Nutritional Sciences: From Fundamentals to Food, Enhanced Edition
3rd Edition
ISBN: 9781337486415
Author: McGuire
Publisher: Cengage
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The thermic effect of food is a term used to describe the energy cost of processing the food we eat, digesting it, and either turning it into precursors for needed biosynthesis, usable energy in the form of ATP, or storing the excess intake as fat. The thermic effect is usually approximated at 10% of the total calories consumed, but the thermic effect of fat is only 2-3% of total fat calories while the thermic effect of protein is 30% or more of calories consumed as protein. In your opinion, why dietary protein has a much higher thermic effect than dietary fat?
Describe the difference between enrichment and fortification.
Know how to calculate total calories and % calories from each nutrient if given the macronutrient breakdown of an individual’s diet.
Define dietary CHO and fiber recommendations (DRIs, AMDR, Dietary Guidelines).
Describe patterns of dietary CHO intake in the United States and globally.
Describe why added sugar is recommended to be “limited”.
Describe typical recommendations and rationale behind a high-CHO vs a low-CHO diet.
Define GI and GL.
Describe the purpose of artificial sweeteners and why there is concern regarding consumption in high amounts.
CALCULATING MACRONUTRIENT REQUIREMENTS
1. Calculate the macronutrient requirements of a 26-year-old male gym instructor whose TCR is 2,800 kcal per day using the following distribution:
Carbohydrate: 50% Fat: 20% Protein: 30%
2. Calculate the macronutrient requirements of a female with a height of 5'6" and moderate physical activity using the following distribution:
Carbohydrate: 60% Fats: 20% Protein: 20%
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- 1. a. What macronutrient provides the most calories in this product? b. Is this product considered any type of chocolate? Why or why not?arrow_forwardMicronutrients play a critical role in assisting metabolic enzyme functions in our body? A. True B. Falsearrow_forwardOn a food product, such as Fita Crackers: (base on the pictures attached below) Questions: 1. Are there any other nutrients (aside from carbohydrates, fat, and proteins) found on the product? If yes, which among these nutrients has the highest percent daily value? 2. Is the information found on the nutrient information congruent with the stated ingredients? Why or Why not? 3. Decide on whether this food sample can be eaten often or sparingly and justifyarrow_forward
- Conversion of milk to curd improves its nutritional value by increasing the amount of what?arrow_forwardActivity: Research Macronutrients and Bioenergetics, comparing CHO energy vs. Fats/Proteins. Outline & discuss why CHO is our primary fuel source and should compose the majority of total calorie intake (≥60-65%), specifically for those participating in regular physical activity, excercise, and/or sport. Dispell the myths about Protein and Fat.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
- Answer completely and IN YOUR OWN WORDS: DRIs: What is the relationship between the DRIsand an individual's nutrient requirements? In other words, will everyone need to consume the RDA in order to meet their requirements?arrow_forwardEnergy Drinks and Soda 1) Pick an energy drink or soda. Examples: red bull, 5 hour energy, monster, rock star, Coke, Pepsi, etc.. 2) Review the ingredients- list which are familiar from class (ex: thiamin, a B vitamin), and which ones we have not covered as nutrients (ex: guarana, taurine). All ingredients should be categorized. And then answer these questions Why are nutrients we have covered, such as B-vitamins, included in these beverages? Do you think ingredients in these drinks are regulated? How much caffeine is in the drink compared to 1 cup (8oz) of coffee? Does your drink have weight loss claims? What claims are on the package? Are you comfortable consuming energy drinks and soda? Do unfamiliar ingredients concern you?arrow_forwardOn a food product, such as Fita Crackers: (base on the pictures attached below) Questions: 1. Are there any other nutrients (aside from carbohydrates, fat, and proteins) found on the product? If yes, which among these nutrients has the highest percent daily value? Explain.arrow_forward
- Look at the nutrition labels for a Blueberry Nutrigrain Bar and a Blueberry RX Bar, also paying close attention to the ingredient lists provided in each. Answer the following questions: What is the difference between total sugars and added sugars? How do the total sugars and added sugars differ in these two bars? What are the biggest differences in the ingredient lists in these bars? Choose one ingredient that you have not heard of from the list from either bar. Explain to the class what the ingredient is and what its purpose is.arrow_forwarddefine and describe the macronutrients for lipids in terms of:• The composition of the macronutrients• The biological functions• Dietary sources• Recommended Daily Intake (RDI)• Factors contributing to states of excess• Factors contributing to states of insufficiency and deficiency• Signs and symptomsarrow_forwardA. What symptoms would you expect a lactose intolerant person to experience after ingesting a milkshake. B. Dairy foods are a good source of calcium, protein, vitamin A vitamin B12 and riboflavin. Lactose intolerant adults are usually able to consume some dairy products. Nameonedairy products and explain why/howa lactose intolerant person may safely consume thisproduct.arrow_forward
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