Comparing E1100 - Alpha-Amylase vs E917 - potassium iodate
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Popular questions
What does amylase break down?
It breaks down starch (amylose and amylopectin) by cleaving alpha-1,4-glycosidic bonds into shorter sugars such as maltose, maltotriose, and dextrins.
What does amylase do?
Alpha-amylase catalyzes the hydrolysis of starch into shorter, fermentable sugars; in foods it reduces starch viscosity and helps baking and brewing by generating sugars for yeast.
Where is amylase produced?
In humans it’s produced by the salivary glands and the pancreas; industrially (E1100) it’s made mainly by microbial fermentation (e.g., Bacillus or Aspergillus), and plants also produce it.
Where is amylase found?
It occurs in saliva and pancreatic secretions, in many plants and microorganisms, and in foods as a processing aid in baked goods, brewing, and starch syrups.
Is amylase an enzyme?
Yes—alpha-amylase (E1100) is an enzyme (a glycoside hydrolase) that breaks down starch.
Is potassium iodate dangerous?
At permitted food-use levels it’s considered safe, but it’s a strong oxidizer and excessive iodine intake can disturb thyroid function (especially in people with thyroid disease, infants, or during pregnancy). As a pure chemical it can irritate eyes/skin and should be handled with care.
Why is potassium iodate banned?
In the EU/UK it’s not authorized as a food additive (flour treatment agent) due to safety concerns about excess iodine exposure and lack of technological need; however, some countries still allow limited uses such as salt iodization. Regulations vary by country.
What is potassium iodate used for?
It’s used as an oxidizing flour improver/dough conditioner in some countries and as a stable iodine source for iodizing table salt.
How does sodium bisulfite and potassium iodate react to make iodine reaction with starch equations?
In acid, bisulfite first reduces iodate to iodide: IO3− + 3 HSO3− → I− + 3 HSO4−; once bisulfite is consumed, iodate oxidizes iodide to iodine: IO3− + 5 I− + 6 H+ → 3 I2 + 3 H2O; iodine then forms I3− with I− (I2 + I− → I3−), which gives the blue starch–iodine complex.
How much of solid kio3 do you need to make 25.00ml of a 0.20m potassium iodate solution? 1.07 g?
About 1.07 g KIO3 (0.02500 L × 0.200 mol/L = 0.00500 mol; molar mass ≈ 214 g/mol; mass ≈ 1.07 g).