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Bioactive lipids of seaweeds from the Portuguese north coast: health benefits versus potential contamination

2021-06Journal article Open access
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dc.contributor.authorSoares, Cristina
dc.contributor.authorSousa, Sara
dc.contributor.authorMachado, Susana
dc.contributor.authorVieira, Elsa
dc.contributor.authorCarvalho, Ana P.
dc.contributor.authorRamalhosa, Maria João
dc.contributor.authorMorais, Simone
dc.contributor.authorCorreia, Manuela
dc.contributor.authorOliva-Teles, Teresa
dc.contributor.authorDomingues, Valentina F.
dc.contributor.authorDelerue-Matos, Cristina
dc.date.accessioned2021-07-08T12:01:25Z
dc.date.available2021-07-08T12:01:25Z
dc.date.issued2021-06
dc.description.abstractThe total lipid content and lipidic profile of seaweeds harvested in the North Coast and purchased in Portugal were determined in this paper. The amount of total lipids in the different species of seaweeds varied between 0.7 ± 0.1% (Chondrus crispus) and 3.8 ± 0.6% (Ulva spp.). Regarding the fatty acid content, polyunsaturated fatty acids (PUFA) ranged between 0–35%, with Ulva spp. presenting the highest amount; monounsaturated fatty acids (MUFA) varied between 19 and 67%; and saturated fatty acids (SFA) were predominant in C. crispus (45–78%) and Gracilaria spp. (36–79%). Concerning the nutritional indices, the atherogenicity index (AI) was between 0.4–3.2, the thrombogenicity index (TI) ranged from 0.04 to 1.95, except for Gracilaria spp., which had a TI of 7.6, and the hypocholesterolemic/hypercholesterolemic ratio (HH) values ranged between 0.88–4.21, except for Gracilaria spp., which exhibited values between 0.22–9.26. The n6/n3 ratio was below 1 for most of the species evaluated, except for Ascophyllum nodosum, which presented a higher value, although below 2. Considering the PUFA/SFA ratio, seaweeds presented values between 0.11–1.02. The polycyclic aromatic hydrocarbons (PAHs) and aliphatic hydrocarbons (AHCs) contamination of seaweeds under study was also quantified, the values found being much lower than the maximum levels recommended for foodstuff.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/foods10061366pt_PT
dc.identifier.eid85108644376
dc.identifier.issn2304-8158
dc.identifier.pmcPMC8231286
dc.identifier.pmid34204677
dc.identifier.urihttp://hdl.handle.net/10400.14/34106
dc.identifier.wos000665996500001
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAliphatic hydrocarbonspt_PT
dc.subjectFatty acidspt_PT
dc.subjectLipid profilept_PT
dc.subjectNutritional indicespt_PT
dc.subjectPolycyclic aromatic hydrocarbonspt_PT
dc.subjectSeaweeds nutritionpt_PT
dc.titleBioactive lipids of seaweeds from the Portuguese north coast: health benefits versus potential contaminationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue6pt_PT
oaire.citation.titleFoodspt_PT
oaire.citation.volume10pt_PT
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person.givenNameCristina
person.givenNameSara
person.givenNameSusana
person.givenNamevieira
person.givenNameAna
person.givenNameMaria João
person.givenNameSimone
person.givenNameManuela
person.givenNameValentina
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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