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Isoflavones in chickpea (Cicer arietinum) protein concentrates

AuthorsMegías, Cristina ; Cortés-Giraldo, Isabel ; Alaíz Barragán, Manuel ; Vioque, Javier ; Girón-Calle, Julio
Cicer arietinum
Biochanin A
Protein concentrate
Grain legume
Issue DateMar-2016
CitationJournal of Functional Foods 21: 186-192 (2016)
AbstractThe isoflavones in chickpea concentrates were analysed and compared to the original flour. Protein concentrates were prepared by alkaline extraction and precipitation of protein at the isoelectric pH. HPLC analysis revealed that the concentrates were enriched in isoflavones. The concentration of total isoflavones was 45 and 10 µg/g in concentrates and flour, respectively. Isoflavones in flour were hydrolyzed to the corresponding aglycones during alkaline extraction. While hydrolyzable derivatives of biochanin A represent 90% (w/w) total isoflavones in flour (9 µg/g), biochanin A aglycone was the major isoflavone in concentrates (31 µg/g). Minor components were formononetin, genistein, and the flavonol kaempferol. Thus, chickpea protein concentrates represent an even better source of health-promoting isoflavones than the original chickpea.
Description28 Páginas; 3 Tablas; 4 Figuras
Publisher version (URL)http://dx.doi.org/10.1016/j.jff.2015.12.012
Appears in Collections:(IG) Artículos
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