Chlorella vulgaris and Haematococcus pluvialis biomass as colouring and antioxidant in food emulsions

The use of microalgal biomass, a natural ingredient, to colour oil-in-water pea protein stabilised emulsions was studied. Various levels of incorporation of Chlorella vulgaris green, Chlorella vulgaris orange (after carotenogenesis), and Haematococcus pluvialis (red, after carotenogenesis) were used...

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Veröffentlicht in:European food research & technology 2006-02, Vol.222 (3-4), p.362-367
Hauptverfasser: Gouveia, L, Raymundo, A, Batista, A.P, Sousa, I, Empis, J
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creator Gouveia, L
Raymundo, A
Batista, A.P
Sousa, I
Empis, J
description The use of microalgal biomass, a natural ingredient, to colour oil-in-water pea protein stabilised emulsions was studied. Various levels of incorporation of Chlorella vulgaris green, Chlorella vulgaris orange (after carotenogenesis), and Haematococcus pluvialis (red, after carotenogenesis) were used, resulting in a wide range of appealing colours from green to orange and pink. The colour stability of the emulsions was evaluated, through the evolution of the L*a*b* parameters (CIELAB system) along 6 weeks. The primary and secondary oxidation products of the emulsions were also determined, and an enhanced resistance to oxidation was evidenced by emulsions containing microalgae. Therefore antioxidant functionality was another positive aspect of its use as an ingredient. Colour stability, a variety of attractive hues, and added resistance to oxidation ensure an adequate compromise of sensory and functional properties for these novel emulsions.
doi_str_mv 10.1007/s00217-005-0105-z
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subjects Algae
Antioxidants
appearance (quality)
Biological and medical sciences
Biomass
Chlorella vulgaris
color
Emulsions
food coloring
Food industries
foods
functional properties
Fundamental and applied biological sciences. Psychology
Haematococcus pluvialis
Microalgae
model food systems
natural additives
Oxidation
oxidative stability
sensory properties
Studies
title Chlorella vulgaris and Haematococcus pluvialis biomass as colouring and antioxidant in food emulsions
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