Scientist discovered that fat has a Taste Sensation

  • Posted on: 27 July 2015
  • By: Shalini.Sharma

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US scientists claim to have found the taste of fat and they believe the new taste could hold the key to tackling obesity and heart disease. The study reported in the journal Chemical Senses.

Researchers investigated the taste sensation of Non-Esterified Fatty Acids, or free fatty acids, which are fat's basic building blocks. Results showed that the men and women identified fat as having a bitter or irritating and consistently unpalatable taste.

"Our experiments provide the missing element in the evidence that fat has a taste sensation, and that it is different from other tastes," says professor Richard Mattes, director of the Ingestive Behavior Research Centre at Purdue University in Indiana, US.

Fat now joins sweet, sour, salty, bitter and umami (savory) as a unique and unpleasant taste that researchers have called "oleogustus".

"Identifying the taste of fat has a range of important health implications. At high concentrations, the signal it generates would dissuade the eating of rancid foods," Mattes said.

"But at low levels, it may enhance the appeal of some foods by adding to the overall sensory profile, in the same way that bitterness alone is unpleasant but at appropriate levels adds to the appeal of wine and chocolate," he added.

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