PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26581041-6 2015 The ability of the black tea extract and its theaflavin derivatives to induce the secretion of the antimicrobial peptides hBD-1, hBD-2 and hBD-4 by oral epithelial cells was then evaluated. theaflavin 45-55 defensin beta 104A Homo sapiens 139-144