“…1-Penten-3-ol, 2-(1-pentenyl) furan, (E)-2-penten-1-ol, ethanol, and (E,E)-2,4-heptadienal can be derived from 2,4,7,10,13hexadecapentaenal and 2,4,7,10,13,16,7,10,7,10,13,7,4,7,10,13-hexadecatetraenoic acid, 4-hexenoic acid and propanoic acid can be formed. 2-Propenal was not identified in other studies in the analysis of volatile compounds from oxidized DHA and fish oil Nawar 1971, 1975;Crawford and others 1976;Hsieh and others 1989;Karshadian and Lindsay 1989;Røbaek and Jensen 1997;Horiuchi and others 1998). This aldehyde can be derived from 4,7,10,13-pentadecatetraenoic acid, 5,8,11,14-hexadecatetraenoic acid, 4,7-nonadienoic acid, and 5heptaenoic acid.…”