Correlation of rheology and oral tribology with sensory perception of commercial hazelnut and cocoa-based spreads

Laura Principato, Daniele Carullo, Alice Gruppi, Milena Lambri, Andrea Bassani*, Giorgia Spigno

*Autore corrispondente per questo lavoro

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

Abstract

This study examined the effects of spread formulation and the structural/lubricant properties of six different commercial hazelnut and cocoa spreads on sensory perception. Rheology, tribology, and quantitative descriptive analysis (QDA) was assessed by also evaluating the correlation coefficients between the quality descriptor and the rheological and textural parameters. The viscosity was evaluated at different temperatures to better simulate conditions before and after ingestion. Tribological analysis was executed at 37 degrees C to mimic the human oral cavity. The effect of saliva presence and the number of runs on tribological behaviors was investigated. Moreover, textural, calorimetric, and particle size distribution measurements were performed to reinforce the correlation between structural/thermal parameters (e.g., firmness, stickiness, sugar melting point) and sensory aspects. "Visual viscosity," defined as a sensory attribute evaluated prior to consumption, negatively correlated with apparent viscosity measured at 20 degrees C and 10 s-1, whereas "body," defined during oral processing and related to creaminess, positively correlated with apparent viscosity measured at 37 degrees C and 50 s-1. These attributes were mainly influenced by particulate microstructure and solid volume fraction within the formulation. Textural stickiness positively correlated with sensory "adhesiveness" and was related to fat composition and milk powder addition, while "sweetness" was related to sucrose content and sugar melting enthalpy. Tribological data provided meaningful information related to particle-derived attributes, as well as after-coating perception (fattiness/oiliness), thus better predicting food evolution during oral consumption.Influence of the composition and structural attribute of different hazelnut/cocoa spread on sensory perception, evaluating rheology, tribology, and quantitative descriptive analysis. Rheology and tribology well correlated with sensorial analysis, while the adhesive and lubrication properties are affected by the presence of milk powder and the addition of saliva respectively. image
Lingua originaleEnglish
pagine (da-a)N/A-N/A
Numero di pagine16
RivistaJournal of Texture Studies
Volume55
DOI
Stato di pubblicazionePubblicato - 2024

Keywords

  • food rheology
  • hazelnut spread
  • tribology
  • rheology
  • sensory analysis
  • mathematical models

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