Active barrier films protect packaged baked goods from oxygen exposure while preserving flavor, aroma and appearance. (packagingdigest.com)
Keep in mind that my apple slices had much more oxygen exposure than apples packed in a lunch would. (easylunchboxes.com)
Enriched air considerations, including managing oxygen exposure, how to tell what's in your scuba tank and how to set your dive computer (baliocean.com)