Sagedamini esinevate karboksüülhapete puhul on lubatud kasutada ka triviaalnimetusi, mis tavaliselt viitavad mingile looduslikule objektile, milles seda hapet leidub, näiteks: metaanhape – sipelghape, etaanhape – äädikhape, butaanhape – võihape, etaanadihape – oblikhape jne.
Where other fats than milk fat are declared in the composition of the goods, the milk fat content is calculated on the basis of the percentage concentration of butyric acid, assuming that the butyric acid content in milk fat is at a constant level.