PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17532169-1 2008 Flavanone glycosides, such as naringin and neohesperidin, are distributed in some Citrus species and have a chiral center in the C-2 position of the flavanone moiety. naringin 30-38 complement C2 Homo sapiens 129-132