PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9125123-6 1997 The catechin polyphenols were also found to offer protection from peroxynitrite-induced modification of critical amino acids of apolipoprotein B-100 of LDL which contribute towards its surface charge. Polyphenols 13-24 apolipoprotein B Homo sapiens 128-148