Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments
Some olive cultivars and production regions around the world, although they may provide good quality olive oils, may not comply with the current commercial regulations establishing acceptable levels of sterols in extra virgin olive oils. The present study was driven by the hypothesis that olive grow...
| Autores principales: | , , , , , , , , , , , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2022
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/12907 https://www.sciencedirect.com/science/article/pii/S030442382200351X https://doi.org/10.1016/j.scienta.2022.111230 |
| _version_ | 1855485063741833216 |
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| author | Torres, Myriam Mariela Pierantozzi, Pierluigi Contreras Valentín, Ana Cibeles Stanzione, Vitale Tivani, Martin Mastio, Valerio Gentili, Luciana Searles, Peter Stoughton Brizuela, Magdalena Fernandez, Fabricio Toro, Alejandro Alberto Puertas, Carlos Marcelo Trentacoste, Eduardo Rafael Kiessling, Juan Roberto Mariotti, Roberto Mousavi, Soraya Bufacci, Marina Baldoni, Luciana Maestri, Damian |
| author_browse | Baldoni, Luciana Brizuela, Magdalena Bufacci, Marina Contreras Valentín, Ana Cibeles Fernandez, Fabricio Gentili, Luciana Kiessling, Juan Roberto Maestri, Damian Mariotti, Roberto Mastio, Valerio Mousavi, Soraya Pierantozzi, Pierluigi Puertas, Carlos Marcelo Searles, Peter Stoughton Stanzione, Vitale Tivani, Martin Toro, Alejandro Alberto Torres, Myriam Mariela Trentacoste, Eduardo Rafael |
| author_facet | Torres, Myriam Mariela Pierantozzi, Pierluigi Contreras Valentín, Ana Cibeles Stanzione, Vitale Tivani, Martin Mastio, Valerio Gentili, Luciana Searles, Peter Stoughton Brizuela, Magdalena Fernandez, Fabricio Toro, Alejandro Alberto Puertas, Carlos Marcelo Trentacoste, Eduardo Rafael Kiessling, Juan Roberto Mariotti, Roberto Mousavi, Soraya Bufacci, Marina Baldoni, Luciana Maestri, Damian |
| author_sort | Torres, Myriam Mariela |
| collection | INTA Digital |
| description | Some olive cultivars and production regions around the world, although they may provide good quality olive oils, may not comply with the current commercial regulations establishing acceptable levels of sterols in extra virgin olive oils. The present study was driven by the hypothesis that olive growing environments, differing in thermal regime conditions, affect squalene and sterol contents of olive fruits. On the basis of differences in agronomic characteristics and oil composition, two olive cultivars (Arbequina and Coratina) were selected and sampled at different fruit development stages. Various models were examined to look for relationships between
environmental thermal records and chemical parameters; those including the accumulated thermal time (ATT) and minimum temperatures showed the best fit. In both cultivars, the total and individual sterol contents were positively associated with ATT over all the fruit development and ripening period considered. In all cases, the data from Arbequina fit the models better than for Coratina and differences between cultivars in individual sterol contents were greater in the warmest growing environments. Overall, findings indicated a strong impact of the growing environment on squalene and sterol contents. Such an effect was associated with specific thermal characteristics of the olive growing sites; concentrations were found to be higher in the warmer northernmost sites than in the cooler southernmost ones. There was also an effect of the cultivar, particularly on the contents of β-sitosterol, campesterol and total sterols. These latter results suggest greater sensitivity of sterol metabolism to temperature in cv. Arbequina. |
| format | Artículo |
| id | INTA12907 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA129072022-09-19T10:16:18Z Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments Torres, Myriam Mariela Pierantozzi, Pierluigi Contreras Valentín, Ana Cibeles Stanzione, Vitale Tivani, Martin Mastio, Valerio Gentili, Luciana Searles, Peter Stoughton Brizuela, Magdalena Fernandez, Fabricio Toro, Alejandro Alberto Puertas, Carlos Marcelo Trentacoste, Eduardo Rafael Kiessling, Juan Roberto Mariotti, Roberto Mousavi, Soraya Bufacci, Marina Baldoni, Luciana Maestri, Damian Olea europaea Esteroles Control Ambiental Sterols Environmental Control Squalene Olivo Some olive cultivars and production regions around the world, although they may provide good quality olive oils, may not comply with the current commercial regulations establishing acceptable levels of sterols in extra virgin olive oils. The present study was driven by the hypothesis that olive growing environments, differing in thermal regime conditions, affect squalene and sterol contents of olive fruits. On the basis of differences in agronomic characteristics and oil composition, two olive cultivars (Arbequina and Coratina) were selected and sampled at different fruit development stages. Various models were examined to look for relationships between