ServSafe Manager Practice Exam

Which of the following is an example of reduced-oxygen packaged (ROP) food?

1. Vacuum-packed deli meat

2. Fresh fruit

3. Canned vegetables

4. Frozen pizza

The correct answer is: Vacuum-packed deli meat

Reduced-oxygen packaging (ROP) is a method that reduces the amount of oxygen in the packaging to help preserve food and extend its shelf life. Vacuum packing is a common technique used in ROP, where the air is removed from the packaging, creating a low-oxygen environment that inhibits the growth of aerobic bacteria and molds. Vacuum-packed deli meat is an example of reduced-oxygen packaged food because the air is removed from the packaging to prolong its freshness and shelf life. This method is particularly effective for proteins like deli meats, which are sensitive to spoilage due to bacteria that thrive in oxygen-rich environments. In contrast, fresh fruit does not typically undergo a process that reduces oxygen; rather, it is often packaged to maintain optimal freshness while still allowing some air exchange. Canned vegetables are preserved through heat processing, which doesn't involve altering the oxygen levels in the way ROP does. Frozen pizza is simply a frozen product, and while it is preserved, it does not fit the criteria of ROP as it is not vacuum-sealed or similarly packaged to create a low-oxygen environment.