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Strawberry Intake Ameliorates Oxidative Stress and Decreases GABA Levels Induced by High-Fat Diet in Frontal Cortex of Rats

1
Departamento de Enfermería y Obstetricia, División de Ciencias de Salud e Ingenierías, Campus Celaya-Salvatierra, Universidad de Guanajuato, Celaya 38060, Mexico
2
Departamento de Medicina y Nutrición, Universidad de Guanajuato, León 37672, Mexico
3
Laboratorio de Bioquímica y Biología Molecular de Productos Naturales de Plantas, CINVESTAV, Irapuato 36821, Mexico
4
Departamento de Ciencias Médicas, División de Ciencias de la Salud, Campus León, Universidad de Guanajuato, León 37320, México
*
Author to whom correspondence should be addressed.
Antioxidants 2019, 8(3), 70; https://doi.org/10.3390/antiox8030070
Received: 6 February 2019 / Revised: 5 March 2019 / Accepted: 12 March 2019 / Published: 20 March 2019
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Abstract

It has been proposed that there is a correlation between high-fat diet (HFD), oxidative stress and decreased γ-aminobutyric acid (GABA) levels, but this has not been thoroughly demonstrated. In the present study, we determined the effects of strawberry extract intake on the oxidative stress and GABA levels in the frontal cortex (FC) of obese rats. We observed that an HFD increased lipid and protein oxidation, and decreased GABA levels. Moreover, UV-irradiated strawberry extract (UViSE) decreased lipid peroxidation but not protein oxidation, whereas non-irradiated strawberry extract (NSE) reduced protein oxidation but not lipid peroxidation. Interestingly, NSE increased GABA concentration, whereas UViSE was not as effective. In conclusion, our results suggest that an HFD increases oxidative damage in the FC, whereas strawberry extract intake may ameliorate the disturbances associated with HFD-induced oxidative damage. View Full-Text
Keywords: high-fat diet; rat frontal cortex; γ-aminobutyric acid; oxidative stress high-fat diet; rat frontal cortex; γ-aminobutyric acid; oxidative stress
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sandoval-Salazar, C.; Oviedo-Solís, C.I.; Lozoya-Gloria, E.; Aguilar-Zavala, H.; Solís-Ortiz, M.S.; Pérez-Vázquez, V.; Balcón-Pacheco, C.D.; Ramírez-Emiliano, J. Strawberry Intake Ameliorates Oxidative Stress and Decreases GABA Levels Induced by High-Fat Diet in Frontal Cortex of Rats. Antioxidants 2019, 8, 70.

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