Assertion: manganese | /r/HasProperty | important trace element
Facets:
value: in nutrition
type: OTHER
Source sentences:
text: Manganese is an important trace element in nutrition, although exposure to the element is toxic in higher quantities.
text: It is an important trace element and may be essential for utilisation of vitamin B. Manganese is present in quantity the floor of oceans.
text: It is an important trace element and may be essential for utilization of vitamin B1.