30.2 Food and Nutrition fill in.ppt

Source of energy for the body sugars found in fruits

This preview shows page 7 - 12 out of 25 pages.

source of energy for the body. Sugars found in fruits, honey, and sugar cane are simple - monosaccharides and disaccharides Starches found in grains, potatoes, and vegetables are complex – polysaccharides. Starches are broken down by the digestive system into simple sugars. Excess blood sugar is converted into glycose, which is stored in the liver and in skeletal muscles. Excess sugar may also be converted to and stored as body fat.
Image of page 7

Subscribe to view the full document.

Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Sugars Natural occurring sugars – fructose, galactose, glucose Added sugars- what you want to avoid – no more than 24 g/day examples: Sugar – table Brown sugar Corn sweetener Corn syrup Fruit juice concentrates High-fructose corn syrup Honey Invert sugar
Image of page 8
Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Carbohydrates Whole-grain breads, bran, and many fruits and vegetables contain the complex carbohydrate cellulose - fiber . Although the human digestive system cannot break down cellulose, you need fiber in your diet. Fiber helps muscles move food and waste through your digestive system.
Image of page 9

Subscribe to view the full document.

Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Fats Fats (lipids) help the body: - Absorb fat - soluable vitamins - Part of cell membrane - Part of nerve cells - Stored energy - Insulate body and organs The raw materials used to build fats glycerol and fatty acid. Some fatty acids called essential fatty acids cannot be made by the body and must be consumed in food.
Image of page 10
Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Fats Based on the structure of their fatty acid chains, fats are classified as saturated(bad for you) or unsaturated When there are only single bonds between the carbon atoms in the fatty acids, each carbon atom has the max number of hydrogen atoms and the fat is saturated. Most saturated fats, such as butter, are solid at room temperature - associated with many health problems.
Image of page 11

Subscribe to view the full document.

Lesson Overview Lesson Overview Food and Nutrition Food and Nutrition Fats Unsaturated fats have double bonds between carbon atoms, which reduces the number of hydrogen atoms in their fatty acids.
Image of page 12
You've reached the end of this preview.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern