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Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper Capsicum annuum L.
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Effect of Piperine on Saltiness Perception.

Rachael Moss1, Cassie Fisher1, Mackenzie Gorman1

  • 1School of Nutrition and Dietetics, Acadia University, Wolfville, NS B4P 2K5, Canada.

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|January 21, 2023
PubMed
Summary

Piperine, a natural compound, can enhance saltiness perception, aiding in the development of reduced-sodium foods. However, it also imparts peppery notes and alters other taste perceptions.

Keywords:
chemesthesischemical irritantscross-modal interactionssalt reductionthreshold testing

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Area of Science:

  • Food Science
  • Sensory Science
  • Chemical Senses

Background:

  • Chemical irritants like piperine can influence taste and odor perception.
  • Cross-modal interactions offer potential for developing reduced-sodium foods with maintained saltiness.

Purpose of the Study:

  • Determine piperine's detection threshold.
  • Evaluate piperine's effect on saltiness perception in model solutions.
  • Assess piperine's impact on sensory perception of low-sodium soup.

Main Methods:

  • Threshold determination for piperine (n=72).
  • Sensory evaluation of piperine in model solutions (n=78).
  • Temporal check-all-that-apply (TCATA) analysis of low-sodium soup with piperine (n=75).

Main Results:

  • Piperine's mean detection threshold was 0.55 ± 0.15 ppm.
  • Piperine enhanced saltiness but also increased bitterness and decreased sweetness in model solutions.
  • While piperine increased perceived saltiness intensity in soup, TCATA showed reduced selection of 'salty' and dominance of 'peppery' attributes.

Conclusions:

  • Piperine influences taste perception, enhancing saltiness but introducing peppery notes.
  • Further research is needed to understand piperine's complex cross-modal interactions in food systems.