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16 Terms
Glucose
Benedict’s test
Starch
Iodine test
Protein
Biuret’s test
Lipids
Emulsion test
Biuret’s test (method)
Add sodium hydroxide + copper sulfate
Emulsion test (method)
Add ethanol + water
Benedict’s test (method)
Add Benedict’s solution, then warm in a hot water bath
Iodine test (method)
Add iodine
Positive result for Biuret’s test
Purple
Positive result for Benedict’s test
High concentration: Brick red
Medium concentration: Yellow/ orange
Low concentration: Green
Positive result for Iodine test
Blue-black
Positive result for Emulsion test
Cloudy white
Negative result for Biuret’s test
Blue
Negative result for Benedict’s test
Blue
Negative result for Emulsion test
Colourless
Negative result for Iodine test
Brown
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