What does expeller pressed mean?
An expeller press uses a high-pressure hydraulic action to extract or squeeze oil from a source, such as nuts or seeds. Expeller pressing typically extracts only about 75% of the oil, which is why expeller pressed oils are sometimes more expensive. However, the quality is superior. To extract the remaining oil from the source, or when extracting oil from harder nuts, seeds or kernels there are two processes. First expeller pressed method is used then an extraction method is used in combination with chemicals like hexane. (See also What is Hexane?
