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Article

Beneficial Effects of a Low-dose of Conjugated Linoleic Acid on Body Weight Gain and other Cardiometabolic Risk Factors in Cafeteria Diet-fed Rats

1
Department of Biochemistry and Biotechnology, Nutrigenomics Research Group, Universitat Rovira i Virgili, 43007 Tarragona, Spain
2
Eurecat, Centre Tecnològic de Catalunya, Centre for Omic Sciences (COS), Joint Unit Universitat Rovira i Virgili-EURECAT, Unique Scientific and Technical Infrastructures (ICTS), 43204 Reus, Spain
3
Eurecat, Centre Tecnològic de Catalunya, Biotechnological Area, 43204 Reus, Spain
*
Author to whom correspondence should be addressed.
Both authors contributed equally to this manuscript.
Nutrients 2020, 12(2), 408; https://doi.org/10.3390/nu12020408
Received: 15 January 2020 / Revised: 28 January 2020 / Accepted: 2 February 2020 / Published: 4 February 2020
(This article belongs to the Special Issue Metabolomics in Nutrition and Human Health)
Conjugated linoleic acid (CLA) is a dietary supplement that has been shown to improve obesity. However, some authors have associated high doses of CLA supplementation with liver impairment and insulin resistance. The aim of this study was to assess whether the consumption of low doses of CLA maintained the beneficial effects on the main metabolic disturbances associated with metabolic syndrome (MetS) but prevented the occurrence of non-desirable outcomes associated with its consumption. Male Wistar rats, fed standard or cafeteria (CAF) diet for 12 weeks, were supplemented with three different low doses of CLA in the last three weeks. Both biochemical and H1 NMR-based metabolomics profiles were analysed in serum and liver. The consumption of 100 mg/kg CLA, but not doses of 200 and 300 mg/kg, ameliorated the increase in body weight gain as well as the serum concentrations of glucose, insulin, cholesterol, triglyceride, diglyceride, and total phospholipid induced by a CAF diet. In turn, CLA reverted the increase in lactate, alanine, and glucose concentrations in the liver of these animals, but enhanced hepatic cholesterol accumulation without any detrimental effect on liver function. In conclusion, a low dose of CLA corrected the adverse effects associated with MetS without compromising other metabolic parameters. View Full-Text
Keywords: CLA; insulin resistance; leptin; metabolomics; NAFLD; obesity CLA; insulin resistance; leptin; metabolomics; NAFLD; obesity
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MDPI and ACS Style

Martín-González, M.Z.; Palacios, H.; Rodríguez, M.A.; Arola, L.; Aragonès, G.; Muguerza, B. Beneficial Effects of a Low-dose of Conjugated Linoleic Acid on Body Weight Gain and other Cardiometabolic Risk Factors in Cafeteria Diet-fed Rats. Nutrients 2020, 12, 408. https://doi.org/10.3390/nu12020408

AMA Style

Martín-González MZ, Palacios H, Rodríguez MA, Arola L, Aragonès G, Muguerza B. Beneficial Effects of a Low-dose of Conjugated Linoleic Acid on Body Weight Gain and other Cardiometabolic Risk Factors in Cafeteria Diet-fed Rats. Nutrients. 2020; 12(2):408. https://doi.org/10.3390/nu12020408

Chicago/Turabian Style

Martín-González, Miguel Z.; Palacios, Héctor; Rodríguez, Miguel A.; Arola, Lluís; Aragonès, Gerard; Muguerza, Begoña. 2020. "Beneficial Effects of a Low-dose of Conjugated Linoleic Acid on Body Weight Gain and other Cardiometabolic Risk Factors in Cafeteria Diet-fed Rats" Nutrients 12, no. 2: 408. https://doi.org/10.3390/nu12020408

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