journal article·2025-01-24Open access

Stability of Fatty Acids, Tocopherols, and Carotenoids of Sea Buckthorn Oil Encapsulated by Spray Drying Using Different Carrier Materials

Patricija Čulina, Sandra Balbino, Dubravka Vitali Čepo, Nikolina Golub, Ivona Elez Garofulić, Verica Dragović-Uzelac, Lijun You, Sandra Pedisić

Applied Sciences· Volume 15· Issue 3

Abstract

The aim of this study was to determine the retention of fatty acids, α-tocopherol, and carotenoids in sea buckthorn oil (SBO) encapsulated with gum arabic (GA), β-cyclodextrin (β-CD), and their mixture (1:1) under pre-optimized spray drying conditions in comparison to the bioactive molecule (BAM) content of the non-encapsulated oil. In addition, the color parameters in the spray-dried powders and the bioaccessibility of β-carotene, which has the highest provitamin A activity, were evaluated. The fatty acid content remained almost unchanged, while statistically significant differences in α-tocopherol and carotenoid content were found between the SBO encapsulated with different carriers and the non-encapsulated oil. The retention of tocopherols and carotenoids compared to the non-encapsulated SBO ranged from 62.13 to 87.23% and from 21.17 to 97.61%, respectively. SBO encapsulated with β-CD showed significantly higher retention of α-tocopherol (87.23%) and individual carotenoids (40.71–97.61%). In addition, the powders showed no significant differences in color parameters, and the powders encapsulated with GA and β-CD showed high bioaccessibility of β-carotene (92.50 and 90.45%, respectively). β-CD proved to be the most suitable carrier for the encapsulation of the carotenoids and α-tocopherol of SBO, resulting in powders with high bioaccessibility of β-carotene.
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Research context

OpenAlex topics: Microencapsulation and Drying Processes · Food Industry and Aquatic Biology · Seaweed-derived Bioactive Compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Centre for Food Technology and Biotechnology, Faculty of Food Technology and Biotechnology, University of Zagreb, P. Kasandrića 3, 23000 Zadar, Croatia

Department of Food Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia

Department for Nutrition and Diet Therapy, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia

School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China

Funding

“Bioactive molecules of medical plant as natural antioxidants, microbicides and preservatives” · Croatian Government

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