Assertion: gelatin | /r/HasProperty | colored blue
Facets:
value: in the eighteenth century
type: TEMPORAL
value: with violet juice
type: OTHER
Source sentences:
text: In the eighteenth century, gelatin from calf's feet, isinglass and hartshorn was colored blue with violet juice, yellow with saffron, red with cochineal and green with spinach and allowed to set in layers in small, narrow glasses.