carbohydrates. what are carbs? body’s main source of energy carbohydrates come in 3 forms should...
TRANSCRIPT
Carbohydrates
What are Carbs?
Body’s main source of energyCarbohydrates come in 3 forms
Should form the bulk of your diet
Large Part of Diet
Should contribute to 45-65% of diet calories per 1 gram of carbs
Best sources include whole grain productsDon’t eat too many!
Simple Carbohydrate
2 different types of carbs Simple Carbs
Glucose Fructose Galactose Sucrose Maltose Lactose
Referred to as sugar
Complex Carbohydrate
– Many glucose molecules bonded together
– Only found in plant foods Take longer to digest = better!
Supplies a steady, continuous supply of energy.
4 Functions of Carbohydrates
4 calories per gram If not enough carbs are being eaten, body draws on
proteins for energy
Body is less efficient when using protein for energy If protein is used for energy, they are unable to
maintain their correct roles in the human body
4 Functions of Carbohydrates
Diet low in carbs, cannot
completely break down fats in the body
Fiber does this
System aimed at classifying carbs based on how quickly and how high they boost blood sugar
High glycemic index = rapid spike in blood sugar
Low glycemic index = slower change in blood sugar
GI Decided By….
ProcessingType of starchFiber contentRipenessFat and acid contentPhysical form
Glycemic Index
Diets with many high glycemic index foods are linked to the following: Colorectal cancer
Diets with low glycemic index foods are linked to weight loss and shown to improve type 2 diabetes
Glycemic Index
Foods 70 and UP
=HIGH
Foods 55 and BELOW
=LOW
Too Many Carbs??
Overeating carbs may lead too…. Overweight / obesity