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Chemical characterization and bioactive properties of Impatiens Balsamina L. flowers

2021Documento de conferência Acesso aberto
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dc.contributor.authorPires Junior, Eleomar de O.
dc.contributor.authorCaleja, Cristina
dc.contributor.authorPereira, Eliana
dc.contributor.authorPereira, Carla
dc.contributor.authorDias, Maria Inês
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorGarcia, Carolina C.
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2022-02-01T17:08:54Z
dc.date.available2022-02-01T17:08:54Z
dc.date.issued2021
dc.description.abstractThere is a growing interest from the scientific community in studying edible flowers in what concerns their possible application at an industrial level, which may be justified by the presence of several compounds with bioactive properties [1]. The genus Impatiens comprises approximately 500 species of perennial herbs, which stand out for their attractive coloring capacity [2]. Given the growing consumers’ awareness regarding the safety and beneficial properties of natural additives, the food industry has been motivated to explore natural colorant ingredients, producing healthier foodstuff [3]. In this sense, the present study intends to chemically and nutritionally characterize Impatiens balsamina L. flowers, as well as their bioactive properties in order to evaluate their potential application in the food industry. The nutritional profile (ash, protein, fat, and carbohydrate content and energy value) was evaluated using official analysis methods (AOAC). The phenolic compounds were analyzed by HPLC-DAD-ESI/MS in the ethanolic extracts. Furthermore, the ethanolic extracts were also evaluated for their antioxidant potential by the inhibition of oxidative hemolysis (OxHLIA) assay; their cytotoxic capacity in four human tumor cell lines by the sulforhodamine B method; and finally, their anti-inflammatory potential in macrophage rat cells. The flowers presented a high-water content (94.97±0.08%), as expected, and proteins (0.32±0.01 g/100g fw) stood out as the major macronutrients. Fructose and glucose were the only sugars identified, with a total of 1.34±0.01g/100g fw, being fructose the most abundant one. Regarding the phenolic composition, 9 non-anthocyanin and 7 anthocyanin compounds were tentatively identified. Kaempherol-O-acetylhexoside-hexoside and malvidin-O-acetylhexoside-Odeoxyhexoside- hexoside were the main non-anthocyanin and anthocyanin compounds found, respectively. Moreover, the ethanolic extract revealed anti-inflammatory activity and cytotoxic capacity for all the tested cell lines. In conclusion, this study showed satisfactory results regarding the presence of bioactive compounds in the ethanolic extracts of Impatiens flowers. Therefore, a more in-depth study of the optimal conditions for the extraction of high added-value coloring compounds would be of great interest to evaluate the real potential of this plant to be used by the food industry.pt_PT
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UIDB/00690/2020); national funding by FCT, P.I., through the institutional scientific employment program-contract for L. Barros, R. Calhelha, M.I. Dias and C. Pereira’s contract though the celebration of program-contract foreseen in No. 4, 5 and 6 of article 23º of Decree-Law No. 57/2016, of 29th August, amended by Law No. 57/2017, of 19th July; research contract of C. Caleja (Project AllNatt, POCI- 01-0145-FEDER-030463) and of E. Pereira (Project Mobilizador Norte-01-0247-FEDER-024479: ValorNatural®); and to FEDERInterreg España-Portugal programme for financial support through the projects 0377_Iberphenol_6_E, TRANSCoLAB 0612_TRANS_CO_LAB_2_P and Green Health (Norte-01-0145-FEDER-000042).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPires Junior, Eleomar O.; Caleja, Cristina; Pereira, Eliana; Pereira, Carla; Dias, Maria Inês; Calhelha, Ricardo C.; Garcia, Carolina C.; Barros, Lillian; Ferreira, Isabel C.F.R. (2021). Chemical characterization and bioactive properties of Impatiens Balsamina L. flowers. In 7th Portuguese Young Chemists Meeting. ISBN 978-989-8124-31-0pt_PT
dc.identifier.isbn978-989-8124-31-0
dc.identifier.urihttp://hdl.handle.net/10198/24997
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationMountain Research Center
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectImpatiens Balsamina L.pt_PT
dc.subjectFood industrypt_PT
dc.titleChemical characterization and bioactive properties of Impatiens Balsamina L. flowerspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.citation.conferencePlaceonline editionpt_PT
oaire.citation.title7th Portuguese Young Chemists Meetingpt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCaleja
person.familyNamePereira
person.familyNamePereira
person.familyNameDias
person.familyNameCalhelha
person.familyNameBarros
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person.givenNameCristina
person.givenNameEliana
person.givenNameCarla
person.givenNameMaria Inês
person.givenNameRicardo C.
person.givenNameLillian
person.givenNameIsabel C.F.R.
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
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