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why do purple beans turn green when cooked?
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Gourmet Recipes for One
September 9, 2010
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Science of Food
raw vs cooked
purple beans
2 Comments
Kristen M.
September 9, 2010
There was a great answer to this on an earlier thread as well: http://bit.ly/bTxxYs
Merrill S.
September 9, 2010
The info in this blog post seems to be the consensus on the topic; apparently, it's due to a chemical change brought about by cooking that exposes the chlorophyll in the bean. http://bit.ly/c9b5vH
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