The extraction of the seed oil was done in triplicate. The oil content of the seeds was 40.9±0.1%. The rapeseed oil was obtained using an oil screw press (Model SPU 20, Elektromotor-imon, Senta, Serbia) using various nozzle diameters (8–12 mm), temperatures of the press head (40–80 °C), and screw frequencies (40–60 Hz).
How much crude oil is extracted by cold pressing rapeseed oil?
As a result, the crude oil extraction degree achieved by cold pressing was 60.8% compared to the Soxhlet method. This extraction degree is lower than previously reported for screw pressing of rapeseed [ 16, 17 ]. The obtained pressed rapeseed oil contained about 88.5% of crude rapeseed oil and 11.5% of solid residue.
How rapeseed oil is extracted by cold pressing compared to Soxhlet Method?
The crude oil extraction degree achieved by cold pressing was 60.8% compared to the Soxhlet method. The rapeseed oil contains predominantly oleic, linoleic, linolenic, and palmitic acids, agreeing with other reported rapeseed oils.
What is a good book on filtration extraction of rapeseed?
Extraction of fats and oils, in Bailey’s Industrial Oil and Fat Products, vol. 2, 4th ed., ed. D. Swem. New York: Wiley. 207-214. Pulis, G. 1. 1985. The Schumacher D. T. Oil Mill Gazetteer 90(6):30-34. Reynolds, J. R. and Youngs, C. G. 1964. Effect of seed preparation on efficiency and oil quality in filtration extraction of rapeseed. 1.