Which of the following is a substance that can be derived from natural or synthetic sources and is added to food to enhance flavor or preservative qualities?

The term "additive" refers to a broad category of substances that are intentionally added to food products for various purposes, including enhancing flavor, preserving freshness, improving texture, or maintaining nutritional quality. Additives can be derived from natural sources, such as plants and animals, or they can be synthetically produced in laboratories.

In food preparation, additives play a vital role in food science by helping to improve the shelf-life of products, preventing spoilage, and enhancing the overall sensory experience of food through flavor and aesthetic qualities. They are rigorously regulated to ensure safety and effectiveness in the food supply.

While flavoring specifically targets the enhancement of taste, and binders and stabilizers serve particular roles in texture and consistency, the term "additive" encompasses all these functionalities and more, making it the most accurate choice.