Black Oxidized (Black-Spanish) olives also commonly known as “Confit olives” or “California ripped olives”. They are green olives that turn to black through an oxidization process where they get an even black color. They have a glossy skin and a smooth, sweet taste. Black Oxidized olives lack of flavor and aroma but their low salt content makes them very popular. The oxidized olives are generally packed in tins and they are always sterilized for safety reasons. Olive varieties that are mainly used for Black Oxidized olives are the Hojiblanca, Manzanilla, Catherenian, Chalkidiki, Azizi. etc.