Experimental study of the kinetics and shrinkage of ginger in convective drying (Zingiber officinale Roscoe)

Authors

  • Julio Rivas Facultad de Ingeniería Química, Universidad Nacional de Ingeniería (UNI), Managua, Nicaragua
  • Apolinar Picado Department of Chemical Engineering, KTH Royal Institute of Technology, Sweden https://orcid.org/0000-0002-4138-8043
  • Joaquín Martínez Department of Chemical Engineering, KTH Royal Institute of Technology, Sweden https://orcid.org/0000-0001-7241-8789
  • Rodolfo Espinosa Facultad de Ingeniería Química, Universidad Nacional de Ingeniería (UNI), Managua, Nicaragua

DOI:

https://doi.org/10.5377/nexo.v36i01.15797

Keywords:

Zingiber officinale, Drying, Shrinkage, Characteristic drying curve

Abstract

In this work, the drying kinetics of ginger (Zingiber officinale Roscoe) was studied considering the shrinkage effect. The experimental data were obtained using three different temperatures (40, 60, and 80 °C). For the determination of shrinkage, two cutting orientations were employed. The volumetric and thickness shrinkage was evaluated by direct measurement. The shrinkage showed two periods during drying and had a considerable effect on the drying rate. An equation that relates the changes in the drying area as a function of the moisture content was determined. During drying, ginger showed only a falling rate period and exhibited a characteristic drying curve.

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Published

2023-02-22

How to Cite

Rivas, J. ., Picado, A. ., Martínez, J. ., & Espinosa, R. . (2023). Experimental study of the kinetics and shrinkage of ginger in convective drying (Zingiber officinale Roscoe). Nexo Scientific Journal, 36(01), 53–65. https://doi.org/10.5377/nexo.v36i01.15797

Issue

Vol. 36 No. 01 (2023): To the memory of Professor Luis (“Lucho”) Moreno from KTH Royal Institute of Technology, Sweden

Section

Articles

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