Assertion: bilberry's anthocyanin | /r/HasProperty | a group of flavonoids
Facets:
Source sentences:
text: In a preliminary trial, supplementing with anthocyanins (a group of flavonoids found in bilberry and certain other plant foods) improved visual acuity and partially reversed visual field damage in patients with normal-tension glaucoma (a type of glaucoma associated with normal intraocular pressure).