UIUC CPSC 382 - CPSC382 - Topic 8 (13 pages)

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CPSC382 - Topic 8



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CPSC382 - Topic 8

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Pages:
13
School:
University of Illinois at Urbana, Champaign
Course:
Cpsc 382 - Organic Chem of Biol Processes
Organic Chem of Biol Processes Documents

Unformatted text preview:

CPSC 382 Organic Chem Ag Biol Proc Topic 8 Sugars and Carbohydrates 1 Definition of carbohydrate 2 Classification of carbohydrates as monosacharides oligosacharides and polysaccharides 3 Monosaccharides a trioses glyceraldehyde and dihydroxyacetone b chirality in monosaccharides 1 Fischer s D L system to denote chiral carbon 2 application of Fisher s system to larger monosaccharides 3 multiple chiral carbons and epimers c sugar ring structures through hemiacetal formation 1 anomeric carbons and anomers 2 mutarotation d pyranose and furanose sugar ring structures 1 glucose in pyranose 2 fructose and ribose in furanose 3 conformation of sugar pyranose rings 4 Dissacharides a b c d e fl formation of glycosidic bonds glycoside bonds involving the anomeric carbon maltose cellobiose lactose sucrose 5 Polysaccharides a starch 1 amylose and amylopectin structure 2 structure of starch granule b cellulose c cellulose vs starch secondary macromolecular structure 6 Carbohydrate structure of the plant cell wall a b c d main carbohydrate components of the cell wall structures of cellulose hemicellulose and pectins organization of cellulose into microfibrils model for the structure of the plant cell wall MONOSACCHARIDES Triose Aldoses and ketoses Chirality in glyceraldehyde Fischer s system to describe chirality in monosaccharides Multiple chiral carbons in hexoses showing epimers Ring formation by generation of a hemiacetal Glucose anomers Fructose anomers Conformation of pyranose in hexoses DISACCHARIDES Maltose Cellobiose Lactose Sucrose POLYSACCHARIDES Starch Formation of a starch granule Cellulose Comparision of starch and cellulose Carbohydrate structure of the plant cell wall Structure of plant cell wall component carbohydrates Organization of cellulose into microfibrils Model for plant cell wall structure



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