Ginger oil and ginger oleoresin are produced from the ginger plant Zingiber officinale Roscoe (Zingiberaceae).
Ginger oil is produced by steamdistillation of dried, ground rhizomes. It is a light yellow to yellow liquid with the aromatic, persistent odor of ginger, but lacking the pungency usually associated with ginger.The citrus note of ginger oil is produced by citral.