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Effects of Extra Virgin Olive Oil (EVOO) and the Traditional Brazilian Diet on Sarcopenia in Severe Obesity: A Randomized Clinical Trial

1
Postgraduate Program in Health Sciences, Faculty of Medicine, Federal University of Goias, Goiânia 74605-220, Goias, Brazil
2
Affiliate Academic at the Department of Epidemiology & Public Health, Institute of Epidemiology & Health Care, University College London, London WC1E 6BT, UK
3
Faculty of Physical Education, University of Brasília, Darcy Ribeiro University Campus, Brasília CEP 70910-900, Distrito Federal, Brazil
4
School of Social Sciences and Health, Nutrition Course, Pontifical Catholic University of Goias, Goiânia 74605-020, Brazil
5
Department of Epidemiology & Public Health, University College London, London WC1E 6BT, UK
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(5), 1498; https://doi.org/10.3390/nu12051498
Received: 21 April 2020 / Revised: 8 May 2020 / Accepted: 12 May 2020 / Published: 21 May 2020
(This article belongs to the Section Clinical Nutrition)
Background: Nutritional interventions may have positive effects on sarcopenia and body composition. Objective: to evaluate the effectiveness of extra virgin olive oil (EVOO) consumption and a healthy traditional Brazilian diet (DieTBra) on improving sarcopenia indicators and reducing total body fat in severe obesity. Methods: A randomized controlled trial registered at ClinicalTrials.gov (NCT02463435) conducted with 111 severely obese participants randomized into three treatment groups—(1) EVOO (52 mL/day), (2) DieTBra, (3) DieTBra + EVOO (52 mL/day)—for 12 weeks. Body composition was assessed by dual-energy X-ray absorptiometry and sarcopenia by walking speed and handgrip strength. Results: Significant reductions in total body fat (p = 0.041) and body weight (p = 0.003) were observed in the DieTBra group. In the DietBra + olive oil group there was also a significant reduction in body weight (0.001) compared to the olive oil-only group. ANCOVA analyses showed reductions in total body fat in the DieTBra (p = 0.016) and DieTBra + olive oil (p = 0.004) groups. Individuals in the DieTBra group had significant improvements in their walking speed (p = 0.042) and handgrip strength (p = 0.044). Conclusions: DieTBra contributes to improvements in handgrip strength, walking speed, and total body fat in severely obese adults. The major study was registered at ClinicalTrials.gov (NCT02463435). View Full-Text
Keywords: diet; sarcopenia; grip strength; walking speed; body composition; obesity; clinical trial diet; sarcopenia; grip strength; walking speed; body composition; obesity; clinical trial
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Aparecida Silveira, E.; Danésio de Souza, J.; dos Santos Rodrigues, A.P.; Lima, R.M.; de Souza Cardoso, C.K.; de Oliveira, C. Effects of Extra Virgin Olive Oil (EVOO) and the Traditional Brazilian Diet on Sarcopenia in Severe Obesity: A Randomized Clinical Trial. Nutrients 2020, 12, 1498.

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