
B Premanand
The four primary sensations of taste are sweet, sour, salt and bitter. Although some taste buds are situated on the palate, tonsils and in the upper throat, the tongue is the central stage. Its tip is more sensitive to sweetness than any other part because the highest concentrations of sweet taste receptors are located there. Saltiness and sourness hold sway at the sides, the former near the tip, the latter more centrally. All tastes are combinations of the effects by food on the...