Starch Mucilage

Starch Mucilage Triturate 0.5 g of starch or soluble starch with 5 mL of water and add, stirring continuously, to sufficient water to produce about 100 mL. Boil for a few minutes, cool and filter.

Produces a blue colour with free iodine in the presence of a soluble iodide.

It must be recently prepared.