I spoke to ABC radio in Sydney about research in the US that has found consuming carbonated drinks activates the sour-sensing cells on our tongue.
Researchers in the US have found that consuming carbonated drinks activates the sour-sensing cells on our tongue.
In an article published in the journal Science, the researchers speculate that the ability to taste carbonation may have evolved as a reaction to help humans avoid foods that are going off and have begun fermenting.
They claim that sour and bitter tastes often indicate foods that should be avoided, while sweet, salty, and the savoury taste sensation called umami, are those that can be beneficial.
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