Table 2.

Impact of Heavy metal concentrations on glucose and glycogen content of C. punctatus.

Tissues	Reference	Exposed	Percent change over control (%)
	Glucose/Glycogen content
Blood (glucose)	1.71 ± 0.02	1.34 ± 0.10	−21.0
Liver (glycogen)	3.90 ± 0.02	1.52 ± 0.01⁎⁎⁎	−61.0
Muscle (glycogen)	1.19 ± 0.01	0.63 ± 0.02⁎⁎	−47.0

Values are mean ± S.D (n = 8).

Blood glucose is given in mg %.

Glycogen values are given in mg/g.

Student’s t- test was used to test the significance.

+/− indicates increase or decrease over reference.

^⁎⁎⁎Significant at p < 0.001.

^⁎⁎Significant at p < 0.01.