Cited by 93Additive Manufacturing and 3D Printing TechnologiesPolysaccharides Composition and ApplicationsInnovations in Concrete and Construction Materials

3D printing in situ gelification of κ-carrageenan solutions: Effect of printing variables on the rheological response

Open access
Diañez, I., Gallegos, C., Brito-de la Fuente, E., Martínez, I., Valencia, C., Sánchez, M.C., Diaz, M.J., Franco, J.M.·2019·Food Hydrocolloids

Abstract

This work reports a successful 3D printing-based in situ temperature-induced gelification procedure of κ-carrageenan aqueous dispersions. 3D printer was modified to handle low viscosity fluid feeding and more efficiently distribute ambient air at room temperature causing forced convection to accelerate the cooling of the printed layer. Thus, obtained gel samples, containing 30 mg/g κ-carrageenan in water, showed self-sustaining capability and a rheological response comparable with a reference conventionally prepared gel. Moreover, the effect of main printing variables, such as temperature of the hotend, printing speed and layer height, on the linear viscoelastic response of the gels was analysed by application of the response surface methodology (RSM). In general, gel strength linearly increases by decreasing printing speed and layer height whereas not noticeable improvement in gel strength was achieved by applying hotend temperatures above 80–85 °C. Based on the results obtained from this analysis, an optimisation method is proposed to minimise the temperature and time needed to 3D print a gel with pre-set rheological properties. Overall, this study demonstrates that it is possible to generate in situ 3D printed gel materials with potential uses in food and pharmaco-nutrition, without the aid of reactive additives or initiators, and using a facile protocol.

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Crossref · 10.1016/j.foodhyd.2018.08.010

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  • Additives like sodium alginate and agar-agar improved the stability of printed potato powder and whole milk for dysphagia patients.

    “Notably, the remarks section highlights significant findings, such as the impact of different hydrocolloids on printability and texture, where additives like sodium alginate and agar-agar improved the stability of printed potato powder and whole milk for dysphagia patients [19,107].”

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Authors
Diañez, I., Gallegos, C., Brito-de la Fuente, E., Martínez, I., Valencia, C., Sánchez, M. C., Diaz, M. J., & Franco, J. M.
Affiliations
  • Universidad de Huelva (ES)
  • Fresenius (Germany) (DE)
Corresponding author
Franco, J.M.
Venue
Food Hydrocolloids
Publisher
Elsevier BV
Published
2019-02
Volume
87
Pages
321-330
ISSN
0268-005X (ISSN-L)
OpenAlex
W2885050740
Cited by
93
References
51
Citations by year
2026: 3 · 2025: 11 · 2024: 11 · 2023: 9 · 2022: 22 · 2021: 18 · 2020: 9 · 2019: 9 · 2018: 1
FWCI
4.91
Type
journal article
Language
en
Open access
Locations
  • Food Hydrocolloids (publishedVersion)
  • Repositorio Institucional de la Universidad de Huelva (Universidad de Huelva) (submittedVersion)
  • Hispana (submittedVersion, cc-by-nc-nd)
  • Repositorio Institucional de la Universidad de Huelva (Universidad de Huelva) (submittedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Engineering › Automotive Engineering › Additive Manufacturing and 3D Printing Technologies
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Physical Sciences › Engineering › Building and Construction › Innovations in Concrete and Construction Materials
Keywords
3D printing, kappa-carrageenan, temperature-induced gelation, rheological properties, gel strength, linear viscoelasticity, printing speed, layer thickness, response surface methodology, food gels, pharmaceutical gels

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