...Konrad Dabrowski; Bendik F. Terjesen; Yongfang Zhang; James M. Phang; Kyeong-Jun Lee SUMMARY The premise that a dietary dipeptide approach will improve the understanding of amino acid utilization in the fastest-growing vertebrate, the teleost fish, was tested by examining the muscle free amino acid...

... the stimulatory effect of l -histidine alone on transmural 65 Zn 2+ transport. Zinc-stimulation of M→S 3 H- l -histidine flux was significantly( P <0.01) reduced by the addition of 100 μmol l –1 glycyl-sarcosine to the perfusate, as a result of the dipeptide significantly ( P <0.01) reducing both l...

... C]Gly-Sar into lobster hepatopancreatic BBMVs was significantly ( P <0.01) cis -inhibited by 10 mmol l −1 diethylpyrocarbonate and by a variety of other dipeptides (10 mmol l −1 ), suggesting a broad transport specificity. These observations strongly suggest that transport of peptides...

... been found to possess substantial amounts of histidine-containing dipeptides, most commonly N-β -alanyl-L-histidine, either without substitutions (carnosine) or methylated at the 1-position (anserine) or at the 3-position (ophidine or balenine). At 25°C the pK of carnosine is 6·83 whereas...