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Industry Knowledge

What Is SHU?
Oct 06, 2016

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 actually a measure of the concentration of the chemical compound capsaicin which is the active component that produces the heat sensation for humans. Capsaicin (8-methyl N-vanillyl 6-nonenamide) occurs naturally in chilli peppers together with a number of very similar compounds referred to generically as capsaicinoids, it is the precise ration of these capsaicinoids which causes the differences in taste reaction to different pepper species, for example the typical delayed reaction to the habanero pepper (C. chinense) as compared to other species. Nowadays, capsaicin concentrations are determined using more scientific methods, typically High Pressure Liquid Chromatography (HPLC). The direct measurement of capsaicin gives much more accurate results than sensory methods.

The scale or test is named after Wilbur L. Scoville (1865-1942), who developed the Scoville Organoleptic Test in 1912 while working at the Parke Davis pharmaceutical company. As originally devised, a solution of the pepper extract is diluted in sugar water until the 'heat' is no longer detectable to a panel of (usually five) tasters; the degree of dilution gives its measure on the Scoville scale. A sweet pepper, that contains no capsaicin at all, has a Scoville rating of zero (no heat detectable even undiluted); whereas the hottest chillies, such as habaneros have a rating of 300,000 or more, indicating that their extract has to be diluted 300,000-fold before the capsaicin present is undetectable. The greatest weakness of the Scoville Organoleptic Test is its imprecision, because it relies on human subjectivity.

Honglv Capsaicin's CHili Pepper is a special breed, cultivated by our own lab, and growing in our plantation base, and the content of capsaicin can reach to 5%~7%, and more heater than Indian Devil Chili in 300,000 SHU. You can review our product catalog, to know more about our Paprika Oleoresin, Capsicum Oleoresin, capsaicin Powder, and Capsaicin Crystals to meet your product request.