The Scoville scale is a measure of the 'hotness' of a chilli pepper or anything derived from chilli peppers, i.e. hot sauce. The scale is named after Wilbur Scoville who developed the test in 1912. http://www.chilliworld.com/FactFile/...hilli_Heat.asp Reference. Scoville Heat Units 16,000,000 Pure capsaicin Capsaicin is the compound causing the heat sensation. Bhut Jolokia) cultivated at New Mexico State University have stood-up to testing and in Fenruary 2007 a specimen registering a staggering 1,001,304 Scoville heat units was officially acclaimed by the Guinness World Record as the new worlds hottest pepper Notice this is still a long way from pure capsaiscin.