What Is a Processed Food?

Food processing is a critical element in the food supply chain. Processed foods have been part of civilization since ancient times to improve things like preservation and palatability. The most commonly used food classification system with respect to processing is called the Nova food classification system. We'll talk more about this later, but one idea behind classifying food according to its degree of processing is that it may allow people to make more informed decisions about the relative healthfulness or health promoting nature of the foods they're choosing to consume.

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