Leaf Starch Test #1
by Cordelia Molloy/science Photo Library
Title
Leaf Starch Test #1
Artist
Cordelia Molloy/science Photo Library
Medium
Photograph - Photograph
Description
Leaf starch test on leaves that have been kept in the dark (right) and exposed to light (left). This test uses iodine, which gives a dark blue colour in the presence of starch. Starch is a carbohydrate produced in leaves by photosynthesis. To perform the test, the leaves were boiled in alcohol to remove the green pigment chlorophyll, then had an iodine solution applied.
Uploaded
February 17th, 2021
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