The Five Major Taste of Food

Taste of Food

The taste of a food is a combination of five major tastes—salt, sweet, sour, bitter, and umami. It is complex and hard to describe completely. Sweet and salt tastes are detected primarily on the tip of the tongue, and so they are detected quickly, whereas bitter tastes are detected mainly by taste buds at the back of the tongue. It takes longer to perceive a bitter taste and it lingers in the mouth; thus, bitter foods are often described as having an aftertaste. Sour tastes are mainly detected by the taste buds along the side of the tongue.

Sugars, alcohols, aldehydes, and certain amino acids taste sweet to varying degrees. Acids (such as vinegar, lemon juice, and the many organic acids present in fruits) contribute the sour taste, saltiness is due to salts, including sodium chloride, and bitter tastes are due to alkaloids such as caffeine, theobromine, quinine, and other bitter compounds.

Umami is a taste that recently has been added to the other four. It is a savory taste given by ingredients such as monosodium glutamate (MSG) and other flavor enhancers. The umami taste is significant in Japanese foods and in snack foods such as taco-flavored chips.

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