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Antioxidant Activity and Phenolic Content of Oat as Affected by Cultivar and Location

Cheryld L. Emmonsa and David M. Peterson*,b

a Division of Biology, Alfred University, Alfred, NY 14802
b USDA-ARS Cereal Crops Research Unit, 501 Walnut Street, Madison, WI 53705 and Department of Agronomy, University of Wisconsin-Madison



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Fig. 1. Concentrations of the avenanthramides A, B, and C (AVA, AVB, and AVC) for three oat cultivars grown at Arlington (ARL) and Sturgeon Bay (SBY) in 1998, 1999, and 2000. (A) Mean values for each cultivar across locations. In each year, the concentrations of avenanthramides were significantly greater in Belle than Gem, and in Gem than Dane (P = 0.05) except for AVA in 1998 and AVC in 2000, where Belle and Gem were not different. (B) Mean value for each location across cultivars. In each year, the concentrations of avenanthramides were significantly (P = 0.05) greater from SBY than ARL.

 


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Fig. 2. Concentrations of the avenanthramides and total free phenolic contents for three oat cultivars grown at seven locations in Wisconsin in 1998. (A) avenanthramide A (AVA); (B) avenanthramide B (AVB); (C) avenanthramide C (AVC); (D) free phenolic contents (FPC). Locations were Ashland (ASH), Arlington (ARL), Chilton (CHI), Marshfield (MAR), Spooner (SPO), Madison (MAD), and Sturgeon Bay (SBY).

 





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