Article (Scientific journals)
A new pilot plant scale acetifier designed for vinegar production in Sub-Saharan Africa
Ndoye, B.; Lebecque, S.; Destain, Jacqueline et al.
2007In Process Biochemistry, 42 (11), p. 1561-1565
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Keywords :
Acetobacter senegalensis sp nov.; thermotolerant acetic acids bacteria; freeze-dried starter culture; vinegar cultivation; acetifier bioreactor
Abstract :
[en] A novel thermotolerant strain Acetobacter senegalensis sp. nov. (CWBI-B418(T)) isolated in Senegal from mango fruit, previously freeze-dried and conserved at 4 degrees C under vacuum packaging was successfully rehydrated into an acetifying medium. It was used as an inoculum culture and then applied into a new pilot plant scale acetifier (300 L) for vinegar production. This latter was specifically designed to produce a high volume and quality of vinegar in Sub-Saharan Africa at fermentation temperature of 35 degrees C. Several semi-continuous cycles of acetic acid fermentations were carried out. The behaviour of substrate and product concentrations, population of bacteria into the reactor was analysed as well as the evolution of acidity, acetification rates and stoichiometric yields. Operation with this novel bioreactor allowed achieving 8% (v/v) of acetic acid concentration at 35 degrees C. (C) 2007 Elsevier Ltd. All rights reserved.
Disciplines :
Microbiology
Biotechnology
Biochemistry, biophysics & molecular biology
Author, co-author :
Ndoye, B.
Lebecque, S.
Destain, Jacqueline ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Guiro, A. T.
Thonart, Philippe ;  Université de Liège - ULiège > Département des sciences de la vie > Biochimie et microbiologie industrielles
Language :
English
Title :
A new pilot plant scale acetifier designed for vinegar production in Sub-Saharan Africa
Publication date :
November 2007
Journal title :
Process Biochemistry
ISSN :
1359-5113
Publisher :
Elsevier Sci Ltd, Oxford, United Kingdom
Volume :
42
Issue :
11
Pages :
1561-1565
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 November 2009

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