The odorants deemed as major OACs were only 13 as follow: (E)-2-nonenal (beany, cucumber), (E)-2-octenal (nutty, cooked flour), (E,E)-2,4-decadienal (fatty), (E,E)-2,4-nonadienal (nutty, fatty), 1-octen-3-ol (mushroom), 2-AP (popcorn), 2-heptanone (fruity, sweet), ...