M. A. Parfent'eva

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1. The protopectins of the petioles and leaves of Sosnovskii's cowparsnip and heartleaf colewort have been studied. It has been shown that the protopectins of wild-growing herbs are similar to the pectins of fruit and vegetables. 2. The heterogeneity of the pectins isolated has been shown by the fractionation method. Two main fractions were obtained —(More)
The results are given of an investigation of the polysaccharide complex of the stems of winter rape. The complex was isolated by the alkaline extraction of the stems and contained 79.80% of polysaccharide, 2.4% of ash substances, and 8.75% of “crude” protein. The carbohydrate fraction consisted of a glucuronoxylan. Under the conditions of gel filtration and(More)
The results are given of an investigation of a polysaccharide complex of the stems of the cup rosinweed isolated by alkaline extraction of the stems. The complex contains 71% of polysaccharide, 2% of ash substances, and 20% of “crude” protein. The carbohydrate moiety consists of a glucuronoxylan. The complex is not separated into its carbohydrate and(More)
The results are given of investigations of the polysaccharide complex of the leaves ofPolygonum weyrichii. The complex was isolated by alkaline extraction from the leaves. The water-soluble fraction of the alkali-soluble hemicelluloses has been characterized. It consists of an arabinoxyloglucan. Information is given on the isolation and characterization of(More)
1. Among the polysaccharides ofOnobrychis viciifolia has been found a glucuronoxylan the main chain of which is constructed of β-D-xylopyranose units linked by the 1 → 4 carbon atoms. In the one-unit side chains there are residues of D-glucuronic and 4-O-methyl-D-glucuronic acids and also of β-D-xylopyranose attached to the main chain through the second(More)
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