Document Detail


Effect of High Hydrostatic Pressure on the Production of Conjugated Fatty Acids and Trans Fatty Acids by Bifidobacterium breve LMC520.
MedLine Citation:
PMID:  23016761     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study was performed to investigate the effect of high hydrostatic pressure (HHP) on the conversion of linoleic acid, conjugated linoleic acid (CLA) and α-linolenic acid (α-LNA) as substrates by Bifidobacterium breve LMC520 and to optimize the HHP condition. Cell mixture were tested under HHP in a variety of conditions such as temperature, time, pressure, and pre- or post-treatment with substrates. The cis-9,trans-11 CLA producing activity of B. breve LMC520 was increased by HHP, whereas trans-9,trans-11 CLA producing activity was decreased. Optimal HHP conditions for the highest CLA production were obtained at 100 MPa for 12 h at 37 °C. Post-treatment groups showed higher conversion activity of substrates than pre-treatment groups. Post-treatment groups decreased trans-9,trans-11 CLA and other CLnA, whereas the pre-treatment groups increased them. It is concluded that HHP treatment could be an important factor to enhance CLA and CLnA production and for reducing trans-fatty acids.
Authors:
Hui Gyu Park; Jun Ho Kim; S Kim; Eung Gi Kweon; Seong Ho Choi; Young Seung Lee; Misook Kim; Nag Jin Choi; Yoonhwa Jeong; Young Jun Kim
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-27
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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