資料來源 : Webster's Revised Unabridged Dictionary (1913)

Leucin \Leu"cin\ (l[=u]"s[i^]n), n. [Gr. leyko`s white.]
   (Physiol. Chem.)
   A white, crystalline, nitrogenous substance formed in the
   decomposition of albuminous matter by pancreatic digestion,
   by the action of boiling dilute sulphuric acid, and by
   putrefaction. It is also found as a constituent of various
   tissues and organs, as the spleen, pancreas, etc., and
   likewise in the vegetable kingdom. Chemically it is to be
   considered as amido-caproic acid.