Flavonoid enrichment of fresh-cut apple through osmotic dehydration-assisted impregnation

Ma. Michelle L. Lopez, Rui M. S. C. Morais*, Alcina M. M. B. Morais

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

6 Citações (Scopus)

Resumo

Purpose: Inclusion of bioactive compounds in food products is promising for developing novel functional food products. The feasibility of incorporating flavonoids and low-calorie sugar substitutes in fresh-cut apple through osmotic dehydration (OD) was investigated. Design/methodology/approach: The impregnation of quercetin and fisetin in apple cubes was tested. The effects of different osmotic agents, sucrose and sorbitol:mannose, on the water loss (WL) and sugar gain of the samples were studied at 25 and 40 °C for eight hours. Findings: Temperature was a significant factor in the mass transfer kinetics, that is to say, higher temperatures resulting in higher rates. The molecular weight of the solutes in the osmotic solution also affected the OD kinetics and flavonoids uptake, as well as the physico-chemical quality. Originality/value: Overall, the results indicate that OD using alternative low-calorie and health-promoting solutes can be an effective treatment to simultaneously enrich fresh-cut apples with senolytic flavonoids, therefore presenting a great potential for a novel functional food product.
Idioma originalEnglish
Páginas (de-até)820-832
Número de páginas13
RevistaBritish Food Journal
Volume123
Número de emissão2
DOIs
Estado da publicaçãoPublished - 19 jan 2021

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