PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24646820-4 2014 For people lacking the LP trait, the fermentation of milk into yogurt and related products (a process known for >=8500 y) aids milk digestion through the breakdown of some lactose and the provision of beta-galactosidase, which remains active in the gastrointestinal tract. leucylproline 23-25 galactosidase beta 1 Homo sapiens 204-222