N231a Carbohydrates_S09

N231a Carbohydrates_S09 - 12CO, p. 1 Derived primarily from...

Info iconThis preview shows pages 1–15. Sign up to view the full content.

View Full Document Right Arrow Icon
12CO, p. 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CARBOHYDRATE Derived primarily from plant sources Produced by photosynthesis: energy from the sun stored chemically as carbohydrate in plants Composed of organic compounds (CHO): _______ _______ _______
Background image of page 2
Carbohydrates Functions primary energy source ____ calories/gram “protein sparing” effect source of dietary fiber sweetening agent
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Acceptable Macronutrient Distribution Range (AMDR) Carbohydrate 45-65% total calories 225-325 grams for 2000 calorie diet Protein 10-35% total calories 50-175 grams for 2000 calorie diet Fat 20-35% total calories 44-78 grams for 2000 calorie diet
Background image of page 4
2005 Food Guide Pyramid
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Simple Sugar Facts Simple sugars are small molecules Two types: monosaccharides and disaccharides 3 Monosaccharides: Glucose (“blood sugar” or “dextrose”) Fructose (“fruit sugar”) ________ 3 Disaccharides consist of two linked molecules Glucose + fructose = ________ ( “table sugar”) Glucose + glucose = ________ (“malt sugar”) Glucose + galactose = ________ (“milk sugar”)
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glucose Utilization Immediate energy source to all cells Converted into glycogen (glycogenesis) chains of linked glucose units stored in: _______ (90 grams CHO or ~360 calories) _______ (150 grams CHO or ~600 calories) Converted into fat adipose tissue (unlimited storage capacity)
Background image of page 8
Fig. 12-3, p. 4
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Controlling blood glucose levels… Insulin functions to ______ blood glucose levels required for glucose uptake into cells enhances conversion of excess glucose to glycogen (glycogenesis) enhances storage of excess glucose to fat in adipose tissue
Background image of page 10
Controlling blood glucose levels… Function to raise blood glucose levels Glucagon liver glycogen to glucose Somatostatin inhibits insulin Epinephrine rapid conversion glycogen to glucose
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glycemic Index Glycemic Index : a measure of the speed with which the carbohydrates in food are broken down to glucose (sugar) and enter the blood stream, causing a rise in blood sugar Glycemic Load : a measure of speed multiplied by quantity, i.e., GI x number of grams of available carbohydrate in a typical or standard serving
Background image of page 12
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ten Tips to Lower the Glycemic Index or Load of Your Diet 1. 2. Opt for whole grain & stone-ground breads & grains. 3. Include pumpernickel, sourdough, & other “grainy”, dense breads. 4. Limit use of foods containing significant amounts of sugar (sucrose, high fructose corn syrup, fructose, dextrose, honey, etc). 5. Eat more beans & legumes as a protein source or as a side dish. 6. Emphasize high fiber, low energy density foods— 7.
Background image of page 14
Image of page 15
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/27/2009 for the course NURS NURS 231A taught by Professor Jamiepope during the Spring '09 term at Vanderbilt.

Page1 / 49

N231a Carbohydrates_S09 - 12CO, p. 1 Derived primarily from...

This preview shows document pages 1 - 15. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online