Why Sour May Be The Oldest Taste

The video explores the evolution of sour taste, its ancient origins, and its role in vertebrates. Initially a warning system for acidity, sour taste has persisted across species. Research shows its importance in early vertebrates for environmental monitoring. In primates, sour taste became beneficial, aiding in vitamin C intake and fermented food consumption. The video concludes with the evolutionary significance and varied functions of sour taste.

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