The fiber length, chemical composition, and mycototoxins of oat barley hulls were analyzed in order to study the suitability utilize for paper paperboard manufacturing. Oat fibers observed be slightly longer than those (0.80 ± 0.19 mm 0.51 0.17 mm, respectively). There no differences composition hemicellulose sugars, with predominance xylose glucose. amount Klason lignin was at almost same leve...