PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1516845-2 1992 The results are as follows: in the presence of ubiquinone-3 the extent of peroxidation, as determined by the formation of thiobarbituric acid reactive substances, was only one third of that found in its absence; the quinone can also prevent the fragmentation of apolipoprotein B-100 and the increase of the net negative surface charge of the particle. quinone 50-57 apolipoprotein B Homo sapiens 262-282