INVESTIGADORES
FERNANDEZ CIRELLI Alicia
artículos
Título:
Structural studies on a polysaccharide from Cyttaria harioti Fischer
Autor/es:
A. FERNÁNDEZ CIRELLI; R. MUCHNIK DE LEDERKREMER
Revista:
Anales Asociación Química Argentina
Editorial:
Asociación Química Argentina
Referencias:
Lugar: Buenos Aires; Año: 1972 vol. 60 p. 299 - 308
ISSN:
0365-7124
Resumen:
The structure of a polysaccharide isolated from the fruit bodies of Cyttaria harioti Fischer has been investigated. It contains D-glucose, D-arabino-hexulosonic acid and D-fructose in the molar ratio of 98: 6: 1. Results of periodate oxidation, methylation, and partial hydrolisis studies showed that the polysaccharide has a branched structure formed by a backbone of D-glucose units linked beta(1-->3) Chains of A (1 -->6) linked D-glucose residues are joined the 6-position of some of the glucose noits in backbone. Some of the branches would start with a D-arabino-hexulosonic acid residue linked (1-->4) to D-glucose. A low proportion (1-5%) of beta (1-->4) linkages of D-glucose was also found.
