Citrus paradisi
Synonyms
Citrus x paradisi
Grapefruit
Grapefruits
Toronja
Toronjas
A plant species of the genus CITRUS, family RUTACEAE that produces the familiar grapefruit. There is evidence that grapefruit inhibits CYTOCHROME P-450 CYP3A4, resulting in delayed metabolism and higher blood levels of a variety of drugs.