Abstract
Acrocomia aculeata pulp (ACP) is a source of oleic acid, phenolic compounds, and flavonoids that protect against diseases and improve antioxidant capacity. We evaluated whether regular intake of ACP, in combination with a standard diet, improves the antioxidant system and physiological parameters. Male Wistar rats were divided into: control (C), 250 mg/kg ACP, and 500 mg/kg ACP groups. Rats received either water or the respective A. aculeata solution doses for 28 days. We observed increased food intake, lower carcass protein levels, and higher carcass lipid levels in the 500 mg/kg ACP group than in the other groups. Postprandial glucose, oral glucose tolerance test results, and the area under the curve were greater, while urea was lower in the 500 mg/kg ACP group. Total liver lipids were increased, and PPAR-α, PPARγ, and carbonylated protein levels were reduced in the 500 mg/kg ACP group. NRF2 contents and glutathione reductase, superoxide dismutase, and catalase activities were increased in the 500 mg/kg ACP group. In the 250 mg/kg ACP group, only glutathione system activity increased. Thus, ACP intake improved the enzymatic antioxidant system in the liver at the evaluated doses, although the 500 mg/kg dose induced alterations in lipid, protein, and carbohydrate metabolism.
Key words
Acrocomia aculeata; antioxidant System; bioactive Compounds; lipid Metabolism
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