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Use of a starter culture of lactic acid bacteria in plaa-som, a Thai fermented fish

Paper ID Volume ID Publish Year Pages File Format Full-Text
21558 43228 2010 5 PDF Available
Title
Use of a starter culture of lactic acid bacteria in plaa-som, a Thai fermented fish
Abstract

ABSTRACTPlaa-som is a Thai fermented fish prepared from freshwater fish and various ingredients. In this study, two strains of lactic acid bacteria (LAB) isolated from natural plaa-som fermentation were used as starter cultures: Lactobacillus plantarum IFRPD P15 and Lactobacillus reuteri IFRPD P17. These strains were used as a mixed starter culture for plaa-som using an air-drying method (laminar airflow) with sterilized rice grains as the filler. This method produced a suitable starter culture, which was maintained at 4 °C for more than 20 weeks. LAB were the dominant bacteria in the starter culture and produced high acidity from 24 h until the end of fermentation. This resulted in decreased pH in plaa-som. L. plantarum IFRPD P15 was dominant as an acidity producer, whereas L. reuteri IFRPD P17 showed an ability to suppress and eliminate pathogenic bacteria such as Escherichia coli within 24 h. The use of a single starter culture for plaa-som resulted in incomplete suppression of pathogenic bacteria and elimination of E. coli. Thus, L. plantarum IFRPD P15 and L. reuteri IFRPD P17 have great potential for use as a mixed starter culture in plaa-som fermentation and may possibly help to reduce fermentation time.

Keywords
LAB, Lactic acid bacteria; IFRPD, Institute of Food Research and Product Development.Fermented fish; Plaa-som; Starter culture; Lactic acid bacteria; Drying method
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Use of a starter culture of lactic acid bacteria in plaa-som, a Thai fermented fish
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 110, Issue 5, November 2010, Pages 553–557
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us