Application of two-dimensional mapping for an analysis of galactosyllactoses in yogurt

Tadao Saito, Tomoya Tsuji, Haruki Kitazawa, Yasushi Kawai, Takatoshi Itoh

研究成果: Article査読

3 被引用数 (Scopus)

抄録

A two-dimensional mapping analysis was performed by HPLC for 4 kinds of standard galactosyllactoses (GLs, trisaccharide) which were assumed to be produced from lactose (galactopyranosylβ1→4 glucopyranose) in yogurt during the fermentation of lactic acid bacteria. After the pyridylamination of GLs, they were analyzed by HPLC in the reverse-phase (RP) and anion-exchange (AE) modes. The retention times of each peak obtained were converted to glucose units (GU) in RP mode for the pyridylaminated isomaltooligosaccharides (G1-3) and to relative retention time (RRT) in AE mode against pyridylaminated-isomaltotriose, and then the address data [GU, RRT] were plotted on a graph. This two-dimensional mapping method was found useful for a rapid qualitative evaluation of the chemical structure of trisaccharides formed in yogurt.

本文言語English
ページ(範囲)1445-1447
ページ数3
ジャーナルBioscience, Biotechnology and Biochemistry
62
7
DOI
出版ステータスPublished - 1998 1月 1

ASJC Scopus subject areas

  • 分析化学
  • バイオテクノロジー
  • 生化学
  • 応用微生物学とバイオテクノロジー
  • 分子生物学
  • 有機化学

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