Studies on damage of starches in irradiated wheat and white pepper using rapid visco-analyser (RVA)

R. Juhász, K. Horváth, I. Dalmadi, É Andrássy, A. Salgó, J. Farkas

Research output: Contribution to journalArticle

Abstract

Effect of 60Co irradiation on wheat and white pepper grains were investigated in this study using Rapid Visco Analyser (RVA), near infrared reflectance spectroscopy and differential scanning calorimetry. Functional properties of wheat and white pepper were affected by irradiation indicated by a decrease in viscosity values. It was caused by changes of starch structure confirmed by the NIR spectra changes between wavelength 1560-1620 nm, which is the vibration of intermolecular hydrogen bonded OH groups in polysaccharides. The radiation used did not cause significant changes in the thermal properties. RVA proved to be useful for screening radiation induced changes in dry commodities of considerable large starch content on the basis of their rheological behaviour.

Original languageEnglish
Pages (from-to)576-585
Number of pages10
JournalActa Alimentaria
Volume42
Issue number4
DOIs
Publication statusPublished - Dec 1 2013

Fingerprint

Piper nigrum
pepper
Starch
Triticum
irradiation
starch
Radiation
wheat
Near-Infrared Spectroscopy
Differential Scanning Calorimetry
thermal properties
near-infrared spectroscopy
Vibration
differential scanning calorimetry
vibration
products and commodities
Viscosity
hydrogen
functional properties
Polysaccharides

Keywords

  • irradiation
  • Rapid Visco Analyser
  • starch
  • weat
  • white pepper

ASJC Scopus subject areas

  • Food Science

Cite this

Studies on damage of starches in irradiated wheat and white pepper using rapid visco-analyser (RVA). / Juhász, R.; Horváth, K.; Dalmadi, I.; Andrássy, É; Salgó, A.; Farkas, J.

In: Acta Alimentaria, Vol. 42, No. 4, 01.12.2013, p. 576-585.

Research output: Contribution to journalArticle

Juhász, R. ; Horváth, K. ; Dalmadi, I. ; Andrássy, É ; Salgó, A. ; Farkas, J. / Studies on damage of starches in irradiated wheat and white pepper using rapid visco-analyser (RVA). In: Acta Alimentaria. 2013 ; Vol. 42, No. 4. pp. 576-585.
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