- -

Stability of biocontrol products carrying Candida sake CPA-1 in starch derivatives as a function of water activity

RiuNet: Institutional repository of the Polithecnic University of Valencia

Share/Send to

Cited by

Statistics

Stability of biocontrol products carrying Candida sake CPA-1 in starch derivatives as a function of water activity

Show simple item record

Files in this item

dc.contributor.author Marín-Gozalbo, Anna es_ES
dc.contributor.author Atarés Huerta, Lorena María es_ES
dc.contributor.author Cháfer Nácher, María Teresa es_ES
dc.contributor.author Chiralt, A. es_ES
dc.date.accessioned 2017-07-10T10:13:37Z
dc.date.available 2017-07-10T10:13:37Z
dc.date.issued 2017
dc.identifier.issn 0958-3157
dc.identifier.uri http://hdl.handle.net/10251/84838
dc.description.abstract [EN] The preservation and shelf-life of formulations of the biocontrol agent Candida sake CPA-1 and starch derivatives as a function of water activity (aW) were studied in terms of the physical stability of the products and cell viability. Formulations of biocontrol products (BCPs), based on combinations of potato starch and pregelatinised potato starch (F1 and F2) or maltodextrines (MD) (F3) containing cell protectants, were obtained by fluidised-bed drying. The carriers and the formulated products were stored at 20°C under different aW conditions. The water sorption and water plasticization behaviour of the different products were analysed through the water sorption isotherms and glass transition temperatures (Tg). Likewise, the viability of C. sake over time was determined as a function of the aW. The solubility of the products was also assessed. Although formulations stored at 20°C and low aW (≤ 0.33) exhibited a better shelf-life, a significant decrease in cell survival ratio after 180 storage days was observed. Cold storage (5°C) was required to better maintain the cell viability, thus prolonging the shelf-life of BCPs. Formulations containing MD were the most effective at preserving cell viability and also exhibited the highest water solubility. All the formulations were physically stable at ambient temperature; therefore, the cell stability is the critical point at which to establish both the aW levels and temperature during storage. Packaging the product using high water vapour barrier material and under cold storage would be necessary to ensure a high number of viable cells and an effective and competitive BCP es_ES
dc.description.sponsorship The authors are grateful to the Spanish Government for the financial support from the national project RTA2012-00067-C02 (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria, Spain and FEDER funds) and to the Conselleria d'Educacio of the Generalitat Valenciana, (Spain) for A. Marin's PhD grant. en_EN
dc.language Inglés es_ES
dc.publisher Taylor & Francis es_ES
dc.relation INIA/RTA2012-00067-C02 es_ES
dc.relation.ispartof Biocontrol Science and Technology es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Biocontrol products es_ES
dc.subject Candida sake es_ES
dc.subject Cell carriers es_ES
dc.subject Maltodextrine es_ES
dc.subject Starch es_ES
dc.subject Water plasticization es_ES
dc.subject Water sorption es_ES
dc.subject Cell viability es_ES
dc.subject.classification TECNOLOGIA DE ALIMENTOS es_ES
dc.title Stability of biocontrol products carrying Candida sake CPA-1 in starch derivatives as a function of water activity es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1080/09583157.2017.1279587
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Ingeniería de Alimentos para el Desarrollo - Institut Universitari d'Enginyeria d'Aliments per al Desenvolupament es_ES
dc.description.bibliographicCitation Marín-Gozalbo, A.; Atarés Huerta, LM.; Cháfer Nácher, MT.; Chiralt, A. (2017). Stability of biocontrol products carrying Candida sake CPA-1 in starch derivatives as a function of water activity. Biocontrol Science and Technology. 27(2):268-287. doi:10.1080/09583157.2017.1279587 es_ES
dc.description.accrualMethod Senia es_ES
dc.relation.publisherversion http://dx.doi.org/10.1080/09583157.2017.1279587 es_ES
dc.description.upvformatpinicio 268 es_ES
dc.description.upvformatpfin 287 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 27 es_ES
dc.description.issue 2 es_ES
dc.relation.senia 325331 es_ES
dc.identifier.eissn 1360-0478
dc.contributor.funder Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)
dc.contributor.funder Generalitat Valenciana (GV)


This item appears in the following Collection(s)

Show simple item record