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The glucomannans of sitka and black spruces Walker, Roger H.

Abstract

A study was made of two glucomannans, one isolated by alkaline borate extraction of Sitka spruce wood and the second from black spruce. These were methylated by the Hakomori procedure employing sodium hydride in dimethyl sulfoxide. Considerable experimentation was done to determine the best conditions for methylation and to demonstrate the utility and practicability of analysis by these methods. Some inferences regarding the structure of the glucomannans are drawn from the methylation data.

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