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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12710/29010
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dc.contributor.authorRudi, Ludmila
dc.contributor.authorPlîngău, Ecaterina
dc.contributor.authorMiscu, Vera
dc.date.accessioned2024-11-30T10:27:19Z
dc.date.available2024-11-30T10:27:19Z
dc.date.issued2024
dc.identifier.citationRUDI, Ludmila; PLÎNGĂU, Ecaterina; MISCU, Vera. Haematococcus pluvialis derived astaxanthin – a powerful bio-active compound for vegetable oils. In: One Health & Risk Management. 2024, vol. 5, no. 4, p. 4-12. ISSN 2587-3466. DOI: 10.38045/ohrm.2024.4.01en_US
dc.identifier.issn2587-3458
dc.identifier.issn2587-3466
dc.identifier.urihttps://journal.ohrm.bba.md/index.php/journal-ohrm-bba-md/article/view/772
dc.identifier.uri10.38045/ohrm.2024.4.01
dc.identifier.urihttp://repository.usmf.md/handle/20.500.12710/29010
dc.description.abstractIntroduction.The beneficial effects on health result from the protective action of astaxan-thin, (AXT) apowerful antioxidant capable of scavenging free radicals and protecting cells from oxidative stress. The study aimed to evaluate the protective role of astaxanthin derived from Haematococcus pluvialis in reducing the thermal oxidation of fatty acids in vegetable oils. Material and methods.Astaxanthin, obtained by extraction from the biomass of Haemato-coccus pluvialis, at a concentration of 0.26-0.29 mg/mL, was added to olive, sunflower, al-mond, walnut, sesame, and poppy seed oils. The progression of oxidation was monitored based on the formation of conjugated dienes. The formation of conjugated dienes was moni-tored spectrophotometrically. Results. Astaxanthin reduced the content of conjugated dienes in sesame, almond, and wal-nut oils by 30-34%. A strong antioxidant effect of AXT was noted in the case of poppy seed oil, for which the formation of conjugated dienes was decreased by 42% and the oxidation was delayed by 60 min when exposed to high temperatures compared to native oil. For sunflower oil, which exhibited a high degree of thermal oxidation, addition of AXT reduced the for-mation of conjugated dienes by 22% during the experiment. Conclusions.Astaxanthin from Haematococcus pluvialis significantly reduced the formation of conjugated dienes, indicating that it does not act as a prooxidant in various vegetable oils.en_US
dc.description.abstractIntroducere.Beneficiile astaxantinei (AXT) pentru sănătate rezultă din acțiunea sa protec-toare. Acest antioxidant puternic neutralizează radicalii liberi și protejează celulele împo-triva stresului oxidativ. Studiul a avut ca scop evaluarea rolului protector al astaxantinei, obținute din Haematococcus pluvialis, în reducerea efectelor oxidării termice asupra acizilor grași din uleiurile vegetale.Material și metode. Astaxantina, obținută prin extragere din biomasa de Haematococcus pluvialis, a fost adăugată la uleiurile: de măsline, floarea-soarelui, migdale, nuci, susan și de mac în concentrația de 0,26-0,29 mg/ml. Evoluția procesului oxidativ a fost monitorizată în baza formării dienelor conjugate. Formarea dienelor conjugate a fost înregistrată spectro-fotometric.Rezultate. Astaxantina a redus cu 30-34% conținutul dienelor conjugate în uleiurile de susan, migdale și de nuci. Astaxantina a demonstrat un efect antioxidant semnificativ pentru uleiul de mac, expus temperaturilor înalte, diminuând formarea dienelor conjugate cu 42% și amânând oxidarea cu 60 de minute, în comparație cu uleiul netratat. Pentru uleiul de floarea-soarelui, care a prezentat un grad ridicat de oxidare termică, adăugarea de AXT a redus formarea dienelor conjugate cu 22%.Concluzii. Astaxantina derivată din Haematococcus pluvialis a redus semnificativ formarea dienelor conjugate în diverse uleiuri vegetale, indicând lipsa efectului prooxidant.en_US
dc.language.isoenen_US
dc.publisherAsociația de Biosiguranță și Biosecuritate din Republica Moldovaen_US
dc.relation.ispartofOne Health & Risk Managementen_US
dc.subjectastaxanthinen_US
dc.subjecthaematococcus pluvialisen_US
dc.subjectbioactive compounden_US
dc.subjectantioxidanten_US
dc.subjectvegetable oilen_US
dc.subjectconjugated dienesen_US
dc.subject.ddcCZU:582.263:577.1:665.3en_US
dc.titleHaematococcus pluvialis derived astaxanthin – a powerful bio-active compound for vegetable oilsen_US
dc.title.alternativeAstaxantina derivată din haematococcus pluvialis –un puternic compus bioactiv pentru uleiurile vegetaleen_US
dc.typeArticleen_US
Appears in Collections:One Health & Risk Management Vol. 5 No 4, 2024



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