Natto is a Japanese food with a sticky, stringy texture, umami flavour, a bitter aftertaste and a pungent smell. It is usually served on a bed of rice and seasoned with soy sauce, chives, mustard and ...

A start-up firm affiliated with Keio University developed a new food source made of a powdered form of a bacterium used for natto fermented ... also apparently make rice cakes easier to chew.