The annotations within the abstracts of the Metabolic entities corpus are the result of work carried out at the Bioinformatics and Systems Biology Program, King mongkut's University of Technology Thonburi (KMUTT), TH. The annotations are copyrighted and licenced by Preecha Patumcharoenpol under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Unported License (http://creativecommons.org/licenses/by-nc-sa/4.0/).