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Physicochemical properties and microbial control of chestnuts (Castanea sativa) coated with whey protein isolate, chitosan and alginate during storage

2020Journal article Open access
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dc.contributor.authorFernandes, Luana
dc.contributor.authorPereira, Ermelinda
dc.contributor.authorFidalgo, Maria do Céu
dc.contributor.authorGomes, Auryo
dc.contributor.authorRamalhosa, Elsa
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-06-22T10:18:36Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-06-22T10:18:36Z
dc.date.issued2020
dc.description.abstractChestnuts (Castanea sativa Mill.) were subjected to three different coatings - chitosan, alginate and whey protein - and stored under refrigeration (0 °C, 90% HR) during 6 months. The shell color parameters a*, b* and C showed a tendency to decrease in all samples, while L* increased in alginate coated chestnuts. Application of coatings had no effect on moisture, water activity (aw), as well as in the color inside the fruit and texture parameters (maximum penetration force and hardness). On the contrary, acidity and total soluble solids increased during storage in coated samples. The chitosan coating reduced chestnuts microorganisms’ counts after 6 months of storage, compared to the control. In conclusion, chitosan coating improved the microbial quality of chestnuts, so it is a possible preservation alternative and an effective method to solve the problem of microbial growth in chestnuts throughout storage.
dc.description.sponsorshipThe authors acknowledge the financial support provided to ValorCast Project (PDR2020-101-032034), as part of a community initiative promoted by PDR2020 and co-financed by FEADER, within the Portugal 2020, and to the Tranfer+Castanha Project (NORTE-01- 0246-FEDER-000026), financed by the Program NORTE 2020 – SIAC. The authors are also grateful to FCT (Portugal) and FEDER under Program PT2020 for financial support to CIMO (UID/AGR/00690/ 2019).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationFernandes, Luana; Pereira, Ermelinda; Fidalgo, Maria do Céu; Gomes, Auryo; Ramalhosa, Elsa (2020). Physicochemical properties and microbial control of chestnuts (Castanea sativa) coated with whey protein isolate, chitosan and alginate during storage. Scientia Horticulturae. ISSN 0304-4238. 263, p. 1-8en_EN
dc.identifier.doi10.1016/j.scienta.2019.109105en_EN
dc.identifier.issn0304-4238
dc.identifier.urihttp://hdl.handle.net/10198/22317
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectChestnuten_EN
dc.subjectEdible coatingsen_EN
dc.subjectMicrobial countsen_EN
dc.subjectPostharvest qualityen_EN
dc.subjectStorage lifeen_EN
dc.titlePhysicochemical properties and microbial control of chestnuts (Castanea sativa) coated with whey protein isolate, chitosan and alginate during storageen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameFernandes
person.familyNamePereira
person.familyNameRamalhosa
person.givenNameLuana
person.givenNameErmelinda
person.givenNameElsa
person.identifier.ciencia-id1219-7C60-1311
person.identifier.ciencia-id3916-218E-1629
person.identifier.ciencia-id1A1D-FC05-A05D
person.identifier.orcid0000-0001-9377-2453
person.identifier.orcid0000-0002-9431-5059
person.identifier.orcid0000-0003-2503-9705
person.identifier.scopus-author-id35222107200
person.identifier.scopus-author-id6602978189
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication27b7ab18-734e-473d-b117-d2f5b2f35dc6
relation.isAuthorOfPublication9d6b3744-286d-42bc-b363-533450bdb07c
relation.isAuthorOfPublicationd74be6c0-1703-4f77-bd81-e289ec981ee3
relation.isAuthorOfPublication.latestForDiscovery9d6b3744-286d-42bc-b363-533450bdb07c

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