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Is Organic Milk Really Better? (YES!)

organic milk

Consumer perceptions about foods and health are not always based on science.  We are influenced by advertising, friends, and community.  Take for example organically-grown food. We know organic farming practices are better for the earth and farm workers, but is it really better for us?  Putting aside the obvious answer that avoiding pesticides, herbicides, and chemical fertilizers reduces toxin exposure in our bodies, are there any nutritional benefits to eating organically?  Is organic food any different?  Is organic milk really better?

Photo credit: dcysurfer / Dave Young via Foter.com / CC BY

In the past, we examined some research on organic fruits and vegetables.[1]http://ecochildsplay.com/2012/03/15/organic-vs-conventional-is-the-proof-is-in-the-nutrition/  Published in the British Journal of Nutrition, this study found:

THE RESEARCH ANALYSED 343 STUDIES INTO THE DIFFERENCES BETWEEN ORGANIC AND CONVENTIONAL CROPS AND FOUND THAT SWITCHING TO ORGANIC FOODS WOULD PROVIDE ANTI-OXIDANTS EQUIVALENT TO EATING 1-2 EXTRA PORTIONS OF FRUIT AND VEGETABLES A DAY.[2]http://ecochildsplay.com/2014/07/20/more-proof-organic-food-is-better/

One of my personal beliefs about organic food is that it is most important to eat organic dairy products.  Toxins build up in the fatty tissues of animals.  Just think of how DDT travels through the food chain.

The benefits of organic milk do have something to do with fat.

organic milk

Photo credit: beije via Foter.com / CC BY

A new research study published in the British Journal of Nutrition found organic milk really is better!

The result of the meta-analysis of 170 research studies was published in the March 2016 issue.  Researchers found a difference in the fatty acid compounds in organic milk.

 It is concluded that organic bovine milk has a more desirable fatty acid composition than conventional milk. Meta-analyses also showed that organic milk has significantly higher α-tocopherol and Fe, but lower I and Se concentrations. Redundancy analysis of data from a large cross-European milk quality survey indicates that the higher grazing/conserved forage intakes in organic systems were the main reason for milk composition differences. [3]http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10181431&fileId=S0007114516000349

Concentrations of polyunsaturated fats  (PUFA and n-3 PUFA) were “significantly higher” in organic milk. These fats are important in metabolism and are anti-inflammatory.

Benefits of n-3 PUFA in organic milk

  • anti-inflammatory
  • fights cardiovascular disease
  • insulin-sensitizing
  • healthy aging
  • fetal development
  • Alzheimer’s
  • depression
  • weight management[4]http://www.ncbi.nlm.nih.gov/pubmed/22361189[5]http://advances.nutrition.org/content/3/1/1.full[6]http://www.ncbi.nlm.nih.gov/pubmed/20041818

According to the journal Advanced Nutritional Food Research,

 In summary, n-3 PUFAs have multiple health benefits mediated at least in part by their anti-inflammatory actions; thus their consumption, especially from dietary sources, should be encouraged[7]http://www.ncbi.nlm.nih.gov/pubmed/22361189

Why is organic milk more nutritious?

On average, organic dairy cows produce 20% less milk. This is due to the fact that organic dairy cows graze and forage more than their conventional counterparts who are fed concentrated diets.)  Fresh foraging results not only in organic milk having higher concentrations of PUFAs but α-tocopherol as well.  The natural a-tocopherol obtained through grazing is more accessible than the synthetic vitamins found in conventional feed.[8]http://journals.cambridge.org/download.php?file=%2FBJN%2FBJN115_06%2FS0007114516000349a.pdf&code=2a44d4602decff30799cf8f415584175

organic milk is better

Organic cows graze and forage producing better milk.

Photo credit: eutrophication&hypoxia via Foter.com / CC BY

The benefits of organic milk transfer to other dairy products.   Researchers found:

On the basis of the meta-analyses results, concentrations of VLC n-3 PUFA were estimated to be 58% higher in organic compared with conventional milk, and a switch from conventional to organic milk and dairy consumption could therefore be one such complementary dietary approach, especially as recent studies indicate that processing of milk into high-fat products such as butter and cheese (which account for a high proportion of milk fat intake) does not change the fat composition and the relative difference in n-3 PUFA between organic and conventional dairy products.[9]http://journals.cambridge.org/download.php?file=%2FBJN%2FBJN115_06%2FS0007114516000349a.pdf&code=2a44d4602decff30799cf8f415584175

Remember this research is only looking at the nutritional differences between organic milk and conventional milk. Other benefits, such as human treatment of livestock and the reduction of chemicals in our bodies and environment, were not considered.

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References[+]

↑1 http://ecochildsplay.com/2012/03/15/organic-vs-conventional-is-the-proof-is-in-the-nutrition/
↑2 http://ecochildsplay.com/2014/07/20/more-proof-organic-food-is-better/
↑3 http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10181431&fileId=S0007114516000349
↑4, ↑7 http://www.ncbi.nlm.nih.gov/pubmed/22361189
↑5 http://advances.nutrition.org/content/3/1/1.full
↑6 http://www.ncbi.nlm.nih.gov/pubmed/20041818
↑8, ↑9 http://journals.cambridge.org/download.php?file=%2FBJN%2FBJN115_06%2FS0007114516000349a.pdf&code=2a44d4602decff30799cf8f415584175
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About Eco Child’s Play

Our ethos is to provide news, information, and opinions on natural, green parenting to help your family live a greener, healthier life! Additionally, we offer personal consulting services to help you achieve your green living goals.

Jennifer is a vegetarian, yoga teacher, gardener, hiker, teacher, and mother that has been living off-the-grid for over 20 years.

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