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Honey potentiating antioxidant and cytotoxic properties of hepatoprotective plants infusions

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dc.contributor.authorPereira, Carla
dc.contributor.authorBarreira, João C.M.
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorQueiroz, Maria João R.P.
dc.contributor.authorVilas-Boas, Miguel
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2015-11-11T10:51:21Z
dc.date.available2015-11-11T10:51:21Z
dc.date.issued2015
dc.description.abstractThe enormous variety of phytochemicals present in plants hás positioned them as an invaluable source of medicines for humans. Moreover, their beneficiai effects seem to be improved in combinations of herbal remedies due to synergistic effects between different plants in comparison to the additive activity ofthe plants present in those mixtures (Pereira et al., 2014). In addition, honey, a supersaturated sugar solution produced by honey bees from nectar of different plants, possesses a valued place in traditional medicine, with wellreported antioxidant, antitumor, hepatoprotective, antiviral, antibacterial, antifüngal and immunostimulant properties (Molan, 2002). With that in mind, and since the information regarding the effects of plant infusions added with honey is rather scarce, in the present study we aimed to exploit the possible synergism between mixtures ofhoney and infüsions of three medicinal plants (artichoke, bomtutu and milk thistle, either as single plant or as combinations of two and three species), with regará to their antioxidant activity and hepatotoxicity. For that purpose, the antioxidant activity was evaluated by comparing the results fi-om different assays (radicais scavenging activity, reducing power, and lipid peroxidation inhibition), and the hepatotoxicity was assessed in HepG2 tumour cell line and in a non-tumour liver cells primary culture. The results were compared by analysis of variance and linear discriminant analysis. With the addition of honey to the infiisions, an increased antioxidant activity was verifíed independently ofusing one, two or three plants based infüsions, potentiating their effects in every single cases (except P-carotene bleaching inhibition for artichoke+milk thistle+honey preparation). The preparations containing honey revealed lower toxicity in HepG2 cell lines, with the exception of artichoke+honey preparation and none of the samples (except the honey solution) was hepatotoxic in the assays carried on PLP2 cells. Moreover, from the discriminant linear analysis output, it was possible to conclude that the effect of honey addition overcame that resulting from using single plant or mixed plants based infúsions. The enhanced antioxidant activity coupled to the lower hepatotoxicity showed by formulations containing honey might be helpfül to define the most suitable practice in terms of infüsions preparation.pt_PT
dc.identifier.citationPereira, Carla; Barreira, João C.M.; Calhelha, Ricardo C.; Queiroz, Maria João R.P.; Vilas-Boas, Miguel; Barros, Lillian; Ferreira, Isabel C.F.R. (2015). Honey potentiating antioxidant and cytotoxic properties of hepatoprotective plants infusions. In 5th MoniQA International Conference 2015. Porto. ISBN 978-3-9504109-0-7pt_PT
dc.identifier.isbn978-3-9504109-0-7
dc.identifier.urihttp://hdl.handle.net/10198/12319
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMedicinal plantspt_PT
dc.subjectAntioxidant activitypt_PT
dc.subjectHepatotoxicitypt_PT
dc.subjectSynergismpt_PT
dc.subjectLinear discriminant analysispt_PT
dc.titleHoney potentiating antioxidant and cytotoxic properties of hepatoprotective plants infusionspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.title5th MoniQA International Conference 2015, Food and Helath- Risks and beneffitspt_PT
person.familyNamePereira
person.familyNameBarreira
person.familyNameCalhelha
person.familyNameVilas-Boas
person.familyNameBarros
person.familyNameFerreira
person.givenNameCarla
person.givenNameJoão C.M.
person.givenNameRicardo C.
person.givenNameMiguel
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier1415151
person.identifier1693134
person.identifier469085
person.identifier144781
person.identifier.ciencia-idEF10-2739-2B70
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person.identifier.ciencia-id9616-35CB-D001
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person.identifier.orcid0000-0003-0093-771X
person.identifier.orcid0000-0003-1233-0990
person.identifier.orcid0000-0002-6801-4578
person.identifier.orcid0000-0002-8665-5280
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridK-1629-2016
person.identifier.ridD-8269-2013
person.identifier.ridJ-2172-2014
person.identifier.ridI-5949-2013
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id55627876424
person.identifier.scopus-author-id54895546900
person.identifier.scopus-author-id6507978333
person.identifier.scopus-author-id6602648497
person.identifier.scopus-author-id35236343600
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rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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