Why aviation food is so unpalatable?

Many passengers have complained that the taste of plane meal is not good. Lufthansa has done a study. It shows that in high altitude conditions, peoples taste sensitivity will be degraded.Professor Zhao Jian of the NSW has been working with some aviation food companies . He said the airline has been working to reduce the cost of aviation food. And he also explained to us why the plane meal so unpalatable.

YUCKY Source: by-rdsoft.fujin.com