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A Rapid Method for Determining the Oil Content of Safflower and Sunflower Seeds 1
Author(s) -
Kennedy W. Keith,
Unrau John
Publication year - 1949
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1949.00021962004100020009x
Subject(s) - sunflower , agriculture , agricultural experiment station , sunflower oil , library science , mathematics , agricultural science , operations research , chemistry , horticulture , computer science , environmental science , history , archaeology , biology , food science
LANT breeding and management studies of oil P crops require determination of the yield and oil content of the seed. The methods of oil analysis generally used are tedious and time-consuming and require much equipment if many samples are to be analyzed. The chief difficulty in analyzing seed for oil is the preparation of the sample for extraction. The accepted method of preparation consists of placing a ground or crushed sample of seed in a soxhlet and extracting the seed with petroleum benzine or anhydrous diethyl ether for a period of 4 to 24 hours (3) .3 If the seed is ground in a conventional laboratory mill, there is loss of oil because' it collects and remains on the mill. The smaller the sample used, the greater is the loss of oil. To avoid loss through mill grinding, one suggestion has been to crush a weighed sample of seed in a mortar or in a small cloth bag (I , 2 ) . These methods are satisfactory, but require time and extreme care In order to simplify sample preparation and also to decrease the time and equipment necessary for oil analysis, the possibility of using a Waring blendor for crushing the seed and extracting the oil was investigated. Safflower seed and sunflower seed were used because considerable research work is being conducted with these oil crops, and the preparation of these oil seeds for extraction is especially difficult.