Scholars have discovered evidence of a sixth basic taste. The tongue responds to ammonium chloride, a popular ingredient in some Scandinavian candies. The OTOP1 protein receptor, previously linked to sour taste, is activated by ammonium chloride. The ability to taste ammonium chloride may have evolved to help organisms avoid harmful substances.
from Top Health News -- ScienceDaily https://ift.tt/s5WTyJL
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