07 May 2014

#156 Food tests observations


Test 1: Starch test 

Test 2: Benedict’s test for Reducing sugars




Observation
(Final colour change)


Interpretation

No colour change
(Blue)
No reducing sugars present

Green
Trace amounts of reducing sugars present

Yellow

Low amounts of reducing sugars present

Orange

Moderate amounts of reducing sugars present

Brick-red

Large amounts of reducing sugars present



Test 3 Emulsion (Ethanol test) for Fat 


Test 4: Biuret Test for Proteins  

Additional source:  Brilliant Biology Student  

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