Alja^arry,Pi9ir8m'  )       Podophyllum  peltatum  Linne.  I3 
Table  V. 
Available  Resin  in  One  Kilogram  of  Fresh  Podophyllum  peltatum. 
Material. 
Lot  number 
Weight  fresh  drug 
(grams) . 
Available  air-dried 
drug  (grams). 
Available  resin 
(grams). 
Rhizome  
I 
IOOO 
215 
13-2 
2 
200 
12.0 
3 
200 
9.14 
4 
334 
12.02 
5 
334 
11.02 
6 
350 
14.77 
Roots  
la 
210 
l6.29 
2a 
200 
I4.20 
3& 
190 
10.26 
4a 
220 
7.26 
5a 
220 
9-13 
6a 
300 
14.88 
But  since  the  ratio  of  roots  to  rhizome  does  not  remain  constant 
throughout  the  season  the  amount  of  resin  available  becomes  even 
more  marked  when  the  official  drug  is  taken  into  consideration.  It 
was  found  that  the  roots  constituted  a  certain  increased  percentage 
of  the  total  weight  of  the  drug  as  the  growing  season  advanced  until 
the  plant  reached  maturity.  The  results  of  resin  determinations  on 
the  official  drug,  rhizome  and  roots,  fresh  material,  are  given  in 
Table  VI. 
Table  VI. 
Available  Amount  of  Resin  in  One  Kilogram  of  the  Official  Drug  of  Podo- 
phyllum peltatum,  Fresh  Material. 
Lot  number. 
Roots  compared  with 
total  weight  (per  cent.). 
Available  air-dried  drug 
(grams). 
Available  resin 
(grams). 
I 
23 
214 
13-94 
2 
25 
200 
12-55 
3 
27 
I98 
9-47 
4 
32 
201 
7.01 
5 
30 
302 
10-55 
6 
21 
340 
14.80 
From  the  collector's  point  of  view,  drug  collected  in  the  late 
fall  will  yield  him  the  best  returns.  The  manufacturer,  on  the  other 
hand,  will  necessarily  have  to  work  over  more  powdered  material 
for  a  slight  gain  in  the  amount  of  resin. 
The  various  resins  were  further  examined,  and  the  data  obtained 
on  their  behavior  toward  solvents  as  well  as  the  ash  content  are 
tabulated  in  Table  VII. 
