Which factor does NOT affect the shelf life of food products?

The factor that does not affect the shelf life of food products is related to the color of the packaging. While packaging itself can play a crucial role in protecting food from environmental factors and contamination, the specific color of the packaging is not a determining factor in the food’s shelf life.

Storage conditions such as temperature and humidity are critical; they can significantly influence how long food remains safe and palatable. Similarly, the presence of additives can help preserve food by preventing spoilage or oxidation, directly impacting shelf life. Therefore, while packaging is important, its color lacks a fundamental role in extending or shortening the shelf life of food items.