Besides sweet, salty, sour, and bitter, there's a little known 5th taste: umami, the flavor of soy sauce and tomatoes.

Besides sweet, salty, sour, and bitter, there’s a little known 5th taste: umami, the flavor of soy sauce and tomatoes.

Umami, which is also known as monosodium glutamate is one of the core fifth tastes including sweet, sour, bitter, and salty. It wasn’t until the late 20th century that scientists agreed that umami was the fifth flavor.

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