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Strawberry tree fruits (Arbutus unedo L.): Bioactive composition, cellular antioxidant activity, and 3D printing of functional foods

  • Anica Bebek Markovinović
  • , Dora Brdar
  • , Predrag Putnik
  • , Tomislav Bosiljkov
  • , Ksenija Durgo
  • , Ana Huđek Turković
  • , Irena Brčić Karačonji
  • , Karlo Jurica
  • , Branimir Pavlić
  • , Daniel Granato
  • , Danijela Bursać Kovačević
  • University of Zagreb
  • University North
  • Institute for Medical Research and Occupational Health
  • Faculty of Health Studies, University of Rijeka
  • Ministry of the Interior
  • University of Novi Sad

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this study was to investigate the use of Arbutus unedo L. fruits for the production of functional foods by three-dimensional printing (3DP). First, the biological activity of the fruits was investigated in vitro, followed by 3DP with different starch types and proportions using two 3DP programs. All 3DP samples were characterized for their bioactive, antioxidant, physicochemical and rheological properties. In terms of biological activity, the recommended daily dose of polyphenols from the aqueous extract of A. unedo can protect the integrity of DNA. Moreover, it could be useful as an antimicrobial agent. All 3DP parameters significantly affected bioactive compounds and antioxidant capacity. The 3DP products were found to be a good source of polyphenols (632.60 mg/100 g), among which condensed tannins were predominant (42 %). In conclusion, the fruits of A. unedo should be considered as a sustainable resource for the production of innovative functional foods with 3DP.

Original languageEnglish
Article number137287
JournalFood Chemistry
Volume433
DOIs
Publication statusPublished - 1 Feb 2024

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure

Keywords

  • Additive manufacturing
  • Antioxidant capacity
  • Bioactive compounds
  • Biological activity
  • Cell models
  • Pigments
  • Rheology

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