Microencapsulation of anthocyanin-rich black soybean coat extract by spray drying using maltodextrin, gum Arabic and skimmed milk powder
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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.
Извор:Journal of Microencapsulation, 2017, 34, 5, 475-487
- Taylor & Francis Ltd, Abingdon
- Развој нових инкапсулационих и ензимских технологија за производњу биокатализатора и биолошки активних компонената хране у циљу повећања њене конкурентности, квалитета и безбедности (RS-46010)
- This is peer-reviewed version of the following article: Kalušević, A.; Lević, S.; Čalija, B.; Pantić, M.; Belović, M.; Pavlović, V.; Bugarski, B.; Milić, J.; Žilić, S.; Nedović, V. Microencapsulation of Anthocyanin-Rich Black Soybean Coat Extract by Spray Drying Using Maltodextrin, Gum Arabic and Skimmed Milk Powder. J. Microencapsulation 2017, 34 (5), 475–487. https://doi.org/10.1080/02652048.2017.1354939