PPT-MODIFICATION OF CELLULOSE BY ANIONIC POLYSACCHARIDES

UTTAM C PAUL A P Manian B Široká T Bechtold Research Institute of Textile Chemistry and Textile Physics University of Innsbruck Austria STEPITN Midyear meeting Dornbirn Austria 1314 March 2012. By: Hadi ShamsiJazeyi, George J. Hirasaki, Rafael Verduzco. Rice University. Chemical and Bio-molecular Engineering Department. 17. th. Annual Meeting of . Rice University Consortium for Process in Porous Media. Ch. 9 A. Types of complex carbohydrates. Starches. Cellulose. Gums . Pectins. others. Starches. Polymers of sugar. Most abundant complex carb in the diet. Most have 100 to several 1000 . glucose. units in chains. DR AMINA TARIQ. BIOCHEMISTRY. Polysaccharides. 2 types: . HOMO polysaccharides. (all 1 type of monomer) . glycogen, starch, cellulose, chitin . HETERO polysaccharides . (different types of monomers). E. nergy storage and food. Structure and support. Lubrication. Protection . Recognition and signaling. Component of nucleotides. starch. mucin. (glycoprotein). surface glycoproteins. cell wall peptidoglycan. E. nergy storage and food. Structure and support. Lubrication. Protection . Recognition and signaling. Component of nucleotides. starch. mucin. (glycoprotein). surface glycoproteins. cell wall peptidoglycan. The polysaccharide cellulose is composed of glucose units connected by . β. -(1 4)-. glycosidic. bonds.. Learning Goal . Describe the structural features of amylose, amylopectin, glycogen, and cellulose.. Sugar acetals are called . glycosides. .. - glycosides are stable compounds - they do not mutarotate. Figure 7.18  The structures of several important disaccharides. Note that the notation -HOH means that the configuration can be either . Dr. Allan Showalter. Department of Environmental & Plant Biology. Molecular and Cellular Biology Program. Ohio University. Athens, OH 45709. Introduction. There . are three major regions of the wall: . and. Polysaccharides. Functions of Carbohydrates in the Human Body. Carbohydrate oxidation - provides energy. Carbohydrate storage, in the form of glycogen, provides a short-term energy reserve. Carbohydrates supply carbon atoms for the synthesis of other biochemical substances (proteins, lipids, and nucleic acids). a linear polymer of approximately 2800 D-glucose units per molecule joined by . b. -1,4-glycosidic bonds. fully extended conformation with alternating 180° flips of glucose units. extensive intra- and intermolecular hydrogen bonding between chains. FACULTY OF DAIRY TECHNOLOGY. S.G.I.D.T., BVC CAMPUS,. P.O.- BVC, DIST.-PATNA-800014. FOOD CHEMISTRY. DTC-321 Credit hours-3(2+1) . Carbohydrates. . . . Carbohydrates. , one of nature’s . three. (Iodine Test). Polysaccharides . Polysaccharides . are large . carbohydrate that consist of many . monosaccharaides . linked by . glycoside . bonds. .. Poly saccharides have two main functions in organisms:. Biochemistry & Biotechnology. Lecture #. 6. Lehninger. . Principles of Biochemistry. Chapter 7. Carbohydrates. Carbohydrates. Carbohydrates. : These are . polyhydroxyaldehydes. or ketones. These are any . Assistant Professor. Department of Botany. Introduction . Polysaccharides consist of repeating units of . monosaccharides. or their derivatives, held together by . glycosidic. bonds. Polysaccharides are linear as well as branched polymers..