Assessing the Dynamic Rheology at Various Frequencies of Surimi Paste as Affected by Heating Rates and Moisture Contents

Samanan Poowakanjana, Jae W. Park, Ji hoon Moon, Won Byong Yoon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Dynamic rheological properties of Alaska pollock (AP) surimi as affected by various heating rates (1, 5, 10, 20 and 30C/min) and moisture contents (75, 78 and 81%) were investigated at different frequencies (0.1, 1 and 10Hz). Elastic modulus (G′) decreased as heating rate increased regardless of frequencies applied during temperature sweep. A temperature lag between heating plate and sample specimen was found at heating rates above 5C/min. A magnitude of change in phase angle between 30 and 50C, where light meromyosin unfolds and aggregates, increased significantly as heating rates changed from 1 to 30C/min, indicating fast heating is not favored for gel formation of pollock surimi. The slowest frequency applied (0.1Hz) was more effective in examining the dynamic rheology of fish proteins. High moisture content (81%) exhibited a slowly ascending G′ curve after gelling point and indicated slow completion of gelation.

Original languageEnglish
Pages (from-to)302-311
Number of pages10
JournalJournal of Texture Studies
Volume46
Issue number4
DOIs
Publication statusPublished - 2015 Aug 1

Fingerprint

surimi
Rheology
rheology
Ointments
Heating
water content
heat
gelation
Fish Proteins
Myosin Subfragments
pollock
Theragra chalcogramma
Temperature
Elastic Modulus
protein aggregates
phase transition
rheological properties
modulus of elasticity
temperature
Gels

Keywords

  • Alaska pollock
  • Dynamic rheology
  • Frequency
  • Heating rate
  • Surimi

ASJC Scopus subject areas

  • Food Science
  • Pharmaceutical Science

Cite this

Assessing the Dynamic Rheology at Various Frequencies of Surimi Paste as Affected by Heating Rates and Moisture Contents. / Poowakanjana, Samanan; Park, Jae W.; Moon, Ji hoon; Yoon, Won Byong.

In: Journal of Texture Studies, Vol. 46, No. 4, 01.08.2015, p. 302-311.

Research output: Contribution to journalArticle

Poowakanjana, Samanan ; Park, Jae W. ; Moon, Ji hoon ; Yoon, Won Byong. / Assessing the Dynamic Rheology at Various Frequencies of Surimi Paste as Affected by Heating Rates and Moisture Contents. In: Journal of Texture Studies. 2015 ; Vol. 46, No. 4. pp. 302-311.
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