Analysis of selected phenolic acids and flavonoids in Amaranthus cruentus and Chenopodium quinoa seeds and sprouts by HPLC

• Autorzy: Paśko P. , Sajewicz M. , Gorinstein S. , Zachwieja Z.
• Języki publikacji: EN

Abstrakty

EN

Red amaranth (Amaranthus cruentus) and quinoa (Chenopodium quinoa ) are pseudocereals with particularly highly regarded nutritional value. Because of the high biological significance of the flavonoids and phenolic acids in these plants, qualitative and quantitative analysis has been performed by HPLC. Extracts from the seeds of two amaranth varieties (A. cruentus v. Rawa and v. Aztek) and quinoa seeds, and their sprouts grown in natural conditions and in the dark were analyzed. The main phenolic acid found both in seeds and sprouts was gallic acid. p -Hydroxybenzoic acid, vanillic acid, p -coumaric acid, caffeic acid, and cinnamic acid were also found in the seeds and p -coumaric acid, syringic acid, and ferulic acid in the sprouts. The main flavonoid found in the sprouts was rutin. Vitexin, isovitexin, and morin were also detected in the sprouts, and orientin, vitexin, isovitexin, morin, and traces of hesperidin and neohesperidin in the seeds. Although sprouting conditions (daylight or darkness) had no effect on gallic acid content, light caused an increase in the amount of rutin and darkness resulted in increased amounts of isovitexin and vitexin.

Słowa kluczowe

EN

amaranth; quinoa; flavonoids; phenolic acids

• Wydawca: University of Silesia in Katowice ; Akademiai Kiado
• Czasopismo: Acta Chromatographica
• Rocznik: 2008
• Tom: Vol. 20, no. 4
• Strony: 661--672
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Paśko P.

autor

Sajewicz M.

autor

Gorinstein S.

autor

Zachwieja Z.

• The Jagiellonian University Department of Food Chemistry and Nutrition, School of Medicine 9 Medyczna Street 30-688 Kraków Poland Silesian University Institute of Chemistry 9 Szkolna Street 40-006 Katowice Poland The Hebrew University - Hadassah Medical,

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