▲Air pressure is said to dull the taste of sweet and salty food.

▲Umami is one of our five basic tastes, and it isn’t affected by flying. It is commonly found in foods like spinach and tomatoes, so you're likely to see quite a few of those in your airline dishes.

▲Alcoholic drinks are apparently tested twice: once on the ground, and again in the air. This is in order to taste the difference.

▲Traveling in the air affects your taste buds. That means all food that’s eaten in-air should taste differently.

▲It’s said that airline chefs prepare a lot of comfort foods like steak and apple pie. This is so that the passengers recognize the dish immediately.

▲A lot of food is produced every day for air travel. Airlines like Emirates produce around 150,000 meals every day.

▲The best food on an airline is apparently stew, or rice and curry. It’s said that these dishes can taste great, even when stored over time.

▲It’s thought that meats are only cooked partially before the flight. Then the meals are apparently completed in the plane’s ovens.

▲Lindt truffles are apparently very popular with airlines. In 2015, the Australian company Qantas stated they serve four million Lindt truffles per year to economy passengers.

▲Oysters are something of a luxury seafood, but you don't usually find them on an airplane. This is because raw food can be too tricky to handle.

▲According to a report by the Australian website Delicious, one airline goes to great lengths to ensure quality with its food. United Airlines reportedly packs all its food by hand.

▲Catering services go to great lengths to test their food. In Singapore, catering companies test food in simulated aircraft cabins.

▲Ever thought of Instagramming your airline food? You should visit inflightfeed.com, where the best airline food is rated and ranked.

▲Meanwhile, Singapore Airlines has a tailor-made menu for kids. Young passengers are invited to pick their own food from a menu featuring fish fingers, as well as macaroni and cheese.

▲Apparently, several airlines have a revered chef to oversee their menus. Australian chef Neil Perry is in charge of the menu for Qantas.

▲British Airways live up to their name with one of their signature dishes. They serve up sandwiches with cakes, Cornish clotted cream, as well as English strawberry jam.

▲Vegetables tend to be marinated with spices before being served. This is so that the food has a richer taste.

▲Some airlines have pretty quirky features. The Hello Kitty Jets on EVA Air have Hello Kitty-branded food.

▲Gluten-free food is getting very popular on planes. Flight Centre estimates that 10% of airline dishes are “special,” meaning they are catered to a customer with dietary requirements.

▲This shouldn’t be a big surprise, but airline menus change depending on where you are around the world. According to FlightCentre, some airlines serve English lamb when working in the UK.

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According to the Luxury Travel Expert, the best airline for food is Austrian Airlines. Runner-ups include Qatar Airways and Singapore Airlines.

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Apparently, Indo-Chinese food is also on the rise. It’s estimated that customers will be seeing more of this type of food in the next few years.

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Menus for airlines are apparently prepared six months to a year in advance.

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Apparently, the effects of alcohol are stronger when flying. This is because low air pressure usually makes blood thinner.

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Caviar isn’t just sold to high-flying elites. At LAX, you can pick up a “Picnic in the Air” pack, which features caviar, as well as cured meats and smoked salmon.

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Thought flying only affected food? Think again. Alcoholic drinks are also influenced by flying. It’s said that this is due to their acidity.

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In regards to airline food, it all comes down to weight. American Airlines reportedly saved US$40,000 by simply dropping one olive from its salads.

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Tomato juice is a surprisingly popular pick on flights. The drink apparently tastes much sweeter in-air, making Bloody Marys all the more tempting.

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Taking a flight soon? Worried about what you're eating? Fear not, this gallery will answer most (if not all) your questions about airline food. Read on for trivia about why airlines use undercooked meats and why you will never eat raw food in flights.