Assertion: occurring vitamin e | /r/AtLocation | eight chemical forms
Facets:
value: naturally
type: MANNER
Source sentences:
text: Naturally occurring vitamin E exists in eight chemical forms (alpha-, beta-, gamma-, and delta-tocopherol and alpha-, beta-, gamma-, and delta-tocotrienol) that have varying levels of biological activity .
text: Naturally occurring vitamin E exists in eight chemical forms that have varying levels of biological activity.