Oil can be extracted from many raw materials and has many uses but edible oils for domestic cooking are the most important. Oils are also an important ingredient for making soap. The residue of the raw material, after the oil has been extracted, may have a value even higher than the oil itself - for making groundnut cookies for example or other baked products. The by-product of the oil extraction process, known as oil-cake, is also used as animal feed or if there is a substantial surplus, as fertiliser in home gardens.

A list oil types and their residues that we frequently process and deal in are as follows-: