sociate the term organic with the foods we eat, including carbohydrate foods (Fi

Question

sociate the term organic with the foods we eat, including carbohydrate foods (Fig 3.6 ) and lipid foods (Fig. 3.8). Though we may recognize foods as being organic, oiftein often we are at specific types of compounds are found in what we eat. In the following Experimenn e, the same tests you used previously to determine the composition of everyday foods and Bread Meat Cheese Potato Com Eggs Rice Butter Pasta Figure 3.8 O Johe Thoeming McGraw-Hill Edacation Lipid foods. Figure 3.6 Carbohydrate foods. O John Thoeminp/McGeaw-Hill Edacation Figure 3.7 Protein foods. © John Theming McCran-llll Education Experimental Procedure: Testing Foods and Unknowns Your instructor will provide you with several everyday foods including unknowns, and your task is to 1. State how you will test substances for protein (page 29), carbohydrates (pages 31 and 33),and fat -( page 35 the necessary tests. 2. Have your instructor okay your procedures, and then conduct 3. Record your results as positive (+) or negative ) in Table 3.9

Explanation / Answer

1.

Test for proteins

Test for carbohydrates:

Test for lipids:

2.Proceed with above tests with the samples given.

3.Record of results:

All carbohydrates will show + for benedicts reagent and + for iodine test.

All proteins will show + for biuret reagent

All lipids will show + emulsion test and + reaction with Sudan reagent.

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