Interesting study.  First, I was curious as to whether the researchers
analyzed the beans alone, or the entire pods, since they left out that
little detail in the M&M.  So I checked on the nutritional composition of
soybeans, and it seems that they analyzed raw, undried beans only.

It's not particularly surprising that soybeans sprayed with glyphosate
contained more residues of glyphosate that those that weren't sprayed.
This difference should be taken into account by EPA in the registration of
glyphosate, when they determine total expected exposure to humans and
animals.  It would not be expected to be evaluated in the registration of
glyphosate-tolerant cultivars.  Note: I am not pitching glyphosate, nor
condoning its current overuse (especially as a dessication treatment to
mature the beans).

Something that I found of far greater interest was their finding that:
"As some samples of the same variety were highly similar in the cluster
analysis, but others were intermediate or even highly different (Fig.
2<http://www.sciencedirect.com/science/article/pii/S0308814613019201#f0010>b),
we argue that (i) there was a strong genotype × environment interaction
within all three agricultural practices."

This is a real eye opener when studies compare nutritional equivalence!
The terroir of the crop makes a difference--you can plant the exact same
variety in two different fields, and get nutritionally different beans from
the same variety.  This finding makes it more difficult to compare
nutritional equivalence between GM and conventional crops in studies.


-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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