Are you a bit random with your organic purchases?

This time of year the family budget is often at its limit and sometimes we may have to reduce the number of our organic purchases, however please see my post on Tempted By Summer Fruits for the benefits of sourcing a fruit and vegetable wash to remove a large percentage of the chemical residue that lies on the surface of the fruit.

A comment voiced at times during health talks (when I encourage parents to consider organic produce) is, “But organic foods are so much more expensive then regular fruit and vegetables.”

That’s a genuine concern for many parents, and with this post I’d like to discuss how to make purchasing organic fruit and vegetables cheaper and what are the ‘real’ benefits of prioritising organic food for our health.

Getting Clear on the Benefits of Eating Organic Foods

Another statement people may make is, “I read that organic fruit and vegetables aren’t actually that much better for us, so why would we pay more for them?”

Some studies have indeed claimed that organic produce does not have more health benefits then generic fruit and vegetables—but these same studies have been found to be extremely flawed.1 I love to read research almost as much as I love to try and decipher who has paid for and promoted the research. In 1997, sales of organic foods were worth $3.6 billion in the USA; this has risen to more than $26 billion in 2010.2 You don’t have to be the sharpest tool in the toolbox to appreciate that this means commercial farmers and co-ops have taken a hit in the last ten years and big investors will pay for research that supports their share of the market.

For example the UK Soil Association3 took great offense to a US study conducted by a drug company that discredited the value of organic farming and they replied with, “Studies that treat crop trials as if they were clinical trials of medicines, like this one, exaggerate the variation between studies, and drown out the real differences. A UK review paper, using the correct statistical analysis, has found that most of the differences in nutrient levels between organic and non-organic fruit and vegetables seen in this US study are actually highly significant.”

If you prioritize your budget to allow for organic foods and you are faced with the above statement that questions the authenticity of organic fruit and vegetables, then take heart in knowing that several reviews including The American Journal of Clinical Nutrition, 20104 have attempted to definitively compare the nutritional quality between organic and conventional crops. However, each study and review has reached a similar conclusion that definitive findings cannot be drawn due to the lack in quantity and quality of comparable data.

Nevertheless, some generalized trends have been observed and the current literature shows that organic produce, in comparison to conventional produce has been shown to:

  • Contain higher levels of vitamin C and lower levels of nitrates
  • Definitively contain fewer and lower levels of pesticides than conventional produce 

Furthermore no one can comment as to the long-term benefits of consuming organic foods versus conventional foods, as there has been no health studies which have concentrated on the long-term health outcomes.

The EWG have developed a pesticide guide for fruits and vegetables (shown here, to the right). The produce ranking was developed by analysts based on the results of nearly 43,000 tests for pesticides on produce collected by the US Department of Agriculture and the US Food and Drug Administration between 2000 and 2005. Print out the attachment and put it in your wallet.

You can also download this chart directly from the Environmental Working Group website — www.ewg.org

12 most contaminated fruits and vegetables are; Celery, peaches, strawberries, apples, blueberries , nectarines, capsicums, spinach, kale, cherries, potatoes, grapes.

15 safest fruits and vegetables to buy commercially; Onions, avocado’s, sweet corn, pineapple, mangoes, sweet peas, asparagus, kiwi fruit, cabbage, eggplant, rock melon/cantaloupe, watermelon, sweet potato, grapefruit and honeydew melon.

FIVE POINTS THAT HIT HOME

  1. A study published in Environmental Health Perspectives5showed that consuming organic products may lower children’s exposure to potentially damaging pesticides. In the study, researchers recruited families at both a retail chain grocery store selling primarily conventional foods and at a local cooperative selling a large variety of organic foods.Parents were asked to keep a food diary for their children for three days, then the children’s urine collected on day three was analyzed for pesticide metabolites. Children eating primarily organic diets had significantly lower levels organophosphorus (OP) pesticide metabolite concentrations than did children eating conventional diets. In fact, concentrations of one OP metabolite group, were approximately six times higher for the children eating conventional diets.The authors wrote, “Consumption of organic produce appears to provide a relatively simple way for parents to reduce their children’s exposure to OP pesticides.”
  2. An earlier study found no measurable pesticide metabolites in the urine of a child whose family bought exclusively organic produce.6
  3. Biting into a piece of fruit that has been treated with endosulfan, an organochloride pesticide, will give you an unintended dose of hormone disruptors.  Hormone disruptors or endocrine disrupting chemicals (EDCs) found in our environment are quickly becoming known as ‘gender-benders’ as they mimic oestrogen and other important chemicals that help run our bodies.
  4. Wheat is one of the world’s most valuable currencies and because it is such an important crop, wheat is usually treated with a good deal of herbicides, pesticides and fungicides, both in its growing stages and during storage. Organic products not just organic produce make a lot of sense.
  5. More than 80% of soy plants grown in the United States are genetically modified organisms (GMOs). GM farms use toxic pesticides like Roundup. Soybeans contain one of the highest levels of pesticide contamination of all foods. To avoid not only foods highly laden with pesticides and GM, avoid soy flour, soy oil, lecithin, soy protein isolates and concentrates, textured vegetable protein (TVP), hydrolysed vegetable protein (usually made from soy) or unidentified vegetable oils. Also please note most of what is labeled “vegetable oil” is actually soy oil, as are most margarines.

In the post How Clean Are You, we discussed how more and more evidence shows that what we eat determines not only our short-term health (emotional, physical and mental) but also our long-term health and our disease patterns in the future.

Most chronic diseases today did not exist 100 years ago and do not exist in parts of the world that maintain traditional diets. Our genetics have not changed – but the foods we eat have changed dramatically.

Purchasing organic food is not a luxury
but rather an integral step in securing our health.

. . . . .

From the desk of…
Dr Jennifer Barham-Floreani
B.App.Clin.Sci, B.Chiropractic

 

P.S. Please also see my post “7 Ways to Reduce the Cost of Organic Fruit and Vegetables”.

 

. . . . .

REFERENCES

1,2,3. Chen M.C. Organic fruits and vegetables :Potential Health Benefits and risks. Nutrition Noteworthy, 7(1) 2005

4. The American Journal of Clinical Nutrition, May 12, 2010, “Nutrition-related health effects of organic foods: a systematic review.” http://ajcn.nutrition.org/

5. Environmental Health Perspectives, Vol. 109, No. 3, March 2001 (pp. 299-303, C. Lu, D.E. Knutson, J. Fisker-Andersen, and R.A. Fenske, “Biological Monitoring Survey of Organophosphorus Pesticide Exposure among Preschool Children in the Seattle Metropolitan area”).

6. Environmental Health Perspectives ehponline.org, posted online Oct. 31, 2002, C.L. Curl, R.A. Fenske, and K. Elgethun, “Organophosphorus pesticide exposure of urban and suburban pre-school children with organic and conventional diets”]. Source: Environmental Health Perspectives, March 2003.

 

Author: Dr. Jennifer Barham-Floreani

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