Nutritional Sciences: From Fundamentals to Food, Enhanced Edition
3rd Edition
ISBN: 9781337486415
Author: McGuire
Publisher: Cengage
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For each solution, calculate the rate of weight change over this 30-minute period.
Write your answer in standard notation and use 3 digits past the decimal point
0.0 M sucrose = ____________________ g/min
0.4 M sucrose = _____________________ g/min
0.6 M sucrose = _____________________ g/min
0.8 M sucrose = _____________________ g/min
1.0 M sucrose = _____________________ g/min
Time (min)
0M sucrose
0.4M sucrose
0.6M sucrose
0.8 M sucrose
1.0M sucrose
0
4.36 g
4.59 g
4.7g
4.5 g
5.0 g
15
4.5 g
4.3 g
4.4 g
4.1 g
4.6 g
30
4.6 g
4.2 g
4.0 g
3.7 g
4.0 g
The "Nutrition Facts" on a label of a 64 fluid ounce container of apple juice states that a serving size is 8 fluid
ounces contains 128 Calories and 256 milligrams of potassium.
Nutrition Facts
Serving Size 8 fl. oz. (240mL)
Servings Per Container: 8
Amount Per Serving
Calories 128
% Daily Value*
0 %
Total Fat Og
Sodium 24mg
1 %
Potassium 256mg
7 %
Total Carbohydrate 29g
10 %
Sugars 26g
Protein Og
a) How many calories would 1 fluid ounce of apple juice contain?
b) How many milligrams of potassium would 1 fluid ounce of apple juice contain?
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A slice of American cheese contains 7.34 g fat, 1.05 g carbohydrates, and 4.12 g protein. Calculate the number of nutritional calories (Cal) per serving in slice of cheese.
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- Below is a table of the nutritional information for Jim's takeaway meal. Use this data to complete the table by calculating the energy in kilojoules for the foods in the meal. PLEASE DON'T USE ANY COMMAS IN YOUR ANSWERS. Important tip: the total fat includes saturated fat and carbohydrates include sugars so for the energy from fat you only need to calculate the energy from total fat and NOT from total fat + saturated fat. Table: Nutritional information for Jim's takeaway meal Chicken Hot fudge BBQ dipping Coke "Big Cheese" Burger (nutrients per Cheese Fries McNuggets (per 100g) (per x10 nuggets) sundae (per large serving sauce (per large serving) burger) (per 100g) 500mls) Energy (kJ) Protein (g) 65.2 4.8 23.3 1.0 0.0 9.0 Fat, total (g) 68.5 16.0 24.9 1.0 0.0 14.3 Saturated fat 33.4 1.3 3.9 1.0 0.0 10.1 (g) Carbohydrate 45.1 33.8 22.4 34.6 53.0 93.1 (g) Sugars (g) 15.4 0.5 0.6 30.9 53.0 72.6 Sodium (mg) 1540 292 735 564 50 214arrow_forwardvaluate the nutritional label of a food item, either one in the supermarket or one that you have available. Make sure your ingredient list on that label has at least five (5) ingredients. Please discuss the answers to the following questions: List the individual ingredients by category (carbohydrate, protein, fat, vitamins, minerals, and additives). Using the information from your textbook, explain the function and relative safety of the identified ingredients. Find a similar organic food item and contrast the ingredients including the food additives to the original product. What did you find in your comparison? What is the relative safety of the organic variation?arrow_forwarddetermine the mol (!) amount of glucose present in the glycogen sample. Show all details of the working out of your calculation. Indicate all units and provide the answer with one decimal precision tube 1 : 26.73 µg/ml tube 2: 23.09 µg/ml tube 3 60.36 µg/ml tube 4 47.64 µg/mlarrow_forward
- Calculate the TEF (in kcal/day) of a 2,678 kilocalorie daily diet. (show work)arrow_forwardIn the case of vitamin C (in a juice), it is mentioned in the label that it contains 12 mg vitamin C/100 ml juice. Determine its Guideline Daily Amount (GDA) if daily recommended amount is 33 mg. How many pack (each pack contain 80 ml juice) of the juice he/she need to consume to fulfil GDA for vitamin C?arrow_forwardWhat is the total carbohydrate content in this beverage (20 fl oz is equal to 591.5 mL), give your answer in mg/mL? What is the concentration in µg/mL? What dilutions would you need to perform so you could use the standard curve you generated to measure the glucose concentration in this beverage?arrow_forward
- The text reports that a normal blood glucose level is from 60 to 110 milligrams per deciliter. Determine the minimum and maximum masses of glucose in the blood of a person with a blood volume of five liters. Show all calculations.arrow_forwardIf you calculated from your titration that there was 8.6 mg of vitamin C in your fruit juice sample, calculate the concentration of vitamin C in mg/mL. (Concentration = mass/volume) Refer back to the first question on this report (or the procedure) for the volume of your fruit juice sample. Include the unit and two decimal places in your answer. The volume of fruit juice sample is 20.00 mL from the procedure .arrow_forwardBased on the information in Chapter 3, evaluate the nutritional label of a food item, either one in the supermarket or one that you have available. Make sure your ingredient list on that label has at least five (5) ingredients. Please discuss the answers to the following questions: List the individual ingredients by category (carbohydrate, protein, fat, vitamins, minerals, and additives). Using the information from your textbook, explain the function and relative safety of the identified ingredients. Find a similar organic food item and contrast the ingredients including the food additives to the original product. What did you find in your comparison? What is the relative safety of the organic variation?arrow_forward
- The vitamin content per ounce for three foods is given in the following table.a. Use matrices to show that no combination of these foods can provide exactly 14 mg of thiamin, 32 mg of riboflavin, and 9 mg of niacin.b. Use matrices to describe in practical terms what happens if the riboflavin requirement is increased by 5 mg and the other requirements stay the same.arrow_forwardA cheese-flavored snack cracker contains 10.0 g fat, 26.5 g carbohydrates, and 4.60 g protein per serving. Calculate the number of nutritional calories (Cal) per serving in this snack.arrow_forwardHow would you prepare 500 ml of 150 mM glucose? [mwt glucose = 180 g/mole] Be sure to include all units in your calculationsarrow_forward
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