The problem with peanuts and tree nuts is that they are dry and flaky so can readily become airborne. Their oils are sticky and stubborn so can endure through a vigorous scrub with soap and water.
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Lufthansa Nut PolicyLufthansa does not serve peanuts on its flights. In-flight meals cannot be guaranteed they are nut-free, and the environment cannot be guaranteed as allergen-free.
Although the government can't impose peanut restrictions for airlines, some carriers have developed their own policies for allergy sufferers. Some no longer serve peanuts and may create peanut-free buffer zones.
Customers with nut allergies are asked to inform cabin crew when boarding the flight and a public address is then made informing other customers and advising that no products containing nuts will be sold onboard.
“For this reason, I always avoid eating foods that make my stomach bloated and expand even more. These foods include onion, kale, beans, red meat, lentils, gluten, and broccoli.” Beyond foods, Remo added, it may be a good idea to steer clear of carbonated drinks that can also lead to an upset stomach in the air.
According to the TSA's website, you can transport most solid food items in your carry-on bag. This includes foods like breads, solid candy, dry cereal, nuts, cakes, sandwiches, and snack bars.
We offer a low gluten meal that excludes wheat, wheat flour, barley oats, rye, bread, cakes (unless wheat-free), pastry, sausages or any flour-based products. Our in-flight meals do not contain peanuts or peanut products.
For reasons of safety, the following items are prohibited:Petrol-operated equipment and tools that already contain minimal amounts of petrol (e.g. for test purposes) Camping stoves, gas cylinders, filled scuba tanks. Explosives, fireworks, flares. Electroshock weapons, e.g. stun guns (tasers)