Freeze-dried blueberry fruit pieces in the microscope.
The displayed magnifications are 20- & 60-fold in the light microscope (LM) and 170- & 1400-fold in the scanning electron microscope (SEM).
The accompanying zoom video:
Quality and taste of a food-powder depend strongly on the final particle sizes and their structural characteristics. Both characterizations – size and structure/shape – can be ideally captured using microscopy and image processing.
Note: The magnification given here refers for each image to the view on a 19 inch screen.