What aspect of processing is noted as immensely important when evaluating foods like bread versus pre-cut salad greens?

Answer

The degree of processing.

The term 'processed' is broad, and the degree of processing matters immensely; a loaf of bread and a bag of pre-cut greens are both processed, but to different extents.

What aspect of processing is noted as immensely important when evaluating foods like bread versus pre-cut salad greens?
foodSafetystoragefreshnessquality