food tests Flashcards
(5 cards)
1
Q
reducing sugar
starch
fats
protiens
A
RS: Benedict’s test
SR: Iodine Test
FT: Emulsion test
PI: Biuret test
2
Q
Benedict’s test
A
solution remained blue: reducing sugars ab
red precipitate formed: large amt of reducing sugars
3
Q
Iodine Test
A
Iodine remained brown: Starch is AB
Iodine turned blue-black: Starch is PRES
4
Q
Emulision test
A
the mixture remained clear: fats are AB
A white emulsion is formed: fats are PRES
5
Q
Biuret Test
A
mixture remained blue: Protein is AB
Mixture turned from blue to violet: Protein is PRES
