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A novel technique for ice crystal visualization in frozen solids using X-ray micro-computed tomography.

Author(s) : MOUSAVI R., MIRI T., COW P. W., et al.

Type of article: Article

Summary

A novel technique, using an X-ray micro-computed tomography system (X-ray micro-CT system) has been developed for visualization of the two- (2-D) and three-dimensional (3-D) ice crystal structures formed during freezing. The system reconstructs 3-D images based on a set of 2-D images obtained by multiple slicing of an X-ray shadow image. This study demonstrates the capability of the technique to characterize the ice crystal microstructure of mycoprotein products after freezing. Results are presented for the 2-D ice crystals formed within mycoprotein frozen at different rates. The method requires freeze-drying of the sample to remove frozen water before scanning to indicate ice crystal and internal structure of the material at a depth of 1 cm. The dendrite spacing of ice crystals has been related to the freezing conditions of the material.

Details

  • Original title: A novel technique for ice crystal visualization in frozen solids using X-ray micro-computed tomography.
  • Record ID : 2006-1828
  • Languages: English
  • Source: Ital. J. Food Sci. - vol. 70 - n. 7
  • Publication date: 2005/09

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