An examination of the potential of seaweed extracts as functional ingredients in milk

Anthoney M. O'Sullivan, Yvonne C. O'Callaghan, Michael N. O'Grady, David S. Waldron, Thomas J. Smyth, Nora M. O'Brien, Joseph P. Kerry

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)

Abstract

Novel dairy products were produced by the addition of seaweed extracts to milk. Ascophyllum nodosum 100% water (AN100) or 80% ethanol (AN80e) and Fucus vesiculosus 60% ethanol (FV60e) extracts were prepared. AN80e and FV60e (0.25 and 0.5%) milk had higher (P < 0.05) '-a*' and 'b*' values. FV60e (0.25%) and phloroglucinol (Phl) (0.5%) milk had lower (P < 0.05) lipid oxidation. Control and AN100 milk were accepted by sensory panellists. Seaweed extracts were stable (2,2-diphenyl-1-picrylhydrazyl, DPPH) in milk. Milk and digestates exhibited DPPH and ferrous-ion-chelating activities and did not affect cellular antioxidant activity or protect against DNA damage.

Original languageEnglish
Pages (from-to)182-193
Number of pages12
JournalInternational Journal of Dairy Technology
Volume67
Issue number2
DOIs
Publication statusPublished - May 2014
Externally publishedYes

Keywords

  • Brown seaweed extracts
  • In vitro digestion
  • Milk
  • Shelf life stability

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