Document Detail


Direct lactic acid fermentation of Jerusalem artichoke tuber extract using Lactobacillus paracasei without acidic or enzymatic inulin hydrolysis.
MedLine Citation:
PMID:  22516247     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Lactic acid fermentation of Jerusalem artichoke tuber was performed with strains of Lactobacillus paracasei without acidic or enzymatic inulin hydrolysis prior to fermentation. Some strains of L. paracasei, notably KCTC13090 and KCTC13169, could ferment hot-water extract of Jerusalem artichoke tuber more efficiently compared with other Lactobacillus spp. such as L. casei type strain KCTC3109. The L. paracasei strains could utilize almost completely the fructo-oligosaccharides present in Jerusalem artichoke. Inulin-fermenting L. paracasei strains produced c.a. six times more lactic acid compared with L. casei KCTC3109. Direct lactic fermentation of Jerusalem artichoke tuber extract at 111.6g/L of sugar content with a supplement of 5g/L of yeast extract by L. paracasei KCTC13169 in a 5L jar fermentor produced 92.5g/L of lactic acid with 16.8g/L fructose equivalent remained unutilized in 72h. The conversion efficiency of inulin-type sugars to lactic acid was 98% of the theoretical yield.
Authors:
Hwa-Young Choi; Hee-Kyoung Ryu; Kyung-Min Park; Eun Gyo Lee; Hongweon Lee; Seon-Won Kim; Eui-Sung Choi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-2
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Affiliation:
Industrial Biotechnology Research Center, KRIBB, Daejeon, Republic of Korea.
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