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4
votes
1answer
447 views

What causes changing blue and purple pigments in food?

I've noticed that many foods, such as cabbage, garlic, and ginger, either turn blue or purple in certain conditions, or that, like purple string beans, they lose these colors when cooked. Why is this? ...
7
votes
5answers
736 views

Fermenting Sauerkraut - Should I Stir?

I haven't done this for a very long time. I am following Alton Brown's recipe, which conveniently fits perfectly into a little hack-job of containers I already had. (Related: Why isn't glass ideal ...