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There has been a lot of negative press surrounding organic food in recent times. This article comes from the 'Organic Update' from the Organic Federation of Australia and it reasserts the many benefits of eating and living organically.


   The Benefits of Organic Food March 2007






Many people purchase organic food because they believe it is healthier than conventionally grown food. The organic industry is constantly told that there is no evidence to support these claims. This article looks at published information that shows that organic food is healthier than conventional food.



   Nutritional Benefits


Research published in 2001 showed that conventionally grown fruit and vegetables in the USA have about half the vitamin content of their counterparts in 1963. This study was based on comparing published US Department of Agriculture figures.

A scientific study published in the Journal of Applied Nutrition in 1993 clearly showed that organic food is more nutritious than conventional food. Organically and conventionally grown apples, potatoes, pears, wheat, and sweet corn were purchased in the western suburbs of Chicago, over two years, and analysed for mineral content. The organically grown food averaged 63% higher in calcium, 73% higher in iron, 118% higher in magnesium, 178% higher in molybdenum, 91% higher in phosphorus, 125% higher in potassium and 60% higher in zinc. The organic food averaged 29% lower in mercury than the conventionally raised food.

A recently publish review of scientific research by Charles Benbrook, Ph.D. reveals that on average organic foods contain about one-third higher in antioxidants than comparable conventional produce.

These phyto-nutrients have been shown to have major roles in preventing and reversing diseases such as heart disease and arterial diseases. They are important for preventing and reducing inflammatory and auto-immune diseases such as asthma and arthritis. Most significantly they are shown to have anti cancer and other protective properties for our health and well being.

A study by the Danish Institute of Agricultural Research and the University of Newcastle's showed that cows raised on an organic diet produce milk with 50% more Vitamin E and 75% more beta carotene than conventionally farmed cows. The organic milk has two to three times more zeaxanthine and lutein, which are powerful antioxidants. Higher levels of omega 3 essential fatty acids, that provide protection from heart and other diseases, are also found in organic milk.

A scientific article published in the Journal of Agricultural and Food Chemistry stated that organically grown corn, strawberries and marionberries have significantly higher levels of cancer fighting antioxidants than conventionally grown foods.

The European Journal of Nutrition published a study by Dr John Paterson from the University of Strathclyde, UK. The study found that organic vegetable soups contain almost six times as much salicylic acid as non-organic vegetable soups. Salicylic acid is produced naturally in plants as a protective compound against stress and disease. It is responsible for the anti-inflammatory action of aspirin, and helps combat hardening of the arteries, heart disease and bowel cancer.

Two comprehensive studies have been published that compared the differences between organic and conventional foods. Both studies analyzed around 40 previously published studies, each independently of the other. One study was conducted in the UK by nutritionist Shane Heaton and the other in the USA by Virginia Worthington as a peer reviewed university graduate thesis. Both studies came up with similar conclusions showing that there is overwhelming evidence that organic food is more nutritious than conventional food. Heaton stated : On average our research found higher vitamin C, higher mineral levels and higher phytonutrients plant compounds which can be effective against cancer.


   Taste Benefits


Organic Foods do Taste Better

Many studies have found levels of specific vitamins, flavonoids or antioxidants in organic foods to be higher than the levels found in matched samples of conventional foods.

Many of the antioxidants are poly-phenols, flavonoids and other volatile compounds. They are compounds that are responsible for a high proportion of the flavours in the foods we eat. The greater the amount of these protective compounds, the greater the flavor.


   Food Safety Benefits



It is a requirement of organic certification systems that animal manures are composted, or that two non-food rotations are grown on a manured site before it can be used for crops. A United Nations Food and Agriculture Organisation (FAO) report concluded that the superior management practices of organic agriculture reduce E. coli and mycotoxin infections in food.

Food Additives

The use of antibiotics, anti-microbials, hormones and other growth promotants are prohibited in organic production. Where animals are treated with veterinary chemicals, they are not allowed to be sold as organic. Similarly the use of synthetic chemicals as preservatives, colourings, antioxidants etc are prohibited in the processing of organic foods. There is an increasing body of concern about these synthetic compounds in the diets of humans and animals used for human food.

Research the University of Hawaii has found that people who consume processed meats have a 6,700% increased risk of pancreatic cancer over those who consume little or no processed meat products. The researchers concluded that sodium nitrite, a chemical used in nearly all non organic processed meats was the cause of alarming cancer rates.

Chemical Residues

Many studies show that most conventionally farmed foods have pesticide and other chemical residues. Repeated tests show that many of these foods can carry a cocktail of synthetic poisons.

Studies by the U.S. Centers for Disease Control found a cocktail of many toxic chemicals in the blood and urine of most Americans that they tested. Studies show that most living organisms carry a cocktail of synthetic man made chemicals.

A growing body of science is showing that exposures to cocktails of minute amounts of synthetic chemicals have a range of adverse health effects. A recently published study shows that as little as parts per billion of a common herbicide can damage reproductive systems.

Peer reviewed published research has demonstrated that many of these types of chemicals are known to disrupt the hormone, nervous and immune systems. The escalating increase of certain types of cancers such as lymphoma, leukemia, breast, uterine and prostate cancers are linked to agricultural and other synthetic chemicals. Similarly, a good body of scientific research also links these chemicals to the dramatic increases in autoimmune diseases such as asthma and chronic fatigue syndrome. Cancers such as Non Hodgkin’s lymphoma have gone from being one of the rarest cancers to one of the fastest growing cancers amongst people exposed to agricultural chemicals.


   Reduced Pesticide Benefits


Reduce Exposure to Residues

A detailed scientific analysis of organic fruits and vegetables in the USA, published in the peer-reviewed journal Food Additives and Contaminants, showed that organic foods have significantly less pesticide residues than conventionally grown foods.

A similar study in Australia by Ruth McGowan for the Victorian Department of Primary Industries conducted 14000 tests on 300 hundred samples of certified organic produce. The study concluded that: "The results demonstrate that Victorian organic produce is virtually ‘chemical free’."

Both of these studies showed that vast majority of organic foods have no residues. Where residues were found these were due to the widespread contamination caused by several pesticides used in conventional farming. Even then, these residues were substantially lower in organic foods than in conventionally produced food.

Most importantly scientific studies are beginning to show that that eating organic food results in lower levels of these pervasive chemicals in humans.

A study published in Environmental Health Perspectives found that children who eat organic foods have lower levels of pesticides in their bodies. The University of Washington researchers who conducted the study concluded ‘The dose estimates suggest that consumption of organic fruits, vegetables, and juice can reduce children's exposure levels from above to below the U.S. Environmental Protection Agency's current guidelines, thereby shifting exposures from a range of uncertain risk to a range of negligible risk. Consumption of organic produce appears to provide a relatively simple way for parents to reduce their children's exposure...’




The United Nations FAO states the case very succinctly. ‘It has been demonstrated that organically produced foods have lower levels of pesticide and veterinary drug residues and, in many cases, lower nitrate contents. Animal feeding practices followed in organic livestock production, also lead to a reduction in contamination of food products of animal origin.’

The facts show that organic foods have health benefits because of higher nutritional values. They excel in the antioxidants that prevent heart disease, cancers, anti-inflammatory and autoimmune diseases.


Organic Update is a publication of the Organic Federation of Australia
Phone +61 1300 657 435
PO Box 369 Bellingen NSW 2454 Australia

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Organics Reduces
  Exposure in Children
Bulk Buy Club
Juicer Demo Workshops
Concerned about
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Inner Health Centre
Vital Babies
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