Assertion: grape's effect | /r/AtLocation | the first
Facets:
value: from bergamottin
type: LOCATION
Source sentences:
text: In the first, the effect is from bergamottin, a natural furanocoumarin in both grapefruit flesh and peel that inhibits the CYP3A4 enzyme (among others from the P450 enzyme family responsible for metabolizing 90% of drugs).