Assertion: white wine's tannin | /r/HasProperty | derived
Facets:
value: from stems of the grapes
type: OTHER
value: from the skins
type: OTHER
value: from seeds
type: OTHER
value: normally
type: DEGREE
Source sentences:
text: Tannins are normally derived from the skins, seeds, and stems of the grapes themselves (leached out during the maceration process) or from contact with oak during barrel aging.