2024-03-29T11:11:59Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1498032021-10-27T08:51:45Zcom_10261_31891com_10261_2col_10261_31892
DIGITAL.CSIC
author
Castro-Gómez, Pilar
author
Holgado, Francisca
author
Rodríguez Alcalá, Luis M.
author
Montero, Olimpio
author
Fontecha, F. Javier
funder
Ministerio de Ciencia e Innovación (España)
2017-05-16T11:50:52Z
2017-05-16T11:50:52Z
2015
Food Analytical Methods 8(10): 2568-2580 (2015)
http://hdl.handle.net/10261/149803
10.1007/s12161-015-0150-6
http://dx.doi.org/10.13039/501100004837
Krill oil represents an interesting source of bioactive lipid components, being suitable as a functional ingredient. This oil is characterized by its high concentration of longchain
omega-3 fatty acids, especially eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). The contents of EPA and DHA were similar to those in fish oils, but with the
difference that almost the half are located in phospholipids (mainly phosphatidylcholine). This might explain its higher absorption and bioavailability. This highly unsaturated oil
maintains stable due to the presence of astaxanthin, a potent antioxidant, which assures the stability of the omega-3 fatty acids. However, there is lack of investigations reporting a deep comprehensive description of the krill oil (KO) lipid composition. The characterization includes new data of its neutral and polar components and the identification of triacylglycerols, diacylglycerols, and molecular species that has been done by different chromatographic techniques as gas chromatography–mass
spectrometry/flame ionization detector (GC-MS/FID), flash chromatography–evaporative light scattering detector (FC-ELSD), and HPLC-ELSD. Also phospholipid molecular
species by using ultraperformance liquid chromatography/quadruple-time-of-flight
mass spectrometry (UPLC/QToF-MS) have been determined.
eng
closedAccess
Lipid classes
Krill oil
Fatty acid
Phospholipid
Chromatography techniques
Comprehensive study of the lipid classes of krill oil by fractionation and identification of triacylglycerols, diacylglycerols, and phospholipid molecular species by sing UPLC/QToF-MS
artículo
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URL
https://digital.csic.es/bitstream/10261/149803/1/accesoRestringido.pdf
File
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42637ae8545636bc41605c1740a9a84e
15753
application/pdf
accesoRestringido.pdf