The term "oxidization process" refers to a chemical reaction where a substance combines with oxygen, resulting in changes to its properties or composition. Full definition
That's so interesting about the color... I wouldn't have thought the frozen banana would change it quite to that extent once baked but it sounds like the oxidization process may in fact be the culprit. (inspirededibles.ca)
It is a powerful antioxidant which is able to slow down the oxidization process that turns fats rancid. (dogfoodselector.com)
Supplements: Rosemary extract is a powerful antioxidant which is able to slow down the oxidization process. (dogfoodselector.com)