Absolute essence Bitter Orange how they do it? The first step is to remove the pith from the pericarp of organic Sicilian oranges. From the outer surface, rich in essential oils, we produce this aromatic extract. This manual process limits the presence of bitter components in the absolute. The extract thus retains the true aroma of the fruit and the plant. Citrus Aurantium offers several products: neroli from the flowers, petitgrain from the leaves, essential oil from the fruit, and absolute from the peel (flavedo)