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A prolamine, containing about 25% glutamyl residues, found in oats (Avena) and in various legumes; considered highly nutritious.
Synonym(s): legumin, plant casein
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Avenins in oats may also be cross-reactive in a small percentage of people with celiac disease; however, this is a matter of debate (11).
For both Avenin and Astavea markers, alleles differed by between 20 and 25 base pairs rather than by 2 to 3 base pairs, as is common for SSR markers.
Intestinal samples obtained through biopsy were exposed to active components of wheat (gliadin) or oats (avenin).