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Abstract Title:

Jaboticaba () Peel Supplementation Prevents Hepatic Steatosis Through Hypolipidemic Effects and Cholesterol Metabolism Modulation in Diet-Induced NAFLD Rat Model.

Abstract Source:

J Med Food. 2021 Feb 1. Epub 2021 Feb 1. PMID: 33523759

Abstract Author(s):

Nara Nunes Lage, Mayara Medeiros de Freitas Carvalho, Joyce Ferreirada Costa Guerra, Juliana Márcia Macedo Lopes, Renata Rebeca Pereira, Ana Carolina Silveira Rabelo, Vinícius Marques Arruda, Mariana de Fátima Albuquerque Pereira, Marjorie Anne Layosa, Giuliana D Noratto, Wanderson Geraldo de Lima, Marcelo Eustáquio Silva, Maria Lúcia Pedrosa

Article Affiliation:

Nara Nunes Lage

Abstract:

Jaboticaba (), a Brazilian fruit, is a good source of dietary fiber and phenolic compounds, which are concentrated mainly in the peel. These compounds have been considered promising in prevention and treatment of hypercholesterolemia and hepatic steatosis. In this study, we investigated the effects of 4% jaboticaba peel powder (JPP) supplementation on cholesterol metabolism and hepatic steatosis in livers of rats fed a high-fat (HF) diet. The rats were fed a standard AIN-93M (control) diet or an HF diet containing 32% lard and 1% cholesterol, both with and without 4% JPP. Thepeel composition revealed a low-lipid high-fiber content and phenolic compounds. The phenolic compounds in JPP, tentatively identified by high-performance liquid chromatography and mass spectrometry (HPLC-MS/MS) analysis, were confirmed to contain phenolic acids, flavonoids, and anthocyanins. Moreover, JPP presented significant antioxidant activityand was not cytotoxic to HepG2 cells, as determined by the lactate dehydrogenase (LDH) assay. After 6 weeks of treatment, our results showed that JPP supplementation increased lipid excretion in feces, reduced serum levels of total cholesterol and nonhigh-density lipoprotein cholesterol, decreased serum aspartate aminotransferase (AST) activity, and attenuated hepatic steatosis severity in rats fed the HF diet. Furthermore, JPP treatment downregulated expression of,,, andgenes. Therefore, jaboticaba peel may represent a viable dietary strategy to prevent nonalcoholic fatty liver disease as the JPP treatment alleviated hepatic steatosis through improvement of serum lipid profiles and modulation of mRNA expression of genes involved in cholesterol metabolism.

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