Research Article

Protective Effects of Rooibos (Aspalathus linearis) and/or Red Palm Oil (Elaeis guineensis) Supplementation on tert-Butyl Hydroperoxide-Induced Oxidative Hepatotoxicity in Wistar Rats

Table 9

Effects of aqueous rooibos extract, RPO, and/or their combination on markers of lipid peroxidation in the plasma and liver of all experimental rats.

TreatmentPlasmaLiver
CD (nmol/L)MDA
(µmol MDA/L)
CD
(nmol/g tissue)
MDA
(µmol MDA/g tissue)

Negative control (water)71.67 ± 2.432.44 ± 0.097.29 ± 0.150.37 ± 0.09
Positive control (t-BHP)89.75 ± 1.30*2.72 ± 0.168.98 ± 0.12*0.62 ± 0.04**
RTE72.60 ± 1.242.55 ± 0.077.54 ± 0.170.10 ± 0.01*
RPO108.89 ± 13.4*2.52 ± 0.117.50 ± 0.120.10 ± 0.004*
RTE + RPO102.11 ± 4.91*2.49 ± 0.077.44 ± 0.170.11± 0.003*
RTE + t-BHP101.69 ± 5.18#2.61 ± 0.117.56 ± 0.21#0.10 ± 0.01*#
RPO + t-BHP103.67 ± 4.67#2.45 ± 0.137.98 ± 0.22#0.16 ± 0.06*#
RTE + RPO + t-BHP106.83 ± 2.15#2.42 ± 0.097.79 ± 0.11#0.11 ± 0.01*#

Values in columns are mean ± SEM of 8–10 rats per group. *Significantly different from negative control ( ). **Marginally different from negative control ( ). #Significantly different from positive control ( ). CD: conjugated diene, MDA: malondialdehyde, RTE: aqueous rooibos extract, RPO: red palm oil, t-BHP: tert-butyl hydroperoxide.