Japanese convenience stores use induction to heat food without vitamins escaping

Business
Japanese convenience stores use induction to heat food without vitamins escaping

While standard microwaves destroy nearly eighty percent of a meal's nutrients, these high-tech ovens use magnetic fields to keep vitamins locked inside your midnight snack.

In the tight quarters of a Japanese 7-Eleven, physics does the work of a gourmet chef. While standard microwaves heat food by agitating water molecules—a process that can leach out 80% of a vegetable's vitamin C—Japanese 'konbini' use induction heating. This technology uses electromagnetic coils to turn the bento container itself into a heat source, reaching 140 degrees Celsius in just two minutes. By heating the food evenly and rapidly from the outside in, these machines preserve up to 95% of the original nutrient content.

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