Full utilisation of the catch: Evaluation of antioxidant activities in by-product hydrolysates, fractionation and concentration of active molecules using separation technologies (ultra- and nanofiltration technologies)

Aurélie Chabeaud*, Laurent Vandanjon, Pascal Jaouen, Patrick Bourseau, Charles Delannoy, Ragnar Johannsson, Gudjon Thorkelsson, Fabienne Guerard

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

4 Citations (Scopus)

Abstract

Recognition of limited resources and increasing environmental pollution has emphasised the need for better utilisation of fisheries by-products (e.g. heads, frames, viscera). The present investigation explores the technical feasibility of ultrafiltration and nanofiltration membranes to fractionate and concentrate fish hydrolysates with antioxidant properties. The selected 4 kDa and 8 kDa UF membranes allowed fractionating hydrolysates in several fractions of different molecular weights. The 0.3 kDa NF membrane allowed concentrating these fractions. The combined study of chromatographic data, amount of peptides quantified in permeates and retentates as well as antioxidant activities, allowed us to study the progression of the fractionation in correlation with the increase or decrease in the antioxidant activities.

Original languageEnglish
Title of host publicationSeafood Research from Fish to Dish
Subtitle of host publicationQuality, Safety and Processing of Wild and Farmed Seafood
PublisherWageningen Academic Publishers
Pages419-426
Number of pages8
ISBN (Print)9789086860050
DOIs
Publication statusPublished - 2006

Other keywords

  • Antioxidant
  • By-products
  • Hydrolysates
  • Nanofiltration (NF)
  • Ultrafiltration (UF)

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