Meta-analysis2020

The effects of Canola oil on cardiovascular risk factors: A systematic review and meta-analysis with dose-response analysis of controlled clinical trials

Amiri M, Raeisi-Dehkordi H, Sarrafzadegan N, Forbes SC, Salehi-Abargouei A

Nutrition, metabolism, and cardiovascular diseases : NMCD · 34 citations

How it was studied

Design
Meta-analysis (indexed by PubMed)
Studied in
People
Main outcome
Health markers and function
Intake measured by
Not stated

Who paid for it

Funding
Independent funding
University or hospital
Shahid Sadoughi University of Medical Sciences

Based on 1 listed funder(s).

Publication

Published
2020-06-18 · Nutr Metab Cardiovasc Dis · vol. 30 · issue 12 · pp. 2133–2145
Publisher
Elsevier BV
Cited
47 citations · more than 71% of similar papers · 1.1× the field average
References
121 works
Access
Paywalled
Research areas
Fatty Acid Research and Health · Coconut Research and Applications · Edible Oils Quality and Analysis
Keywords
Meta-analysis, Canola, Medicine, Clinical trial, Internal medicine, Biology
MeSH
humans, cardiovascular diseases, treatment outcome, risk assessment, risk reduction behavior, energy intake, nutritive value, randomized controlled trials as topic, recommended dietary allowances, protective factors, rapeseed oil, diet, healthy, cardiometabolic risk factors

5 authors

From IR, CA

  • Mojgan AmiriShahid Sadoughi University of Medical Sciences and Health Services
  • Hamidreza Raeisi‐DehkordiShahid Sadoughi University of Medical Sciences and Health Services
  • Nizal SarrafzadeganIsfahan University of Medical Sciences; University of British Columbia
  • Scott C. ForbesBrandon University
  • Amin Salehi‐Abargouei · correspondingShahid Sadoughi University of Medical Sciences and Health Services

Abstract

Background and aims

Canola oil (CO) is a plant-based oil with the potential to improve several cardiometabolic risk factors. We systematically reviewed controlled clinical trials investigating the effects of CO on lipid profiles, apo-lipoproteins, glycemic indices, inflammation, and blood pressure compared to other edible oils in adults.

Methods and results

Online databases were searched for articles up to January 2020. Forty-two articles met the inclusion criteria. CO significantly reduced total cholesterol (TC, -0.27 mmol/l, n = 37), low-density lipoprotein cholesterol (LDL-C, -0.23 mmol/l, n = 35), LDL-C to high-density lipoprotein cholesterol ratio (LDL/HDL, -0.21, n = 10), TC/HDL (-0.13, n = 15), apolipoprotein B (Apo B, -0.03 g/l, n = 14), and Apo B/Apo A-1 (-0.02, n = 6) compared to other edible oils (P < 0.05). Compared to olive oil, CO decreased TC (-0.23 mmol/l, n = 9), LDL-C (-0.17 mmol/l, n = 9), LDL/HDL (-0.39, n = 2), and triglycerides in VLDL (VLDL-TG, -0.10 mmol/l, n = 2) (P < 0.05). Compared to sunflower oil, CO improved LDL-C (-0.14 mmol/l, n = 11), and LDL/HDL (-0.30, n = 3) (P < 0.05). In comparison with saturated fats, CO improved TC (-0.59 mmol/l, n = 11), TG (-0.08 mmol/l, n = 11), LDL-C (-0.49 mmol/l, n = 10), TC/HDL (-0.29, n = 5), and Apo B (-0.09 g/l, n = 4) (P < 0.05). Based on the nonlinear dose-response curve, replacing CO with ~15% of total caloric intake provided the greatest benefits.

Conclusion

CO significantly improved different cardiometabolic risk factors compared to other edible oils. Further well-designed clinical trials are warranted to confirm the dose-response associations.

Abstract via Europe PMC. Copyright remains with the authors or publisher.

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