Eshan Maitra
Surprisingly the blend is often supplied by best brands. Such as Starbucks or Dunkin’ Donuts on American airlines. The actual problem is ‘not so clean – drinking water’.
Even a 2012EPA report shows 12% of commercial airplanes were found with gut-rocking coliform bacteria. Since, the tanks are only cleaned once every six months.
A coffee quality and trade consultant, Andrew Hetzel also says, the fast boiling at higher altitude greatly messes up the dissolving process of the coffee.
Lastly, a flight passenger’s taste perception is reduced by 30% in such flight environment and journey.