PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 617949-4 1977 The AChE inactivating effect of substances such as tannic acid and glutaraldehyde, among others, might be due to a non-specific damage of the RBC membrane. Tannins 51-62 acetylcholinesterase (Cartwright blood group) Homo sapiens 4-8 1148400-2 1975 Normal red cells and ACHE-deficient red cells are separated in accordance with their density and then exposed to trypsin, cephalothin and tannic acid. Tannins 138-149 acetylcholinesterase (Cartwright blood group) Homo sapiens 21-25