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Foaming purees as a strategy to modify oral processing time.

R Baixauli¹, A Tárrega¹, I Hernando²

¹Institute of Agrochemistry and Food Technology (IATA, CSIC), Spain.

Current Research in Food Science

|January 15, 2025

Summary

Adding gas to purees alters food structure, slowing eating and reducing intake without affecting satiety. This technique may aid individuals with swallowing difficulties or those needing to manage food consumption.

Keywords:

Eating rate Foamed puree Hunger Modified structure Time to swallow

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Area of Science:

Food Science
Rheology
Oral Processing

Background:

Food structure modification influences oral processing and intake.
Incorporating gas into food products is a novel approach to alter texture.

Purpose of the Study:

To investigate the effect of gas incorporation into purees on their physical properties.
To evaluate the impact of altered puree structure on oral processing, sensory perception, and satiety.

Main Methods:

Purees were structured using a gas siphon, vacuum, or both.
Physical properties (density, viscosity, mechanical properties) were measured.
Oral processing (swallowing time, eating rate), sensory perception, and hunger/satiety were assessed.

Main Results:

Gas incorporation decreased puree viscosity, hardness, and consistency.
Foamed purees exhibited longer swallowing times and lower eating rates.
Food intake was slightly reduced, but hunger and satiety remained unaffected.

Conclusions:

Gas incorporation effectively modifies puree structure and oral processing behavior.
This technique offers potential benefits for managing food intake and assisting individuals with swallowing difficulties.