NUTRITION
LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the followings is the reagent to test starch in foods?
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Benedict’s
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Biuret
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Tolluen’s
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Iodine
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Explanation:
Detailed explanation-1: -Starch Test: Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers, or flour. A blue-black color results if starch is present.
Detailed explanation-2: -Explain which reagent is used in the Iodine test: Lugol’s reagent is used in the Iodine test. This reagent is a common disinfectant and comprises elemental iodine and potassium iodide (KI).
Detailed explanation-3: -In the presence of starch, iodine changes its color from brown to blue-black or purple. So, iodine can be used to test the presence of starch.
There is 1 question to complete.