Canned black olives - a chemically treated green olives

Do not worry - they are completely bezvredny



Olives, like tomatoes, change color when ripe: first, olive green, and then as they mature, they redden, become purple and finally black. However, olives which you buy, of course, is not ripe - collect them still green, and then soaked in salt water and alkaline solutions.

This leads to the fact that the olives are oxidized and become black. Fortunately, the harmful chemicals in them there - simply oxidation gives them a rich dark color and slightly alters the taste.

via factroom.ru