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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


MELOI, Ingrid Sofia Vieira de et al. Hepatic fatty acid profile of rats fed a triheptanoin-based ketogenic diet. Nutr. Hosp. [online]. 2015, vol.32, n.1, pp.265-269. ISSN 1699-5198.

Objective: the aim of this study was to evaluate the influence of consumption of a ketogenic diet supplemented with triheptanoin, a medium-chain anaplerotic triacylglycerol, on the liver fatty acid profile of Wistar rats. Methods: three groups of male Wistar rats (n = 10) were submitted to an AIN-93 control diet, a triheptanoin- based ketogenic diet, or a soybean oil-based ketogenic diet for 60 days. Excised livers were subjected to lipid extraction and methylation to obtain fatty acids methyl esters, which were subjected to gas chromatography- mass spectrometry. Results and discussion: compared to the rats fed the control diet, those fed ketogenic diets showed a significant reduction in the concentrations of 9-hexadecenoic and 9-octadecenoic acids, whereas those fed triheptanoin showed increased levels of octadecanoic acid. Conclusions: changes in the liver fatty acid profiles of the rats fed a triheptanoin-based or a soybean oil-based ketogenic diet did not seem to be related to the dietary fat source, but rather to the characteristics of the ketogenic diets themselves.

Keywords : Fatty acid profile; Ketogenic diet; Medium-chain triacylglycerols; Trienantin.

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