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. 2024 May 23;13(11):1623.
doi: 10.3390/foods13111623.

Characterization of Antioxidant Bioactive Compounds and Rheological, Color and Sensory Properties in 3D-Printed Fruit Snacks

Anica Bebek Markovinović  1 , Tomislav Bosiljkov  1 , Tibor Janči  1 , Marko Kostić  2 , Nebojša Dedović  2 , Ela Lučić  1 , Katarina Bavrka  1 , Branimir Pavlić  3 , Danijela Bursać Kovačević  1
Affiliations

Characterization of Antioxidant Bioactive Compounds and Rheological, Color and Sensory Properties in 3D-Printed Fruit Snacks

Anica Bebek Markovinović et al. Foods. .

Abstract

The influence of wheat starch (6%, 8% and 10%, w/w) and a 3D printing program (program 1 vs. program 2) on the content of bioactive compounds, antioxidant capacity, color parameters and rheological and sensory properties was investigated in 3D strawberry and strawberry tree fruit snacks. Increasing the starch content led to a decrease in the content of almost all the bioactive compounds, while it had no effect on the antioxidant capacity. The printing program had no significant effect on the bioactive compounds (except hydroxycinnamic acids), antioxidant capacity and color parameters. A higher starch content improved the strength of the sample but had no effect on the mechanical properties. Smaller particles with a higher starch content improved the stability of the sample. In contrast to the programs, varying the starch content had a significant effect on all the color parameters except the a* values. Eight different sweeteners in two different concentrations were used for the sensory evaluation of the 3D-printed snacks. The variations in sweetener content only affected the sweet and harmonious taste. In summary, this study confirms the great potential of fruit bases for the production of 3D-printed snacks with excellent biological and rheological properties, which can be a step toward personalized food with the addition of sweeteners.

Keywords: 3D printing; Arbutus unedo L.; quality; strawberry; strawberry tree fruit.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Designed heart shape for 3D printing: top view (A) and side view (B).
Figure 2
Figure 2
Volume size distribution of control sample (red), sample 4 with 6% (green) and sample 8 with 10% of starch (blue).
See this image and copyright information in PMC

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