4.7 Article

Effect of multi-frequency ultrasound assisted thawing on the quality of large yellow croaker (Larimichthys crocea)

Journal

ULTRASONICS SONOCHEMISTRY
Volume 82, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.ultsonch.2021.105907

Keywords

Multifrequency; Ultrasound assisted thawing; TVB-N; Large yellow croaker

Funding

  1. National Key R&D Program of China [2019YFD0901603]

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Multifrequency ultrasound-assisted thawing (UAT) can enhance the thawing rate and maintain the stability of myofibrils, resulting in improved water-holding capacity and physicochemical quality of frozen large yellow croaker.
The effects of mono-, dual-and tri-frequency ultrasound-assisted thawing (UAT) on the physicochemical quality, water-holding capacity, moisture migration and distribution and myofibrillary structure of frozen large yellow croaker (Larimichthys crocea) were detected. The results indicated that multifrequency UAT treatment significantly increased the thawing rate, maintained the stability of myofibrils and reduced the lipid oxidation. The multifrequency UAT samples had better water-holding capacity (higher water-holding capacity values, lower thawing loss and cooking loss) and physicochemical quality (higher hardness, springiness, resilience, chewiness and lower total volatile basic nitrogen (TVB-N) values, thiobarbituric acid reactive substances (TBARS) values), higher immobilized water content, and lower free water content. Therefore, the results provide a further understanding of the quality stability of frozen large yellow croaker treated by the multifrequency UAT.

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