simplifing section Flashcards
1
Q
how do you find starch
A
add a few drops of iodine solution to the food solution
turns blue black if present
2
Q
how do you find sugar
A
add a few drops of benedicts solution and heat the solution in a water bath if it turns red-orange sugar is present
3
Q
how do you find protein
A
-add a few drops of copper sulfate solution and sodium hydroxide solution
-if it turns purple then food contains protein
4
Q
how do you find lipids
A
add a few drops of ethanol to the food solution ,
shake it and leave for 1 minute then pour the ethanol into a test tube of water
turns cloudy if present
