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Abstract:

A homogeneous galactomannan composed of d-mannose and d-galactose in a molar ratio of 3.2-3.5:1 was isolated in 15-20% yield from the seeds of Gleditsia triacanthos. On periodate oxidation, all of the d-mannose and d-galactose residues were attacked, as hydrolysis of the reduced, oxidized polysaccharide gave only glycerol and erythritol. The periodate consumption was 4.7 molecules per four hexose residues, and 1 molecule of formic acid was produced. Hydrolysis of the methylated polysaccharide (1 mole) yielded 2,3,4,6-tetra-O-methyl-d-galactose (1 mole), 2,3,6-tri-O-methyl-d-mannose (2.5 moles), and 2,3-di-O-methyl-d-mannose (1 mole). Traces of two other compounds (which, according to their chromatographic behavior, could be 2,3,4- and 2,3,6-tri-O-methyl-galactose) were also found. © 1970.

Registro:

Documento: Artículo
Título:The structure of a galactomannan from the seed of Gleditsia triacanthos
Autor:Leschziner, C.; Cerezo, A.S.
Filiación:Departamento de Quimica Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Año:1970
Volumen:15
Número:2
Página de inicio:291
Página de fin:299
DOI: http://dx.doi.org/10.1016/S0008-6215(00)88013-1
Título revista:Carbohydrate Research
Título revista abreviado:Carbohydr. Res.
ISSN:00086215
CODEN:CRBRA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00086215_v15_n2_p291_Leschziner

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Citas:

---------- APA ----------
Leschziner, C. & Cerezo, A.S. (1970) . The structure of a galactomannan from the seed of Gleditsia triacanthos. Carbohydrate Research, 15(2), 291-299.
http://dx.doi.org/10.1016/S0008-6215(00)88013-1
---------- CHICAGO ----------
Leschziner, C., Cerezo, A.S. "The structure of a galactomannan from the seed of Gleditsia triacanthos" . Carbohydrate Research 15, no. 2 (1970) : 291-299.
http://dx.doi.org/10.1016/S0008-6215(00)88013-1
---------- MLA ----------
Leschziner, C., Cerezo, A.S. "The structure of a galactomannan from the seed of Gleditsia triacanthos" . Carbohydrate Research, vol. 15, no. 2, 1970, pp. 291-299.
http://dx.doi.org/10.1016/S0008-6215(00)88013-1
---------- VANCOUVER ----------
Leschziner, C., Cerezo, A.S. The structure of a galactomannan from the seed of Gleditsia triacanthos. Carbohydr. Res. 1970;15(2):291-299.
http://dx.doi.org/10.1016/S0008-6215(00)88013-1