Am.  Jour.  Pharrn.") 
March,  1892.  J 
Practical  Notes. 
133 
PRACTICAL  NOTES. 
Abstracts  from  Theses. 
Extractum  Dicentraz  Fluidum. — Chas.  E.  Hammerquist  made  a 
number  of  comparative  experiments  with  the  view  of  determining 
the  best  menstruum  for  fluid  extract  of  Turkey  corn.  The  one 
directed  by  the  "  National  Formulary,"  viz  :  3  vols,  of  alcohol  and 
1  of  water,  yields  a  good  fluid  extract  in  which,  however,  some  pre- 
cipitation takes  place.  If  prepared  with  alcohol  the  fluid  extract 
was  lighter  in  color,  and  less  bitter,  but  remained  clear.  Made  with 
a  menstruum  of  4  vols,  of  alcohol  and  one  of  water,  a  clear  fluid  ex- 
tract was  also  obtained,  and.  proved  to  be  satisfactory  in  all  respects. 
Other  menstrua  gave  less  satisfactory  results  than  the  above. 
Extractum  Glycyrrhizce  Fluidum. — The  disagreeable  and  unsightly 
preparation  of  the  pharmacopoeial  preparation  suggested  to  Albert 
G.  Reizenstein,  the  desirability  of  changing  the  menstruum  or  the 
manipulation,  or  both,,  and  the  objection  appears  to  have  been 
removed  by  making  one  pint  of  the  preparation  as  follows  :  Moisten 
the  drug  in  No.  40  powder  (16^  oz.)  with  16  fluidounces  of  water, 
containing  y2  fl.  oz.  of  water  of  ammonia  ;  pack  moderately  tight  in  a 
cylindrical  glass  percolator,  and  exhaust  the  drug  by  percolation  with 
more  of  the  same  menstruum;  heat  the  percolate  and  keep  it  boiling 
for  about  ten  minutes,  adding  some  water  if  it  should  become  too 
thick  ;  set  aside  to  cool,  then  filter,  and  wash  the  mass  on  the  filter 
with  cold  water,  evaporate  the  filtrate  to  12  fluidounces  and  add  4 
fluidounces  of  alcohol.  The  fluid  extract  is  very  sweet  and  is  des- 
titute of  the  bitter  aftertaste  of  the  pharmacopceial  preparation. 
The  most  troublesome  part  of  the  process  is  the  manipulation  of  the 
precipitate  produced  on  boiling,  which  appears  to  be  albumen 
colored  with  glycyrrhizin  to  a  slight  extent,  and  which  is  liable  to 
clog  the  pores  of  the  filter. 
Emulsio  Olei  Morrhuce. — The  following  formula  is  suggested  by 
Oliver  Stout  for  preparing  an  emulsion  containing  50  vol.  per  cent, 
of  cod-liver  oil :  Triturate  I  oz.  of  glyconin  with  2  oz.  of  cod-liver  oil, 
gradually  added,  until  emulsified  ;  dissolve  60  grains  of  ammoniated 
glycyrrhizin  in  water,  and  add  this  solution  gradually,  followed  by 
water,  to  the  emulsion  until  four  fluidounces  are  obtained.  The 
glycyrrhizin  masks  the  taste  of  the  oil  without  any  further  addition. 
Hypophosphites  may  be  added  with  the  water. 
