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Revista fitotecnia mexicana
versión impresa ISSN 0187-7380
Resumen
SALINAS MORENO, Yolanda; GARCIA SALINAS, Carolina; COUTINO ESTRADA, Bulmaro y VIDAL MARTINEZ, Víctor A.. Content and type variability of anthocyanins in blue/purple colored grains of mexican maize populations. Rev. fitotec. mex [online]. 2013, vol.36, suppl., pp.285-294. ISSN 0187-7380.
This work analyzes current information on the content and characterization of anthocyanins from maize (Zea mays L.) grains, focusing on studies related to Mexican maize races. Anthocyanin content and type vary depending on color and location of the pigment in the grain structures. Magenta colored maize grains concentrate anthocyanins in the pericarp and the aleurone layer; blue/purple maize grain concentrate pigments only in the aleurone layer. Anthocyanin content in magenta grains is up to 10 fold richer than blue/purple grains. Chro-matographic anthocyanin profiles of magenta grain show the presence of 9 to 11 anthocyanins derivatives from cyanidin (73.3 to 75.7 %), pelargonidin (8.3 to 9.3 %) and peonidin (16.0 to 17.5 %). Blue/purple maize grain analysis shows similar profiles to magenta grain, with a marked presence of mono acylated derivatives of cyanidin. Most published information on anthocyanin characterization in maize grains originates from Andean purple or magenta grains, which are mainly used for pigment extraction. Only few studies on anthocyanin content use Mexican blue or blue/purple maize grains, and even fewer show their anthocyanin profile. Blue/purple maize grains are preferably employed in Mexico for preparation of diverse traditional dishes, thus it is appropriate to encourage studies that deeply explore variability in anthocyanin content and type in these maize grains.
Palabras llave : Zea mays; Mexican landraces; flavonoids; colored grains.