food tests Flashcards
1
Q
what is the test for protein
A
add biuret reagent
if present blue to lilac
2
Q
test for sugar
A
add benedicts reagent
put in hot water bath
if present blue to brick red
3
Q
test for starch
A
add iodine
if present orange to blue/black
4
Q
test for fats
A
add ethanol
shake
add water
if present clear to cloudy white emulsion