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Below a recent video showing how Black and Gold has worked together with Queen Margaret University to better understand the nutritional properties of our rapeseed oil products. Video by Queen Margaret University.
Tests carried out by a team of researchers from Queen Margaret University have shown that Black & Gold contains naturally occurring antioxidants which are not diminished by domestic cooking. Rapeseed oil is generally believed to be a good source of Omega 3. The original brief was to establish the hard facts about the Omega 3 nutritional content of the oil and its health benefits.
Dr Jane McKenzie, Senior Lecturer in Biochemistry and Metabolism at Queen Margaret University, explained:
Due to the way some of our foods are processed, most people in the UK already have a high intake of Omega 3 fatty acids, yet the risks of heart attack and stroke are still amongst the highest in Europe. It’s not the total amount of Omega 3 that matters. What’s important is the balance between the amount of Omega 3 and Omega 6 fatty acids and also the content of some specific Omega 3 fatty acids. The long chain fatty acids EPA and DHA have particular benefits in preventing chronic disorders and can only be obtained from oily fish and a few other marine sources. Unfortunately, they are not found in any oils used for cooking or food processing.
The finding that the “Omega 3” in the oil was not the same as the” Omega 3” found in fish was a surprise to Louise Elder. Dr McKenzie explained that consumer confusion arises because the widespread marketing term ‘omega-3 fatty acids’ doesn’t differentiate between “long chain Omega 3” found in fish and Omega 3 found in plants such as rapeseed.
However, the analysis did show that Black & Gold rapeseed oil does contain naturally occurring antioxidants in the form of polyphenols and that these are still active after domestic cooking such as shallow frying. “Polyphenols actively work in the body to prevent certain disease mechanisms occurring. Polyphenols are antioxidants from plant foods that have been proven to enhance health and it’s generally recognised that they can reduce the risk factors of cardiovascular disease and can help protect the body from chronic disease,” explained Dr McKenzie.
The research was also able to confirm that the overall balance between Omega 3 and Omega 6 fatty acids conforms to the World Health Organisation’s international guidelines. This means that Black & Gold may be superior to oils commonly used for cooking, such as sunflower and extra virgin olive oil, due to its favourable Omega 3 to Omega 6 ratio and antioxidant content.