Production and Characterization of Branched Oligosaccharides from Liquefied Starch by the Action of B. Licheniformis Amylase

Sung-Joon Lee, Sang‐Ho ‐H Yoo, Myo‐Jung ‐J Kim, Jung‐Wan ‐W Kim, Ho‐Moon ‐M Seok, Kwan‐Hwa ‐H Park

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A branched oligosaccharides (BOS) mixture was produced from liquefied starch solution using a maltogenic amylase of Bacillus licheniformis (BLMA). The BOS mixture was produced by both α‐1,4‐bond hydrolyzing and α‐1,6‐transglycosylation activities of BLMA, and it contained 58.3% of various branched oligosaccharides. Small branched oligosaccharides such as isomaltose, isopanose, and panose were identified in the mixture by various analyses including high performance ion‐chromatography (HPIC). Major branched DP4 and DP5 molecules in the mixture were determined as 62‐O‐α‐maltosylmaltose, 63‐O‐α‐maltosyl‐maltotriose and 62‐O‐α‐maltotriosyl‐maltose, respectively. Time course study of BOS production suggested that the hydrolysis and transglycosylation reactions catalyzed by BLMA were coupled. BLMA was likely to transfer a sugar moiety hydrolyzed from a non‐reducing end of maltooligosaccharide, mainly maltose, to another moiety of sugar via the formation of α‐1,6‐linkage. Immobilization of BLMA was attempted as an effort to achieve a continuous process for BOS production. the immobilized enzyme showed improved thermal stability and slight loss of enzyme activity was observed during repeated usage.

Original languageEnglish
Pages (from-to)127-134
Number of pages8
JournalStarch/Staerke
Volume47
Issue number4
DOIs
Publication statusPublished - 1995
Externally publishedYes

Fingerprint

Amylases
Oligosaccharides
amylases
oligosaccharides
Starch
starch
glucan 1,4-alpha-maltohydrolase
Sugars
Isomaltose
isomaltose
sugars
Immobilized Enzymes
immobilized enzymes
Time and motion study
Bacillus licheniformis
Maltose
Enzyme activity
Bacilli
maltose
thermal stability

ASJC Scopus subject areas

  • Food Science
  • Organic Chemistry

Cite this

Production and Characterization of Branched Oligosaccharides from Liquefied Starch by the Action of B. Licheniformis Amylase. / Lee, Sung-Joon; Yoo, Sang‐Ho ‐H; Kim, Myo‐Jung ‐J; Kim, Jung‐Wan ‐W; Seok, Ho‐Moon ‐M; Park, Kwan‐Hwa ‐H.

In: Starch/Staerke, Vol. 47, No. 4, 1995, p. 127-134.

Research output: Contribution to journalArticle

Lee, Sung-Joon ; Yoo, Sang‐Ho ‐H ; Kim, Myo‐Jung ‐J ; Kim, Jung‐Wan ‐W ; Seok, Ho‐Moon ‐M ; Park, Kwan‐Hwa ‐H. / Production and Characterization of Branched Oligosaccharides from Liquefied Starch by the Action of B. Licheniformis Amylase. In: Starch/Staerke. 1995 ; Vol. 47, No. 4. pp. 127-134.
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