Iodine does not react with sugar, it reacts with starch.
then starch is not present...
ducks started to fly.
It's very likely that Iodine will react with plant products, since Iodine reacts with starch. Negative controls (glucose, water, and protein) could be used to verify the result.
Iodine salts haven't starch.
Iodine does not react with sugar, it reacts with starch.
starch starch
then starch is not present...
starch
ducks started to fly.
glue, tape, staples, paperclips, and sometimes the sap of trees.
It's very likely that Iodine will react with plant products, since Iodine reacts with starch. Negative controls (glucose, water, and protein) could be used to verify the result.
Iodine (a halogen) forms a starch-iodine complex by binding with amylose coils, which results in a transfer of charge between amylose and iodine, changing the energy levels of iodine atoms, and producing a dark blue color.
To detect starch hydrolysis on a starch agar plate, you can add iodine solution. Iodine reacts with starch to form a blue-black color, and if starch is hydrolyzed by the organism, the clear zone around the bacterial growth will indicate the presence of amylase, an enzyme that breaks down starch.
Starch has high affinity for Iodine and in presence of iodine crystals starch turns blue from being colourless. This the fundamental that is used for chemically identifying the starch.
Iodine salts haven't starch.
Any reaction; iodine is used to test the contamination with starch.