complex carbs
DESCRIPTION
Complex Carbs. Complex Carbs. Made of long chains of simple carbs. Starches and Dietary Fiber are the two types of Complex Carbs. Found in vegetables, beans, bread, and grains. What are Starches?. Polysaccharides Long chains of glucose (300-1,000 units) - PowerPoint PPT PresentationTRANSCRIPT
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Complex Carbs
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Complex Carbs
Made of long chains of simple carbs. Starches and Dietary Fiber are the two
types of Complex Carbs. Found in vegetables, beans, bread, and
grains
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What are Starches?
Polysaccharides Long chains of glucose
(300-1,000 units) Fiber determines how
rapidly they convert to glucose (more fiber, slower they digest)
Can digest rapidly (if refined), raising glucose levels fast
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Fiber (undigestible carb)
Polysaccharide Long chains of glucose
with unbreakable bonds
(undigestible) Made of cellulose,
(cell wall of plant cells)
Slows carb digestion when combined in fruits and vegetables
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Benefits of Dietary Fiber
Attracts water to digestive tract, softening stools, preventing constipation
Provides “bulk” to keep muscles of digestive tract in shape to “push”
Promotes regular bowel movements Reduces time for harmful chemicals to be
absorbed Hi-fiber diets associated with decreased
blood cholesterol and colon cancer rates.
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Types of Fiber/Sources
Soluble• Oatmeal• Oat bran• Barley• Most fruits and vegetables• Dried beans and peas• Prunes
Insoluble• Whole grain cereals and bread• Barley• Brown rice• Dried Beans and Seeds• Wheat bran• Nuts and seeds• Most vegetables• Fruits• Popcorn, Corn Bran
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How Much Fiber Do I Need?
You need 14g for every 1,000 cals
Example (for 2,000 cal diet, you need 28g of fiber)
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Tips to Get More Fiber
Choose whole fruit over fruit juice (canned, fresh or frozen) twice the fiber.
Try to eat fruit at breakfast. Keep fresh fruits visible in kitchen. Keep washed, cut up fresh veggies in
fridge for a quick snack. (carrots) Choose whole grains breads (check labels) Eat a whole grain cereal for breakfast. Eat more beans!
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What are NET CARBS?
Since fiber is not digestible, it doesn’t contribute to caloric intake.
To calculate NET CARBS- subtract the fiber content from Total Carbohydrates
Net Carbs =Total Carbs(g)– Fiber(g)
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What are “whole grains”?
Refers to grains that have “all parts” of the seed
“Refined” grains (white flour, white bread, etc.) remove the bran (fiber) and germ, removing nutrients
EndospermBran
Germ
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Nutrient Location In Grain
Bran:protects seed- Fiber
- B Vitamins- Trace Minerals
Germ:nourishment for the seed
- B Vitamins- Vitamin E
- Trace Minerals- Phytonutients
Endosperm:provides energy- Carbohydrate- Protein
- Some B Vitamins
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Refining Removes Nutrients
Folic acid and Iron are removed during initial processing and added back and called “Enriched Grains” (white breads and white rice)
Some enriched grains have extra nutrients added and are called “fortified grains”.
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Tips for More Whole Grains
Eat a whole grain breakfast cereal. Choose whole grain breads and
rolls. Use “brown rice” rather than “white
rice”. Try to eat at least half of your daily
grains from “whole grain” sources.