Definition of ornithine in English:
noun[mass noun] Biochemistry
An amino acid which is produced by the body and is important in protein metabolism.
- Chemical formula: NH2(CH2)3CH(NH2)COOH
- About 50-percent of ingested arginine is rapidly converted in the body to ornithine, primarily by the enzyme arginase.
- When your body doesn't digest protein completely, gut bacteria convert two of the amino acids in protein, arginine and ornithine, to compounds called polyamines.
- This may occur in part as a result of pathologically elevated activity of arginase, an enzyme that hydrolyzes arginine to ornithine and urea.
Definition of ornithine in:
- US English dictionary
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