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Encapsulation of bilberry extract with maltodextrin and gum arabic by freeze-drying: formulation, characterisation, and storage stability [Elektronski vir]Todorović, Ana, biokemija ...Anthocyanins are polyphenolic plant pigments associated with antioxidant and health-promoting properties. However, their application in the food industry is limited due to their poor stability. The ... purpose of this study was to encapsulate anthocyanin-rich bilberry (Vaccinium myrtillus L.) extract by freeze-drying and to investigate the effects of different wall materials and extract contents on the physicochemical and bioactive properties of the obtained encapsulates. Ethanolic bilberry extract was encapsulated with the use of maltodextrin (16.5–19.5 DE) (MD), gum Arabic (GA), and their combination in a 1:1 w/w ratio (MIX). Bilberry solids to wall material ratios were examined at 20:80, 30:70, and 40:60. All encapsulates showed an attractive red colour and low water activity values (aw ≤ 0.3) that indicated a low risk of microbial spoilage. In general, the biggest losses of total phenolic compounds and anthocyanins during three-week storage in the dark and at room temperature (20 ± 2 °C) were detected in the case of encapsulates with a higher content of bilberry extract (MIX30 and MIX40, and GA30 and GA40, respectively). The use of maltodextrin provided the best protection to bilberry anthocyanins during forced storage. Overall, the obtained encapsulates show suitable potential for the development of food products with added nutritional benefits.Vir: Processes [Elektronski vir]. - ISSN 2227-9717 (Vol. 10, iss. 10, 2022, str. 1-16, art. 10101991)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 123853315
Avtor
Todorović, Ana, biokemija |
Šturm, Luka |
Salević-Jelić, Ana |
Lević, Steva |
Osojnik Črnivec, Ilja Gasan |
Prislan, Iztok |
Skrt, Mihaela, 1970- |
Bjeković, Ana |
Poklar Ulrih, Nataša |
Nedović, Viktor
Teme
kapsulacija |
bioaktivne spojine |
fenolne spojine |
borovnice |
encapsulation |
bilberry |
polyphenols |
anthocyanins |
freeze-drying |
maltodextrin |
gum Arabic |
food colourants
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Todorović, Ana, biokemija | ![]() |
Šturm, Luka | 51227 |
Salević-Jelić, Ana | ![]() |
Lević, Steva | ![]() |
Osojnik Črnivec, Ilja Gasan | 29336 |
Prislan, Iztok | 23417 |
Skrt, Mihaela, 1970- | 15466 |
Bjeković, Ana | ![]() |
Poklar Ulrih, Nataša | 10873 |
Nedović, Viktor | ![]() |
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