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chapt 3
chapt 3.4 food tests
reducing sugar (benedicts test)
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Cards (8)
reducing sugars
g
lucose
, f
ructose
, m
altose
step 1
add
5cm^3
of
distilled water
to
crushed pieces
of food sample in a
test tube
step 2
shake well
to
dissolve nurtients
present
step 3
decant
liquid into another test tube
step 4
add
2cm^3
of
benedicts solution
to
2cm^3
of decanted solution and
shake
well
step 5
heat in
hot water bath
for
3
to
5
mins
reducing sugar present
brick-red precipitate
formed
reducing sugar absent
solution remains
blue
