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Biotechnology Letters

, Volume 29, Issue 9, pp 1329–1332 | Cite as

Production of d-lactic acid from sugarcane molasses, sugarcane juice and sugar beet juice by Lactobacillus delbrueckii

  • Buenaventurada P. Calabia
  • Yutaka TokiwaEmail author
Original Research Paper

Abstract

Lactobacillus delbrueckii was grown on sugarcane molasses, sugarcane juice and sugar beet juice in batch fermentation at pH 6 and at 40°C. After 72 h, the lactic acid from 13% (w/v) sugarcane molasses (119 g total sugar l−1) and sugarcane juice (133 g total sugar l−1) was 107 g l−1 and 120 g l−1, respectively. With 10% (w/v) sugar beet juice (105 g total sugar l−1), 84 g lactic acid l−1 was produced. The optical purities of d-lactic acid from the feedstocks ranged from 97.2 to 98.3%.

Keywords

d-Lactic acid Lactobacillus delbrueckii Sugar beet juice Sugarcane juice Sugarcane molasses 

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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  1. 1.National Institute of Advanced Industrial Science and Technology (AIST)TsukubaJapan

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