Nutritional value of rapeseed oil and its high oleic/low linolenic variety : a call for differentiation
2009
Barth, Christian A.
To offer the best choice of healthy and acceptable food to the consumer a coordination of plant breeding, food processing and nutrition science is required. Here the nutritional aspects of the high oleic/low linolenic (HOLLi) varieties of rapeseed with a low alpha-linolenic acid content of about 3% are reviewed. The content of alpha-linolenic acid amounting to around 9% is the hallmark of the positive nutritional value of the original (erucic acid free) 00 varieties of rapeseed oil ("canola" quality in North America). n-3 fatty acids are endowed with the property to protect the cardiovascular system from chronic disease and the consumption of food containing n-3 fatty acids is explicitly recommended by national and international nutritional and medical authorities. Although the use of HOLLi with a low n-3 fatty acid content can be unavoidable for specific purposes, because of technological and health considerations the continuous future consumption of the original rapeseed oil with around 9% of alpha-linolenic acid by the consumer should have high priority from the standpoint of public health. To pursue this aim confusion of the consumer must be avoided by creating a new name and a new brand for HOLLi varieties.
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