Optical resolution of racemic citronellol via a double coupling system in an interface bioreactor

Shinobu Oda, Takeshi Sugai, Hiromichi Ohta

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A double coupling system consisting of acetyl coenzyme A [acetyl-CoA] formation via the metabolism of glucose and the subsequent acetylation of a primary alcohol by acetyl-CoA with the aid of alcohol acetyltransferase [AATFase], was applied for the optical resolution of racemic citronellol. Pichia kluyveri IFO 1165 was superior for the optical resolution of racemic citronellol and provided (S)-citronellyl acetate and (R)-citronellol with high enantioselectivity and yield. The strain also exhibited excellent resistance to high concentrations of citronellol, i.e., it could maintain metabolism and enantioselective acetylation even in the presence of 30% citronellol. The coupling system using P. kluyveri IFO 1165 was applied to two new types of interface bioreactors, tentatively referred to as bead- packed and multistory interface bioreactors. Using the latter bioreactor, (S)-citronellyl acetate and (R)-citronellol were produced in large amounts at high enantioselectivity and yield.

Original languageEnglish
Pages (from-to)473-480
Number of pages8
JournalJournal of Bioscience and Bioengineering
Volume87
Issue number4
DOIs
Publication statusPublished - 1999 Jan 1

Keywords

  • Alcohol acetyltransferase
  • Bioconversion
  • Coupling system
  • Interface bioreactor
  • Optical resolution

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

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