Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative form of tyrosine.

from the GNU version of the Collaborative International Dictionary of English

  • n. A white crystalline nitrogenous substance present in small amount in the pancreas and spleen, and formed in large quantity from the decomposition of proteid matter by various means, -- as by pancreatic digestion, by putrefaction as of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative.

from The Century Dictionary and Cyclopedia

  • n. Tyrosin is p-oxyphenyl-propionic acid, —C6H4(OH).CH2.CH(NH2)COOH. It is obtained from nearly all albumins on hydrolytic decomposition by means of acids, alkalis, and the proteolytic ferments. It is supposed that a tyrosin radical exists as such in all those substances from which it is obtainable on decomposition.
  • n. A white crystalline body, odorless, and insoluble in cold water, having the formula C9H11NO3.

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