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Transcript of Carbohydrates
Carbs are one of the
main dietary components
The clasification depends
on the chemical structure
of the food, and how quickly
the sugar is digested and absorbed.
reacts with glucose to form sucrose
found in carbonated beverages, honey, and fruit juices
provide energy for moving muscles
provide fuel for central nervous system
enable fat metabolism
prevent protein from being used as energy
Food Groups Containing Carbohydrates
what is a
An organic compound containg carbon, nitrogen, hydrogen, and oxygen in a ratio of one oxygen and two hydrogen atoms for each carbon atom.
Total Carbohydrates: 26.7 grams
Dietary Fiber: 1.4 grams
Sugars: 3.4 grams
Cellulose is made from glucose. It cannot be broken down for food in humans. Cellulose is needed for fiber.
have one (single) or two (double) sugars
Examples of single sugars: fructose and galactose
Examples of double sugars: lactose, maltose, and sucrose
Fun Fact: Honey is a double sugar, but isn't like table sugar and should not be given to children under the age of one.
combines to form starch and cellulose (dissacharide: maltose)
found in oranges, tangerines, and fruit toaster pastries
reacts with glucose to form lactose
found in celery, honey, and fruit baby food
forms part of nucleotide of RNA
found in chicken and dairy products
also a nucleic acid
forms part of nucleotide of DNA
also a nucleic acid
broken down in stomach and small intestine by amylase into smaller units of sugar
absorbed by small intestine and enter bloodstream, travel to liver
all sugars are converted to glucose by liver
transported through bloodstream to tissues and organs to be used as energy
Getting too many carbs: vs. Not getting enough carbs:
can lead to increase in total calories, causing obesity
can cause lack of calories (malnutrition) or excessive intake of fats to make up the calories
Recommendations: Most people should get between 40% and 60% of total calories from carbs.
Papa John's Original Crust
Different Molecules of Carbohydrates
Simple and Complex