UNIT 12- Sugar, Starches and Fiber Flashcards
What is carbohydrates
Chemical substances in foods that consists of a simple sugar molecules or multiple of them in various form
What is major source of energy?
Carbohydrate
What are three type of Carbohydrates?
- Simple sugar
- Starch (Complex
carbohydrate) - Dietary Fiber(Complex
carbohydrate)
How many calories does Simple sugar and complex carbohydrate supply?
4 calories/gram
How much does Dietary fiber supply?
Dietary fiber supplies indirectly 2 calories/gram
Which simple sugar is a key component of DNA?
Ribose
Define Simple sugar?
Simple sugars are carbohydrate that consists of a glucose, fructose or galactose molecules or a combination of glucose and either fructose or galactose
What are two type of Simple sugars?
- Monosaccharides
- Disaccharides
Define Monosaccharide
Simple sugar consisting of one sugar molecules.
Define Disaccharides
Simple sugars consisting of two molecules of monosaccharides linked together
Name some monosaccharides
Glucose, Fructose, galactose
Name some Disaccharides
Sucrose, Maltose, Lactose
What are the two simple sugars body uses directly to form energy?
Glucose and Fructose
What is Glycogen?
It is a complex carbohydrate, made up of long chains of glucose.
Where is glycogen stored in the body?
Liver and muscles
What are the problem associated with high sugar intake?
- Liver blood accumulation
- Greater body weight
- risk of type 2 diabetes,
hypertension and heart
disease - Tooth decay
Define Hypoglycemia
Hypoglycemia means abnormally low level of glucose in the blood.
Symptoms of Hypoglycemia
Sweating, shakiness, dizziness, lack of coordination, weakness
Define Hyperglycemia
chronically high blood glucose leve.
Symptoms of Hyperglycemia
Dry mouth, extreme thirst, high fever, sleepiness
What is Alcohol sugar?
Alcohol sugar are simple sugar containing an alcohol groiup in their molecular structure
Most common alcohol sugars are..
Xylitol, Mannitol, Sorbitol
Xylitol
- sweetest alcohol sugar
- found naturally in fruits
- Provide two calories per
gram
Artificial sweeteners
- is a sugar substitute
- provide no calories
- do not promote tooth
decay - stimulate your appetite
- lead to cravings