pyroligneous acid
American Heritage Dictionary:
Top
pyroligneous acid
n.
A reddish-brown wood distillate containing acetic acid, methyl alcohol, acetone, and a tarry residue. Also called wood vinegar.
pyroligneous acid (pī'rəlĭg'nēəs), a dark liquid that is essentially a mixture of acetic acid and methanol (wood alcohol) and is obtained in the destructive distillation of wood. It once served as a commercial source of acetic acid.
Wiley Dictionary of Flavors:
Top
Pyroligneous Acid
Excerpt for Code of Federal Regulations Title 21 paragraph 101.22 (h)(6): Any pyroligneous acid or other artificial smoke flavors used as an ingredient in a food may be declared as artificial smoke flavor. No representation may be made, either directly or implied, that a food flavored with pyroligneous acid or other artificial smoke flavor has been smoked or has a true smoked flavor, or that a seasoning sauce or similar product containing pyroligneous acid or artificial smoke flavor and used to season or flavor will result in a smoked product or one having a true smoke flavor. See Smoke Flavor, Chart 376.
Wikipedia on Answers.com:
Top
Pyroligneous acid
| Pyroligneous acid | |
|---|---|
| Identifiers | |
| CAS number | 8030-97-5  |
| EC number | 232-450-0 |
| Properties | |
| Density | 1.08 g/mL[1] |
| Boiling point |
99 °C, 372 K, 210 °F ([1]) |
| Hazards | |
| EU classification |  Xn |
| R-phrases | R10-R21-R36/37/38 |
| S-phrases | S16-S26-S36 |
| Flash point | 44 °C (111 °F)[1] |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Pyroligneous acid, also called wood vinegar, is a dark liquid produced through the natural act of carbonization, which occurs when wood is heated in an airless container during charcoal production.
|
Contents
|
Chemical components
The principal components of pyroligneous acid are acetic acid, acetone and methanol. It was once used as a commercial source for acetic acid. In addition, the vinegar often contains 80-90% water along with some 200 organic compounds.
Deficiency
During the United States Civil War, cooks in the Confederate States of America tried to make up for an increasing deficiency in salt by preserving meat and fish in pyroligneous acid, which was not very effective.[2]
References
- ^ a b c W296708 Pyroligneous acid from Sigma-Aldrich
- ^ Kurlansky, Mark (2002). Salt: A World History. Penguin Books. pp. 267–68. ISBN 0-14-200161-9.
External links
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
Post a question - any question - to the WikiAnswers community:
Copyrights:
American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
Read more
Columbia Encyclopedia
The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2012, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/.
Read more
Wiley Dictionary of Flavors
Copyright © 2008 by Wiley-Blackwell. Wiley and the Wiley logo are registered trademarks of John Wiley & Sons, Inc. and/or its affiliates in the United States and other countries. Used here by license. Read more
Mentioned in
acetate of lime
(organic chemistry)
iron acetate liquor
(materials)
charcoal
(material, plant)
» More