Maltodextrin, pectin and soy protein isolate as carrier agents in the encapsulation of anthocyanins-rich extract from jaboticaba pomace

•Microparticles of anthocyanins from jaboticaba pomace were made by freeze-drying.•The maltodextrin, pectin and soy protein isolate as carrier agents were evaluated.•The formulations with the three carriers showed a different pigments protection.•All powders exhibited first-order kinetics after 90da...

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Bibliographic Details
Published in:Food and bioproducts processing 2017-03, Vol.102, p.186-194
Main Authors: Pereira Souza, Ana Cardinale, Deyse Gurak, Poliana, Damasceno Ferreira Marczak, Ligia
Format: Article
Language:English
Subjects:
Anthocyanins
Antioxidants
Calorimetry
Differential geometry
Differential scanning calorimeter
Differential scanning calorimetry
Electron microscopy
Encapsulation
Freeze drying
Hygroscopicity
Kinetics
Maltodextrin
Microparticles
Moisture content
Myciaria caulifora
Myrciaria cauliflora
Particle size distribution
Pectin
Phenols
Photostability
Protection
Proteins
Scanning electron microscopy
Scanning electronic microscopy
Size distribution
Ultraviolet radiation
Water activity
Water content
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Summary:•Microparticles of anthocyanins from jaboticaba pomace were made by freeze-drying.•The maltodextrin, pectin and soy protein isolate as carrier agents were evaluated.•The formulations with the three carriers showed a different pigments protection.•All powders exhibited first-order kinetics after 90days under UV light.•Differential scanning calorimetry confirmed the encapsulation of anthocyanins. This study evaluated the behavior of maltodextrin, pectin and soy protein isolate as carriers combined in different proportions on encapsulation of anthocyanins-rich extract from jaboticaba pomace obtained by freeze-drying. Moisture content (2.56–4.15%), water activity (0.094–0.162), solubility (15.10–21.28%), hygroscopicity (10.80–12.70g100g−1), particle size distribution (311.66–370.89μm) of the encapsulated products were measured. Scanning electron microscopy analysis showed irregular surfaces without a defined geometry. Differential scanning calorimetry confirmed the encapsulation of anthocyanins-rich extract with the carriers tested due to the formation of new endothermic peaks; the various formulations offered significant different protection (p
ISSN:0960-3085
1744-3571
DOI:10.1016/j.fbp.2016.12.012