ArticleLife (Basel, Switzerland)2026
Acai Supplementation and Resistance Training: A Preliminary Study of the Effects on Liver Parameters in Hypertensive Rats.
Article in Life (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Systemic arterial hypertension (SAH) is a multifaceted condition marked by sustained elevations in arterial blood pressure. Its occurrence is closely related to alterations in target organs, such as the liver. Non-pharmacological treatments have been proposed for these effects. Thus, the aim of this study was to investigate the effects of açaí supplementation and resistance training, applied individually or in combination, on blood pressure and liver structural parameters. An experimental, quantitative, and longitudinal study was conducted using young Wistar rats (~60 days old) and spontaneously hypertensive rat (SHR) strains. Fifty rats were divided into five experimental groups: Wistar Control (C), Hypertensive Control (H), Hypertensive Trained (HT), Hypertensive Açaí-Supplemented (HA), and Hypertensive Trained plus Açaí Supplementation (HAT). Each group consisted of ten animals. Subsequently, analyses were performed for the antioxidant capacity and proximate composition of the açaí pulp, systolic blood pressure assessment, and histological evaluation of the liver. The açaí used exhibited high antioxidant capacity. At the end of the experimental period, the trained groups increased their maximal load carried, along with a reduction in systolic blood pressure in all treated groups. Açaí supplementation resulted in lower relative liver mass compared with the H group. The hypertensive condition promoted extracellular matrix expansion and a reduction in hepatocyte proportion. Both interventions attenuated these effects, and the combined treatment (HAT) produced the greatest improvement, indicating an additive response. Hypertension also elevated hepatic glycogen concentration, and the treatments reduced this alteration. It is concluded that açaí supplementation and resistance training could promote positive adaptations in the liver of hypertensive animals.
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