Polysaccharides Flashcards
What is the composition of starch?
Glucose
What are the bonds in starch?
- Non-branching alpha 1-4 glycosidic bonds (amylose)
- Branching alpha 1-6 glycosidic bonds (amylopectin)
What are the food sources in starch?
- Cereals
- Potatoes
- Vegetables
What is the composition of glycogen?
Glucose
What are the bonds in glycogen?
- Non-branching alpha 1-4 glycosidic bonds
- Branching alpha 1-6 glycosidic bonds
What tissues make and store glycogen?
- Liver
- Muscles
What is the composition of cellulose?
Glucose
What are the bonds in cellulose?
Non-branching beta 1-4 glycosidic bonds
What is a food source of cellulose?
Celery
What type of fiber is cellulose
Insoluble
Where in plants in cellulose found?
Plant cell wall
What is the function of the fiber in cellulose?
- Stool bulk
- Decreases stool transit time
What type of fiber is beta glucans?
Soluble
What is a food source of beta glucans?
Oats
What is the function of beta glucans?
Gives full feeling
What disease is beta glucans protective against?
CVD
What is the composition of inulin?
Fructose
What are the food sources of inulin?
- Tubers
- Artichoke roots
- Dahlias
- Dandelions
- Onions
- Bananas
What is the function of fructooligosaccharides (FOS)?
Prebiotic growth (nutrition for good intestinal bacteria)
What is the definition of a probiotic?
- Good bacteria
- Lactobacillus
- Bifido bacteria
What does FOS act like in the intestines?
Natural approach to antibiotic therapy
