Relating to or affecting the epicarp, the outer skin layer of a fruit.
Derived from 'epicarp' with the Latin suffix '-al' (relating to). This adjectival form emerged in botanical literature to describe conditions and characteristics of fruit skin.
When botanists talk about 'epicarpal browning' in bananas, they're using this term to describe the exact ripening process you watch happen on your kitchen counter—the chemistry of fruit maturation made official.
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