Galanga Oleoresin

#### Galanga Oleoresin. **Galanga Oleoresin **is a prepared oleoresin. With the definitions of this book it is either a concrète or a resin absolute (concentrated tincture). It is very rarely offered from the usual suppliers of perfume or flavor materials but it is occasionally prepared by the flavor houses for their own use, or it is produced upon demand by one of the extraction specialists in Grasse or elsewhere (England or Holland). **Galanga "Oleoresin" **is produced from the comminuted rhizomes of **Alpinia Officinarum**, see **Galanga**** ****Oil.**** **The solvent is either acetone, benzene, petroleum ether or, in certain cases, ethyl alcohol. Benzene is avoided when the product is intended for use in flavors. 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, non-pourable mass of a spicy-balsamic, warm, yet fresh odor and a warm, somewhat biting, spicy-woody flavor with a characteristic, faintly cooling aftertaste. The flavor bears some resemblance to that of curcurma or ginger. **Galanga Oleoresin **finds now and then use in flavors as a modifier for ginger, cardamom, allspice, nutmeg, etc. with which it blends favorably. The "oleoresin" represents the closest approach to the odor and flavor of the rhizome itself and it offers obvious advantages over the old-fashioned tincture in this respect. The "oleoresin" remains, however, a rarity and a specialty which is hardly ever offered from the regular supply houses. Galanga rhizomes have since long been used as a non-pungent additive in the production of Chinese "preserved stem ginger" which is exported in the very decorative "bojans" (artistically hand- painted and ornamented clay or china jars). See also **Ginger**** ****Absolute,**** ****Ginger**** ****Oil,**** ****Ginger**** ****Oleoresin.**