Food Technology

Food Technology

From liquids to emulsions, solid samples, or coatings, etc. in the food technology diverse samples are analyzed on a regular basis. The flexible WITec imaging and analytical tools provide the opportunity to adjust the imaging technique to varying requirements. The samples can be comprehensively analyzed regarding their chemical and physical properties and depth profiles and 3D images can be generated to visualize the results in a clear and accessible manner.

WITec’s highly versatile instruments can combine various imaging techniques to significantly increase the insights provided by measurement results. Possible combinations which can be included in a single microscope setup include confocal Raman imaging, Atomic Force Microscopy (AFM), Nearfield-Microscopy (SNOM) and Scanning Electron Microscopy (SEM). Confocal Raman imaging provides chemical information, AFM detects topography, structure, and physical properties such as stiffness, adhesion, etc. of the sample’s surface, and SNOM high-resolution measurements can optically reach beyond the diffraction limit. All WITec instrument configurations can be upgraded at any point to adapt the system to new or extended requirements.

Application Examples

WITec Pollen in honey 3D Raman Image

3D Raman Image of a pollen in crystalline honey. Data were acquired and processed with the new WITec Suite software. Image parameters: 150 x 150 x 50 pixels = 1,125,000 Raman spectra, scan area: 50 µm x 50 µm x 50µm, integration time per spectrum: 12.2 milliseconds, total acquisition time: 3h 50 min.

WITec Raman Food Emulsion

Confocal Raman Image of a emuslion used in food production. Red & Green: Fatty matrix; Blue: Aqueous phase; Yellow: Emulsifier.

Imaging Systems for Food Technology

Literature

  • Application Note Food Analysis

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    (281 KB)
  • Application Note 3D Raman Imaging

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    (1.3 MB)
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