Food Tests Flashcards
1
Q
What does iodine test for?
What’s its starting colour?
Colour for positive result?
A
-starch
-orange
-blue/ black
2
Q
What does biurets reagent test for?
Starting colour?
Colour for positive result?
A
Protein
-blue
-purple
3
Q
What does ethanol+water test for?
Starting colour
Positive result
A
-lipids
-clear
-white emulsion
4
Q
What does Benedict’s Reagent+heating with a water bath to 70 degrees test for ?
Starting colour?
Positive result?
A
-sugar
-blue
-green,yellow, orange , red
(Least- most sugar present )
