University of Hertfordshire

Can rapeseed oil replace olive oil as part of a Mediterranean-style diet?

Research output: Contribution to journalLiterature review

Documents

  • Richard Hoffman
  • Mariette Gerber
View graph of relations
Original languageEnglish
Pages (from-to)1882-1895
JournalBritish Journal of Nutrition
Journal publication dateDec 2014
Volume112
Issue11
Early online date17 Oct 2014
DOIs
Publication statusPublished - Dec 2014

Abstract


The present narrative review compares evidence from experimental, epidemiological and clinical studies of the health benefits of rapeseed
oil (RO) (known as canola oil) and olive oil (OO) in order to assess whether rapeseed oil is suitable as a sustainable alternative to OO as part of a Mediterranean-style diet in countries where olive trees do not grow. From epidemiological studies, the evidence for cardiovascular protection afforded by extra-virgin OO is ‘convincing’, and for cancers ‘limited-suggestive’, especially oestrogen receptor-negative breast cancer, but more studies are required in relation to cognitive impairment. Evidence for RO is limited to short-term studies on the biomarkers of risk factors for CVD. Any benefits of RO are likely to be due to a-linolenic acid; however, it is prone to oxidation during frying. We conclude that due to a lack of evidence from observational or intervention studies indicating that RO has comparable health benefits to extra-virgin OO, RO cannot currently be recommended as a suitable substitute for extra-virgin OO as part of a Mediterranean-style diet.

ID: 7093780