BOTANICAL NAME - Citrus Sinensis, ORIGIN - Italy, SOURCE - Fruit Peel A specific kind of essential oil called blood orange essential oil is made from the peels of blood oranges (Citrus sinensis). The name "blood orange" refers to a particular type of sweet orange with a deep red to maroon-colored flesh. The aromatic ingredients and qualities of these oranges are included in the essential oil that is produced from their skins.