The Taste
•Taste
, gustatory perception , or gustation is the sensory impression of food or other substances on the tongue and is one
of the five traditional senses .
•Taste is the sensation produced when
a substance
in the mouth reacts chemicall y with taste
receptor cells located on taste buds .
•Taste , along with smell (olfation) and trigeminal nerve stimulation (registerning texture , pain ,
and temperature )
, determines flavors
of food or other substances .
•Humans have
taste receptors on
taste buds (gustatory calyculi
)and other areas including the upper surface of the tongue
and the epiglottis .
•The sensation
of taste can
be categorized into five basic taste:
•Sweetness
, sourness ,
saltiness
, bitterness ,
and umami .
•Taste buds
are able to differentiate among different tastes
through detecting interaction with different molecules or lons .
•Sweet
, umami , and
bitter tastes
are triggered by the binding
of molecules to g protein-coupled receptors on the cell membranes
of taste buds .
•Saltiness and sourness are perceived when alkali metal or hydrogen longs enter
taste buds
, respectively.
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