100% ginger extraction, pure nature, no residual and chemical additives. The whole process is confined close to room temperature to exclude a number of chemical constituents of the event and see the light reaction of oxygen oxidation potential, both to extract the volatile low boiling components (monoterpenes), also can extract a series of alkanes, Long-chain fatty acids and hydrocarbons and other thermally unstable and easily oxidized components of the composition, complete all the reserved ginger aroma components.