D-Limonene is the principal component (90-96%) of cold-pressed citrus peel oils, particularly orange oil. It is a colourless liquid with a fresh, sweet orange aroma.
One of the most abundant terpenes in nature, commercially obtained as a by-product of citrus juice production. Used as a food flavouring (GRAS), industrial green solvent (degreaser), cleaning product ingredient, fragrance component and insecticide.