About: Identification of regioisomers and enantiomers of triacylglycerols in different yeasts

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About: Identification of regioisomers and enantiomers of triacylglycerols in different yeasts Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	LC with atmospheric pressure chemical ionization (APCI) MS with reversed and chiral phases was used for separation of triacylglycerols (TAGs) from yeasts of the genera Candida, Kluyveromyces, Rhodotorula, Saccharomyces, Torulospora, Trichosporon and Yarrowia. Chiral LC?APCI-MS is based on using two columns in series packed with a 3,5- dimethylphenyl carbamate modified ?-cyclodextrin chiral phase. All regioisomers and enantiomers of TAGs containing one to five double bonds were separated. Molecular species of TAGs, i.e. regioisomers and enantiomers, were identified and quantified by MS/MS. Among the 94 identified TAGs, the most abundant were OOO (triolein), sn-OPoO (oleopalmitoleoolein), and sn-PoPoO (dipalmitoleoolein). In strains producing palmitoleic acid in amounts above 25% of total fatty acids (FAs), this acid, or unsaturated FA is bound in sn-1. In strains containing palmitoleic acid at 10 to 25% total FAs this acid is mainly bound in sn-3, saturated FA being bound in sn-1. Strains containing less than 10% palmitoleic acid form preferentially symmetrical TAGs. LC with atmospheric pressure chemical ionization (APCI) MS with reversed and chiral phases was used for separation of triacylglycerols (TAGs) from yeasts of the genera Candida, Kluyveromyces, Rhodotorula, Saccharomyces, Torulospora, Trichosporon and Yarrowia. Chiral LC?APCI-MS is based on using two columns in series packed with a 3,5- dimethylphenyl carbamate modified ?-cyclodextrin chiral phase. All regioisomers and enantiomers of TAGs containing one to five double bonds were separated. Molecular species of TAGs, i.e. regioisomers and enantiomers, were identified and quantified by MS/MS. Among the 94 identified TAGs, the most abundant were OOO (triolein), sn-OPoO (oleopalmitoleoolein), and sn-PoPoO (dipalmitoleoolein). In strains producing palmitoleic acid in amounts above 25% of total fatty acids (FAs), this acid, or unsaturated FA is bound in sn-1. In strains containing palmitoleic acid at 10 to 25% total FAs this acid is mainly bound in sn-3, saturated FA being bound in sn-1. Strains containing less than 10% palmitoleic acid form preferentially symmetrical TAGs. (en)
Title	Identification of regioisomers and enantiomers of triacylglycerols in different yeasts Identification of regioisomers and enantiomers of triacylglycerols in different yeasts (en)
skos:prefLabel	Identification of regioisomers and enantiomers of triacylglycerols in different yeasts Identification of regioisomers and enantiomers of triacylglycerols in different yeasts (en)
skos:notation	RIV/60461373:22330/13:43895126!RIV14-GA0-22330___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP503/11/0215), Z(MSM6046137305)
http://linked.open...iv/cisloPeriodika	říjen 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kolouchová, Irena Čejková, Alena
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta potravinářské a biochemické technologie
http://linked.open...dnocenehoVysledku	78709
http://linked.open...ai/riv/idVysledku	RIV/60461373:22330/13:43895126
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	reversed phase LC; chiral LC; atmospheric pressure chemical ionization mass spectrometry; triacylglycerols; yeast (en)
http://linked.open.../riv/klicoveSlovo	yeast atmospheric pressure chemical ionization mass spectrometry chiral LC reversed phase LC triacylglycerols
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[CE05209DDF8A]
http://linked.open...i/riv/nazevZdroje	Journal of Separation Science
http://linked.open...in/vavai/riv/obor	EI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Analysis of the composition of triacylglycerols and other lipids in nutritionally important microbial oils and fats.
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	36
http://linked.open...iv/tvurceVysledku	Cajthaml, Tomáš Kolouchová, Irena Sigler, Karel Řezanka, Tomáš Čejková, Alena
http://linked.open...n/vavai/riv/zamer	Teoretické základy potravinářských a biochemických technologií
issn	1615-9306
number of pages	22 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/jssc.201300657
http://localhost/t...ganizacniJednotka	22330

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