Tests for Carbohydrates
Tests for Carbohydrates
Tests for Carbohydrates
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<strong>Tests</strong> <strong>for</strong> <strong>Carbohydrates</strong><br />
Report Sheet<br />
Date ___________________________ Name _________________________________<br />
Section _________________________ Team _________________________________<br />
Instructor _______________________<br />
Pre-Lab Study Questions<br />
1. What happens to glucose or galactose when the Cu 2+ in Benedict’s is reduced<br />
2. Would you expect fructose or glucose to <strong>for</strong>m a red color rapidly with Seliwanoff’s reagent<br />
3. Why don’t all the disaccharides undergo fermentation with yeast<br />
4. How can the iodine test be used to distinguish between amylose and glycogen<br />
Results of Carbohydrate <strong>Tests</strong><br />
Glucose<br />
A. Benedict’s Test B. Seliwanoff’s Test C. Fermentation Test D. Iodine Test<br />
Fructose<br />
Sucrose<br />
Lactose<br />
Starch<br />
Water<br />
Unknown<br />
#_______
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