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Abstract:

A heteropolysaccharide (CD1) was isolated by water extraction from Cyttaria darwinii, a parasite of Nothofagus spp., in 32% yield. The only neutral sugar component was d-glucose (94%), the other component being d-arabino-hexulosonic acid, a sugar acid not normally found in polysaccharides. The linkages between the glucosyl groups were determined by methylation analysis and the anomeric configurations by chromium trioxide oxidation of the acetylated polysaccharide. 13C NMR spectroscopy proved to be useful in determining structural similarities between CD1 and CH1, isolated from the related species C. harioti. © 1989.

Registro:

Documento: Artículo
Título:Occurrence of d-arabino-hexulosonic acid in polysaccharides of Cyttaria species
Autor:Cirelli, A.F.; Oliva, E.M.; De Lederkremer, R.M.
Filiación:Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon II, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:13C NMR spectroscopy; Cyttaria darwinii, C. harioti; Cyttariaceae; d-arabino-hexulosonic acid.; fungal polysaccharides; structural elucidation
Año:1989
Volumen:28
Número:6
Página de inicio:1645
Página de fin:1647
DOI: http://dx.doi.org/10.1016/S0031-9422(00)97817-8
Título revista:Phytochemistry
Título revista abreviado:Phytochemistry
ISSN:00319422
CODEN:PYTCA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319422_v28_n6_p1645_Cirelli

Referencias:

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  • Fernández, Lederkremer, (1971) Chem. Ind., p. 1139
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  • Hoffman, Lindberg, Svensson, Determination of the Anomeric Configuration of Sugar Residues in Acetylated Oligo- and Polysaccharides by Oxidation with Chromium Trioxide in Acetic Acid. (1972) Acta Chemica Scandinavica, 26, p. 661
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Citas:

---------- APA ----------
Cirelli, A.F., Oliva, E.M. & De Lederkremer, R.M. (1989) . Occurrence of d-arabino-hexulosonic acid in polysaccharides of Cyttaria species. Phytochemistry, 28(6), 1645-1647.
http://dx.doi.org/10.1016/S0031-9422(00)97817-8
---------- CHICAGO ----------
Cirelli, A.F., Oliva, E.M., De Lederkremer, R.M. "Occurrence of d-arabino-hexulosonic acid in polysaccharides of Cyttaria species" . Phytochemistry 28, no. 6 (1989) : 1645-1647.
http://dx.doi.org/10.1016/S0031-9422(00)97817-8
---------- MLA ----------
Cirelli, A.F., Oliva, E.M., De Lederkremer, R.M. "Occurrence of d-arabino-hexulosonic acid in polysaccharides of Cyttaria species" . Phytochemistry, vol. 28, no. 6, 1989, pp. 1645-1647.
http://dx.doi.org/10.1016/S0031-9422(00)97817-8
---------- VANCOUVER ----------
Cirelli, A.F., Oliva, E.M., De Lederkremer, R.M. Occurrence of d-arabino-hexulosonic acid in polysaccharides of Cyttaria species. Phytochemistry. 1989;28(6):1645-1647.
http://dx.doi.org/10.1016/S0031-9422(00)97817-8