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Struktur der Zellwandpolysaccharide in der Futtereiweiß-Hefe Candida spec. H. VI. Isolierung und Strukturaufklärung der Glucane

✍ Scribed by H. D. Grimmecke; Prof. Dr. G. Reuter

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
502 KB
Volume
21
Category
Article
ISSN
0233-111X

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✦ Synopsis

Abstract

Alkali‐soluble glucan was obtained from Candida spec. H by extraction with dilute sodium hydroxide. This minor component is quite heterogeneous in molecular size, has a highly branched structure and contains 19% β(1,3)‐, 24% β(1,6)‐ and only 2% β(1,2)‐linkages

Other minor polysaccharide components have been isolated by acetic acid extraction. They have been identified as glycogen and linear β(1,6)‐glucan, respectively

The major component is a 1,2‐, 1,3‐, 1,6‐glucan branched in 1,2,3‐, 1,3,6‐ and 1,2,6‐positions, containing chitin. So we can confirm that different yeasts may differ in glucan structures which vary considerably both in the degree of branching and molecular size.

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## Abstract The proteophosphomannan (PPM) obtained by extraction with citrate buffer, purification by the cetavlon method and gelfiltration contains a high proportion of diesterfied phosphate groups between the C‐6 of a side chain mannose and another glycosidically bound carbohydrate. Mild acid hyd