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#156 Nutrient Tests Observations


Test 1: Starch test 

Test 2: Benedict’s exam for Reducing sugars


Observation
(Final color change)

Interpretation
No color modify
(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 three Emulsion (Ethanol test) for Fat 


Test 4: Biuret Test for Proteins  

Additional source:  Brilliant Biology Student  

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