A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition

The characterization of six varieties of native Andean potatoes with a wide biodiversity in tuber shape, flesh, and skin color was performed, through the determination of their proximate composition, mineral content, and phenolic profile. Minerals concentration revealed significant genotypic variati...

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Main Authors: Maria Bellumori, Nancy A. Chasquibol Silva, Laida Vilca, Luisa Andrenelli, Lorenzo Cecchi, Marzia Innocenti, Diletta Balli, Nadia Mulinacci
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/14/3169
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author Maria Bellumori
Nancy A. Chasquibol Silva
Laida Vilca
Luisa Andrenelli
Lorenzo Cecchi
Marzia Innocenti
Diletta Balli
Nadia Mulinacci
author_facet Maria Bellumori
Nancy A. Chasquibol Silva
Laida Vilca
Luisa Andrenelli
Lorenzo Cecchi
Marzia Innocenti
Diletta Balli
Nadia Mulinacci
author_sort Maria Bellumori
collection DOAJ
description The characterization of six varieties of native Andean potatoes with a wide biodiversity in tuber shape, flesh, and skin color was performed, through the determination of their proximate composition, mineral content, and phenolic profile. Minerals concentration revealed significant genotypic variation. Potassium was the most abundant element in all varieties, ranging from 7272.9 to 13,059.9 µg/g and from 12,418 to 17,388.6 µg/g dried weight for the flesh and skin samples, respectively. Iron content was relevant, ranging from 20.5 to 39.9 µg/g and from 112.2 to 288.8 µg/g dried weight in flesh and skin samples, respectively. Phenolic compounds were consistently higher in the skin than in the flesh. The total content varied greatly from 19.5 to 2015.3 µg/g and from 1592.3 to 14807.3 µg/g dried weight for flesh and skin tissues, respectively. 5-caffeoylquinic acid was 74% of the total phenolic acids. Different pattern of anthocyanins was found, depending on the color of the variety; the red genotypes contained predominantly pelargonidin derivatives, while the purple samples had petunidin as a major anthocyanidin. This study increases the knowledge of the composition of the local Andean varieties (which are only scarcely studied so far), helping to enhance these genotypes and the conservation of biodiversity.
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spelling doaj.art-dc1e4c4519e34a188e28d5cf1128beec2023-11-20T06:28:38ZengMDPI AGMolecules1420-30492020-07-012514316910.3390/molecules25143169A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic CompositionMaria Bellumori0Nancy A. Chasquibol Silva1Laida Vilca2Luisa Andrenelli3Lorenzo Cecchi4Marzia Innocenti5Diletta Balli6Nadia Mulinacci7Department of NEUROFARBA, University of Florence, Nutraceutical and Pharmaceutical section, via U. Schiff 6, Sesto F.no, 50019 Florence, ItalyCenter of Studies and Innovation of Functional Foods (CEIAF), Faculty of Industrial Engineering, Institute of Scientific Research, IDIC, University of Lima, Avda. Javier Prado Este, 4600 Surco, Lima 33, PeruCenter of Studies and Innovation of Functional Foods (CEIAF), Faculty of Industrial Engineering, Institute of Scientific Research, IDIC, University of Lima, Avda. Javier Prado Este, 4600 Surco, Lima 33, PeruDepartment of Agriculture, Food, Environment and Forestry University of Florence, Piazzale delle Cascine 18, 50144 Florence, ItalyDepartment of NEUROFARBA, University of Florence, Nutraceutical and Pharmaceutical section, via U. Schiff 6, Sesto F.no, 50019 Florence, ItalyDepartment of NEUROFARBA, University of Florence, Nutraceutical and Pharmaceutical section, via U. Schiff 6, Sesto F.no, 50019 Florence, ItalyDepartment of NEUROFARBA, University of Florence, Nutraceutical and Pharmaceutical section, via U. Schiff 6, Sesto F.no, 50019 Florence, ItalyDepartment of NEUROFARBA, University of Florence, Nutraceutical and Pharmaceutical section, via U. Schiff 6, Sesto F.no, 50019 Florence, ItalyThe characterization of six varieties of native Andean potatoes with a wide biodiversity in tuber shape, flesh, and skin color was performed, through the determination of their proximate composition, mineral content, and phenolic profile. Minerals concentration revealed significant genotypic variation. Potassium was the most abundant element in all varieties, ranging from 7272.9 to 13,059.9 µg/g and from 12,418 to 17,388.6 µg/g dried weight for the flesh and skin samples, respectively. Iron content was relevant, ranging from 20.5 to 39.9 µg/g and from 112.2 to 288.8 µg/g dried weight in flesh and skin samples, respectively. Phenolic compounds were consistently higher in the skin than in the flesh. The total content varied greatly from 19.5 to 2015.3 µg/g and from 1592.3 to 14807.3 µg/g dried weight for flesh and skin tissues, respectively. 5-caffeoylquinic acid was 74% of the total phenolic acids. Different pattern of anthocyanins was found, depending on the color of the variety; the red genotypes contained predominantly pelargonidin derivatives, while the purple samples had petunidin as a major anthocyanidin. This study increases the knowledge of the composition of the local Andean varieties (which are only scarcely studied so far), helping to enhance these genotypes and the conservation of biodiversity.https://www.mdpi.com/1420-3049/25/14/3169phenolic compoundsanthocyaninsneochlorogenic acidmineralsproximate compositionHPLC–DAD–MS analysis
spellingShingle Maria Bellumori
Nancy A. Chasquibol Silva
Laida Vilca
Luisa Andrenelli
Lorenzo Cecchi
Marzia Innocenti
Diletta Balli
Nadia Mulinacci
A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
Molecules
phenolic compounds
anthocyanins
neochlorogenic acid
minerals
proximate composition
HPLC–DAD–MS analysis
title A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
title_full A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
title_fullStr A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
title_full_unstemmed A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
title_short A Study on the Biodiversity of Pigmented Andean Potatoes: Nutritional Profile and Phenolic Composition
title_sort study on the biodiversity of pigmented andean potatoes nutritional profile and phenolic composition
topic phenolic compounds
anthocyanins
neochlorogenic acid
minerals
proximate composition
HPLC–DAD–MS analysis
url https://www.mdpi.com/1420-3049/25/14/3169
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