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lactosemore about lactose

lactose


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Lactose  \Lac"tose`\,  n. 
  1.  (Physiol.  Chem.)  Sugar  of  milk  or  milk  sugar;  a 
  crystalline  sugar  present  in  milk,  and  separable  from  the 
  whey  by  evaporation  and  crystallization.  It  has  a  slightly 
  sweet  taste,  is  dextrorotary,  and  is  much  less  soluble  in 
  water  than  either  cane  sugar  or  glucose.  Formerly  called 
  {lactin}. 
 
  2.  (Chem.)  See  {Galactose}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Galactose  \Ga*lac"tose\,  n.  (Chem.) 
  A  white,  crystalline  sugar,  {C6H12O6},  isomeric  with 
  dextrose,  obtained  by  the  decomposition  of  milk  sugar,  and 
  also  from  certain  gums.  When  oxidized  it  forms  mucic  acid. 
  Called  also  {lactose}  (though  it  is  not  lactose  proper). 
 
  From  WordNet  r  1.6  [wn]: 
 
  lactose 
  n  :  a  sugar  comprising  one  glucose  molecule  linked  to  a 
  galactose  molecule;  occurs  only  in  milk;  "cow's  milk 
  contains  about  4.7%  lactose"  [syn:  {milk  sugar}] 




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