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lactic


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Lactic  \Lac"tic\,  a.  [L.  lac,  lactis,  milk:  cf  F.  lactique  See 
  {Lacteal},  and  cf  {Galactic}.]  (Physiol.  Chem.) 
  Of  or  pertaining  to  milk;  procured  from  sour  milk  or  whey; 
  as  lactic  acid;  lactic  fermentation,  etc 
 
  {Lactic  acid}  (Physiol.  Chem.),  a  sirupy,  colorless  fluid, 
  soluble  in  water,  with  an  intensely  sour  taste  and  strong 
  acid  reaction.  There  are  at  least  three  isomeric 
  modifications  all  having  the  formula  {C3H6O3}.  Sarcolactic 
  or  paralactic  acid  occurs  chiefly  in  dead  muscle  tissue, 
  while  ordinary  lactic  acid  results  from  fermentation.  The 
  two  acids  are  alike  in  having  the  same  constitution 
  (expressed  by  the  name  ethylidene  lactic  acid),  but  the 
  latter  is  optically  inactive,  while  sarcolactic  acid 
  rotates  the  plane  of  polarization  to  the  right  The  third 
  acid,  ethylene  lactic  acid,  accompanies  sarcolactic  acid 
  in  the  juice  of  flesh,  and  is  optically  inactive. 
 
  {Lactic  ferment},  an  organized  ferment  ({Bacterium  lacticum 
  or  lactis}),  which  produces  lactic  fermentation, 
  decomposing  the  sugar  of  milk  into  carbonic  and  lactic 
  acids,  the  latter,  of  which  renders  the  milk  sour,  and 
  precipitates  the  casein,  thus  giving  rise  to  the  so-called 
  spontaneous  coagulation  of  milk. 
 
  {Lactic  fermentation}.  See  under  {Fermentation}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  lactic 
  adj  :  of  or  relating  to  or  obtained  from  milk  (especially  sour 
  milk  or  whey);  "lactic  acid";  "lactic  fermentation" 




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