Unrefined Groundnut oil do not undergo chemical refining. In unrefined Groundnut oils, such as “extra virgin” and “virgin” Groundnut oils, the process goes no further than extraction and bottling. Producers of unrefined Groundnut oil need to use Seeds that is in good condition and carefully manage various factors, because the oil will not be treated to chemically hide bad tastes that would result from oxidized Groundnut or some other contamination.