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Abstract:

A sample of Gigartina skottsbergii has been fractionally extracted. Study of the different fractions, as well as of the carrageenans obtained from them by precipitation with potassium chloride, suggest that the seaweed contains a system of polysaccharides much more complex than that indicated by the classical κ- and λ-picture. The fraction precipitated at 0·30-0·40M-potassium chloride contained for every ten 3-linked galactose, six 4-linked 3,6-anhydrogalactose and ten sulphate groups (five as 3,6-anhydrogalactose 2-sulphate and five as galactose 2-sulphate). The possibility of an 'alternating structure' is discussed.

Registro:

Documento: Artículo
Título:The carrageenan system of Gigartina skottsbergii S. et G. Part II. Analysis of the system and studies on the structure of the fraction precipitated at 0·3-0·4M-potassium chloride
Autor:Cerezo, A.S.
Filiación:Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina
Año:1967
Página de inicio:2491
Página de fin:2495
DOI: http://dx.doi.org/10.1039/J39670002491
Título revista:Journal of the Chemical Society C: Organic Chemistry
ISSN:00224952
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00224952_v_n_p2491_Cerezo

Citas:

---------- APA ----------
(1967) . The carrageenan system of Gigartina skottsbergii S. et G. Part II. Analysis of the system and studies on the structure of the fraction precipitated at 0·3-0·4M-potassium chloride. Journal of the Chemical Society C: Organic Chemistry, 2491-2495.
http://dx.doi.org/10.1039/J39670002491
---------- CHICAGO ----------
Cerezo, A.S. "The carrageenan system of Gigartina skottsbergii S. et G. Part II. Analysis of the system and studies on the structure of the fraction precipitated at 0·3-0·4M-potassium chloride" . Journal of the Chemical Society C: Organic Chemistry (1967) : 2491-2495.
http://dx.doi.org/10.1039/J39670002491
---------- MLA ----------
Cerezo, A.S. "The carrageenan system of Gigartina skottsbergii S. et G. Part II. Analysis of the system and studies on the structure of the fraction precipitated at 0·3-0·4M-potassium chloride" . Journal of the Chemical Society C: Organic Chemistry, 1967, pp. 2491-2495.
http://dx.doi.org/10.1039/J39670002491
---------- VANCOUVER ----------
Cerezo, A.S. The carrageenan system of Gigartina skottsbergii S. et G. Part II. Analysis of the system and studies on the structure of the fraction precipitated at 0·3-0·4M-potassium chloride. 1967:2491-2495.
http://dx.doi.org/10.1039/J39670002491