Author:
Brasch DJ,Chuah C,Melton LD
Abstract
The use of 13C
nuclear magnetic resonance spectroscopy has yielded well resolved spectra of
agaroses from marine algae of the Pterocladia
species and Gracilaria secundata, and
from the porphyran and alkali-modified porphyran of Porphyra columbina. A complete assignment of all signals in the
spectra of these four undegraded polysaccharides has been made on the basis of 13C
n.m.r. spectra which have been reported for various galactose derivatives and
agaro-oligosaccharides. General shifts rules for carbohydrates have been used.
Conformational aspects of the work are briefly discussed.
Cited by
27 articles.
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