2011
DOI: 10.18832/kp2011022
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Non-starch polysaccharides in the set of spring barley varieties.

Abstract:  1 ÚVODNeškrobové polysacharidy tvoří hlavní stavební složku buněčných stěn ječmene. Mezi tyto látky patří zejména arabinoxylany a ␤-glukany. Arabinoxylany (starším názvem pentosany) mají hlavní řetězec tvořen D-xylanopyranosovými jednotkami vázanými ␤-(1→4) vazbami, přičemž terminální jednotkou je ␣-L-arabinofuranosa, dále mohou obsahovat D-glukosu a někdy další minoritní jednotky. Na arabinoxylany je esterovou vazbou na C-5 zbytku arabinosy připojené na C-3 xylosy vázána ferulová kyselina [1]. ␤-glukany ječ… Show more

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“…Due to the unregulated exposure of plants to pathogens, we can assume not only a greater degree of plant infestation but also a higher subsequent formation of harmful secondary metabolites of the pathogens (mycotoxins). Lower contents of non-starch polysaccharides in variants untreated with fungicides compared to the fungicide treated variants have also been described in other studies (Havlová et al, 2006;Belcredi et al, 2009;Dickin et al, 2011;Macháň et al, 2011). As evident from Tab.…”
Section: Treatment and Environmental Eff Ectssupporting
confidence: 80%
“…Due to the unregulated exposure of plants to pathogens, we can assume not only a greater degree of plant infestation but also a higher subsequent formation of harmful secondary metabolites of the pathogens (mycotoxins). Lower contents of non-starch polysaccharides in variants untreated with fungicides compared to the fungicide treated variants have also been described in other studies (Havlová et al, 2006;Belcredi et al, 2009;Dickin et al, 2011;Macháň et al, 2011). As evident from Tab.…”
Section: Treatment and Environmental Eff Ectssupporting
confidence: 80%