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L-theanine intake increases threshold for limbic seizures but decreases threshold for generalized seizures Vrije Universiteit Brussel

Anneleen Schallier, Katia Vermoesen, Ellen Loyens, Joeri Van Liefferinge
L-theanine, an ethylamide derivate of glutamate found peculiarly in green tea, has been shown to exert beneficial actions in animal models for several neurological disorders. We here studied for the first time the effect of L-theanine intake on seizure susceptibility, using an acute pilocarpine and pentylenetetrazol (PTZ) mouse model for studying respectively limbic seizures and primarily generalized seizures. Moreover, we studied the effect of ...

Safety and efficacy of l-threonine produced by fermentation with Corynebacterium glutamicum ■■■■■ for all animal species Instituut voor Landbouw-, Visserij- en Voedingsonderzoek

Lieve Herman
Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on l-threonine produced by fermentation with Corynebacterium glutamicum ■■■■■ when used as nutritional additive in feed and water for drinking for all animal species and categories. The product under assessment is l-threonine produced by fermentation with a ...

Safety and efficacy of l-threonine produced using Escherichia coliCGMCC 13325 as a feed additive for all animal species Instituut voor Landbouw-, Visserij- en Voedingsonderzoek

Lieve Herman
Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on l-threonine produced by fermentation when used as a nutritional additive in feed and water for drinking for all animal species and categories. The product under assessment is l-threonine produced using a genetically modified strain of E. coliCGMCC 13325. The ...

Room temperature Q-band electron magnetic resonance study of radicals in X-ray-irradiated L-threonine single crystals Universiteit Gent

Gauthier Vanhaelewyn, Henk Vrielinck, Freddy Callens
In the past, decennia radiation-induced radicals were successfully identified by electron magnetic resonance (EMR) in several solid-state amino acids and sugars. The authors present a room temperature (RT) EMR study of the stable radicals produced by X-ray-irradiation in the amino acid l-threonine (CH3CH(OH)CH(NH3+)COO-). Its chemical structure is similar to that of the well-known dosimetric material l-alanine (CH3CH(NH3+)COO-), and radiation ...

Copper(II) 15-metallacrown-5 lanthanide(III) complexes derived from L-serine and L-threonine hydroxamic acids KU Leuven

Antoine Pacco, Gregory Absillis, Koen Binnemans, Tatjana Vogt
Formation of pentanuclear copper(II) complexes with serine hydroxamic acid (Serha) and threonine hydroxamic acid (Thrha) was studied in solution by electrospray ionization mass spectrometry (ESI-MS), absorption spectrophotometry and proton NMR spectroscopy. The presence of lanthanide(III) ions is essential for the self-assembly of the 15-metallacrown-5 compounds. The positive mode ESI-MS spectra of the solutions containing Serha or Thrha, ...