SCOVILLE
SCALE
The Scoville scale is a measure of
the hotness of a chile.
These fruits of the Capsicum genus contain capsaicin,
a chemical
compound which stimulates heat-receptor nerve
endings, and the number of Scoville heat units (SHU)
indicates the ratio of capsaicin present.
It is named after Wilbur
Scoville, who developed the Scoville Organoleptic
Test in 1912.
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. Thus a sweet
pepper, that contains no capsaicin at all, has a
Scoville rating of zero (no heat detectable even
undiluted); whereas the hottest chiles, 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.
Later developments such as high
pressure liquid chromatography (known as "The
Gillett Method") have now enabled the Scoville
rating to be determined by direct measurement of
capsaicin rather than sensory methods.

List of Scoville ratings
Scoville ratings may vary considerably within a
species—easily by a factor of 10 or more—depending
on seed lineage, climate
and even soil.
This is especially true of habaneros.
- 16,000,000
- Pure capsaicin
and dihydrocapsaicin
- Blair's 6 A.M. food additive
- 9,100,000
- Nordihydrocapsaicin
- 8,600,000
- Homodihydrocapsaicin
and homocapsaicin
- 7,100,000
- The Source sauce, from Original Juan
Specialty Foods
- 5,300,000
- Police grade pepper
spray
- 2,000,000
- Common pepper spray
- 1,500,000
- Da' Bomb The Final Answer sauce, from
Original Juan Specialty Foods
- 855,000 (reported & disputed)
- Naga
Jolokia pepper
- 350,000 - 580,000
- Red Savina habanero
(Guinness
Book of Records)
- 100,000 - 350,000
- Habanero
- 100,000 - 325,000
- Scotch
bonnet
- 100,000 - 225,000
- Birds
eye pepper
- 100,000 - 200,000
- Jamaican
hot pepper
- 100,000 - 125,000
- Carolina
cayenne pepper
- 95,000 - 110,000
- Bahamian
pepper
- 90,000
- Dave's
Ultimate Insanity Sauce
- 85,000 - 115,000
- Tabiche
pepper
- 50,000 - 100,000
- Thai
pepper
- 50,000 - 100,000
- Chiltepin
pepper
- 50,000
- Dave's
Insanity Sauce
- 40,000 - 58,000
- Piquin
pepper
- 40,000 - 50,000
- Super
chile pepper
- 40,000 - 50,000
- Santaka
pepper
- 30,000 - 50,000
- Cayenne
pepper
- 30,000 - 50,000
- Tabasco
pepper
- 15,000 - 30,000
- de
Arbol pepper
- 12,000 - 30,000
- Manzano
pepper
- 7,000 - 8,000
- Tabasco
habanero sauce
- 5,000 - 23,000
- Serrano
pepper
- 5,000 - 10,000
- Hot
wax pepper
- 5,000 - 10,000
- Chipotle
- 2,500 - 8,000
- Jalapeño
- 2,500 - 8,000
- Santaka
pepper
- 2,500 - 5,000
- Guajilla
pepper
- 2,500 - 5,000
- Tabasco
sauce
- 1,500 - 2,500
- Tabasco
chipotle pepper sauce
- 1,200 - 1,800
- Tabasco
garlic sauce
- 1,500 - 2,500
- Rocotilla
pepper
- 1,000 - 2,000
- Pasilla
pepper
- 1,000 - 2,000
- Ancho
pepper
- 1,000 - 2,000
- Poblano
pepper
- 700 - 1,000
- Coronado
pepper
- 600 - 1,200
- Tabasco
green pepper sauce
- 500 - 2,500
- Anaheim
pepper
- 500 - 1,000
- New
Mexico pepper
- 500 - 700
- Santa
Fe Grande pepper
- 100 - 500
- Pepperoncini
pepper
- 100 - 500
- Pimento
- 0
- Sweet
bell pepper
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