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Open AccessArticle

Analysis of Environmental Conditions Effect in the Phytochemical Composition of Potato (Solanum tuberosum) Cultivars

1
Department of Nutrition and Quality, National Institute of Agricultural Research (INIAP), Panamericana Sur Km. 1, Mejia 170516, Ecuador
2
Facultad de Ciencias Pecuarias, Ingeniería en Alimentos, Universidad Técnica Estatal de Quevedo, Km 7 1/2 vía Quevedo-El Empalme, Los Ríos 120313, Ecuador
3
Departamento de Agronomía, Biotecnología y Alimentación, Edificio Los Olivos, Campus Arrosadia, Universidad Pública de Navarra (UPNA), Pamplona 31006, Espana
4
Department of Research, Universidad Técnica de Babahoyo, Av. Universitaria Km 21/2 Av. Montalvo., Babahoyo 120301, Ecuador
*
Author to whom correspondence should be addressed.
Plants 2020, 9(7), 815; https://doi.org/10.3390/plants9070815
Received: 7 June 2020 / Revised: 23 June 2020 / Accepted: 24 June 2020 / Published: 29 June 2020
Crop productivity and food quality are affected by environmental conditions. The objective of this work was to evaluate the effect of the environment on the concentration of phytochemical components in several potato (Solanum tuberosum) cultivars. The content of vitamin C (ascorbic acid, AA), the total carotenoids content (TCC), the total polyphenols content (TPC), and the total anthocyanins content (TAC) of 11 potatoes varieties grown in Ecuador (Cutuglahua, Pujilí, and Pilahuín) was measured by the spectrophotometric method. The antioxidant capacity (AC) of potato cultivars was evaluated by the ABTS method. The AA concentration ranged between 12.67 to 39.49 mg/100g fresh weight (FW), the TCC ranged between 50.00 and 1043.50 μg/100g FW, the TPC ranged between 0.41 and 3.25 g of gallic acid equivalents (GAE)/kg dry weight (DW), the TAC ranged between 2.74 and 172.53 μg/g FW and finally the AC ranged between 36.80 and 789.19 μg of trolox equivalents (TE)/g FW. Genotypes (G), location (L), and interaction (G x L) were significant at p < 0.01. The genotype (G) showed a greater variation in the phytochemical contents. AA and TPC showed the highest correlation with the AC. A selection of genotypes with these characteristics can be used to develop germplasms with a high AC. View Full-Text
Keywords: potato; Solanum tuberosum; genotype; environments; antioxidant capacity potato; Solanum tuberosum; genotype; environments; antioxidant capacity
MDPI and ACS Style

Samaniego, I.; Espin, S.; Cuesta, X.; Arias, V.; Rubio, A.; Llerena, W.; Angós, I.; Carrillo, W. Analysis of Environmental Conditions Effect in the Phytochemical Composition of Potato (Solanum tuberosum) Cultivars. Plants 2020, 9, 815.

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