acetyl l carnitine tmao ncbi JCI Insight Intestinal microbiota metabolism of l-carnitine,

These include N -[4-carboxy-4-(3-mercapto-1 H -pyrrol-1-yl)-1-oxobutyl]-l-cysteinylglycine (GSH-BDA), a cyclic conjugate of BDA and GSH formed by an intramolecular reaction, R -2-(acetylamino)-6-(2,5-dihydro-2-oxo-1 H -pyrrol-1-yl)-1-hexanoic acid (NAcLys-BDA) formed by reaction BDA with lysine and subsequent acetylation of the -amino group of lysine, as well as N -acetyl-S-[1-[5-(acetylamino)-5-carboxypentyl]-1 H -pyrrol-3-yl]-l-cysteine (NAcCys-BDA-NAcLys) and N -acetyl-S-[1-[5-(acetylamino)-5-carboxypentyl]-1 H -pyrrol-3-yl]-l-cysteine sulfoxide (NAcCys-BDA-NAcLys sulfoxide), which represent N -acetylated crosslinks of cysteine and lysine by BDA (Fig

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Following that, the number of bacterial colonies grown on the MHA plate was recorded as CFU/g 32