Effects of starch properties and thermal-processing conditions on surimi-starch gels

Hong Yang, Jae W. Park

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Effects of starch and thermal-processing conditions on texture, microstructure, and color of surimi-starch gels were investigated by measuring shear stress, shear strain and color values, as well as micro structure. The influences of starch on texture of surimi-starch gels depended on the concentration and modification of starch as well as the ratio of amylose and amylopectin. Starch increased the gel strength of surimi-starch gels more effectively at low concentration (30 g/kg). Modification, which facilitated starch granule to swell easily, could increase gel strength. The more amylopectin in test starches, the stronger the surimi-starch gels became. The influence of heating temperature on texture depended on the gelatinizing properties of the individual starch. The larger granules of starch, observed by light micro scope, resulted in stronger gels. The color (L * and b *) of surimi-starch gels also depended on concentration and properties of starch. The more the granule swelled, the lower the L * value and the b * value of gels.

Original languageEnglish
Pages (from-to)344-353
Number of pages10
JournalLWT - Food Science and Technology
Volume31
Issue number4
Publication statusPublished - 1998 Apr 1
Externally publishedYes

Fingerprint

surimi
starch gels
Starch
Hot Temperature
Gels
heat treatment
starch
gel strength
texture
amylopectin
starch granules
microstructure
color
gels
Amylopectin
Color
amylose
shear stress
shears
granules

ASJC Scopus subject areas

  • Food Science

Cite this

Effects of starch properties and thermal-processing conditions on surimi-starch gels. / Yang, Hong; Park, Jae W.

In: LWT - Food Science and Technology, Vol. 31, No. 4, 01.04.1998, p. 344-353.

Research output: Contribution to journalArticle

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