Consumption of extra virgin olive oil improves body composition and blood pressure in women with excess body fat: a randomized, double-blinded, placebo-controlled clinical trial

Purpose Despite the fact that extra virgin olive oil (EVOO) is widely used in obese individuals to treat cardiovascular diseases, the role of EVOO on weight/fat reduction remains unclear. We investigated the effects of energy-restricted diet containing EVOO on body composition and metabolic disrupti...

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Bibliographic Details
Published in:European journal of nutrition 2018-10, Vol.57 (7), p.2445-2455
Main Authors: Galvão Cândido, Flávia, Xavier Valente, Flávia, da Silva, Laís Emilia, Gonçalves Leão Coelho, Olívia, Gouveia Peluzio, Maria do Carmo, Gonçalves Alfenas, Rita de Cássia
Format: Article
Language:English
Subjects:
Adipose Tissue
Adult
Alkaline phosphatase
Blood pressure
Blood Pressure - drug effects
Blood Pressure - physiology
Body composition
Body Composition - drug effects
Body Composition - physiology
Body fat
Cardiovascular diseases
Chemistry
Chemistry and Materials Science
Clinical trials
Creatinine
Diet
Double-Blind Method
Dual energy X-ray absorptiometry
Evidence-based medicine
Female
High density lipoprotein
Humans
Interleukin 10
Nutrient deficiency
Nutrition
Obesity
Obesity - diet therapy
Olive Oil
Original Contribution
Plant Oils
Womens health
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Summary:Purpose Despite the fact that extra virgin olive oil (EVOO) is widely used in obese individuals to treat cardiovascular diseases, the role of EVOO on weight/fat reduction remains unclear. We investigated the effects of energy-restricted diet containing EVOO on body composition and metabolic disruptions related to obesity. Methods This is a randomized, double-blinded, placebo-controlled clinical trial in which 41 adult women with excess body fat (mean ± SD 27.0 ± 0.9 year old, 46.8 ± 0.6% of total body fat) received daily high-fat breakfasts containing 25 mL of soybean oil (control group, n  = 20) or EVOO (EVOO group, n  = 21) during nine consecutive weeks. Breakfasts were part of an energy-restricted normal-fat diets (−2090 kJ, ~32%E from fat). Anthropometric and dual-energy X-ray absorptiometry were assessed, and fasting blood was collected on the first and last day of the experiment. Results Fat loss was ~80% higher on EVOO compared to the control group (mean ± SE: −2.4 ± 0.3 kg vs. −1.3 ± 0.4 kg, P  = 0.037). EVOO also reduced diastolic blood pressure when compared to control (–5.1 ± 1.6 mmHg vs. +0.3 ± 1.2 mmHg, P  = 0.011). Within-group differences ( P  
ISSN:1436-6207
1436-6215
DOI:10.1007/s00394-017-1517-9