Curcumin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Curcumin \Cur"cu*min\ (-m?n), n. (Chem.)
     The coloring principle of turmeric, or curcuma root,
     extracted as an orange yellow crystalline substance,
     {C14H14O4}, with a green fluorescence.
     [1913 Webster]
  


     Note: It possesses acid properties and with alkalies forms
           brownish salts. This change in color from yellow to
           brown is the characteristic reaction of tumeric paper.
           See {Turmeric paper}, under {Turmeric}.
           [1913 Webster]