phrenosin

English

Etymology

See phrenic and -in.

Noun

phrenosin (uncountable)

1. (biochemistry) A nitrogenous body that contains no phosphorus, related to cerebrin, supposed to exist in the brain.
   • 1913, Otto Rosenheim, The Galactosides of the Brain and Their Constitution:

     In both methods the crude galctosides were separated into the phrenosin and kerasin fraction by fractional crystallization at various temperatures.

   • 1915, Albert Prescott Mathews, Physiological chemistry, page 577:

     On decomposition of phrenosin, the crebronic acid breaks off first and there remains a compound of sphingosin and galactose of a basic nature named psychosin, C₂₃H₄₅NO₇.

   • 1918, Hugh Maclean, Lecithin and Allied Substances, the Lipins, page 101:

     On the basis of these observations the following constitutional formula for phrenosin (C₄₈H₉₅O₉N) has been suggested [Rosenheim 1916]

Synonyms

• cerebron