Conclusions
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1.
The carbohydrate component of the low-molecular fraction of the lignocarbohydrate complex is galactoglucomannane, and it has all of the structural traits that are characteristic for this polysaccharide.
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2.
The aromatic structures, present in small amount in the neutral fraction of the investigated complex, are possibly the degradation product of the higher molecular-weight lignin and (or) of the “bridges” that crosslink the polysaccharide chains.
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3.
A predominant amount of the lignin component in fraction III postulates that the investigated complex contains a small amount of high-molecular lignin formations.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1860–1863, August, 1974.
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Éfendieva, N.F., Shorygina, N.N. Structure of low-molecular fraction of lignocarbohydrate complex, isolated from spruce wood by the mechanical grinding method. Russ Chem Bull 23, 1780–1783 (1974). https://doi.org/10.1007/BF00923211
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DOI: https://doi.org/10.1007/BF00923211