Tyrosin

[Sarah]

A white crystalline nitrogenous substance present in smallamount in the pancreas and spleen, and formed in large quantity fromthe decomposition of proteid matter by various means, -- as bypancreatic digestion, by putrefaction as of cheese, by the action ofboiling acids, etc. Chemically, it consists of oxyphenol andamidopropionic acid, and by decomposition yields oxybenzoic acid, orsome other benzol derivative. [Written also tyrosine.]