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Phyton (Buenos Aires)

versión On-line ISSN 1851-5657

Resumen

JIMENEZ-JUAREZ, JA; ARAMBULA-VILLA, G; DE LA CRUZ-LAZARO, E  y  APARICIO-TRAPALA, MA. Alkaline cooking and tortilla quality in maize grains from the humid, tropical lands of Mexico. Phyton (B. Aires) [online]. 2015, vol.84, n.1, pp.1-7. ISSN 1851-5657.

Abstract. Maize (Zea mays L.) tortilla is the major staple food for the Mexican population. Nine tropical maize genotypes were evaluated. All samples had white grains, a common characteristic in tropical maize, and therefore they were appropriate for nixtamalized four industry. Grain, four, masa and tortilla characteristics of each maize genotype were evaluated. Length, width, thickness, weight of 1000 grains and hardness of grain were determined. Moisture content, proteins, fat, ash, mean particle size, water absorption index, enthalpy, and four temperature were also evaluated. Adhesiveness and cohesiveness were evaluated in masa. Moisture content, protein, capacity to puf up, roll making, tension and cutting strength were determined in tortillas. There were significant differences (p=0.05) in most of the evaluated characteristics. Grain length values varied between 9.26 and 11.02 mm for populations 23 and 22, respectively. Grain hardness oscillated between 11.17 (population 32) and 14.75 (landrace Mejen). According to the weight of 1000 grains most genotypes had small grains. The minimum and maximum moisture values of four and tortillas were 8.33-9.99% and 46.20-50.36%, respectively. The texture of tortillas elaborated from population 32 and landrace Mejen had the lowest tension and cutting strength, resulting the best genotypes for making tortilla.

Palabras clave : Zea mays L; Grain physical characteristics; Maize four; Masa; Tortilla.

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