GC-MS Discrimination of Citrulline from Ornithine and Homocitrulline from Lysine by Chemical Derivatization: Evidence of Formation of <i>N</i><sup>5</sup>-Carboxy-ornithine and <i>N</i><sup>6</sup>-Carboxy-lysine
Derivatization of amino acids by 2 M HCl/CH<sub>3</sub>OH (60 min, 80 °C) followed by derivatization of the intermediate methyl esters with pentafluoropropionic anhydride (PFPA) in ethyl acetate (30 min, 65 °C) is a useful two-step derivatization procedure (procedure A) for their quantitative measur...
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| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
MDPI AG
2021-04-01
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| coleção: | Molecules |
| Assuntos: | |
| Acesso em linha: | https://www.mdpi.com/1420-3049/26/8/2301 |
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