Partially purified collagen from refiner discharge of Pacific whiting surimi processing

Soo Kim Jin, Jae W. Park

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The physicochemical properties of acid-soluble collagen (ASC) from refiner discharge and the partially purified collagen (PPC) from both the refiner discharge and the fish skin were evaluated. Yield of collagen from refiner discharge was 34% higher in PPC than ASC. Mercury, lead, cadmium, and chromium contents of PPC from refiner discharge were not detected. There was no difference in the pattern of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) between ASC and PPC from refiner discharge. PPC from refiner discharge showed better functional properties than that from skin and was similar to ASC: whiteness, solubility, emulsifying activity, and cooking stability. Therefore, PPC from refiner discharge could be used as a new resource.

Original languageEnglish
JournalJournal of Food Science
Volume70
Issue number8
Publication statusPublished - 2005 Oct 1
Externally publishedYes

Fingerprint

refiners
Merluccius productus
surimi
collagen
Collagen
Acids
acids
Skin
Cooking
emulsifying
Chromium
Mercury
Cadmium
chromium
skin (animal)
Sodium Dodecyl Sulfate
mercury
Solubility
functional properties
polyacrylamide gel electrophoresis

ASJC Scopus subject areas

  • Food Science

Cite this

Partially purified collagen from refiner discharge of Pacific whiting surimi processing. / Jin, Soo Kim; Park, Jae W.

In: Journal of Food Science, Vol. 70, No. 8, 01.10.2005.

Research output: Contribution to journalArticle

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AB - The physicochemical properties of acid-soluble collagen (ASC) from refiner discharge and the partially purified collagen (PPC) from both the refiner discharge and the fish skin were evaluated. Yield of collagen from refiner discharge was 34% higher in PPC than ASC. Mercury, lead, cadmium, and chromium contents of PPC from refiner discharge were not detected. There was no difference in the pattern of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) between ASC and PPC from refiner discharge. PPC from refiner discharge showed better functional properties than that from skin and was similar to ASC: whiteness, solubility, emulsifying activity, and cooking stability. Therefore, PPC from refiner discharge could be used as a new resource.

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