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Food and Bioprocess Technology

, Volume 11, Issue 7, pp 1267–1273 | Cite as

Micropatterning Technology to Design an Edible Film for In Vitro Meat Production

  • Cristian A. Acevedo
  • Nicole Orellana
  • Katherine Avarias
  • Rina Ortiz
  • Diego Benavente
  • Pablo Prieto
Original Paper
  • 343 Downloads

Abstract

In vitro meat is an edible muscle tissue produced in a laboratory using bioengineering tools, avoiding the slaughter of farmed animals. In the early stages of in vitro meat production, the muscle cells need to be oriented and aligned to form muscle fibers. Additionally, the adherent muscle cells require an appropriate matrix where they can proliferate and differentiate. In this work, a film (matrix) was formulated with edible biopolymers and then shaped using micropattern mold and cold-casting technique. The mold was fabricated by using a laser cutter, allowing building parallel microchannels of ~ 70 μm wide. The film surface was suitable for laying muscle cells in a fiber-like array. Microstructural characterization of the micropatterned structures was done by using stereoscopic microscope and scanning electron microscopy. The micropatterned films displayed high biocompatibility, allowing muscle cell adhesion (~ 70%) and growth (doubling time ~ 18 h). Fluorescence microscopy was used to study the morphology of the cells cultured onto the micropatterned films, showing fiber-like morphology (~ 80-μm fiber diameters). The shape and size of the obtained cells mimic the muscle fiber. By using immunofluorescence microscopy, the expression of specific myogenic markers was identified. These results confirm that edible films made by casting on micropatterned molds can be used for in vitro meat production.

Keywords

Biopolymers Edible film In vitro meat Micropatterning technology 

Notes

Acknowledgments

The authors would like to thank financial support from FONDECYT Grant 1160311 (CONICYT, Chile).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Cristian A. Acevedo
    • 1
    • 2
  • Nicole Orellana
    • 2
  • Katherine Avarias
    • 2
  • Rina Ortiz
    • 2
  • Diego Benavente
    • 3
  • Pablo Prieto
    • 3
  1. 1.Departamento de FísicaUniversidad Técnica Federico Santa MaríaValparaísoChile
  2. 2.Centro de BiotecnologíaUniversidad Técnica Federico Santa MaríaValparaísoChile
  3. 3.Engineering Design DepartmentUniversidad Técnica Federico Santa MaríaValparaísoChile

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