Identification of pork freshness by electronic nose

The electronic nose was used to investigate change of volatile component of pork.The change of volatile component of pork was evaluated by its TVBN.The pork sample were respectively placed container on 5 ℃,15 ℃,25 ℃ for different day.The change of pork volatile component was detected using electronic nose on different strorage conditions.The relationship between the output of electronic nose and TVBN was discussed.Threshold of electronic nose was determined.The threshold of electronic nose was used to assess the pork freshness.