It turns out that saccharin doesn't just activate sweet taste receptors, it also blocks bitter ones —
the same bitter taste receptors that cyclamate activates.
Not exact matches
Because scientists have discovered that the
same receptors that exist on the tongue to
taste bitter substances are also found on the smooth muscle of the lungs.
But, he says, because the researchers used the human
bitter taste receptors, it's likely that the
same thing happens when a diet drink hits the human tongue.
Yet no matter which tastant enters the mouth or which
receptor it attaches to,
bitter always
tastes the
same to us.