Abstract
The efficacy of phospholipases in degumming has been well-documented in soybean oil as a means to increase yields as well as reduce gum volumes. Rapeseed oil, however, remains relatively poorly explored, despite being the dominant feedstock in other regions for refining. With its higher content of metals, phosphatidic acid, and non-hydratable phospholipids, rapeseed oil is often regarded as a more difficult feedstock, practically speaking, to degum enzymatically. This presentation will describe both the standard process and modifications to this process to make phospholipase-assisted alkaline and physical refining as effective (with regards to cost and yield) on rapeseed oil as it has been shown to be on soybean oil. Data from preliminary lab trials on these alternative methods will be evaluated to demonstrate the large potential of phospholipases in rapeseed oil refineries.
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