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Hemiselmis andersenii and Chlorella stigmatophora as new sources of high‐value compounds: a lipidomic approach

2020Journal article Open access
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dc.contributor.authorFernandes, Tomásia
dc.contributor.authorCordeiro, Nereida
dc.date.accessioned2021-04-15T08:46:58Z
dc.date.available2021-04-15T08:46:58Z
dc.date.issued2020
dc.description.abstractTo unlock the potential of Chlorella stigmatophora (Trebouxiophyceae, Chlorophyta) and Hemiselmis andersenii (Cryptophyceae, Cryptophyta) as natural reactors for biotechnological exploitation, their lipophilic extracts were characterized using Fourier Transform Infrared spectroscopy with Attenuated Total Reflectance (FTIR-ATR) and Gas Chromatography-Mass Spectrometry (GC-MS) before and after alkaline hydrolysis. The GC-MS analysis enabled the identification of 62 metabolites-namely fatty acids (27), aliphatic alcohols (17), monoglycerides (7), sterols (4), and other compounds (7). After alkaline hydrolysis, monounsaturated fatty acids increased by as much as 87%, suggesting that the esterified compounds were mainly neutral lipids. Hemiselmis andersenii yielded the highest Σω3/Σω6 ratio (7.26), indicating that it is a good source of ω3 fatty acids, in comparison to C. stigmatophora (Σω3/Σω6 = 1.24). Both microalgae presented significant amounts of aliphatic alcohols (6.81-10.95 mg · g dw-1 ), which are recognized by their cholesterol-lowering properties. The multivariate analysis allowed visualization of the chemical divergence among H. andersenii lipophilic extracts before and after alkaline hydrolysis, as well as species-specific differences. Chlorella stigmatophora showed to be a valuable source of essential fatty acids for nutraceuticals, whereas H. andersenii, due to its high chemical diversity, seems to be suitable for different fields of application.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, T., & Cordeiro, N. (2020). Hemiselmis andersenii and Chlorella stigmatophora as new sources of high‐value compounds: a lipidomic approach. Journal of Phycology, 56(6), 1493-1504.pt_PT
dc.identifier.doi10.1111/jpy.13042pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3288
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectChlorella stigmatophorapt_PT
dc.subjectHemiselmis anderseniipt_PT
dc.subjectGC-MSpt_PT
dc.subjectLipophilic fractionpt_PT
dc.subjectMicroalgaept_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleHemiselmis andersenii and Chlorella stigmatophora as new sources of high‐value compounds: a lipidomic approachpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1504pt_PT
oaire.citation.issue6pt_PT
oaire.citation.startPage1493pt_PT
oaire.citation.titleJournal of Phycologypt_PT
oaire.citation.volume56pt_PT
person.familyNameGomez Fernandes
person.familyNamecordeiro
person.givenNameTomásia Micaela
person.givenNamenereida
person.identifier1612636
person.identifier.ciencia-id521A-0F62-EA39
person.identifier.orcid0000-0002-6157-4177
person.identifier.orcid0000-0001-6006-3415
person.identifier.ridO-2253-2019
person.identifier.scopus-author-id7004319456
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication20d4c5e3-ad4b-44a9-bb85-a1bcfbc60ef0
relation.isAuthorOfPublication3d02b657-c48c-4f56-813a-1284b81960f3
relation.isAuthorOfPublication.latestForDiscovery20d4c5e3-ad4b-44a9-bb85-a1bcfbc60ef0

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