4. Which food tested in table 2 has positive result for ethanol emulsion test? 5. What kind of foods rich in fats should be taken in moderation? Why
4. Which food tested in table 2 has positive result for ethanol emulsion test? 5. What kind of foods rich in fats should be taken in moderation? Why
Chapter10: Sample Preparation And Handling
Section: Chapter Questions
Problem 3.1E
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Question
4. Which food tested in table 2 has positive result for ethanol emulsion test?
5. What kind of foods rich in fats should be taken in moderation? Why
Transcribed Image Text:Procedure:
1. Using the table below answer the guide questions that follows.
Table 1 Results for Carbohydrates Tests
Test for Simple/ Reducing
Sugars/ Benedict's Test
Turns brown orange with
precipitate
Turns orange with
precipitate
Turns orange with
precipitate
Turns brown orange with
precipitate
Blue
Blue
Food Sample
lodine Test
Apple juice
Cooked potatoes
Cooked instant
noodles
Soft drink
Table Sugar
Soya bean milk
Note: Positive Test for Benedict's solution changes from Blue (Negative) to Green (very small amount
of reducing sugar), Yellow (higher amount of reducing sugar) Orange or Dark Red (highest amount of
reducing sugar) the change in color is due to the formation of the red precipitate, CU:O.
Table 2 Results of the Ethanol Emulsion Test for Lipids
Food Sample
Layer of Cloudy White
Suspension
Colorless
Oil
Peanut Butter
Egg
Fried Chicken
Butter
Milk
Burger
Mashed Potato
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