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Ergosteryl Ester

We provide MS-based lipid analysis of EE sterols in yeast samples and deliver results in as little as two weeks.
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Details

Sterol Lipids
Lipid Category
Ergosterol Lipids
Lipid Group
Ergosteryl Ester
Lipid Class

About the structure and biological function of EE

Structure. Ergosteryl esters (ergosterol esters, or EE) belong to the group of ergosterol lipids within the sterol lipids. Their structure consists of ergosterol where an ester bond is formed between the hydroxyl group of the steroid structure and a fatty acid. The fatty acid can be of variable length, hydroxylated, and contain double bonds.

Function. The biological function of ergosteryl esters revolves mainly around ergosterol storage in yeast. During growth retarding conditions but also after fungal death, ergosterol is esterified and stored in cellular lipid droplets. Once esterified, the fatty acids of the ergosteryl esters are not scavenged even during starvation conditions. Further, some ergosteryl esters also show strong growth inhibitory activity against dairy and cosmetic spoilage bacteria.

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EE lipidomics analysis with
Lipotype

Structural detailsspecies level
Variants identified > 25
Approachuntargeted
Methodmass spectrometry
DeviceQ Exactive Orbitrap (280.000 Res)
Quantificationyes
Delivery time2-4 weeks
Lipidomics datapmol & mol%
Figuresincluded
1Yeast includes:
CDP-DAG, IPC, MIPC, M(IP)2C, Erg, EE

EXAMPLE STRUCTURE
EE

An example for the molecular structure of ergosteryl ester, specifically EE 16:1;0.

EXAMPLE
EE 16:1;0

An example for the molecular structure of ergosteryl ester, specifically EE 16:1;0.

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EE
analysis?

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Categories

Fatty Acyls Glycerolipids Phospholipids Sphingolipids Sterol Lipids Prenol Lipids

Groups

Fatty Acids Fatty Aldehydes Fatty Esters Fatty Amides Heptadecanoids Octadecanoids Eicosanoids Docosanoids Glycerol Esters Ester Phospholipids Ether Phospholipids Diphospha­tidyl­glycerols CDP-Glycerols Sphingoid Bases Ceramide Lipids Cerebrosides Diglycosyl­ceramides Phospho­sphingolipids Gangliosides Globosides Sulfoglyco­sphingolipids Cholesterol Lipids Ergosterol Lipids Isoprenoids Quinones

Classes

FFA BCFA SCFA MCFA LCFA VLCFA oxiFAL WE CAR NAE oxiHTrE oxiOME oxiODE oxiOTrE Pgd LT TX LX IsoP RvE oxiEDE oxiETrE oxiETE oxiEPE MaR RvD PD oxiDPA oxiDHA TAG DAG MAG PA PC PE PG PI PS LPA LPC LPE LPG LPI LPS BMP PC O- PE O- LPC O- LPE O- CL CDP-DAG Sph dhSph SphP dhSphP GlcSph GalSph Cer CerP dhCer doxCer EOdS EOS EOP EOH NdS NS NP NH AdS AS AP AH HexCer GlcCer GalCer DiHexCer LacCer SM CerPE IPC MIPC M(IP)2C GM1 GM2 GM3 GM4 GD1 GD2 GD3 GT1 GT2 GT3 GQ1 Gb3 Gb4 Sulf Chol CE oxiChol Lano Desm Lath Erg EE C10T C15T Sqe oxiSqe UQ
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