New answers tagged brining
I was going to answer, but while searching for the name of the product used to make the olives black I found this perfect answer from http://www.oliveoilsource.com/asktheexpert/are-olives-dyed-make-them-black Olives naturally turn black as they ripen. When unripe they are green. As they ripen they get reddish, then purplish and finally black. ...
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