Organic milk, meat contain more omega-3 than non-organic alternatives

March 8, 2016

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Organic foods are defined as those that are grown or produced in the air max 95 pas cher most natural way, without the use of chemical fertilizers and pesticides, and with the use of animal-friendly farming techniques.

In order for livestock to be classified as organic, for example, the animals must have outdoor access and be given organic feed. The use of growth hormones, animal by-products or antibiotics should be avoided.

While the benefits of organic farming for the air max 95 pas cher environment and animal welfare are clear, less is known about the health benefits of consuming organic foods.

With this in mind, study leader Prof. Carlo Leifert, of Newcastle University in the UK, and colleagues conducted two studies in which they reviewed more than 260 global papers on the nutritional content of milk and meat, with the aim of identifying any differences in the nutritional quality of organic and non-organic products.

The researchers publish the results of both of their studies in the British Journal of Nutrition.

50% more omega-3 in organic milk, meat

The team assessed 196 studies on milk and 67 studies on meat.

Compared with non-organic milk and meat products, the researchers found that the organic alternatives contained an average of 50% more omega-3 fatty acids.

Omega-3 fatty acids are believed to provide a number of health benefits, including reduced risk of heart disease and lower cholesterol.

Additionally, the team found that organic meat was lower in two saturated fats that promote poor heart health: myristic and palmitic acid.

Based on these findings, Prof. Leifert and colleagues suggest that switching to organic milk and meat may offer significant health benefits, noting that half a liter of air max 95 pas cher organic full-fat milk would provide around 16% (39 mg) of the recommended dietary intake of long-chain omega-3 fatty acids, while the same measure of non-organic milk would provide 11% (25 mg).

“Several of these differences stem from organic livestock production and are brought about by differences in production intensity,” says Prof. Leifert, “with outdoor-reared, grass-fed animals producing milk and meat that is consistently higher in desirable fatty acids such as the omega-3s, and lower in fatty acids that can promote heart disease and other chronic diseases.”

Additionally, the team found that organic milk contains slightly higher levels of iron, Vitamin E and some carotenoids – naturally occurring pigments synthesized by plants.

More iodine in non-organic milk, but is this good?

However, there may also be an important health benefit to consuming non-organic milk; the researchers found that it contains around 74% more iodine than organic milk.

Iodine is an important nutrient for the human body, helping the cells to convert food into energy. We also need it for production of thyroid hormones and thyroid functioning.

The World Health Organization (WHO) recommend that teenagers and adults get an intake of around 150 mcg daily, while pregnant women should aim to get around 250 mcg daily. In order to help meet such recommendations, the air max 95 pas cher US, China, Brazil and some European countries fortify salt with iodine.

But according to the researchers, this means that people in such countries who have high dairy intake may be at greater risk of excess iodine intake, which can lead to thyrotoxicosis – an overactive thyroid.

Their study results suggest that half a liter of non-organic milk would provide around 88% of the daily recommended intake of iodine, while half a liter of organic milk would provide around 53%.

The team says their findings build on their previous research in 2014 that revealed organic crops and crop-based foods are up to 69% higher in beneficial antioxidants than non-organic alternatives.

Commenting on what these studies mean, Prof. Leifert says:

“We have shown without doubt there are composition differences between organic and conventional food. Taken together, the three studies on crops,air max 95 pas cher meat and milk suggest that a switch to organic fruit, vegetables, meat and dairy products would provide significantly higher amounts of dietary antioxidants and omega-3 fatty acids.”

He says that further studies investigating the nutritional differences between organic and non-organic foods are warranted, noting that there is currently not enough information to make comparisons between the two.

“However,” he adds, “the fact that there are now several mother and child cohort studies linking organic food consumption to positive health impacts shows why it is important to further investigate the impact of the way we produce our food on human health.”http://www.airmaxfrance2015.com/

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