[PDF] Experiment – Carbohydrates
If non-reducing disaccharides or the components of starch are hydrolyzed, the acetal functional groups will be converted to hemiacetals Hydrolysis is catalyzed by strong acids and certain enzymes When iodine is added to starch an intense dark blue color results
[PDF] EXPERIMENT 7
About 3-5 g each of Glucose, Fructose, Maltose, Sucrose, Starch Another example of a specific test for carbohydrates is the iodine test, which detects the may be hydrolyzed by reaction with water (a reaction which is catalyzed by acid) to
[PDF] Chem 11 Lab Manual - Moorpark College
The result is a different color (purple) When starch is hydrolyzed and broken down to small carbohydrate units, the iodine will not give a dark blue (or purple) color The iodine test is used in this experiment to indicate the completion of the hydrolysis
[PDF] Chem 11 Lab Manual - Moorpark College
1 Acidic (H2SO4) 2 Basic (NaOH) Acid-Catalyzed Hydrolysis of Starch Sample Heating Time (min) Color Observation Iodine Test (positive or negative) 1
[PDF] SALIVA LAB
maltose from starch occurs within the mouth in a reaction catalyzed by amylase, an of starch solution and 1 drop of iodine solution in a small test tube and observe the Add 2 drops of hydrochloric acid to the saliva in beaker B Avoid getting acid on In which beaker did the greatest amount of starch hydrolysis occur?
[PDF] biochemija_anglu k_2012_Sarlauskui - ES parama
drop of testing solution into chine plate and add 1 drop of iodine solution Check for The hydrolysis of starch can be checked by iodine reaction Lipase is a fat- digesting enzyme, catalyzing the hydrolysis of fat to fatty acids and glycerol The
ANALYZING THE LIMITS AND EXTENT OF ΑLPHA - CORE
extent of degradation of starch in filter cake using the iodine test, identifying include acid hydrolysis and enzyme catalyzed hydrolysis (Thomas 1982) Starch
[PDF] Annotated Lab Report - WriteOnlineca
16 nov 2013 · rates of reaction, an iodine test was completed on solutions Salivary amylase catalyzes the reaction, acting on starch as the substrate [the other reac- analogous to hydrolysis) phosphoric acid, rather than water, acts as a
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