Effect of various types of egg white on characteristics and gelation of fish myofibrillar proteins

Angela Hunt, Jae W. Park, Akihiro Handa

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Three types of egg white protein (regular dried egg white [REW], special dried egg white [SEW], and liquid egg white [LEW]) were compared for their effect in surimi (CON), containing no egg white (EW). They were characterized for enzyme inhibition and time of EW addition, either with cryoprotectants prior to freezing or during gel preparation, using Pacific whiting surimi. In addition, the setting (suwari) effect and fish protein-EW protein interactions (dynamic rheological properties, total sulfhydryl groups, and fracture gel analysis) were evaluated using Alaska pollock surimi. After 12 mo frozen storage, adding 2% and 3% SEW to Pacific whiting surimi during chopping significantly (P < 0.05) increased the force and deformation values compared to adding the respective EW before freezing. The highest (P < 0.05) force (175.2 g) and deformation (9.0 mm) values after 12 mo were obtained when 3% SEW was added during chopping. Enzyme autolysis showed that addition of 2% EW protein was effective at inhibiting enzyme activity. During setting, adding 2% SEW maintained force (1047.4 g) and deformation (17.9 mm) values similar (P > 0.05) to CON (1055.1 g; 19.3 mm) and significantly (P < 0.05) better than 2% REW (666.1 g; 15.6 mm). Texture results corresponded well to other data where 2% SEW showed the lowest total sulfhydryl groups (48.3 mole/105 g), and higher elastic modulus (G′), which suggests improved protein interaction for gel formation. Overall, the addition of 2% to 3% SEW improved gel textural properties of Pacific whiting and Alaska pollock fish protein.

Original languageEnglish
JournalJournal of Food Science
Volume74
Issue number9
DOIs
Publication statusPublished - 2009 Nov 1
Externally publishedYes

Fingerprint

Fish Proteins
Egg White
myofibrillar proteins
egg albumen
gelation
dried eggs
fish
surimi
Merluccius productus
Gels
Egg Proteins
gels
sulfhydryl groups
Theragra chalcogramma
proteins
Elastic Modulus
chopping
enzyme inhibition
Freezing
frozen storage

ASJC Scopus subject areas

  • Food Science

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Effect of various types of egg white on characteristics and gelation of fish myofibrillar proteins. / Hunt, Angela; Park, Jae W.; Handa, Akihiro.

In: Journal of Food Science, Vol. 74, No. 9, 01.11.2009.

Research output: Contribution to journalArticle

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abstract = "Three types of egg white protein (regular dried egg white [REW], special dried egg white [SEW], and liquid egg white [LEW]) were compared for their effect in surimi (CON), containing no egg white (EW). They were characterized for enzyme inhibition and time of EW addition, either with cryoprotectants prior to freezing or during gel preparation, using Pacific whiting surimi. In addition, the setting (suwari) effect and fish protein-EW protein interactions (dynamic rheological properties, total sulfhydryl groups, and fracture gel analysis) were evaluated using Alaska pollock surimi. After 12 mo frozen storage, adding 2{\%} and 3{\%} SEW to Pacific whiting surimi during chopping significantly (P < 0.05) increased the force and deformation values compared to adding the respective EW before freezing. The highest (P < 0.05) force (175.2 g) and deformation (9.0 mm) values after 12 mo were obtained when 3{\%} SEW was added during chopping. Enzyme autolysis showed that addition of 2{\%} EW protein was effective at inhibiting enzyme activity. During setting, adding 2{\%} SEW maintained force (1047.4 g) and deformation (17.9 mm) values similar (P > 0.05) to CON (1055.1 g; 19.3 mm) and significantly (P < 0.05) better than 2{\%} REW (666.1 g; 15.6 mm). Texture results corresponded well to other data where 2{\%} SEW showed the lowest total sulfhydryl groups (48.3 mole/105 g), and higher elastic modulus (G′), which suggests improved protein interaction for gel formation. Overall, the addition of 2{\%} to 3{\%} SEW improved gel textural properties of Pacific whiting and Alaska pollock fish protein.",
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