SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH
Namen diplomskega dela je bil sintetizirati saharozo palmitat, ki se uporablja v kozmetični, farmacevtski in prehrambeni industriji. Osredotočili smo se na sintezo saharoza palmitata v t-butanolu, vendar smo za primerjavo izvedli tudi sinteze v drugih organskih topilih, kot so etil metil keton, acet...
Main Author: | |
---|---|
Other Authors: | |
Format: | Bachelor Thesis |
Language: | Slovenian |
Published: |
M. Bahlen
2011
|
Subjects: | |
Online Access: | https://dk.um.si/IzpisGradiva.php?id=20413 https://dk.um.si/Dokument.php?id=25272&dn= https://plus.si.cobiss.net/opac7/bib/15835158?lang=sl |
id |
ftunivmaribor:oai:dk.um.si:IzpisGradiva.php-id-20413 |
---|---|
record_format |
openpolar |
spelling |
ftunivmaribor:oai:dk.um.si:IzpisGradiva.php-id-20413 2023-05-15T13:36:29+02:00 SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH SYNTHESIS OF SUCROSE PALMITATE IN ORGANIC SOLVENTS Bahlen, Maja Leitgeb, Maja 2011-10-04 application/pdf https://dk.um.si/IzpisGradiva.php?id=20413 https://dk.um.si/Dokument.php?id=25272&dn= https://plus.si.cobiss.net/opac7/bib/15835158?lang=sl slv slv M. Bahlen info:eu-repo/semantics/openAccess Maribor encimsko katalizirana sinteza lipaza B iz Candida antarctica saharoza palmitat organska topila t-butanol enzymatic synthesis lipase B from Candida antarctica sucrose palmitate organic solvents info:eu-repo/classification/udc/577.15:547.458.2(043.2) info:eu-repo/semantics/bachelorThesis info:eu-repo/semantics/publishedVersion 2011 ftunivmaribor 2019-02-03T16:09:36Z Namen diplomskega dela je bil sintetizirati saharozo palmitat, ki se uporablja v kozmetični, farmacevtski in prehrambeni industriji. Osredotočili smo se na sintezo saharoza palmitata v t-butanolu, vendar smo za primerjavo izvedli tudi sinteze v drugih organskih topilih, kot so etil metil keton, aceton in tert-amil alkohol. Encimsko katalizirano sintezo saharoza palmitata smo izvedli v mešalnem šaržnem reaktorju pri temperaturi 60 °C. Reakcijo smo katalizirali z imobilizirano lipazo B iz Candida antarctica. Produkt reakcije je bil saharoza mono-, di- in tri-palmitat. Reakcije smo izvedli z različnimi množinskimi razmerji substratov (palmitinska kislina : saharoza). Najvišjo presnovo smo dobili v primeru, ko je bilo množinsko razmerje substratov (palmitinska kislina : saharoza) 10 : 90. The purpose of this study was to synthesize sucrose palmitate used in cosmetics, pharmaceutical and food industries. Our focus was mainly on the synthesis of sucrose palmitate in tert-butanol. For comparison the synthesis of sucrose palmitate in other organic solvents like ethyl methyl ketone, acetone and tert-amil alcohol were also carried out. Enzyme catalyzed synthesis of sucrose palmitate was carried out at 60 °C in a batch stirred reactor. Reactions were catalyzed by immobilized lipase B from Candida antarctica. Product was sucrose mono-, di- and three-palmitate. Reactions were carried out with different molar ratio of substrates (palmitic acid : sucrose). The highest conversion was obtained when molar ratio of substrates was (palmitic acid : sucrose) 10 : 90. Bachelor Thesis Antarc* Antarctica Digital Library of University of Maribor |
institution |
Open Polar |
collection |
Digital Library of University of Maribor |
op_collection_id |
ftunivmaribor |
language |
Slovenian |
topic |
encimsko katalizirana sinteza lipaza B iz Candida antarctica saharoza palmitat organska topila t-butanol enzymatic synthesis lipase B from Candida antarctica sucrose palmitate organic solvents info:eu-repo/classification/udc/577.15:547.458.2(043.2) |
spellingShingle |
encimsko katalizirana sinteza lipaza B iz Candida antarctica saharoza palmitat organska topila t-butanol enzymatic synthesis lipase B from Candida antarctica sucrose palmitate organic solvents info:eu-repo/classification/udc/577.15:547.458.2(043.2) Bahlen, Maja SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
topic_facet |
encimsko katalizirana sinteza lipaza B iz Candida antarctica saharoza palmitat organska topila t-butanol enzymatic synthesis lipase B from Candida antarctica sucrose palmitate organic solvents info:eu-repo/classification/udc/577.15:547.458.2(043.2) |
description |
Namen diplomskega dela je bil sintetizirati saharozo palmitat, ki se uporablja v kozmetični, farmacevtski in prehrambeni industriji. Osredotočili smo se na sintezo saharoza palmitata v t-butanolu, vendar smo za primerjavo izvedli tudi sinteze v drugih organskih topilih, kot so etil metil keton, aceton in tert-amil alkohol. Encimsko katalizirano sintezo saharoza palmitata smo izvedli v mešalnem šaržnem reaktorju pri temperaturi 60 °C. Reakcijo smo katalizirali z imobilizirano lipazo B iz Candida antarctica. Produkt reakcije je bil saharoza mono-, di- in tri-palmitat. Reakcije smo izvedli z različnimi množinskimi razmerji substratov (palmitinska kislina : saharoza). Najvišjo presnovo smo dobili v primeru, ko je bilo množinsko razmerje substratov (palmitinska kislina : saharoza) 10 : 90. The purpose of this study was to synthesize sucrose palmitate used in cosmetics, pharmaceutical and food industries. Our focus was mainly on the synthesis of sucrose palmitate in tert-butanol. For comparison the synthesis of sucrose palmitate in other organic solvents like ethyl methyl ketone, acetone and tert-amil alcohol were also carried out. Enzyme catalyzed synthesis of sucrose palmitate was carried out at 60 °C in a batch stirred reactor. Reactions were catalyzed by immobilized lipase B from Candida antarctica. Product was sucrose mono-, di- and three-palmitate. Reactions were carried out with different molar ratio of substrates (palmitic acid : sucrose). The highest conversion was obtained when molar ratio of substrates was (palmitic acid : sucrose) 10 : 90. |
author2 |
Leitgeb, Maja |
format |
Bachelor Thesis |
author |
Bahlen, Maja |
author_facet |
Bahlen, Maja |
author_sort |
Bahlen, Maja |
title |
SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
title_short |
SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
title_full |
SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
title_fullStr |
SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
title_full_unstemmed |
SINTEZA SAHAROZA PALMITATA V ORGANSKIH TOPILIH |
title_sort |
sinteza saharoza palmitata v organskih topilih |
publisher |
M. Bahlen |
publishDate |
2011 |
url |
https://dk.um.si/IzpisGradiva.php?id=20413 https://dk.um.si/Dokument.php?id=25272&dn= https://plus.si.cobiss.net/opac7/bib/15835158?lang=sl |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Maribor |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1766079443298680832 |