There is always the risk that esterified oils showing the characteristics of olive oil, produced from these acid oils from refining, may be fraudulently employed as olive oils for human consumption and thus benefit from consumption aid; ... in order to prevent such a risk, acid oils from refining should be treated in the same way as by-products from refining.
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esterification - the direct action of an acid on an alcohol, resulting in the formation of esters. Catalysed by hydrogen ions.
