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      Revalorización de las papas nativas de Bolivia (Solanum tuberosum L.) como fuente de hierro y zinc Translated title: Revaluation of landraces potatoes from Bolivia (Solanum tuberosum L.) as a source of iron and zinc

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          Abstract

          Fueron recolectados en campo de agricultores de 19 comunidades del Norte Potosí, La Paz y Cochabamba, 164 cultivares nativos de papa en los años 2012 y 2013, con el objetivo de determinar el contenido de hierro y zinc en tubérculos. Los análisis del contenido de hierro y zinc fueron realizados en el laboratorio del Instituto de Tecnología de Alimentos (I.T.A.) de la Universidad Mayor Real y Pontificia de San Francisco Xavier de Chuquisaca, mediante la técnica de absorción atómica (AA). Los resultados mostraron que las especies con mayor contenido de hierro y zinc fueron Solanum x ajanhuiri (2n=2x=24), S. Solanum goniocalyx (2n=2x=24) y S. stenotomum (2n=2x=24). Sin embargo, el análisis de medias mostró que los cultivares con más alto contenido de hierro fueron Sak’ampaya (ADG) con 14.50 mg.kg-1, Wila Surimana (STN) con 13.50 mg.kg-1, Khati Señorita (STN) con 12.10 mg.kg-1, Chilltu (STN) con 11.80 mg.kg-1, Imilla Negra (ADG) con 10.90 mg.kg-1, Yuraj Sak’ampaya (ADG) con 10.90 mg.kg-1, Sak’ampaya (ADG) con 10.80 mg.kg-1 y Pinta Boca (STN) con 9.80 mgkg-1. Para el contenido de zinc los contenido más altos fueron en los cultivares Yuraj Sak’ampaya (ADG) con 5.20 mg.kg-1, Kellu Zapallo (GON) con 4.80 mg.kg-1, Ajawiri (AJH) con 9.00 mg.kg-1, Pepino (STN) con 4.50 mg.kg-1, Candelero (STN) con 4.50 mg.kg-1 y Zapallo (GON) con 4.40 mg.kg-1. El análisis de correlación mediante la prueba de Pearson al Pr<0.05 de probabilidad mostró una correlación moderada, positiva y notable (r = 0.32) entre el contenido de hierro y zinc para todos los sitios donde se realizaron las colectas.

          Translated abstract

          In 19 communities’ farmer fields from Northern Potosi, La Paz and Cochabamba, 144 landraces potato were collected in the years 2012 and 2013, with the aim to determining the iron and zinc content in tubers. The content analysis of iron and zinc were performed in the Institute Food Technology (I.TA.) lab of the Royal and Pontifical San Francisco Xavier of Chuquisaca University, by using the technique of atomic absorption (AA). The results showed that species with higher content of iron and zinc were Solanum x ajanhuiri (2n = 2x = 24), S. Solanum goniocalyx (2n = 2x = 24) and S. stenotomum (2n = 2x = 24). However, the average analysis showed that cultivars with higher iron content were Sakampaya (ADG) con 14.50 mg.kg-1, Wila Surimana (STN) with 13.50 mg.kg-1, Khati Señorita (STN) with 12.10 mg.kg-1, Chilltu (STN) with 11.80 mg.kg-1, Imilla Negra (ADG) with 10.90 mg.kg-1, Yuraj Sak’ampaya (ADG) with 10.90 mg.kg-1, Sak’ampaya (ADG) with 10.80 mg.kg-1 and Pinta Boca (STN) with 9.80 mg.kg-1. For zinc content, the highest content were in cultivars Yuraj Sak’ampaya (ADG) with 5.20 mg.kg-1, Kellu Zapallo (GON) with 4.80 mg.kg-1, Ajawiri (AJH) with 9.00 mg.kg-1, Pepino (STN) with 4.50 mg.kg-1, Candelero (STN) with 4.50 mg.kg-1 and Zapallo (GON) with 4.40 mg.kg-1. Correlation analysis using Pearson's test at Pr<0.05 probability showed a moderate correlation, positive and notable (r = 0.32) between the iron and zinc content for all sites where collections were made.

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          Most cited references35

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          Biofortification—A Sustainable Agricultural Strategy for Reducing Micronutrient Malnutrition in the Global South

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            Human Vitamin and Mineral Requirements

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              Iron and zinc concentration of native Andean potato cultivars from a human nutrition perspective

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                jsars
                Journal of the Selva Andina Research Society
                J. Selva Andina Res. Soc.
                Órgano oficial de la:; SELVA ANDINA RESEARCH SOCIETY (La Paz, , Bolivia )
                2072-9294
                2014
                : 5
                : 1
                : 3-12
                Affiliations
                [03] orgnameVisión Mundial
                [01] Cochabamba orgnameFundación para la Promoción e Investigación de Productos Andinos (PROINPA) Bolivia j.gabriel@ 123456proinpa.org
                [02] La Paz orgnameALTAGRO Bolivia
                Article
                S2072-92942014000100002
                4158122f-573c-434f-a74f-3e0bd3e0f366

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : May 2014
                : July 2014
                : July 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 10
                Product

                SciELO Bolivia


                biodiversidad,nutrición,Species,micronutrients,cultivars,biodiversity,nutrition,Especies,micronutrientes,cultivares

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