Assertion: grape's tannin | /r/HasProperty | extracted
Facets:
value: from the skin
type: OTHER
value: during the maceration period
type: TEMPORAL
Source sentences:
text: During the maceration period, color, flavor and tannins are extracted from the skins.
text: As the must is exposed to prolonged periods of maceration, more tannins are extracted from the skin and will be present in the resulting wine.
text: Removal of stems first means no stem tannin can be extracted.