Microscopy Podcast

The pink oval structures are potato starch grains. One of the easiest and fastest way to observe starch grains is to scratch some sample off the surface of a potato with a sharp object and then adding some diluted iodine Read More …

Potato starch grains are an ideal for observation in polarized light and in dark-field. Sample preparation is simple and straight-forward.

Here I would like to show you two images of potato starch grains taken with different optical contrasting methods.