Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids
Abstract Esterification of five positional isomers of acetylenic fatty acids [ viz . 9:1(2a), 11:1(10a), 18:1(6a), 18:1(9a) and 22:1(13a)] of different chain lengths with n ‐butanol in n ‐hexane in the presence of eight different lipases [Lipozyme IM 20 ( Rhizomucor miehei ), Lipolase 100T ( R. mieh...
Published in: | Lipids |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
1998
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1007/s11745-998-0181-2 https://onlinelibrary.wiley.com/doi/full/10.1007/s11745-998-0181-2 |
id |
crwiley:10.1007/s11745-998-0181-2 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1007/s11745-998-0181-2 2024-09-15T17:45:32+00:00 Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids Lie Ken Jie, Marcel S. F. Xun, Fu 1998 http://dx.doi.org/10.1007/s11745-998-0181-2 https://onlinelibrary.wiley.com/doi/full/10.1007/s11745-998-0181-2 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Lipids volume 33, issue 1, page 71-75 ISSN 0024-4201 1558-9307 journal-article 1998 crwiley https://doi.org/10.1007/s11745-998-0181-2 2024-07-11T04:39:12Z Abstract Esterification of five positional isomers of acetylenic fatty acids [ viz . 9:1(2a), 11:1(10a), 18:1(6a), 18:1(9a) and 22:1(13a)] of different chain lengths with n ‐butanol in n ‐hexane in the presence of eight different lipases [Lipozyme IM 20 ( Rhizomucor miehei ), Lipolase 100T ( R. miehei ), Novozyme 435 ( Candida antarctica ), PPL (porcine pancreatic lipase), CCL ( C. cylindracea ), PS‐D ( Pseudomonas cepacia ), Lipase A‐12 ( Aspergillus niger ) and Lipase AY‐30 ( C. rugosa )] was studied. 2‐Nonynoic acid was not esterified except when catalyzed by the lipase from C. antarctica (Novozyme 435) to give 42% butyl ester after 48 h. The lipases from A. niger (Lipase A‐12) and C. rugosa (Lipase AY‐30) showed poor biocatalytic behavior in the esterification of the acetylenic fatty acids studied. 10‐Undecynoic acid gave the highest conversion rate of esterification with each kind of lipase used. 6‐Octadecynoic acid showed a marked degree of resistance to esterification carried out in the presence of C. cylindracea (CCL), P. cepacia (PS‐D), or porcine pancreatic (PPL) lipase but not significantly in the presence of the lipases of R. miehei (Lipozyme IM 20), R. miehei (Lipolase 100T), or Novozyme 435. 9‐Octadecynoic acid and 13‐docosynoic acid were not discriminated and were readily esterified by the remaining six lipases, but when compared to oleic acid the acetylenic fatty acids were comparatively much slower in conversion to the esters. Article in Journal/Newspaper Antarc* Antarctica Wiley Online Library Lipids 33 1 71 75 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract Esterification of five positional isomers of acetylenic fatty acids [ viz . 9:1(2a), 11:1(10a), 18:1(6a), 18:1(9a) and 22:1(13a)] of different chain lengths with n ‐butanol in n ‐hexane in the presence of eight different lipases [Lipozyme IM 20 ( Rhizomucor miehei ), Lipolase 100T ( R. miehei ), Novozyme 435 ( Candida antarctica ), PPL (porcine pancreatic lipase), CCL ( C. cylindracea ), PS‐D ( Pseudomonas cepacia ), Lipase A‐12 ( Aspergillus niger ) and Lipase AY‐30 ( C. rugosa )] was studied. 2‐Nonynoic acid was not esterified except when catalyzed by the lipase from C. antarctica (Novozyme 435) to give 42% butyl ester after 48 h. The lipases from A. niger (Lipase A‐12) and C. rugosa (Lipase AY‐30) showed poor biocatalytic behavior in the esterification of the acetylenic fatty acids studied. 10‐Undecynoic acid gave the highest conversion rate of esterification with each kind of lipase used. 6‐Octadecynoic acid showed a marked degree of resistance to esterification carried out in the presence of C. cylindracea (CCL), P. cepacia (PS‐D), or porcine pancreatic (PPL) lipase but not significantly in the presence of the lipases of R. miehei (Lipozyme IM 20), R. miehei (Lipolase 100T), or Novozyme 435. 9‐Octadecynoic acid and 13‐docosynoic acid were not discriminated and were readily esterified by the remaining six lipases, but when compared to oleic acid the acetylenic fatty acids were comparatively much slower in conversion to the esters. |
format |
Article in Journal/Newspaper |
author |
Lie Ken Jie, Marcel S. F. Xun, Fu |
spellingShingle |
Lie Ken Jie, Marcel S. F. Xun, Fu Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
author_facet |
Lie Ken Jie, Marcel S. F. Xun, Fu |
author_sort |
Lie Ken Jie, Marcel S. F. |
title |
Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
title_short |
Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
title_full |
Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
title_fullStr |
Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
title_full_unstemmed |
Studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
title_sort |
studies of lipase‐catalyzed esterification reactions of some acetylenic fatty acids |
publisher |
Wiley |
publishDate |
1998 |
url |
http://dx.doi.org/10.1007/s11745-998-0181-2 https://onlinelibrary.wiley.com/doi/full/10.1007/s11745-998-0181-2 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Lipids volume 33, issue 1, page 71-75 ISSN 0024-4201 1558-9307 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1007/s11745-998-0181-2 |
container_title |
Lipids |
container_volume |
33 |
container_issue |
1 |
container_start_page |
71 |
op_container_end_page |
75 |
_version_ |
1810493411113828352 |