Assertion: botulinum toxin | /r/AtLocation | preserved food
Facets:
value: often
type: TEMPORAL
value: poorly
type: DEGREE
Source sentences:
text: Botulinum toxins are often found in poorly preserved food, or even in flesh wounds, and have been known since the 18th century when the German medic, Justinus Kerner (right) described botulinum toxin as a "sausage poison" and "fatty poison", because is arose from improperly handled or prepared meat products.