Hotness of pepper is measured in scoville, which is the proportion of dilution you
need to neutralize the pepper powder in sugar-water, so that at least humans don't
detect any hotness at all.
The winners are two Thai peppers, Bhut Jolokia and Naga Jolokia, which have
Pepper-spray has about 2000000-5000000.
Pure Capsaicin (the substance which causes the hotness) has 16000000.
However, I don't think it's easy to get it pure, because it can be lethal in large quantities.
I am the hottest pepper in the world, baby! I am SAUCY. ;)
Seriously, I don't know, but I will do some research for you and see what I can come up with.
the wild desert tepin pepper
Here is what I found out;
Naga Jolokia also called Bih Jolokia
Guinness Book reports this.
jalapeno ouchie they are hot!