environmental thermal records and chemical parameters; those including the accumulated thermal time (ATT) and minimum temperatures showed the best fit. In both cultivars, the total and individual sterol contents were positively associated with ATT over all the fruit development and ripening period considered. In all cases, the data from Arbequina fit the models better than for Coratina and differences between cultivars in individual sterol contents were greater in the warmest growing environments. Overall, findings indicated a strong impact of the growing environment on squalene and sterol contents. Such an effect was associated with specific thermal characteristics of the olive growing sites; concentrations were found to be higher in the warmer northernmost sites than in the cooler southernmost ones. There was also an effect of the cultivar, particularly on the contents of β-sitosterol, campesterol and total sterols. These latter results suggest greater sensitivity of sterol metabolism to temperature in cv. Arbequina. EEA San Juan Fil: Torres, Myriam Mariela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Torres, Myriam Mariela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pierantozzi, Pierluigi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Pierantozzi, Pierluigi. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Contreras Valentín, Ana Cibeles. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Contreras Valentín, Ana Cibeles. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Stanzione, Vitale. National Research Council. Institute for Agricultural and Forest Systems of the Mediterranean; Italia Fil: Tivani, Martín. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Tivani, Martín. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Mastio, Valerio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Mastio, Valerio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Gentili, Luciana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Gentili, Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Searles, Peter. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Brizuela, Magdalena. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Fernández, Fabricio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Catamarca; Argentina. Fil: Toro, Alejandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cerro Azul; Argentina. Fil: Puertas, Carlos. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Junin; Argentina. Fil: Trentacoste, Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Junin; Argentina. Fil: Kiessling, Juan. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle. Agencia de Extensión Rural Centenario; Argentina. Fil: Mariotti, Roberto. National Research Council. Institute of Biosciences and Bioresources; Italia Fil: Mousavi, Soraya. National Research Council. Institute of Biosciences and Bioresources; Italia Fil: Bufacci, Marina. National Research Council. Institute for Agricultural and Forest Systems of the Mediterranean; Italia Fil: Baldoni, Luciana. National Research Council. Institute of Biosciences and Bioresources; Italia Fil: Maestri, Damian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Maestri, Damian. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina 2022-09-19T10:00:33Z 2022-09-19T10:00:33Z 2022-09-20 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/12907 https://www.sciencedirect.com/science/article/pii/S030442382200351X 0304-4238 https://doi.org/10.1016/j.scienta.2022.111230 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Scientia Horticulturae 303 : 111230 (September 2022) |
| spellingShingle | Olea europaea Esteroles Control Ambiental Sterols Environmental Control Squalene Olivo Torres, Myriam Mariela Pierantozzi, Pierluigi Contreras Valentín, Ana Cibeles Stanzione, Vitale Tivani, Martin Mastio, Valerio Gentili, Luciana Searles, Peter Stoughton Brizuela, Magdalena Fernandez, Fabricio Toro, Alejandro Alberto Puertas, Carlos Marcelo Trentacoste, Eduardo Rafael Kiessling, Juan Roberto Mariotti, Roberto Mousavi, Soraya Bufacci, Marina Baldoni, Luciana Maestri, Damian Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title | Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title_full | Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title_fullStr | Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title_full_unstemmed | Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title_short | Thermal regime and cultivar effects on squalene and sterol contents in olive fruits: Results from a field network in different Argentinian environments |
| title_sort | thermal regime and cultivar effects on squalene and sterol contents in olive fruits results from a field network in different argentinian environments |
| topic | Olea europaea Esteroles Control Ambiental Sterols Environmental Control Squalene Olivo |
| url | http://hdl.handle.net/20.500.12123/12907 https://www.sciencedirect.com/science/article/pii/S030442382200351X https://doi.org/10.1016/j.scienta.2022.111230 |
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