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Report: organic contains 50% more omega-3

A new study shows organic milk and meat contain around 50% more beneficial omega-3 fatty acids than non-organic. In addition to organic milk and meat, the nutritional differences also apply to organic dairy like butter, cream, cheese and yoghurt.

Report: organic contains 50% more omega-3

A new study published in the British Journal of Nutrition shows organic milk and meat contain around 50% more beneficial omega-3 fatty acids than non-organic. In addition to organic milk and meat, the nutritional differences also apply to organic dairy like butter, cream, cheese and yoghurt. The study is said to be the largest systematic reviews of its kind and led by Newcastle University and an international team of experts.

Key findings included

+ both organic milk (dairy) and meat contain around 50% more beneficial omega-3 fatty acids than conventionally produced products

+ organic meat had slightly lower concentrations of two saturated fats linked to heart disease

+ organic milk and dairy contains 40% more conjugated linoleic acid (CLA) - CLA has been linked to a range of health benefits including reduced risk of cardiovascular disease, certain cancers and obesity, but evidence is mainly from animal studies

+ organic milk and dairy contains slightly higher concentrations of iron, Vitamin E and some carotenoids

+ organic milk contains less iodine than non-organic milk

“This research confirms what many people have always thought was true -what you feed farm animals and how you treat them affects the quality of the food - whether it’s milk, cheese or a cut of meat,” said Helen Browning, chief executive of the Soil Association. “These scientists have shown that all the hard work organic farmers put into caring for their animals pays off in the quality of the food they produce - giving real value for money.”

“Organic farming methods require all organic farmers to adopt techniques that guarantee nutritionally different foods. Following research in 2014 confirming nutritional differences between organic and non-organic crops like fruit and vegetables – we can now say for certain that organic farming makes organic food different.”

According to the Soil Association, the difference in omega 3 is because organic animals have to eat a more natural grass-based diet containing high levels of clover. Clover is used in organic farming to fix nitrogen so that crops and grass grow (instead of manufactured/chemical fertilisers), and this research has found that clover also increases the omega 3 concentrations in meat and milk. Under organic standards, organic cows must eat a 60% fresh grass based diet or hay/silage (conserved grass).

Historic research highlighted that organic milk contained less iodine. However, the industry has taken steps to address this. OMSCo (the Organic Milk Suppliers Cooperative) representing over 65% of the UK's organic milk supply, announced that in 2015 organic milk had achieved comparable levels of iodine to conventional and in 2016, following recent testing of bottled milk, they announced these levels of iodine have been maintained.

“We initiated projects to boost iodine levels and applied these to our farmer members’ enterprises, and by early 2015 we announced that we’d achieved comparable levels with those in the conventional market,” said Richard Hampton, managing director at OMSCo. “Our latest results have shown that one year on from the initial milestone we’re maintaining those levels.”

“We farm organic red meat on a grass-based, home-grown forage diet which delivers a superb quality,” said Richard Smith, senior farms manager from organic meat producers Daylesford Organic. “In addition to other benefits of producing food in an organic system, this land-mark paper now also confirms what we've always known; there is also a significant nutritional difference between organic and non-organic.”


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