Testing for Starch in Food - Components of Food Class 6 Science Concepts | BYJU'S - Class 6

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Welcome to a whole new session on Byjus 6,7,8 channel.
In this session, Aishwarya Ma’am will be demonstrating the starch indication test using iodine. The concept is from the NCERT chapter Components of food.
Procedure
Take a fresh Potato that is washed, cleaned, and dried.
Peel off the skin of the potato.
Cut the potato into small cubes or slices.
With the help of a clean and dried Spatula, place the potato samples on the clean and dried porcelain tile.
Add 2 to 3 drops of dilute iodine solution to the potato samples.
Keep the slide undisturbed and observe the changes.
Observations
There will be a change in color. A blue-black color develops on the slice or cubes of the potato samples.
Result
The result is positive.
According to the observation the food sample or the potato slice turned to blue-black on adding the iodine solution. This proves the presence of starch in the given plant source.
We at BYJU'S always strive to give you the best, Add this video to your study plans to understand the concepts better.

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