carnosine is synthesized in vivo from beta-alanine and histidine.

carnosine (beta-alanyl-l-histidine) is a dipeptide molecule, made up of the amino acids beta-alanine and histidine. it is highly concentrated in muscle and brain tissues.[citation needed]

carnosine and carnitine were discovered by russian chemist vladimir gulevich. it has been proven to scavenge reactive oxygen species (ros) as well as alpha-beta unsaturated aldehydes formed from peroxidation of cell membrane fatty acids during oxidative stress. it also buffers ph in muscle cells, and acts as a neurotransmitter in the brain. it is also a zwitterion, a neutral molecule with a positive and negative end.[citation needed]

like carnitine, carnosine is composed of the root word carn, meaning "fl

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