Food tests Flashcards
(4 cards)
1
Q
Starch test
A
Add iodine
Brown to blue black
2
Q
Proteins
A
Grind food in pestle and mortar
Add biuret solution
Blue to purple
3
Q
Sugars
A
Grind food in pestle and mortar mix with water
Add Benedict’s solution
Heat mixture in water bath at 75 Celsius on a water bath
Blue to orange
4
Q
Lipids
A
Grind with pestle and mortar
Cold ethanol will go cloudy with lipids