Random FactsCuriousOneApril 18, 2015banana, color, ethylene, fact, facts, process, ripening, staycurious, treatment, yellow, yellowingComment A bananas yellow color actually comes from a ethylene gas treatment, to speed up the ripening process Random FactsCuriousOneApril 18, 2015banana, color, ethylene, fact, facts, process, ripening, staycurious, treatment, yellow, yellowingComment