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Cyanogenesis in forage plants and influences in ruminant nutrition

Katharina Rempt
Katharina Rempt
 and 
Martin Gierus
Martin Gierus
   | Nov 30, 2018
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Article Category: Research Article
Published Online: Nov 30, 2018
Page range: 201 - 212
Received: Mar 24, 2018
Accepted: Oct 08, 2018
DOI: https://doi.org/10.2478/boku-2018-0016
Keywords
© 2018 Katharina Rempt, Martin Gierus, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Abbildung 1

Bildung von cyanogenen Glykosiden aus L-Aminosäuren. 1–6: beteiligte Enzyme: 1 – L-Aminosäure-N-Monooxygenase; 2 – N-Hydroxy-Aminosäure-Dehydrogenase (oxidative Decarboxylierung); 3 – Aldoxim-Monooxigenase; 4 – Aldoxim-Deydratase; 5 – Nitril-Monooxygenase, 6 – Glykosyl-Transferase; R1 und R2: Alkylreste oder R1 = Arylrest bzw. Alkylrest und R2 = –H (adaptiert nach Teuscher et al., 2004; Luckner, 1990)Figure 1. Formation of cyanogenic glycosides from amino acids. 1–6: involved enzymes: 1 – L-amino acid N-monooxygenase; 2 – N-hydroxy amino acid dehydrogenase (oxidative decarboxylating); 3 – aldoxime monooxygenase; 4 – aldoxime dehydratase; 5 – nitrile monooxygenase; 6 – glucosyl-transferase; R1 and R2: alkyl-residues or R1 = aryl- or alkyl-residues and R2 = –H (adapted according to Teuscher et al., 2004; Luckner, 1990)
Bildung von cyanogenen Glykosiden aus L-Aminosäuren. 1–6: beteiligte Enzyme: 1 – L-Aminosäure-N-Monooxygenase; 2 – N-Hydroxy-Aminosäure-Dehydrogenase (oxidative Decarboxylierung); 3 – Aldoxim-Monooxigenase; 4 – Aldoxim-Deydratase; 5 – Nitril-Monooxygenase, 6 – Glykosyl-Transferase; R1 und R2: Alkylreste oder R1 = Arylrest bzw. Alkylrest und R2 = –H (adaptiert nach Teuscher et al., 2004; Luckner, 1990)Figure 1. Formation of cyanogenic glycosides from amino acids. 1–6: involved enzymes: 1 – L-amino acid N-monooxygenase; 2 – N-hydroxy amino acid dehydrogenase (oxidative decarboxylating); 3 – aldoxime monooxygenase; 4 – aldoxime dehydratase; 5 – nitrile monooxygenase; 6 – glucosyl-transferase; R1 and R2: alkyl-residues or R1 = aryl- or alkyl-residues and R2 = –H (adapted according to Teuscher et al., 2004; Luckner, 1990)

Für die Schweiz empfohlene Sorten mit ihrer Blausäurebildung (Mittelwerte von zwei Jahren, nach Schubiger et al., 1997)Table 1. Recommended cultivars for Switzerland including content of cyanogenic glycosides (mean values of two years, according to Schubiger et al., 1997)

SorteBlausäurebildung (mg HCN/kg TM)
1. Aufwuchs3. Aufwuchs5. Aufwuchs
Scarvasi 4141022
Regal14370176
Merit25383255
N.F.G. Gigant493257458
Alban511275455
Milkanova627227507
Milo671254503
Osceola649309606
Sonja824423640
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