It is either a concrete or a resin of absolute galanga Oleoresin is produced from the comminuted rhizomes of Alpinia offcinarum The solvent is either petroleum ether or, in certain cases, ethyl alcohol Ethyl alcohol produces a very dark but easily soluble extract The resinoid varies in color and consistency according to the solvent used The color is orange-red to dark red-brown and the resinoid is usually a viscous, nonpourable mass of a spicy balsamic, warm, fresh odor and warm favor See Galanga (Root).
