PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 652382-0 1978 Extraction and partial purification of ricin from Ricinus communis L. Ricinus communis L., usually cultivated for production of oil, has some use in medicine, cosmetic industries and as motor oil. motor oil 186-195 ricin Ricinus communis 39-44