Search: L773:0021 8561 OR L773:1520 5118
> (2000-2004) >
Avenanthramides in ...
Avenanthramides in Oats (Avena Sativa L.) and Structure-Activity Relationships
-
Bratt, Katarina (author)
-
Sunnerheim, Kerstin (author)
-
Bryngelsson, Susanne (author)
-
show more...
-
- Fagerlund, Amelie (author)
- Mittuniversitetet,Institutionen för naturvetenskap (-2008)
-
Engman, Lars (author)
-
Andersson, Rolf E (author)
-
Dimberg, Lena H (author)
-
show less...
-
(creator_code:org_t)
- 2003-01-01
- 2003
- English.
-
In: Journal of Agricultural and Food Chemistry. - : American Chemical Society (ACS). - 0021-8561 .- 1520-5118. ; 51:3, s. 594-600
- Related links:
-
https://urn.kb.se/re...
-
show more...
-
https://doi.org/10.1...
-
show less...
Abstract
Subject headings
Close
- Eight avenanthramides, amides of anthranilic acid (1) and 5-hydroxyanthranilic acid (2), respectively, and the four cinnamic acids p-coumaric (p), caffeic (c), ferulic (f), and sinapic (s) acid, were synthesized for identification in oat extracts and for structure−antioxidant activity studies. Three compounds (2p, 2c, and 2f) were found in oat extracts. As assessed by the reactivity toward 1,1-diphenyl-2-picrylhydrazyl (DPPH), all avenanthramides except 1p showed activity. Initially, the antioxidant activity of the avenanthramides decreased in a similar order as for the corresponding cinnamic acids, that is: sinapic > caffeic > ferulic > p-coumaric acid. The avenanthramides derived from 2 were usually slightly more active than those derived from 1. All avenanthramides inhibited azo-initiated peroxidation of linoleic acid. 1c and 1s were initially the most effective compounds. The relative order of antioxidant activities was slightly different for the DPPH and the linoleic acid assays run in methanol and chlorobenzene, respectively.
Subject headings
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Keyword
- Avena sativa; avenanthramide; caffeic acid; cinnamic acid; p-coumaric acid; dehydrodicinnamic acid dilactone; DPPH; ferulic acid; radical scavengers; sinapic acid
- Organic chemistry
- Organisk kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database