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Title:
Enzymatic synthesis of sugar fatty acid esters in organic solvent and in supercritical carbon dioxide and their antimicrobial activity
Authors:
ID
Leitgeb, Maja
(
Author
)
ID
Šabeder, Saša
(
Author
)
ID
Knez, Željko
(
Author
)
Files:
http://dx.doi.org/10.1016/j.supflu.2008.01.002
Language:
English
Work type:
Unknown
Typology:
1.01 - Original Scientific Article
Organization:
FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:
Lipase-catalyzed synthesis of different sugar fatty acid esters was performed in high yields in 2-methyl-2-butanol at atmospheric pressure and in supercritical carbon dioxide (SC CO2) at 10 MPa. Influence of molecular sievesconcentration on conversion in SC CO2 was studied. Growth inhibitory effect of commercial sucrose fatty acid esters and enzymatically synthesized sucrose and fructose fatty acid esters on Gram-positive and Gram-negative micro-organisms, as well as on yeast was tested. Sucrose laurate inhibited the growth of Bacillus cereus food poisoning bacteria at a concentration of 9.375 mg/ml.
Keywords:
biocatalysis
,
lipase
,
sugar fatty acid ester
,
organic solvent
,
cupercritical CO2
,
antimicrobial activity
Year of publishing:
2008
PID:
20.500.12556/DKUM-26196
UDC:
577.124.5-987
ISSN on article:
0896-8446
COBISS.SI-ID:
12349462
NUK URN:
URN:SI:UM:DK:XHAQQJAI
Publication date in DKUM:
31.05.2012
Views:
2457
Downloads:
114
Metadata:
Categories:
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Record is a part of a journal
Title:
The Journal of supercritical fluids
Shortened title:
J. supercrit. fluids
Publisher:
PRA Press
ISSN:
0896-8446
COBISS.SI-ID:
25795072
Secondary language
Language:
English
Keywords:
biokataliza
,
lipaza
,
sladkorni estri maščobnih kislin
,
organsko topilo
,
superkritični CO2
,
antimikrobno delovanje
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