Research Article

Chronic Administration of Oil Palm (Elaeis guineensis) Leaves Extract Attenuates Hyperglycaemic-Induced Oxidative Stress and Improves Renal Histopathology and Function in Experimental Diabetes

Table 2

Effect of OPLE on renal functional parameters.

NondiabeticDiabetic controlDiabetic + OPLEDiabetic + OPLE
200 mg kg−1500 mg kg−1
(4 week)(4 week)(4 week)(4 week)
(12 week)(12 week)(12 week)(12 week)

Renal blood flow mL min−1 g−1 kidney1.43 ± 0.102.27 ± 0.391.72 ± 0.261.80 ± 0.03
1.66 ± 0.142.49 ± 0.16aaa1.78 ± 0.06bb1.47 ± 0.05bbb
Glomerular filtration rate mL min−1 g−1 kidney0.61 ± 0.060.96 ± 0.04aa0.67 ± 0.07b0.63 ± 0.09b
0.50 ± 0.050.84 ± 0.06aa0.75 ± 0.06a0.58 ± 0.02b
Urine flow rate L min−1 g−1 kidney3.75 ± 0.5910.68 ± 1.30aaa5.27 ± 0.45bb5.80 ± 0.80bb
2.89 ± 0.347.84 ± 0.70aaa6.42 ± 0.50aa5.29 ± 0.70a,b
Urinary protein excretion mg 2 h−11.33 ± 0.036.83 ± 0.30aaa2.87 ± 0.17a,bbb1.89 ± 0.34bbb
1.13 ± 0.054.66 ± 0.73aaa2.92 ± 0 .26a,b2.68 ± 0.21a,bb
Fractional sodium excretion %0.63 ± 0.191.34 ± 0.340.96 ± 0.220.90 ± 0.17
0.56 ± 0.081.08 ± 0.230.76 ± 0.240.79 ± 0.23

Data are expressed as mean ± SEM of six experiments for each group. a ; aa ; aaa versus corresponding nondiabetic; b ; bb ; bbb versus corresponding diabetic control.