X 20 
Journal of Agricultural Research 
Vol. II, No. a 
Table II .—Physical properties of various hop oils distilled during several successive 
seasons. 
COLOR. 
Source of hops. 
1907 crop. 
1908 crop. 
1909 crop. 
California: 
Perkins No. i. 
Brownish red. 
Dark brownish red...... 
Tight brownish red. 
Dark brownish red. 
Cosumne. 
Light brownish red 
Perkins No. a. 
Pale brown. 
Wine red. 
Ukiah. 
Dark brownish red. 
Reddish brown. 
Do. 
Wheatland. 
Pale brown. 
.do. 
Reddish brown. 
Oregon. 
Wine red. 
.do.. 
Dark reddish brown. 
New York. 
T)efp brownish red. 
Bright brownish red.... 
Tight brownish red. 
Deep brownish red. 
Tight wine red. 
Dark brown. 
Washington. 
Imported (Saaz). 
Brown. 
Brownish red. 
ODOR. 
California: 
Perkins No. 1. 
Strongly aromatic, char- 
Strongly aromatic, 
Strongly aromatic, not 
acteristic. 
musty, not agreeable. 
unpleasant. 
Cosumne. 
Agreeable, hop-like. 
Pleasant, aromatic, hop- 
Strongly aromatic, 
very aromatic. 
like. 
agreeable. 
Perkins No. 2 . 
Slightly musty, sour, 
strongly aromatic. 
Strongly aromatic. 
Very pleasant, flowery. 
Slightly fatty, aromatic. 
Strongly aromatic, not 
Ukiah. 
Strongly aromatic. 
Wheatland. 
Strongly aromatic, dis- 
Strongly aromatic, 
agreeable. 
pleasant, characteris¬ 
tic. 
Strongly aromatic. 
agreeable. 
Oregon. 
Extremely strong aro- 
Strongly aromatic. 
matic, not agreeable. 
slightly musty. 
pleasant. 
New York. 
Strong, characteristic. 
Musty and unpleasant, 
Strongly aromatic, not 
not agreeable. 
aromatic. 
agreeable. 
Washington. 
Agreeable and strongly 
aromatic. 
Very pleasant, char- 
Agreeable and aromatic. 
Pleasant, mild, char* 
Imported (Saaz). 
Mild, aromatic, agree- 
able. 
acteristic. 
acteristic. 
TASTE. 
California: 
Perkins No. 1. 
Slightly fatty, slightly 
Slightly pungent, slight¬ 
Slightly pungent, slight¬ 
pungent. 
ly bitter. 
ly bitter. 
Cosumne. 
Aromatic, not pungent. 
Patty, slightly bitter. 
Patty, bitter, pungent. 
Perkins No. 2 . 
slightly bitter. 
aromatic. 
Slightly fatty, aromatic, 
faintly pungent. 
Patty, slightly pungent, 
Slightly fatty, bitter, 
faintly pungent. 
Patty, becoming aromat¬ 
Ukiah. 
Bitter, slightly pungent, 
aromatic. 
aromatic. 
ic and bitter. 
Wheatland. 
Bitter, aromatic, slightly 
Bitter, aromatic, slightly 
Fatty, slighty bitter. 
pungent. 
pungent. 
pungent. 
Oregon. 
Slightly pungent, be¬ 
Patty, becoming slightly 
Slightly fatty, slightly 
coming slightly bitter. 
bitter. 
bitter. 
New York. 
Bitter, aromatic, not 
Slightly fatty and bit¬ 
Slightly sour, slightly 
pungent. 
ter, slightly pungent. 
bitter and pungent. 
Washington. 
Slightly fatty and bit¬ 
ter, very little pun¬ 
gency. 
Patty, aromatic, slightly 
Slightly bitter, slightly 
pungent. 
Patty, aromatic, very 
Imported (Saaz). 
Patty, slightly bitter, 
not pungent. 
pungent. 
slightly pungent. 
