Rose oil the aromatics unaltered by heat. Because CO is gas at normal atmospheric pressure, it leaves no trace of itself in the final product. The equipment for CO extraction is expensive, which is reflected in the price of the essential oils obtained from the process. It takes a large amount of rose petals to distill a small amount of essential oil. Depending on extraction method and plant species, the typical yield can be approximately 1:3,000. To mitigate the cost, some dishonest dealers will dilute rose oil with geranium ("Pelargonium graveolens") or palmarosa ("Cymbopogon martinii") essential oils, both of which are rich
H. G. Hotchkiss Essential Oil Company Plant H. G. Hotchkiss Essential Oil Company Plant H. G. Hotchkiss Essential Oil Company Plant is a historic factory located at Lyons in Wayne County, New York. The remaining two story commercial building is an example of a small frame structure featuring a double storefront with modest ornamentation. It was built about 1884 on the foundations of an earlier structure and is located on the bank of the original Erie Canal. It was occupied by a major producer of essential oils, principally peppermint oil used in the manufacture of patent medicine. It was listed on the National Register of Historic Places