Assertion: grape's resveratrol | /r/AtLocation | grape skins
Facets:
value: mostly
type: DEGREE
value: naturally
type: MANNER
Source sentences:
text: Resveratrol is a chemical that occurs naturally in grape skins.
text: Resveratrol is a stilbene phytonutrient mostly found in the grape skins, grape seeds and grape flesh, has been shown to increase expression of three genes all related to longevity.