Identification and fermentation characteristics of lactic acid bacteria isolated from the fermentation broth of Korean traditional liquor, Andong-Soju = 안동소주 발효액으로부터 분리한 젖산 세균의 동정 및 발효 특성

Cited 0 time in scopus
Metadata Downloads
Title
Identification and fermentation characteristics of lactic acid bacteria isolated from the fermentation broth of Korean traditional liquor, Andong-Soju = 안동소주 발효액으로부터 분리한 젖산 세균의 동정 및 발효 특성
Author(s)
K H Bae; Kee Sun Shin; H Y Ryu; C S Kwon; H Y Sohn
Bibliographic Citation
Korean Journal of (Applied) Microbiology & Biotechnology, vol. 35, no. 4, pp. 310-315
Publication Year
2007
Abstract
To investigate the effect of lactic acid bacteria in Andong-Soju fermentation and traditional nuruk maturation, several lactic acid bacteria were isolated from the Andong-Soju fermentation broth and traditionally matured nuruks using Lactobacilli MRS agar containing bromocresol purple. Among the isolated bacteria, ADS-L1 showed the highest lactic acid production and was dominant species in fermentation broth. Based on physiological characteristics and 16S rDNA sequencing results, the ADS-L1 was identified as Pediococcus acidilactici. The ADS-L1 grew well at 50°C, and under the acidic conditions at pH 4, whereas the ADS-L1 failed to grew by treatments of 12% (w/v) ethanol or 0.01N HCl. Considering the high temperature of nuruk above 50°C during nuruk maturation and the high ethanol concentration of broth above 12% at the end-stage of Andong-Soju fermentation, these results suggested that the ADS-L1 is popular in matured nuruks and plays role in the early-stage of fermentation. Analysis of pH, brix, reducing sugar content, lactic acid production, and cell growth during the cultivation of ADS-L1 further suggested that the ADS-L1 may contribute the prevention of contamination by rapid and steady acidification of broth, and do not cause problems by rapid death at the end-stage of fermentation.
Keyword
andong sojulactic acid bacteriatraditional liquors
ISSN
0257-2389
Publisher
South Korea
Type
Article
Appears in Collections:
Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
Files in This Item:
  • There are no files associated with this item.


Items in OpenAccess@KRIBB are protected by copyright, with all rights reserved, unless otherwise indicated.