Du Mez—The Galenical Oleoresins, 
1071 
Date 
1S34 
1879 
1886 
1888 
1888 
1891 
1892 
1892 
1893 
1895 
1896 
1197 
1901 
1903 
1903 
Table 63. — Yield of oleoresin as reported in the literature. 
Observer 
B6ral... 
Thresh. 
Jones. 
Siggnis. 
Trimble. 
Riegel... 
Sherrard, 
Beringer. 
Dyer and Gilbard 
Davis. 
Lirerseege. 
Glass and Thresh 
Rennet. 
Ballard 
Southall Bros. 
& Barclay.. 
Yield of oleoresin to— 
Alco¬ 
hol 
Per ct. 
Alco¬ 
hol 
( sp 
gr 
0.82) 
5.00 
4.80 
6.65 
6 57 
6.17 
l 7.00 
5.00 
8.00 
Alco 
hoi 
(90 
per 
cent.) 
3.94to 
5.61 
3.41to 
5.67 
4.91to 
6.74 
5.41to 
6.51 
5.14to 
6.61 
5.14to 
16.47 
Alco¬ 
hol 
(90 
per 
cent) 
4.35 
4.57 
l 9.93 
Ace¬ 
tone 
Per ct 
5.57 
Ether 
Per ct. 
5.20 
3.29 
4.96 
8.06 
3.58 
3.97 
8.00 
3.85 
4.72 
5.20 
5.40 
3.00 to 
5.20 
4.80 to 
4.84 
5.75 to 
6.27 
5.50 
5.00 
4.33 
6.33 
2.57 to 
6.41 
2.97 to 
4.60 
3.75 
6.33 
Eth’r 
( Sp. 
g r. 
0.717) 
4.76 
6.04 
111.09 
Other 
solvents 
Per cent. 
Benzin 
2.48 
Benzin 
2.50 
Methyl 
alcohol 
6.50 
Remarks 
Jamaica ginger. 
Cochin 
African 
Jamaica ginger, unbleached. 
“ , bleached 
(limed) 
East Indian ginger. 
African ginger. 
Jamaica ginger, unbleached. 
East Indian ginger, epidermis 
removed. 
Upon subsequent extraction 
with alcohol 0.80 to 1.50 per 
cent, of material was ob¬ 
tained. 
Jamaica ginger. 
African 
Jamaica ginger. 
Cochin 
African 
Jamaica ginger, whole. 
Jamaica ginger, ground. 
Cochin ginger, whole. 
Cochin ginger, ground. 
African ginger, whole. 
African ginger, ground. 
Tahiti ginger. 
Ivory Coast ginger. 
Jamaica ginger. 
Cochin 
African “ 
