The fat or cocoa butter can be extracted from the bean in a number of ways. Pure press butter is extracted from the cocoa mass by horizontal presses. Sub-standard cocoa beans can be pressed without deshelling by using continuous expeller presses. Pure press butter needs no cleaning but it is often deodourised. A solvent extraction process can be used to extract butter from the cake residue left after the expeller process, this type of butter must be refined., "Ekspeller" on kakaovõi puhul tootmise meetodi nimetus; üks võimalik meetod saada kakaoubadest kakaovõid.