"Kikunae Ikeda (池田 菊苗, Ikeda Kikunae, 8 October 1864 – 3 May 1936) was a Japanese chemist and Tokyo Imperial University professor of chemistry who, in 1908, uncovered the chemical basis of a taste he named umami. It is one of the five basic tastes along with sweet, bitter, sour and salty.
In 1907 at the Tokyo Imperial University in Japan, Ikeda was eating dinner with his family when he suddenly stopped. That day the dashi broth in his soup was more delicious than normal; after stirring a few times he realized the difference was the umami flavor from the addition of kombu, a species of brown macroalgae and flakes of fish known as katsuobushi. He understood that kombu was the secret to that flavor, and from that day on he studied the chemical composition of kelp. Some noted that the taste of the umami is similar to the flavor of the haute cuisine that the French chef Auguste Escoffier created." - (en.wikipedia.org 14.02.2022)
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