Cellulose as a Delivery System of Raspberry Juice Volatiles and Their Stability (CROSBI ID 279452)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Vukoja, Josipa ; Pichler, Anita ; Ivić, Ivana ; Šimunović, Josip ; Kopjar, Mirela
engleski
Cellulose as a Delivery System of Raspberry Juice Volatiles and Their Stability
Formulation of delivery systems for active ingredients is of increasing importance for the food industry. For that purpose, we selected cellulose as a carrier polymer of raspberry volatiles. Freeze-dried cellulose/raspberry complexes were prepared by complexation of raspberry juice(constant amount) and cellulose (2.5%, 5%, 7.5% and 10%). In our study, cellulose was shown as agood carrier of raspberry juice volatiles. Thirty-nine volatiles were detected in raspberry juice while 11 of them were lost during preparation of the complexes. Berry flavor note was the dominant one in raspberry juice (40% of overall flavor), followed by citrus and woody notes (each around 18% of overall flavor) and floral, fruity, and green (each around 8% of overall flavor). Cellulose/raspberry complexes had different flavor profiles, but a berry flavor note was still the dominant one in all complexes. These results suggest an efficient plant-based approach to produce value-added cellulose/volatile dry complexes with possible utility as food flavoring ingredients.
raspberry volatiles ; cellulose ; stability ; encapsulation ; freeze-drying ; SPME ; GC/MS analysis
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