Carbohydrates Flashcards
Homopolysaccharides
A single monosaccharide component
Heteropolysaccharide
At least two different monosaccharides components
STARCH BIOLOGICAL FUNCTIONS
Storage of energy in plants
First supply of glucose in human diet
STARCH CHEMICAL COMPOSITION
a grain with two components
1. Amylose 2. Amylopectin
AMYLOSE
CHEMICAL COMPOSITION
- Glucose
MONOMERIC UNIT
- Maltose
CONFORMATION
- Helicoidal
AMYLOPECTIN
A branched molecule
CHEMICAL COMPOSITION
- Glucose
MONOMERIC UNIT
- Maltose and isomaltose
GLYCOGEN
Similar to amylopectin but more branched. One branch every 8 to 12 glucose unit
CELLULOSE
Most abundant carbohydrate
CHEMICAL COMPOSITION
- Glucose
MONOMERIC UNIT
- Cellobiose
CONFORMATION
- Long fibers which are held together through hydrogen bonds
FUNCTION
- Laxative