<< I read somewhere that if sunflower seeds are roasted the magnesium value goes down a lot, like about 70%. I lost the article and wonder if it is true or not. Any ideas on that one? r Jean-Louis Tu wrote: > All the foods I listed are raw, (except perhaps cocoa ??). Well, of course >the USDA definition of "raw" is not as strict as the definition of a purist raw > fooder, but as for the Mg content, I don't think it makes much difference. What does heat do to vitamins and minerals ? According to various experts in the field of raw and living nutrition - heat destroys enzymes, vitamins, and minerals, depending on the temperature and duration of exposure. When food is cooked, the aroma is the cooking nutrients in the food, including the vitamin and mineral content. Anything cooked over 5 minutes at over 212 degrees is reported to lose close to 50% of it's food value. Just a thought, Elysa [log in to unmask]