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dc.contributor.authorDrummond, Donald W.en
dc.date.accessioned2019-02-15T14:19:58Z
dc.date.available2019-02-15T14:19:58Z
dc.date.issued1960
dc.identifier.urihttp://hdl.handle.net/1842/33818
dc.description.abstracten
dc.description.abstractGENERAL INTRODUCTION Polysaccharides 1 Uronic acids 3 • • PART ONE THE GUM EXUDATE OP ALBIZZIA ZYGIA Introduction Plant Gums 7 Structural Investigation of Plant Gums 8 Molecular Structure of Plant Gums 15 Relationship of Chemical Structure to Botanical Origin 17 • Experimental General Methods 23 Complete Hydrolysis and Identification of Monosaccharides 28 Extraction of Polysaccharides 28 Attempted Fractionation 29 Properties of Purified Polysaccharides 30 Relative Proportions of Neutral Sugars 31 Relative Proportions of Uronie Acids 35 Periodate Oxidation Studies 36 Characterisation of Neutral .Sugars 40 Characterisation of Uronic Acids 42 Acetolysis of the Polysaccharide 46 Autohydrolysis 49 Partial Acid Hydrolysis 50 Separation of Neutral Fraction 51 Separation of Acidic Fraction 56 Examination of Acidic Fractions 58 • Discussion 62 • • PART TWO CONSTITUTION OF ALGINIC ACID FROM LAMINARIA PIGITATA Introduction 88 Chemical Constitution of Alginic Acid 91 Properties of Alginic Acid 95 Structural Studies 97 Recent Structural Developments 102 • Experimental General Methods 106 Extraction of Alginic Acid 107 Properties of Alginic Acid 108 Chromatographic Identification of Mannose and Gulose 108 Sulphuric Acid Hydrolysis 110 Pormic Acid Hydrolysis 112 Action of Hot Pormic Acid on Mannurone 116 Fractionation of Alginic Acid 117 Characterisation of l(+)-Tartaric acid 119 Oxidation of Alginic Acid and Isolation of L(+)-Tartaric acid 120 Incomplete Oxidation of Alginic Acid 123 Oxidation with dilute Periodate Solutions 126 Heduction of Oxo-alginic Acids 127 • Discussion 131 • • Bibliography 147 • • Acknowledgements 156en
dc.publisherThe University of Edinburghen
dc.relation.ispartofAnnexe Thesis Digitisation Project 2019 Block 22en
dc.relation.isreferencedbyen
dc.titleStructural studies on polyuronidesen
dc.typeThesis or Dissertationen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhD Doctor of Philosophyen


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