On our recent flight, we were handed this ‘bush tucker’:
Underlined in red are two artificial colours known to harm children and a sorbate preservative.
The artificial colours would have to carry a warning in the EU ‘MAY HAVE AN ADVERSE EFFECT ON ACTIVITY AND ATTENTION IN CHILDREN' and are warned against in the National Healthy School canteens guidelines p42 )
The flight was on Wednesday 17th April. The first sign of mould was on 20 May, 5 weeks later, so not actually immortal sitting on my desk at room temperature.
Qantas
You could email them too if they give you snacks containing nasty additives. Thanks!
More information
Artificial colours
Sorbates factsheet