Viscoelastic properties of tablets from Osborne solubility fraction, pentosans, flour and bread using relaxation tests

Juan de Dios Figueroa-Cárdenas, Anayansi Escalante-Aburto, José Juan Véles-Medina, Zorba Josué Hernández-Estrada, Patricia Rayas-Duarte, Senay Simsek, Néstor Ponce-García

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


There is no previously published data covering the viscoelasticity of Osborne protein solubility fractions. Therefore, the objective of this study was to compare the viscoelastic properties of Osborne fractions, water soluble pentosans, flour and bread using relaxation tests. Sintered tablets from glutenins presented similar elasticity as gliadins but almost twice the viscosity. However, most of the wheat viscoelasticity performance in tablets was given by the sum of the non-gluten components (albumins, globulins, residue and especially water soluble pentosans). The residue was 86.1% w/w in flour and contained 4% protein while its estimated viscoelastic effect was higher compared to all the other flour components. Regarding the estimated viscosity in flour due to protein from specific fractions, it was higher in gliadins compared to glutenins. The residue although has low protein in flour (4.0%), the large amount of residue in flour had significant viscoelastic effect. The viscoelasticity of water soluble pentosans corrected by weight was similar to the Osborne protein fractions. The results indicate that the starch, pentosans, and non-gluten components may not be considered merely as inert filler and play a major role in determining the viscoelastic nature of flour and bread.

Original languageEnglish
Pages (from-to)207-212
Number of pages6
JournalJournal of Cereal Science
Publication statusPublished - 1 May 2016

Bibliographical note

Funding Information:
Escalante-Aburto wishes to acknowledge the financial support received from CONACyT for her Posdoc studies at CINVESTAV with the group of Bio-organic Materials and to Mr. Agustin Galindo from CINVESTAV for his technical assistance.

Publisher Copyright:
© 2016 Elsevier Ltd.

Copyright 2017 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Food Science
  • Biochemistry


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