FoodLab - Dustin Lee Biology Block C Organic Compound Lab Introduction In class students were paired up to test eight different foods for protein

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Dustin Lee 11/5/2006 Biology Block C Organic Compound Lab Introduction : In class, students were paired up to test eight different foods for protein, starch, oil (fat), and sugar. For each substance we had to test, we added Biuret for protein, iodine for starch, sudan III for fat, and benedict solution for sugar. Out of the eight foods we tested, my group tested whole milk. Hypothesis : Whole milk will test positive for protein and fat but not for starch and sugar. Analysis Questions: 1. The foods our class tested were an egg, crystal light, whole milk, apple jacks, orange juice, fat free yogurt, easy cheese, and cookies. What I found sort of surprising was that the easy cheese contained protein, starch, fat, and sugar. 2. Some errors that could have occurred in the experiments include using too much of your food substance, or adding too many milliliters of benedict solution, biuret, sudan III, and iodine for the tests. 3.
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This note was uploaded on 09/21/2011 for the course BIOG 1110 taught by Professor Randywayne during the Spring '09 term at Cornell University (Engineering School).

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