Growth and exopolysaccharide formation by Pediococcus damnosus 2.6 in beta-glucan suspensions of oat and barley

Research output: Contribution to journalArticle

Abstract

The formation of exopolysaccharides (EPS) by Pediococcus damnosus strain 2.6 was investigated in two different high P-glucan suspensions of oat (OBC) and barley (BBC). Bacterial growth was confirmed by measuring pH, colony forming units (cfu), viscosity and ropiness during growth. Growth and an increase in viscosity of the beta-glucan suspension based on oat were observed whereas only a minor growth and no significant effect on viscosity was seen in the beta-glucans suspension based on barley. Higher bacterial growth and higher final viscosity and ropiness were observed in samples that were mixed with the OBC and an ordinary commercial oat-base (Adavena(R) G40). These results show the potential of using a combination of a high beta-glucan suspension of cereals to generate fermented products containing both high levels of native beta-glucans from oats or barley and also microbial beta-glucans from the starter culture.

Details

Authors
  • O Martensson
  • C Jönsson
  • M Duenas-Chasco
  • A Irastorza
  • Rickard Öste
  • Olle Holst
Organisations
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Industrial Biotechnology
  • Nutrition and Dietetics

Keywords

  • oat, beta-glucans, lactic acid bacteria, Pediococcus damnosus, 2.6, barley
Original languageEnglish
Pages (from-to)151-155
JournalLWT- Food Science and Technology
Volume38
Issue number2
Publication statusPublished - 2005
Publication categoryResearch
Peer-reviewedYes

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Biotechnology (LTH) (011001037), Applied Nutrition and Food Chemistry (011001300)