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Quality assessment of Portuguese monofloral honeys. Physicochemical parameters as tools in botanical source differentiation

2022Journal article Open access
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dc.contributor.authorMachado, Alexandra M.
dc.contributor.authorTomás, Andreia
dc.contributor.authorRusso-Almeida, Paulo
dc.contributor.authorDuarte, Aida
dc.contributor.authorAntunes, Marília
dc.contributor.authorVilas-Boas, Miguel
dc.contributor.authorMiguel, Maria da Graça
dc.contributor.authorFigueiredo, Ana Cristina
dc.date.accessioned2022-07-27T08:59:25Z
dc.date.available2022-07-27T08:59:25Z
dc.date.issued2022
dc.description.abstractThe quality evaluation and physicochemical parameters assessment of Portuguese monofloral honeys were performed. Fifty-one monofloral honeys were collected from several regions from mainland Portugal, and from the Azores islands, producer labelled as carob tree (n = 5), chestnut (n = 2), eucalyptus (n = 5), bell heather (n = 6), incense (n = 4), lavender (n = 8), orange (n = 9), rape (n = 2), raspberry (n = 2), rosemary (n = 1), sunflower (n = 3), and strawberry tree (n = 4). Pollen analysis and microbiological safety were evaluated, and the parameters such as colour index, moisture content, electrical conductivity, hydroxymethylfurfural, pH, free and total acidity, diastase activity, proline, and sugar profile were assessed for physicochemical characterization, in all 51 monofloral honeys. After melissopalynological examination, the honeys were either confirmed as monofloral, or classified as multifloral with predominance of a specific pollen type or multifloral. Microbiological analysis showed that honeys were safe for human consumption. Pairwise comparisons of physicochemical parameters, using only honey types with n ≥ 3, revealed significant differences between honey types. Despite some homogeneity in sugar profile among honeys, eucalyptus honey was significantly different in glucose, maltose and maltulose content compared to incense, orange and sunflower honeys, and also exhibited a higher isomaltose amount compared to all analyzed honeys. Electrical conductivity, colour index, free and total acidity, and diastase activity showed significant differences between the analyzed honeys, indicating that these parameters may provide an additional tool in monofloral honey identification.pt_PT
dc.description.sponsorshipThis study was partially supported by FCT/MCTES through national funds, under CESAM UIDP/50017/2020 + UIDB/50017/2020 + LA/P/ 0094/2020, CIMO UID/AGR/00690/2020, CEAUL UIDB/00006/2020, MED UIDB/05183/2020, FEDER, PT2020 PACompete 2020.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMachado, Alexandra M.; Tomás, Andreia; Russo-Almeida, Paulo; Duarte, Aida; Antunes, Marília; Vilas-Boas, Miguel; Miguel, M. Graça; Figueiredo, A. Cristina (2022). Quality assessment of Portuguese monofloral honeys. Physicochemical parameters as tools in botanical source differentiation. Food Research International. ISSN 0963-9969. 157, p. 1-14pt_PT
dc.identifier.doi10.1016/j.foodres.2022.111362pt_PT
dc.identifier.eissn1873-7145
dc.identifier.issn0963-9969
dc.identifier.urihttp://hdl.handle.net/10198/25752
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationLA/P/0094/2020pt_PT
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre of Statistics and its Applications
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPortuguese monofloral honeyspt_PT
dc.subjectPhysicochemical parameterspt_PT
dc.subjectBotanical sourcept_PT
dc.subjectDifferentiationpt_PT
dc.titleQuality assessment of Portuguese monofloral honeys. Physicochemical parameters as tools in botanical source differentiationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre of Statistics and its Applications
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50017%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50017%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05183%2F2020/PT
oaire.citation.startPage111362pt_PT
oaire.citation.titleFood Research Internationalpt_PT
oaire.citation.volume157pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameTomás
person.familyNameVilas-Boas
person.givenNameAndreia
person.givenNameMiguel
person.identifier1693134
person.identifier.ciencia-id1C1B-8981-E49E
person.identifier.ciencia-idA918-C6FF-81A4
person.identifier.orcid0000-0002-8665-5280
person.identifier.ridI-5949-2013
person.identifier.scopus-author-id6602648497
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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