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how to test starch in potato

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how to test starch in potato

  • 1 answers

Payal Singh 6 years, 10 months ago

Test to confirm the presence of  (starch) : The following steps are performed to test the presence of starch in a potato.

  • Take small slices of the potato to be tested on a porcelain tile.
  • Dilute it with two drops of water.
  • Put 2-3 drops of iodine solution on it.
  • Observe the colour of the food item.
  • Change of colour in the food item into blue-black indicates the presence of starch in the food item.
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