Which food packaging innovation was first introduced by Tetra Pak in 1952, revolutionizing liquid food preservation and distribution?

The food industry constantly evolves with changing consumer preferences and sustainability demands. One major revolution has been occurring in product packaging - not just in how products look, but in how they impact our planet. This trivia question tests your knowledge about a significant packaging innovation that has transformed how certain food products are sold and consumed, reducing environmental impact while maintaining food safety.

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Aseptic carton packaging (allowing shelf-stable milk without refrigeration)
Vacuum-sealed plastic pouches for meat products
Nitrogen-flushed bags for potato chips and snacks
Modified atmosphere packaging for fresh produce