Iodine's color change depends on what it is dissolved in. As a solid, iodine is kind of a grayish metal with a purple vapor. If you add a bit of iodine solution into oil, you can see that really ...

On the Origin of the Blue Color in The Iodine/Iodide/Starch Supramolecular Complex; On the Origin of the Blue Color in The Iodine/Iodide/Starch Supramolecular Complex; Kinetics and Thermodynamics of ...

THE elevation of serum amylase activity in pancreatitis was first described ... Serum amylase values were determined by the method of Somogyi, 19 making use of the Wohlgemuth starch-iodine color ...

You add starch as an indicator of iodine to detect the end-point," explained Seshadri. "When you add iodine to potato starch in solution, it turns a dark blue-black." ...

A rare iodine polymer discovery is key to the starch-iodine mystery, say scientists. Skip to main content. Your source for the latest research news. Follow: Facebook X/Twitter Subscribe: RSS Feeds.

If the starch should happen to be chewed apart by an enzyme, the iodine gets released and reverts to its regular color. The problem is, amylase is too useful an enzyme to confine itself to only ...

I3− + 2 S2O32− → 3 I− + S4O62−. Just like that, we have those lonely three negatively charged iodine molecules again, and the hydrogen peroxide can react with them again, starting the ...

Put 1cm³ of amylase enzyme into tube 1 but not tube 2. Leave at room temperature for five minutes. Test for starch (using iodine) and glucose (using Benedict’s reagent) inside and outside both ...

Two new studies found that ancient human ancestors carried a surprising diversity of genes for amylase, an enzyme that breaks down starch. By Carl Zimmer As soon as you put starch in your mouth ...