Design and Development of Oleoresins Rich in Carotenoids Coated Microbeads
Source abstract
Abstract
The aim of this study was to encapsulate the oleoresins rich in carotenoids extracted from sea buckthorn (Hippophae rhamnoides) fruits into a blend of sodium-alginate and κ-carrageenan microbeads (2% w/v) coated by a sodium-alginate (2% w/v) layer prepared using an ionotropic gelation technique with calcium chloride (2% w/v) by dropping method. The fresh obtained coated microbeads had a “fried eggs” like appearance with a size distribution ranging from 4 to 6 mm. The coated microbeads were analyzed for their SEM and fluorescence. The encapsulation efficiency was 92%. Their stability was investigated by evaluation of the physical integrity performance in aqueous media with different pH to mimic the gastrointestinal tract for 24 h at 37 °C under laboratory conditions. The results demonstrated the limitation of the coated microbeads swelling ability under pH 7. The coated microbeads could be a good tool to guarantee oleoresins rich in carotenoids stability and colon delivery. The present study shows an attractive encapsulation system of oleoresins, in order to obtain stable products for further applications.
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Research context
OpenAlex topics: Phytochemical and Pharmacological Studies · Seaweed-derived Bioactive Compounds · Food Industry and Aquatic Biology
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Food Science and Technology, Institute of Life Sciences, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
Biozoon Food Innovations GmbH, Nansenstrasse 8, 27572 Bremerhaven, Germany
CENCIRA Agrofood Research and Innovation Centre, Ion Meșter 6, 400650 Cluj-Napoca, Romania
Funding
Ministerul Educației și Cercetării Științifice
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