Question: What waaxy crystaline substance obtained from corn mint is used in making Camel Cruch Cigarettes?
Context: Mentha arvensis corn mint, field mint or wild mint, is a species of flowering plant in the mint family Lamiaceae.  It has a circumboreal distribution, being native to the temperate regions of Europe and western and central Asia, east to the Himalaya and eastern Siberia, and North America. "Mentha canadensis, the related species," is also included in "Mentha arvensis" by some authors as two varieties, "M. arvensis" var.  "glabrata" Fernald (in reference to North American plants such as American Wild Mint) and "M. arvensis" var.  "piperascens" Malinv.  ex L. H. Bailey (in reference to eastern Asian plants such as Japanese mint). The Camel News Caravan or Camel Caravan of News was a 15-minute American television news program aired by NBC News from February 14, 1949 to October 26, 1956.  Sponsored by the Camel cigarette brand and anchored by John Cameron Swayze, it was the first NBC news program to use NBC filmed news stories rather than movie newsreels.  On February 16, 1954, the "Camel News Caravan" became the first news program broadcast in color, making use of 16mm color film.  In early 1955, the R.J. Reynolds Tobacco Company, maker of Camel cigarettes, cut back its sponsorship to three days a week.  Chrysler's Plymouth division sponsored the other days, and on those days, the program was labelled the "Plymouth News Caravan".  The program featured a young Washington correspondent named David Brinkley, and competed against "Douglas Edwards with the News" on rival CBS.  With greater resources, the "News Caravan" attracted a larger audience than its CBS competition until 1955. Isinglass ( or ) is a substance obtained from the dried swim bladders of fish.  It is a form of collagen used mainly for the clarification or fining of some beer and wine.  It can also be cooked into a paste for specialised gluing purposes. Camphoric acid, CHO or in Latin form Acidum camphoricum, is a white crystallisable substance obtained from the oxidation of camphor.  It exists in three optically different forms; the dextrorotatory one is obtained by the oxidation of dextrorotatory camphor and is used in pharmaceuticals. Camel is a brand of cigarettes that was introduced by American company R.J. Reynolds Tobacco in 1913.  Most current Camel cigarettes contain a blend of Turkish tobacco and Virginia tobacco.  Winston-Salem, North Carolina, the city where R.J. Reynolds was founded, is nicknamed "Camel City" because of the brand's popularity. Menthol is an organic compound made synthetically or obtained from corn mint, peppermint, or other mint oils.  It is a waxy, crystalline substance, clear or white in colour, which is solid at room temperature and melts slightly above.  The main form of menthol occurring in nature is (−)-menthol, which is assigned the (1"R",2"S",5"R") configuration.  Menthol has local anesthetic and counterirritant qualities, and it is widely used to relieve minor throat irritation.  Menthol also acts as a weak kappa opioid receptor agonist. Chinese wax is a white to yellowish-white, gelatinous, crystalline water-insoluble substance obtained from the wax secreted by certain insects. Charantin is a chemical substance obtained from the Asian bitter melon ("Momordica charantia"), reputed to be responsible for the hypoglycaemic properties of those plants.  It was identified by Lolitkar and Rao in 1960.  It was also found in the similar African species "M. foetida", by A. Olaniyi in 1975, under the name foetidin. Bhasma in "Ayurveda" has been defined as a substance obtained by calcination. Camel Crush is an R. J. Reynolds Camel cigarette product that contains a capsule in the filter that, when crushed, releases a mentholated liquid that causes the smoke to be menthol flavored.  When the tobacco smoke passes through this liquid-saturated filter, it gives it a menthol taste.  The cigarette was released in the United States on August 25, 2008.  The brand is known as Camel Activate in the European markets.
Answer: Menthol