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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7 comments:

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