CONTENTS ix 



PAGE 



Gravimetric methods 101 



Estimation of pentoses ..,;.... 101 



Estimation of glucose . 103 



Estimation of glucose as osazone 105 



Polarimetric methods 108 



Polysacchandes in 



Classification 112 



Starches ; . 112 



Dextrosanes . . . 112 



Starch or amylum . . . ...... . . . 112 



Preparation 113 



Properties 114 



Action of acids on starch 118 



Action of malt or diastase on starch . ' . . .119 

 Action of bacteria on starch . . . . . .120 



Reactions 120 



Estimation 121 



Dextrins 123 



General properties . 125 



Amylodextrin 126 



Erythrodextrin 126 



Commercial dextrin ........ 126 



Glycogen 127 



Preparation 128 



Properties . . . 130 



Identification 130 



Estimation . . . . . . . . . .130 



Paradextrane and paraisodextrane 131 



Levulosanes 131 



Inulin 131 



Preparation . 134 



Characters . . 134 



Identification - . . . . 135 



Inulin-like substances . , 136 



Mannosanes . . . . 137 



Mannane N . ^ . . . 137 



Paramannane . 138 



Carubin 138 



Galactosanes . . .138 



Galactane . .138 



Paragalactane . . . . .. . ' . . . 139 



Amyloid 139 



Gums . . . . 139 



Microchemical reactions . . . . ' -. . . . 141 



Gum arabic 141 



Reactions . . . . . . . v *4 2 



Gum tragacanth . . . . . . . . j - . 142 



Wood gum and cerasin or cherry gum . ... , . 143 



Wound gum - . . r . . . . 143 



Mucilage . . . ... ... . . . 143 



Function . . . . J 44 



Pectic bodies . . . ...... . \ 145 



Microchemical reactions . . . .* . . . 147 



Cellulose 148 



