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Inicio  /  Agronomy  /  Vol: 14 Par: 1 (2024)  /  Artículo
ARTÍCULO
TITULO

Polyphenolic Compounds and Antioxidant Capacity in Native Maize of the Sierra Gorda of Querétaro

Ana Angélica Feregrino-Pérez    
Adán Mercado-Luna    
Carlos Alberto Murillo-Cárdenas    
Rosalinda González-Santos    
Jorge Luis Chávez-Servín    
Angel Félix Vargas-Madriz and Eduardo Luna-Sánchez    

Resumen

Maize is part of the traditional diet of Mexico and other Latin American countries. The diverse varieties of maize produced by adaptation to different regions and climates are known as creole or native maize. The characteristics and nutritional contributions of each of these native maize are relatively diverse areas of study. This work specifically analyzes the nutritional aspects of creole maize grown in the Sierra Gorda in Querétaro. For this, a proximal chemical analysis was carried out, with a quantification of polyphenolic compounds and antioxidant capacities using the ABTS (2,20-azinobis (3-ethyl-benzothiazolin,6-sulfonic acid) and DPPH (2,2-difenil-1-picrilhidrazilo) methods to examine four landraces and one commercial hybrid control. The results indicate that, in general, the landraces present similar?and, in some cases, higher?nutritional indices than the commercial hybrid. With regard to polyphenolic compounds, the Elotes Occidentales and Tuxpeño varieties present greater amounts of total phenols and antiradical activity (ARA), as well as a higher concentration of flavonoids and percentage inhibition, respectively. Condensed tannins are identified both in the creole varieties and in the commercial hybrid. Creole maize presents important nutritional characteristics and can be a good source of antioxidant compounds, which can help the population as a source of food and in the prevention of chronic diseases.

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