Journal
FOOD RESEARCH INTERNATIONAL
Volume 128, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2019.108770
Keywords
Green microalgae carotenoids; Lipid peroxidation inhibition; Serum lipid profile; Tissue antioxidant status
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Funding
- MCTI/CNPq/MEC/CAPES/PROCAD (Brazil) [312564/2015-5]
- PNPD/CAPES [001]
- CNPq [301108/2016-1]
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The objective of this study was to evaluate the effect of carotenoids intake of Scenedesmus obliquus, on lipid peroxidation, the endogenous antioxidant defense system as well as the serum lipid profile in vivo. Male mice were divided into control groups and supplemented with different doses of microalgae carotenoids: 0.25 (MC1) and 2.5 (MC2) mg.kg(-1) bodyweight. The lipid profile (total cholesterol, triglycerides, low and high-density lipoprotein) and markers of hepatic toxicity were determined in serum samples. Antioxidant enzymes and thiobarbituric acid reactive substances were determined in the heart, liver, kidneys, and spleen. Both doses used to treat the animals did not show adverse effects by markers of hepatic toxicity. MC1 did not cause significant changes in the serum lipid profile. In contrast, it created a significant reduction in lipid peroxidation of the spleen (46%) as well as an increase in the GR in the heart (40%) and GPx in the kidneys (79%) activity. The MC2 treatment also increased GR (49%) in the heart and GPx (243%) in the heart and kidneys (58%) activity, however, significantly increased levels of lipid peroxidation in the liver (160%) as well as serum triglycerides (60%). According to results, it is suggested that the consumption of S. obliquus carotenoids at the MC1 dose was safe to the animals and could be explored as an alternative to improve the activity of antioxidant enzymes and reduce lipid peroxidation.
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