I know part of the concern regarding gluten and casein is that they release bioactive opioid peptides during digestion. I just learned that spinach also releases these opioid peptides.
Here are some articles about this:
http://www.sciencedirect.com/science/article/pii/S0196978103000445 http://www.sciencedirect.com/science/article/pii/S0014579301030423 http://www.sciencedirect.com/science/article/pii/S0196978107002677
Are these bioactive spinach opioid peptides a concern? Is there any good science showing clear deleterious effects of the opioid peptides derived from gluten and casein?
asked byNeuroleptic (705)
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on December 11, 2011
at 02:46 PM
Apparently lettuce also has opioid peptides. As to the deleterious effects, the evidence is not yet clear about food peptides and anything; although in my area of interest (autism), there is some speculation: http://www.la-press.com/how-could-a-gluten--and-casein-free-diet-ameliorate-symptoms-associate-article-a2399