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Space fermentation? Scientists experiment with flavour that is out of this world

Science & Tech 15. jun 2025 4 min Former Research Specialist Maggie Coblentz, co-author and food researcher at the Technical University of Denmark studying fermentation. Joshua David Evans

Could a spoonful of miso help astronauts feel more at home in orbit? In a first-of-its-kind experiment, scientists sent soybeans and mould into space to ferment aboard the International Space Station – hoping to boost not just flavour but morale. The results? A rich, roasted paste that rivals its Earth-bound siblings and hints at how body and spirit might be nourished on future space missions. This is not just about food – it is about flavour, identity and life beyond our planet.

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