A sample of miso paste that was fermented on the International Space Station
Courtesy of Joshua D. Evans
An experiment on board the International Space Station (ISS) has produced miso paste in what is thought to be the first deliberate food fermentation ever conducted off Earth.
Miso is an umami-rich paste from Japan made from fermented soya beans, with origins stretching back thousands of years. Joshua Evans at the Technical University of Denmark and his colleagues say it could “satisfy astronauts’ need for flavour” on long space missions.
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