The AFSSA study has been published in the peer reviewed scientific journal Agronomy for Sustainable Development ensuring that it has met rigorous scientific standards.
The major points of The French Agency for Food Safety study are:
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Organic plant products contain more dry matter (more nutrient dense)
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Have higher levels of minerals
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Contain more anti-oxidants such as phenols and salicylic acid
(known to protect against cancers, heart disease and many other health
problems)
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Organic animal products contain more polyunsaturated fatty acids (protect against heart disease)
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Carbohydrate, protein and vitamin levels are insufficiently documented
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94-100% of organic foods do not contain any pesticide residues
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Organic vegetables contain far less nitrates, about 50% less
(high nitrate levels are linked to a range of health problems including
diabetes and Alzheimer's)
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Organic cereals contain similar levels of mycotoxins as conventional ones
In 2001, the French Agency for Food Safety (AFSSA) set up an expert
working group to perform an exhaustive and critical evaluation of the
nutritional and sanitary quality of organic food.
They aimed for the highest quality scientific standards during the
evaluation. The selected papers referred to well-defined and certified
organic agricultural practices, and had the necessary information on
design and follow-up, valid measured parameters and the appropriate
sampling and statistical analyses.
After more than two years of work involving about 50 experts from all
specific areas including organic agriculture, a final consensus report
was issued in the French language in 2003.
The current study published in the peer reviewed journal, in English,
is a summary of this report and the relevant studies that have been
published since 2003.
The conclusions of this study are different from the recent UK Food
Standard Agency Study that was widely criticised by international
experts for using flawed methodology and a conclusion that contradicted
its own data.
Source - Organic Federation of Australia