Interestingly, the noisy airplane environment also plays a role, enhancing certain flavours. This multi-sensory effect explains why a glass of tomato juice – typically earthy and bland on the ground – transforms into a refreshing, mineral-rich treat in the sky. It's not just tasty; it's practical too. Tomato juice also helps combat the dehydrating effects of air travel while keeping passengers feeling full and satisfied.

This unique behaviour of umami in high altitudes opens up exciting possibilities for innovative designs, catering to the altered taste perceptions of air travelers.