Testing For Nutrients Flashcards
1
Q
What is the Lugol Test?
A
iodine solution = startch = blue-black = Positive Negative = yellow or brown no startch
2
Q
Test for reducing sugar
A
Benedict solution = if red or orange = reduced sugar = green means little = original color is blue
3
Q
Test for protein
A
Biuret solution = positive test = turns purple, violet or lilac.
Negative = blue
4
Q
Test for Fats
A
Positive = White or Cloudy
Negative = Ethanol stays same color
5
Q
What is solution?
A
Mixture of substances
6
Q
What is solute?
A
Substance being dissolved
7
Q
What is Solvent?
A
Substance that makes the solute dissolve
