from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To combine with or subject to the action of hydrogen, especially to combine (an unsaturated oil) with hydrogen to produce a solid fat.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. (transitive) to treat something, or react something, with hydrogen; especially to react an unsaturated fat with hydrogen, in the presence of a nickel catalyst, to produce a harder saturated fat
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To hydrogenize.
from The Century Dictionary and Cyclopedia
- To cause to combine with hydrogen; hydrogenize.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound)
Sorry, no etymologies found.
Industrial food processing has discovered a more efficient way to prolong shelf life of products: hydrogenate the fatty acids, destroying the EFAs.
Sabatier was given the prize for developing a method to hydrogenate organic compounds in the presence of metallic catalysts.
I won't bore you with the chemistry, but the trans forms of fats are lower in energy and are thermodynamically favored when and if the fat molecules rearrange, so it is a challenge to hydrogenate oils without having them do this.
And so you can hydrogenate oils without producing trans fats.
When William Procter and James Gamble started the company Procter & Gamble, they hired chemist E. C. Kayser and developed the process to hydrogenate cottonseed oil, which ensures the shortening remains solid at normal storage temperatures.
Thus, nickel appeared to us to possess a remarkable capacity to hydrogenate ethylene without itself being visibly modified, i.e. by acting as a catalyst.
Mike Russell gleefully puts it, 'The purpose of life is to hydrogenate carbon dioxide.'
But because soybean oil spoiled when heated, producers had to hydrogenate the oil to keep it stable, thus creating trans fats.
If you fully hydrogenate, you create a solid (a fat) out of the oil.
In order to hydrogenate CO2 you must have hydrogen.