Research Article

An Evaluation of the Genotoxicity and Subchronic Oral Toxicity of Synthetic Curcumin

Table 4

Summary data for chromosome aberrations.

Short Term ExposureContinuous Exposure
In the Absence of Metabolic Activation SystemIn the Presence of Metabolic Activation SystemIn Absence of Metabolic Activation System
Concentration (g/mL) Aberrated Cells (Structural)  
Numerical Aberration Mean ± SD
Concentration (g/mL) Aberrated Cells (Structural)  
Numerical Aberration Mean ± SD
Concentration (g/mL) Aberrated Cells (Structural)  
Numerical Aberration Mean±SD
Including Gap #  
Mean ± SD
Excluding Gap #  
Mean ± SD
Including Gap #  
Mean ± SD
Excluding Gap #  
Mean ± SD
Including Gap #  
Mean ± SD
Excluding Gap #  
Mean ± SD

Vehicle
Control 0.0
1.00 ± 0.470.67 ± 0.940.40 ± 0.57Vehicle Control 0.01.33 ± 0.001.00 ± 0.470.00 ± 0.00Vehicle Control 0.01.34 ± 0.941.34 ± 0.940.00 ± 0.00

10.01.33 ± 0.001.00 ± 0.470.40 ± 0.006.30.67 ± 0.000.34 ± 0.471.00 ± 0.286.31.67 ± 0.471.33 ± 0.000.20 ± 0.28

20.03.34 ± 1.893.00 ± 1.410.60 ± 0.2812.52.00 ± 0.951.67 ± 0.470.40 ± 0.0012.51.33 ± 0.001.33 ± 0.000.20 ± 0.28

40.01.67 ± 0.471.67 ± 0.470.40 ± 0.0025.04.33 ± 4.33 ± 0.60 ± 0.2825.02.33 ± 1.412.00 ± 0.950.20 ± 0.28

MMC 0.2512.33   ± 0.4712.33   ± 0.470.00 ± 0.00CPA 12.517.67   ± 3.3017.33   ± 2.830.20 ±0.28MMC 0.2511.33   ± 0.0011.33   ± 0.000.00 ± 0.00

Historical Vehicle  
Control
0.89–1.610.40–0.94NAHistorical Vehicle Control0.82–1.390.46–1.04NAHistorical Vehicle Control0.76–1.610.39–1.07NA

CPA, cyclophosphamide, positive control; MMC, mitomycin C, positive control; SD, standard deviation; VC, vehicle control (dimethyl sulfoxide); , significantly increased at 5 % in two sided Fisher’s Exact Test; , significantly increased at 1 % in two sided Fisher’s Exact Test; #, number of aberrant cells; , numbers reported are the 95% confidence interval; NA, not applicable.