been proposed that other components such as vitamins C [28] and E
[29] in tomato have a synergistic antioxidant effect with lycopene,
so it is likely that other nutrients in tomato juice also play a role in
the antioxidant effects that we observed. In this study we selected
tomato juice among the tomato products because its lycopene
content is higher than whole tomato (tomato juice: 9318 mg/100 g
versus raw whole tomato: 3025 mg/100 g) [30] and also tomato
juice consumption is easy. Our study has some limitations,
including a small sample size and a short intervention period. The
disparity in the number of subjects in the overweight and obese
groups may be the cause of different findings between two groups.
So, further clinical studies with a larger sample size or the same
number of the subjects in each group are needed to evaluate the
beneficial effects of tomato juice on oxidative stress. Despite these
limitations, this study is among the few studies that determining
the effects of tomato juice on blood antioxidant parameters in
overweight and obese females.
Our results suggest that tomato juice consumption can reduce
oxidative stress markers in overweight (and possibly obese) females.
Thus, the increase of tomato consumption may be useful for
reducing diseases associated with oxidative stress such as CVD and
diabetes, which are related to obesity.
been proposed that other components such as vitamins C [28] and E[29] in tomato have a synergistic antioxidant effect with lycopene,so it is likely that other nutrients in tomato juice also play a role inthe antioxidant effects that we observed. In this study we selectedtomato juice among the tomato products because its lycopenecontent is higher than whole tomato (tomato juice: 9318 mg/100 gversus raw whole tomato: 3025 mg/100 g) [30] and also tomatojuice consumption is easy. Our study has some limitations,including a small sample size and a short intervention period. Thedisparity in the number of subjects in the overweight and obesegroups may be the cause of different findings between two groups.So, further clinical studies with a larger sample size or the samenumber of the subjects in each group are needed to evaluate thebeneficial effects of tomato juice on oxidative stress. Despite theselimitations, this study is among the few studies that determiningthe effects of tomato juice on blood antioxidant parameters inoverweight and obese females.Our results suggest that tomato juice consumption can reduceoxidative stress markers in overweight (and possibly obese) females.Thus, the increase of tomato consumption may be useful forreducing diseases associated with oxidative stress such as CVD anddiabetes, which are related to obesity.
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