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Microencapsulation of anthocyanin-rich black soybean coat extract by spray drying using maltodextrin, gum Arabic and skimmed milk powder

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2017
4455.pdf (1.042Mb)
Authors
Kalušević, Ana
Lević, Steva
Calija, Bojan
Pantić, Milena
Belović, Miona
Pavlović, Vladimir
Bugarski, Branko
Milić, Jela
Žilić, Sladjana
Nedović, Viktor
article (publishedVersion)
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Abstract
Black soybean coat is insufficiently valorised food production waste rich in anthocyanins. The goal of the study was to examine physicochemical properties of spray dried extract of black soybean coat in regard to carrier materials: maltodextrin, gum Arabic, and skimmed milk powder. Maltodextrin and gum Arabic-based microparticles were spherical and non-porous while skimmed milk powder-based were irregularly shaped. Low water activity of microparticles (0.31-0.33), good powders characteristics, high solubility (80.3-94.3%) and encapsulation yields (63.7-77.0%) were determined. All microparticles exhibited significant antioxidant capacity (243-386 mu molTE/g), good colour stability after three months of storage and antimicrobial activity. High content of total anthocyanins, with cyanidin-3-glucoside as predominant, were achieved. In vitro release of anthocyanins from microparticles was sustained, particularly from gum Arabic-based. These findings suggest that proposed simple eco-friendly... extraction and microencapsulation procedures could serve as valuable tools for valorisation and conversion of black soybean coat into highly functional and stable food colourant.

Keywords:
Black soybean coat / anthocyanin-rich extract / spray drying / microencapsulation / microparticles / colourant
Source:
Journal of Microencapsulation, 2017, 34, 5, 475-487
Publisher:
  • Taylor & Francis Ltd, Abingdon
Funding / projects:
  • info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46010/RS// (RS-46010)
  • info:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31069/RS// (RS-31069)

DOI: 10.1080/02652048.2017.1354939

ISSN: 0265-2048

PubMed: 28715926

WoS: 000407441700005

Scopus: 2-s2.0-85026877061
[ Google Scholar ]
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4458
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  • Radovi istraživača / Researchers’ publications
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Poljoprivredni fakultet

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