Chemical and Protein Characterization of Two Varieties of Chickpea (Cicer Arietinum): Costa 2004 and El Patrón
Selene Pascual-Bustamante | Juan Carlos Raya-Pérez | César Leobardo Aguirre-Mancilla | Juan Gabriel Ramírez Pimentel | María Gabriela Vargas-Martínez | María Andrea Trejo-Márquez
The objective of this study was to evaluate the chemical composition of two chickpea varieties, ‘Costa 2004’ and ‘El Patrón’, and to characterize their proteins to determine their technological potential for the food industry. For this purpose, chickpea samples of both varieties from the 2019 harvest region of Guanajuato, Mexico, were obtained and chemically characterized to determine the protein fractions using electrophoretic and amino acid profiling. The chickpea variety ‘Costa 2004’ contained 3% less protein and 7% less dietary fiber content than the variety ‘El Patrón’; whereas, the carbohydrate content of ‘Costa 2004’ was 4% greater. Additionally, the chickpeas demonstrated an antioxidant capacity ranging from 319 to 387 µMET/g and total phenol levels exceeding 500 mg/g. Among the protein fractions, globulins represented the highest proportion in both varieties of chickpea, at approximately 8.73 g/100 g (‘Costa 2004’) and 10.42 g/100 g (‘El Patrón’), followed by albumin, at approximately 1.24 g/100 g and 1.47 g/100 g, respectively. The chickpea proteins ranged in molecular weight between 100 and 25 kDa, with particularly strong signals in the albumin and globulin bands. Regarding the amino acid profile, histidine was predominant in both varieties. In conclusion, both varieties of chickpea have high nutritional value and broad potential for technological use in the food industry.
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