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Structuring new alginate network aimed for delivery of dandelion (Taraxacum officinale L.) polyphenols using ionic gelation and new filler materials (CROSBI ID 252399)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bušić, Arijana ; Belščak-Cvitanović, Ana ; Vojvodić Cebin, Aleksandra ; Karlović, Sven ; Kovač, Veronika ; Špoljarić, Igor ; Mršić, Gordan ; Komes, Draženka Structuring new alginate network aimed for delivery of dandelion (Taraxacum officinale L.) polyphenols using ionic gelation and new filler materials // Food research international, 111 (2018), 244-255. doi: 10.1016/j.foodres.2018.05.034

Podaci o odgovornosti

Bušić, Arijana ; Belščak-Cvitanović, Ana ; Vojvodić Cebin, Aleksandra ; Karlović, Sven ; Kovač, Veronika ; Špoljarić, Igor ; Mršić, Gordan ; Komes, Draženka

engleski

Structuring new alginate network aimed for delivery of dandelion (Taraxacum officinale L.) polyphenols using ionic gelation and new filler materials

Alginate hydrogels are often used for immobilization of plant-derived bioactive compounds by fast and simple ionic gelation technique. However, the structure of alginate gel network is very porous and mostly result with high-diffusion rates of encapsulated compound, what limits its application as delivery vehicle. In order to prevent losses of bioactives and prepare efficient encapsulation systems, the aim of this study was to evaluate a potential of new natural fillers, cocoa powder (CP) and carob (C) for structuring alginate network aimed for encapsulation of aqueous dandelion (Taraxacum officinale L.) leaf extract using ionic gelation. Whey protein isolates served as a standard filler. The influence of different concentrations of gelling medium (2% and 3% calcium chloride) on encapsulation properties of alginate systems was also evaluated. Calcium concentration affected morphological properties (more acceptable when using 3% CaCl2), while textural properties and encapsulation efficiency of polyphenols and retained antioxidant capacity were more influenced by selected delivery materials. Alginate-whey protein isolates beads were scored with the highest loading capacity of polyphenols (> 93%), while newly formulated binary mixtures (alginate-cocoa powder and alginate-carob) also enabled highly efficient entrapment of polyphenols (> 88%). The slowest release of polyphenols in simulated gastrointestinal fluids were obtained when alginate was combined with CP and C, where system alginate-cocoa powder prepared with lower concentration of calcium chloride (2% CaCl2) enabled the most extended release of total polyphenols and hydroxycinnamic acids. Obtained results strongly justified implementation of new plant-derived functional fillers (cocoa powder and carob) for encapsulation purposes and opened new directions for designing of binary carrier's.

Alginate ; Binary mixtures ; Calcium chloride ; Carob ; Cocoa powder ; Dandelion ; Fillers ; Ionic gelation

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Podaci o izdanju

111

2018.

244-255

objavljeno

0963-9969

1873-7145

10.1016/j.foodres.2018.05.034

Povezanost rada

Kemija, Prehrambena tehnologija

Poveznice
Indeksiranost