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Publisert 2006

Publikasjonsdetaljer

Tidsskrift : Journal of Agricultural and Food Chemistry , vol. 54 , p. 2253–2260–8 , 2006

Utgiver : American Chemical Society (ACS)

Internasjonale standardnummer :
Trykt : 0021-8561
Elektronisk : 1520-5118

Publikasjonstype : Vitenskapelig artikkel

Bidragsytere : Holtekjølen, Ann Katrin; Kinitz, C; Knutsen, Svein Halvor

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Kjetil Aune
Bibliotekleder
kjetil.aune@nofima.no

Sammendrag

Different barley varieties, consisting of hulled and hull-less types, of normal, waxy, and high amylose starch, as well as two-rowed and six-rowed types, were analyzed for their main proanthocyaniclins and bound phenolic acids. Variations in proanthocyanidin and phenolic acid contents were studied in different barley types as well as inter-relationships between the phytochemicals and polysaccharides. The main flavanols found in the analyzed barley varieties were two dimeric as well as four trimeric forms in addition to catechin. The total amount of flavanols ranged from 325 to 527 mu g/g of fresh weight of barley flour. No evident associations were found between variations in proanthocyanidin levels and different barley types. The total amount of phenolic acids ranged from 604 to 1346,mu g/g of fresh weight of barley flour, with ferulic acid as the dominating acid. The amount of phenolic acids varied according to occurrence or lack of hull, with significantly higher levels in the hulled varieties.

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