... .spice & flavor for food, perfume, cosmetics, medicine Obtained by the Steam distillation of dried rhizomes of Zingiber officianale Roscoe. dark ... yellow to light brown color, kind of ginger aroma2.spice & flavor for food, perfume, cosmetics, medicine-The relative density ... the commodity inspection time)Function:the raw materail of medicine,food additives,health products and cosmetics pure ginger oil