Research indicates that we have a receptor for a fifth taste sensation, the meaty taste of

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Umami is the meaty taste that is attributed to glutamate, an amino acid commonly found in protein-rich foods such as meat, fish, and cheese. Research has identified a specific receptor on the tongue, called the taste receptor type 1 (T1R1) and taste receptor type 1 (T1R3), that responds to umami tastes. This suggests that umami is a distinct taste sensation, separate from the four traditional taste categories of sweet, sour, salty, and bitter.

Research Indicates That We Have a Receptor for a Fifth