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The Potential of Combined Emulsification and Spray Drying Techniques for Encapsulation of Polyphenols from Rosemary (Rosmarinus officinalis L.) Leaves (CROSBI ID 259227)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Arijana, Bušić ; Draženka, Komes ; Belščak Cvitanović, Ana ; Vojvodić Cebin, Aleksandra ; Špoljarić, Igor ; Mršić, Gordan ; Miao, Song The Potential of Combined Emulsification and Spray Drying Techniques for Encapsulation of Polyphenols from Rosemary (Rosmarinus officinalis L.) Leaves // Food technology and biotechnology, 56 (2018), 4; 494-505. doi: 10.17113/ftb.56.04.18.5680

Podaci o odgovornosti

Arijana, Bušić ; Draženka, Komes ; Belščak Cvitanović, Ana ; Vojvodić Cebin, Aleksandra ; Špoljarić, Igor ; Mršić, Gordan ; Miao, Song

engleski

The Potential of Combined Emulsification and Spray Drying Techniques for Encapsulation of Polyphenols from Rosemary (Rosmarinus officinalis L.) Leaves

The present study evaluates the potential of encapsulation of polyphenolic antioxidants from rosemary (Rosmarinus officinalis L.) leaves by combining emulsification and spray drying techniques. To stabilize the emulsions and prepare samples suitable for use in dry products, double emulsions encapsulating rosemary polyphenolic extract and containing polyglycerol polyricinoleate (4 %), whey protein isolates (2 and 4 %) as emulsifiers, and maltodextrins (MDE 10 and 21) as enhancing coatings were subjected to spray drying. The obtained results show insignificant (p>0.05) effect of used maltodextrin type and protein content on mean particle size of double emulsions containing rosemary polyphenols. Morphology analyses showed that double emulsions were successfully prepared, spherical microcapsules were obtained after spray drying of double emulsions and double emulsion form was still preserved after rehydration of spray- dried microcapsules. Regardless of used maltodextrins, significantly (p<0.05) higher encapsulation efficiencies (EE) of total polyphenols (39.57 and 42.83 %) in rehydrated samples were achieved when higher protein content (4 % whey protein isolate) was used, indicating the major impact of protein content on EE of rosemary polyphenols. Also, using HPLC analysis, rosmarinic and caffeic acids, apigenin and luteolin derivatives were detected among specific polyphenols, where rosmarinic acid had notable encapsulation efficiency ranging from 62.15 to 67.43 %. In this way, the obtained microcapsules encapsulating rosemary polyphenols could be easily blended with various dry mixtures, and serve for delivery in different functional products.

double emulsions ; encapsulation efficiency ; maltodextrin ; microcapsules ; rosemary polyphenols ; spray drying ; whey protein isolates

Forensic Science Centre ‘‘Ivan Vučetić’’ Zagreb ; Forensic Science Office, University of Zagreb, Ilica 335, HR-10000 Zagreb, Croatia ; Teagasc Food Research Center, Moorepark, Fermoy, Ireland

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Podaci o izdanju

56 (4)

2018.

494-505

objavljeno

1330-9862

1334-2606

10.17113/ftb.56.04.18.5680

Povezanost rada

Prehrambena tehnologija

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