sulfenic

That produces sulfenic acids, which escape the onion as a volatile gas.

A half-billion years of irritation ewillett 2010

That produces sulfenic acids, which escape the onion as a volatile gas.

A half-billion years of irritation ewillett 2010

The reason: when you break open the cells of an onion, you release enzymes that decompose some of the other substances that escape from the broken cells, forming sulfenic acids which escape the onion as a volatile gas.

Tearless onions ewillett 2008

There are many tricks to avoid the tears from the sulfenic acids such as cut them under running water wet the onions before you cut them use a really sharp knife keep the onions in the fridge place the knife in the freezer before cutting the onions

Weekend Herb Blogging #48 Haalo 2006

There are many tricks to avoid the tears from the sulfenic acids such as cut them under running water wet the onions before you cut them use a really sharp knife keep the onions in the fridge place the knife in the freezer before cutting the onions

Archive 2006-09-01 Haalo 2006

Enzymes that were kept separate now are free to mix with the sulfenic acids to produce propanethiol S-oxide, a volatile sulfur compound that wafts upward toward your eyes.

About.com Chemistry 2010

Enzymes that were kept separate now are free to mix with the sulfenic acids to produce propanethiol S-oxide, a volatile sulfur compound that wafts upward toward your eyes.

About.com Chemistry 2010

Enzymes that were kept separate now are free to mix with the sulfenic acids to produce propanethiol

Yahoo! Answers: Latest Questions 2010

In onion chemicals are present, when cut Amino acid sulfoxides form sulfenic acids.

Yahoo! Answers: Latest Questions 2010

Onions can cause tearing when cut due to a series of chemical reactions in which natural sulfoxides are converted into sulfenic acids and finally syn-propanethial-S-oxide, which evaporates into the air and irritates the eyes 'lachrymal glands.

Conservapedia - Recent changes [en] 2009