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Promising antioxidant and antimicrobial food colourants from Lonicera caerulea L. var. Kamtschatica

2019Journal article Open access
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dc.contributor.authorMolina, Adriana K.
dc.contributor.authorVega, Erika N.
dc.contributor.authorPereira, Carla
dc.contributor.authorDias, Maria Inês
dc.contributor.authorHeleno, Sandrina A.
dc.contributor.authorRodrigues, Paula
dc.contributor.authorFernandes, Isabel P.
dc.contributor.authorBarreiro, M.F.
dc.contributor.authorKostić, Marina
dc.contributor.authorSoković, Marina
dc.contributor.authorBarreira, João C.M.
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-01-06T14:09:59Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-01-06T14:09:59Z
dc.date.issued2019
dc.description.abstractLonicera caerulea L. (haskap) berries are widely known for their richness in anthocyanins. In this study, such fruits were assessed for their nutritional and chemical composition, but also as sources of anthocyanins with great colouring properties to be applied in foodstu . Haskap presented high levels of water, four free sugars (mainly fructose and glucose), five organic acids (mainly citric, malic, and quinic), - and -tocopherol, twenty fatty acids (with prevalence of linoleic acid), and eight phenolic compounds, among which six were anthocyanins (mainly cyanidin-3-O-glucoside). The extract presented great antioxidant properties, evaluated through TBARS and OxHLIA assays, as well as antimicrobial capacity against six bacteria and six fungi. Two colourants were obtained by spray-drying haskap juice with maltodextrin and a mixture of maltodextrin and arabic gum. These formulations were stable over 12 weeks of storage at room and refrigerated temperature, without significant variations in colour parameters and in anthocyanins concentration. They were considered safe for consumption once neither microbial contamination nor cytotoxicity in non-tumour cells were detected. The results obtained allow for the consideration of haskap as a promising source of colourants to be applied not only in the food industry, but also in other fields that rely on artificial colourants.
dc.description.sponsorshipThe authors are grateful to Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2019), and FCT/MCTES (PIDDAC) and FCT for financial support to LSRE-LCM (UID/EQU/50020/2019); national funding by FCT, P.I., through the institutional scientific employment program-contract for M.I. Dias, I.P.F., and L. Barros, and through the individual scientific employment program-contract for S.A. Heleno and J. Barreira; 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; to FEDER-Interreg España-Portugal programme for financial support through the project 0377_Iberphenol_6_E; the European Regional Development Fund (ERDF) through the Regional Operational Program North 2020, within the scope of Project NORTE-01-0145-FEDER-023289: DeCodE and project Mobilizador Norte-01-0247-FEDER-024479: ValorNatural®.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMolina, Adriana K.; Vega, Erika N.; Pereira, Carla; Dias, Maria Inês; Heleno, Sandrina A.; Rodrigues, Paula; Fernandes, Isabel P.; Barreiro, Maria Filomena; Kostić, Marina; Soković, Marina; Barreira, João C.M.; Barros, Lillian; Ferreira, Isabel C.F.R. (2019). Promising antioxidant and antimicrobial food colourants from Lonicera caerulea L. var. Kamtschatica. Antioxidants. ISSN 2076-3921. 8, p. 1-18en_EN
dc.identifier.doi10.3390/antiox8090394en_EN
dc.identifier.urihttp://hdl.handle.net/10198/20256
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationNORTE-01-0145-FEDER-023289
dc.subjectAnthocyaninsen_EN
dc.subjectAntimicrobialen_EN
dc.subjectAntioxidanten_EN
dc.subjectColouring formulationsen_EN
dc.subjectLonicera caerulea Len_EN
dc.titlePromising antioxidant and antimicrobial food colourants from Lonicera caerulea L. var. Kamtschaticaen_EN
dc.typejournal article
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