LC BIOLOGY- EXPERIMENT-FOOD TESTS!

REBECCA OMOSEBI'S LC BIOLOGY FOOD TEST'S KNOW IT

example of a reducing sugar

glucose

example of a food reducing sugar is found in

cereal

Reducing sugar: reagent

benedicts solution

redusing sugar: colour change

blue to red

what is required in the food test of reducing sugar

heat

reducing sugar: colour when no regant present

stays blue

what is the apparatus required for the benedicts soloution food test experiement

beaker
test tube

gauze

tripod

bunsen burner

sample with bendits solution added

name a polysaccharide

starch

test for starch: reagent used

iodine

test for starch: colour change

red/yellow to blue/black

test for starch: if no iodine present

stays red/yellow

example of lipid

oil

test for lipid: chemical reaction that occurs

brown paper turns translucent

example of protein

keratin

what food can protein be found in

meat

test for protien: reagent

buriet solution

test for protein: colour change

blue to purple

test for protein: colour change if NO buriet solution is present

stays blue