CVI.—The constituents of the cell-wall of the flax fibre

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Abstract
Fibers freed from extraneous matter contain less than 1% pectin and 15-16% of substances soluble in boiling dilute alkali. The alkali-soluble material is associated directly with the cell wall, forming what the author calls a cellulose complex. This complex contains 82-83% [alpha]-cellulose. The alkali-soluble part showed strong reducing properties on hydrolysis. When 1% H2SO4 at 130-140[degree] was used for hydrolysis, a syrup (about 12%) was obtained in which were recognized glucose, galatose, xylose and fucose. It was thought that the sugar groups were attached to the cellulose by gluco-sidic linkages. Hemicelluloses and resinous substances amounting to about 5% were obtained from water extract. Experimental methods are described in detail.

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