information
Study Attribute Value
CEBS Accession Number: 002-03239-0002-0000-1
Chemical Name: DL-menthol
CASRN: 89-78-1
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 097978_SCE
Study Result: Negative (Nonstandard Protocol)


Table Instructions and Notes:

Below are the detailed Sister Chromatid Exchange data. You may also view the summary data for this study.


Detailed Sister Chromatid Exchange Data (Trial 1)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
10/08/1987 Bone Marrow 23 Male Mouse B6C3F1 IP/IJ x 1,  23 hour Negative (Nonstandard Protocol)

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Corn Oil
 0         
6663 25 4.91 ± 0.528
    6664 25 3.41 ± 0.427
    6665 25 3.65 ± 0.325
    6666 25 4.34 ± 0.353
Average   4.08 ± 0.341
 
Test Chemical DL-menthol
225         
6648 25 3.31 ± 0.415
    6649 25 3.85 ± 0.393
    6650 25 3.50 ± 0.318
    6651 25 4.57 ± 0.355
Average   3.81 ± 0.277
 
Test Chemical DL-menthol
450         
6653 25 4.54 ± 0.389
    6655 25 2.26 ± 0.275
    6656 25 3.65 ± 0.380
    6657 25 3.14 ± 0.346
Average   3.40 ± 0.478
 
Test Chemical DL-menthol
900         
6658 25 4.81 ± 0.494
    6659 25 6.08 ± 0.665
    6660 25 2.72 ± 0.268
    6662 25 4.34 ± 0.523
Average   4.48 ± 0.694
 
Positive Control Dimethylbenzanthracene
2.5       
6668 25 4.94 ± 0.421
    6669 25 4.69 ± 0.409
    6670 25 5.86 ± 0.505
    6671 25 6.85 ± 0.548
Average   5.59 ± 0.490
 

Footnotes:
IP/IJ: Intraperitoneal Injection
n: Number of animals analyzed