What is the name of the flavor of wasabi, horseradish, mustard, capers, and jalapeño?  Unfortunately, I'm not fond of the taste of the above ingredients.  To me, they taste similar. I don't mind the heat.  I love a home-grown scotch bonnet or the occasional Carolina Reaper, but the taste of the above ingredients have a certain taste that are very similar and don't taste good for me.  Does that taste have a name? What is it?   Disclaimer: While looking for related questions, I found out that I have not tried real wasabi. But I chose to include wasabi because 'fake wasabi' is based on horseradish, which I assume means that they taste similar.  Related questions that ask for substitutes:   How much of "wasabi" is actually wasabi in the United States? Substitute for horseradish? How can I maximize Wasabi flavor? How can I approximate wasabi taste? Mustard substitute Is horseradish and Wasabi the same thing?  
That is probably the ally isothiocyanate.  Other veggies that have isothiocyanates include cabbage, bok choy, and kale.  It doesn't stand up to heat in powdered flavors very well, usually degrades at the temperatures I've spray dried (roughly 200 C) at and becomes more of a fermented note than a spicy note. 