Journal
FOOD CHEMISTRY
Volume 129, Issue 1, Pages 131-138Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2011.04.044
Keywords
Amaranthus; Flavonoid; Phenolic acid; Principal component analysis; Seed; Variation; Secondary metabolite
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In a cultivation experiment 18 different Amaranthus genotypes were cultivated in parallel in Argentina, Mexico, Spain and two different locations in the Czech Republic. The ripe seeds were analysed for their content of 11 polyphenols and the variations among genotype, species and location were analysed by principal component analysis (PCA). The flavonoid, rutin, exhibited large variations with varying environmental conditions whereas the flavonoid, nicotiflorin, was affected less. Amaranthus hypochondriacus displayed the most stable content of polyphenols with a high end content of flavonoids. The variations between location/environmental condition were primarily described by the variations in the content of p-coumaric acid and protocatechuic acid in the seed samples. (C) 2011 Elsevier Ltd. All rights reserved.
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