Originally Posted by
HeartIsAching
That's why they powder it and can it. Add water, stir until it's a paste, then let it sit for a little while before eating... 10-15 minutes usually. It IS expensive if you buy a lot, but a tiny can of the stuff is only a few bucks and lasts quite a while as you only use about a half a teaspoon to make paste at a time.
No, HIA. That's not real wasabi. The fake stuff is the powder. You can't keep the real stuff. You can buy it as a paste, apparently, but it quickly disappears once opened.
I'm talking about this:
[url=http://en.wikipedia.org/wiki/Wasabi]Wasabi - Wikipedia, the free encyclopedia[/url]
For our local chemist's interest (DM), the volatile is an isothiocyanate that comes from the hydrolysis of thioglucosides by an enzyme in the rhizome of the plant.
Second thoughts can generally be amended with judicious action; injudicious actions can seldom be recovered with second thoughts.
--Cyteen by C.J.Cherryh