Moonshine, white lightning, mountain dew, hooch, and Tennessee white whiskey are terms used to describe high-proof distilled spirits, generally produced illicitly. The word "moonshine" is believed to derive from the term "moonrakers" used for early English smugglers and the clandestine (i.e., by the light of the moon) nature of the operations of illegal Appalachian distillers who produced and distributed whiskey. The distillation was done at night to not be caught distilling.
Poorly produced moonshine can be contaminated, mainly from materials used in construction of the still. Stills employing used automotive radiators as condensers are particularly dangerous; in some cases, glycol, products from antifreeze, can appear as well. Radiators used as condensers also may contain lead at the connections to the plumbing. Both glycol and lead are poisonous and potentially deadly.
Although methanol is not produced in toxic amounts by fermentation of sugars from grain starches, contamination is still possible by unscrupulous distillers using cheap methanol to increase the apparent strength of the product. Moonshine can be made both more palatable and less damaging by discarding the "foreshot"—the first few ounces of alcohol that drip from the condenser. The foreshot contains most of the methanol, if any, from the mash because methanol vaporizes at a lower temperature than ethanol. The foreshot also typically contains small amounts of other undesirable compounds such as acetone and various aldehydes.
Alcohol concentrations above about 50% alcohol by volume (100 proof) are flammable and therefore dangerous to handle. This is especially true during the distilling process when vaporized alcohol may accumulate in the air to dangerous concentrations if adequate ventilation has not been provided.
A quick estimate of the alcoholic strength, or proof, of the distillate (the ratio of alcohol to water) is often achieved by shaking a clear container of the distillate. Large bubbles with a short duration indicate a higher alcohol content, while smaller bubbles that disappear more slowly indicate lower alcohol content.
A common folk test for the quality of moonshine was to pour a small quantity of it into a spoon and set it on fire. The theory was that a safe distillate burns with a blue flame, but a tainted distillate burns with a yellow flame. Practitioners of this simple test also held that if a radiator coil had been used as a condenser, then there would be lead in the distillate, which would give a reddish flame. This led to the mnemonic, "Lead burns red and makes you dead." Although the flame test will show the presence of lead and fusel oils, it will not reveal the presence of methanol (also poisonous), which burns with an invisible flame.
Varieties of moonshine are produced throughout the world.
- Guy Logsdon. "Moonshine". Oklahoma State University. Retrieved 21 March 2014.
- Ellison, Betty Boles (2003). Illegal Odyssey: 200 Years of Kentucky Moonshine. IN: Author House. p. 1. ISBN 978-1-4107-8407-0.
- Kellner, Esther (1971). Moonshine: its history and folklore. IN: Bobbs-Merrill. p. 5.
- Jason Sumich. "It's All Legal Until You Get Caught: Moonshining in the Southern Appalachians". Appalachian State University. Retrieved 21 March 2014.
- "Distillation: Some Purity Considerations", A Step By Step Guide
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- Methanol Institute[dead link]
- Davis, Elaine. Minnesota 13: "Wet" Wild Prohibition Days (2007) ISBN 9780979801709
- Peine, Emelie K., and Kai A. Schafft. “Moonshine, Mountaineers, and Modernity: Distilling Cultural History in the Southern Appalachian Mountains,” Journal of Appalachian Studies, 18 (Spring–Fall 2012), 93–112.
- Rowley, Matthew. Moonshine! History, songs, stories, and how-tos (2007) ISBN 9781579906481
- Watman, Max. Chasing the White Dog: An Amateur Outlaw's Adventures in Moonshine (2010) ISBN 9781439170243
- "Moonshine – Blue Ridge Style" An Exhibition Produced by the Blue Ridge Institute and the Museum of Ferrum College
- Déantús an Phoitín (Poteen Making), by MacDara Ó Curraidhín, is a one-hour documentary film on the origins of the craft.
- North Carolina Moonshine – Historical information, images, music, and film excerpts
- Moonshine news page – Alcohol and Drugs History Society
- Georgia Moonshine – History and folk traditions in Georgia, USA
- "Moonshine 'tempts new generation'" – BBC on distilling illegal liquor in the 21st century.
- Moonshine Franklin Co Virginia Moonshine Still from the past – Video