Biuret Test, Benedict Test and Indophenol Test
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More Lessons for Biology
Math Worksheets
Videos and experiments that are suitable for Biology. Biuret test to test for proteins. Benedict Test for Reducing Sugars and Non-Reducing Sugars and Indophenol Test for Vitamin C.
Biuret Test for Proteins
Demonstration of the biuret test for proteins.
A color change of blue to purple is a positive result to show that protein is present.
Benedict Test for Reducing Sugars
Test detecting the presence of glucose (a reducing sugar). An orange/brick-red color is a positive result to show that glucose is present.
Benedict Test for Non-Reducing Sugars
The acid is used to breakdown the sucrose (a non-reducing sugar) into glucose (a reducing sugar) and you add the sodium hydroxide to neutralise the acid.
Then we use the Benedict Test for reducing sugar.
Indophenol Test for Vitamin C
Indophenol is an indicator that turns colorless in the presence of vitamin C. The fewer drops of juice you need for the color change, the higher the vitamin C content in the juice
More Lessons for Biology
Math Worksheets
Videos and experiments that are suitable for Biology. Biuret test to test for proteins. Benedict Test for Reducing Sugars and Non-Reducing Sugars and Indophenol Test for Vitamin C.
Biuret Test for Proteins
Demonstration of the biuret test for proteins.
A color change of blue to purple is a positive result to show that protein is present.
Test detecting the presence of glucose (a reducing sugar). An orange/brick-red color is a positive result to show that glucose is present.
The acid is used to breakdown the sucrose (a non-reducing sugar) into glucose (a reducing sugar) and you add the sodium hydroxide to neutralise the acid.
Then we use the Benedict Test for reducing sugar.
Indophenol is an indicator that turns colorless in the presence of vitamin C. The fewer drops of juice you need for the color change, the higher the vitamin C content in the juice
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