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A Universal Feature in the Structure of Starch Granules from Different Botanical Sources
Author(s) -
Jenkins Paul J.,
Cameron Ruth E.,
Donald Athene M.
Publication year - 1993
Publication title -
starch ‐ stärke
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.62
H-Index - 82
eISSN - 1521-379X
pISSN - 0038-9056
DOI - 10.1002/star.19930451202
Subject(s) - feature (linguistics) , starch , biology , food science , philosophy , linguistics
Starch samples from different botanical species show few unifying features in either structure or function: for example both the amylose/amylopectin ratio and the amylopectin chain length are found to vary extensively with botanic source. We have applied a detailed analysis to data obtained from small angle X‐ray scattering (SAXS) of a variety of different starches which has shown the existence of a constant structural periodicity. This finding suggests the possibility of a general mechanism governing the way starch is laid down in different species.