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KIN 2504 Chapter : Chapter 8

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azuremammoth471
15 Mar 2019
School
LSU
Department
Kinesiology: Professional Courses/Basic Activity Courses
Course
KIN 2504
Professor
All

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Document Summary

Nutrient: a chemical in food crucial to the body"s growth and functioning, we need energy and raw material provided by these to survive includes proteins, carbohydrates, fats, vitamins, minerals, and water. Good diet can: help sustain desirable body mass and weight, alleviate feelings of stress and depression, act as preventative medicine against disease and infection. Essential nutrients: what we need to obtain from food for normal functioning, proteins, fats, carbohydrates, vitamins, minerals, and water. The building block of bodily structure and function: contain carbon, hydrogen, oxygen, and nitrogen. Functional proteins perform crucial bodily tasks: building and repairing of bone, muscle, skin, and blood cells, make antibodies, enzymes, and hormones. Nutritionists recommend getting about 10% of daily calories from protein. Protein needs for most people are met in a typical diet; higher amounts are needed only if fighting off serious infection. Structural proteins: make up part of cells, tissues, and organs: enable cells to move, to divide, and transport materials.

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Related Questions

Background: In this assignment, you willinvestigate the chemical composition of the foods we eat as ourbodies break down food by the digestive process.

The USDA Nutrient Data Laboratory has posted a resourcethrough which you can investigate the chemical composition offoods. Go to the USDA Lab Link at USDA Nutrient DataLaboratory: http://ndb.nal.usda.gov/

Instructions

  1. Type in a keyword, then select a food group using the drop-downarrow, then click "submit."
  2. This pulls up a menu with lots of choices.
  3. Choose one food choice, then click "submit"
  4. Next choose a portion size, then click "submit"
  5. This will bring up the nutritional informationneeded to complete the assignment.

Example:

  • Keyword: Apple
  • Select Food Group: Fruits and FruitJuice
  • Apples, raw, with skin.
  • One medium

Assignmentdetails:

A. Nutrition: Analyze the nutritionalcomponents of the food you select; and in your own words, answerthe following questions using the USDA Nutrient Data Laboratory Website as listed in the unit Web resources:

  1. What was the food and portion size you chose?
  2. Describe its composition in terms of carbohydrates, lipids, andproteins.
  3. How many calories are in your food item? (Found in the Databaseas Energy – kcal)
  4. List some of the most common vitamins and minerals in this fooditem.
  5. Are there other important nutritional components of this fooditem? If so, list these. If not, say so.

B. Water:

  1. How much of your food item is water?
  2. Provide one reason why water is important for life. Toadequately answer this question, it will be necessary to explain areason for water’s importance based upon its chemical and /orphysical properties.

C. Biological Molecule:

  1. State the most abundant category of biological molecule in yourfood: carbohydrates, lipids, or proteins.
  2. Describe the structure of this type of molecule, and itsprimary function(s). This section will not be a one sentence answer.In order to adequately “describe†an entire category ofbiological molecules, you will need to briefly review their basicmolecular structures and functions.

D. Recommendation:

After identifying the nutritional components, discuss WHY youwould or would not recommend this food item as part of a healthy,nutritious diet. Be sure to use references and guidelines such asthe Food Pyramid and Recommended Daily Allowances to support yourrecommendations.