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Bebek Markovinović, Anica; Putnik, Predrag; Bosiljkov, Tomislav; Kostelac, Deni; Frece, Jadranka; Markov, Ksenija; Žigolić, Adrijana; Kaurinović, Jelena; Pavlić, Branimir; Duralija, Boris; Zavadlav, Sandra; Bursać Kovačević, Danijela
Antioxidants, 02/2023, Volume: 12, Issue: 2Journal Article
3D printing technology (3DP) as additive manufacturing is an innovative design technology that can meet the individual nutritional and sensory needs of consumers. Therefore, the aim of this work was to apply 3DP in the production of a strawberry-based functional product with the addition of two hydrocolloids (corn and wheat starch) in three proportions (10, 15 and 20%) and to investigate the influence of 3DP process parameters on physico-chemical and textural properties, as well as the bioactive and antioxidant potential and microbiological stability, with(out) the addition of natural antimicrobial agents. Starch type had a significant effect on all tested bioactive compounds, as well as on starch content, except for total phenolic and hydroxycinnamic acid contents. Considering the content of bioactive compounds and antioxidant capacity, program 2 proved to be more suitable than program 1. All samples exhibited good textural properties, a high degree of stability and minimal geometric deviations. Regarding microbiological safety, no pathogenic bacteria were found in the 3DP samples during storage. The 3DP sample with added citral at a concentration of 75 mg L showed the best microbiological quality. Ultimately, 3DP can be successfully used for the production of new strawberry-based functional products.
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