Carbohydrates test
Denise Costales
Created on October 6, 2022
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Transcript
4
2
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1
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Reagent test strips
Reducing sugars can also be detected with strips
BEnedict test
-Reduced sugars donate electrons to coper (ll) sulphate -The reduction will precipitate in a red/brown spectrum
Benedict test for non reducing sugars
Non reducing sugars can be tested with Benedicts reactant by adding first HCl
Carbohydrates Test
Carbohydrates are the human gasoline
Iodine test
Pottasium Iodine can be used to test the presence of starch
Reducing sugar detection test: - Reducing sugars can give away electrons (monosacharides, most disaccharide) - Benedict's reagent (copper (ll) sulphate) - sample+ Benedict's reagent in boiling water - reduction of copper ions will turn the Benedict's solution from blue to red.
What causes the red precipitate in benedict reaction? Which are the non reducing sugars?