Medical Inspiration

Taste Sensation Detects Molecules that come in contact with receptors in the toungue , mouth and pharynx.Taste-producing substances Must dissolve in saliva before they can stimulate taste receptors.

There are five basic taste sensations:
1-sweet sensation :produced by sugars,glycols and aldehydes.The tip of the toungue is most sensitive to sweet substances
2_Bitter sensation :Produced by alkaloids.The back of the toungue is most sensitive to bitter substances.
3_Salty sensation :produced by ionized salts.The front half of each side of the toungue is most sensitive to salty substances
4_sour sensation :produced by acids.Unripe fruits are sour too.The posterior half of each side of the toungue is most sensitive to sour substances.
5_Umami sensa
tion :produced by monosodium glutamate and other protien extracts