MALDI-MS characerization of maltooligo/polysaccharides from debranched starch amylopectin of corn and barley

Wang, J.; Jiang, G.; Vasanthan, T.; Sporns, P.

MALDI-MS characerization of maltooligo/polysaccharides from debranched starch amylopectin of corn and barley

1999

Wang, J. | Jiang, G. | Vasanthan, T. | Sporns, P.

A protocol was developed for molecular characterization of debranched starch amylopectin using Matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS). Starch from waxy corn was used in the protocol development. Various factors influencing the protocol were investigated and discussed. Using the developed protocols, starch amylopectin from barley grains (waxy-type Candle and regular-type Phoenix) were also characterised. The study suggested that MALDI-MS is suitable to determine the molecular size profile of debranched starch (maltooligo- and polysaccharides) faster and with greater accuracy than any present analytical methodology.

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AGROVOC Keywords

amilopectina amylopectin amylopectine amylopektin barley cebada espectrometria gerste gewicht mais maize molecular weight oligosaccharide oligosaccharides orge peso molecular polyholoside polymerisation polysaccharid polysaccharides spectrometrie spectrometry spektrometrie spektrum struktur zucker

Bibliographic information

Published in

Starch - Staerke (Germany)

Volume 51 Issue 7 ISSN 0038-9056

Pagination

pp. 243-248

Other Subjects

Maiz; Staerkechemie; Staerke; Poids moleculaire; Molekuel; Oligosacaridos; Polisacaridos; Getreideverarbeitung

Language

English

Note

Summary (En)

Translated Title

MALDI-MS Charakterisierung von Maltooligo/polysacchariden aus verzweigtem Mais- und Gerstenamylopektin

Type

Summary

Corporate Author

Univ. of Alberta, Edmonton (Canada). Dept. of Agricultural, Food and Nutritional Science

In AGRIS since: 2000-08-15

Format: AGRIS AP

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MALDI-MS characerization of maltooligo/polysaccharides from debranched starch amylopectin of corn and barley

1999

AGROVOC Keywords

Bibliographic information