Assertion: pyruvic acid | /r/HasProperty | added as smaller weekly doses
Facets:
value: to a young red wine
type: TRANSITIVE-OBJECT
value: over a 10 week period
type: TEMPORAL
Source sentences:
text: Pyruvic acid (500 mg/l) and acetaldehyde (200 mg/l) were added, either as a large single dose or as smaller weekly doses over a 10 week period, to a young red wine (Vitis vinifera L. cv Tempranillo) in order to study the formation of vitisin A and B, and