how will you test presence of starch in fats in the food items
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Answer:
you have to put some drops of dilute iodine solution into the material if it gives black blue color it means the starch is present in it. this test is called as iodine solution test..
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Test for starch
There are many types of carbohydrates. The main carbohydrates found in our food are in the form of starch and sugars. We can easily test if a food item contains starch.
- Take small quantity of the food items to be tested.
- Put 2-3 drops of iodine solution on it.
- Observe the colour of the food item.
- Blue-black colour indicates the presence of starch in the tested food item.
Test for Fats
To prove the presence of Fats in food.
brown paper, source of light & food
A small quantity of food is rubbed in the centre of Brown paper. The paper is held in front of the source of light .
In the attachment
The food has left a bright-greasy patch on paper .
The food contains fat as it is translucent.
Attachments:
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