908 
Wisconsin Academy of Sciences, Arts, and Letters , 
CONTENTS 
PART I—GENERAL 
Page 
Historical Introduction. 
Definition . 
Drugs used . 
Solvents used . 
Methods of preparation. 
Apparatus employed. 
Yield . 
Chemistry . 
Physical and chemical proper¬ 
ties .. 
Physical properties . .. 
Color... 
Odor . 
Taste.. . 
913 Consistence .. 
918 Solubility . 
920 Specific gravity. 
921 Refractive index . 
926 Chemical properties . 
933 Loss in weight on heating. . 
952 Ash content . 
952 Acid number .. 
Saponification value . 
953 Iodine value ... 
953 Special tests . 
953 Qualitative tests. 
954 Quantitative tests . 
954 Adulterations . 
PART II—INDIVIDUAL OLEORESINS 
Page 
Oleoresin of aspidium. 965 
Synonyms. 965 
History . 967 
Drugs used, its collection, pres 
ervation, etc. 968 
U. S. P. text and comments 
thereon. 973 
Yield . 980 
Chemistry of the oleoresin and 
of the drug from which 
prepared . 985 
Constituents of therapeutic 
importance . 992 
Physical properties . 992 
Color .. 992 
Odor . 993 
Taste. 993 
Consistence . 993 
Solubility . 993 
Specific gravity . 994 
Refractive index . 996 
Chemical properties . 998 
Loss in weight on heating . . 998 
Ash content . 999 
Acid number . 1900 
Saponification value . 1001 
Iodine value . 1003 
Other properties . 1004 
Special qualitative tests. 
Tests for filicin. 
Austrian Pharmacopoeia. . 
Netherlands Pharmacopoeia 
Hungarian Pharmacopoeia 
Test for starch. 
German Pharmacopoeia. . . 
Test for oleoresin of Dryop- 
teris spinulosa . 
Hausmann’s method. 
Test for castor oil. 
Test for copper. 
Special quantitative tests. 
Methods for the determina¬ 
tion of fllix acid. 
Method of Kremel ....... 
Method of Bocchi . 
Method of Kraft. 
Method of Fromrne (orig¬ 
inal) ... 
Method of Fromrne (im¬ 
proved) .. 
„ Method of Stoeder . 
Comparison of above 
methods . 
Methods for the determin¬ 
ation of crude filicin .. . 
Method of Rulle . 
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