Dear mojo111-ga
It is the heat produced by Chilies ? that?s why cowboys shout yeehar!
"Chiles are members of the Capsicum family. Heat range is diverse,
ranging from very mild to extremely wild. The particular class of
substances that determine their disposition is known, by those who
study such things, as Capsaicinoids. The two most common component of
this class are Capsaicin and Di-Hydrocapsaicin"
"Capsaicin and Di-hydrocapsaicin together make up 80-90% of the
Capsaicinoids found in Chile peppers."
These quotes, the symbol you referred to and a list of Chile peppers
and their Scoville Heat Unit - in other words how hot they are, is
available at
http://ushotstuff.com/Heat.Scale.htm
"The active principle that causes the heat in chile peppers is a
crystalline alkaloid generically called capsaicin. It is produced by
glands at the junction of the placenta and the pod wall. The capsaicin
spreads unevenly throughout the inside of the pod and is concentrated
mostly in the placental tissue."
- further information from
http://www.fiery-foods.com/dave/capsaicin.asp
I hope this answers your question. If it does not, or the answer is
unclear, then please ask for clarification of this research before
rating the answer. I shall respond to the clarification request as
soon as I receive it.
Thank you
answerfinder
Search strategy
H3CO CH3
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capsaicin
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