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Scoville Scale

The chemist Wilbur Lincoln Scoville designed a scale to measure the degree of spiciness in chili peppers, often we find it indicated by the abbreviation SHU (Scoville Heat Units) which indicates the amount of capsicina contained.

At the beginning the tests were done by diluting the extract of chili with sugar and water, the more the product was diluted and the higher was its Scoville gradation, the test was performed by 5 tasters until finding the zero point. Subsequently, thanks to the technology, very sophisticated machines have been devised, such as HPLC (High performance liquid chromatography), which have now replaced the sensitivity of man with sophisticated and precise machines.

Scoville scale updated

Scoville Gradation

Type of chilli pepper

15.000.000 - 16.000.000

Diidrocapsaicina, Capsaicina pura

8.800.000 - 9.100.000


6.000.000 - 8.600.000

Omodiidrocapsaicina, Omocapsaicina

2.500.000 - 5.300.000

Spray al peperoncino della polizia

2.000.000 - 2.200.000

Carolina Reaper (Ibrido)

1.067.286 - 2.000.231

Trinidad Moruga Scorpion, Trinidad Scorpion Butch Taylor, Naga Viper, Infinity Chili, Spray al peperoncino comune

855.000 - 1.041.427

Naga Morich, Naga Dorset, Seven Pod

876.000 - 970.000

Bhut Jolokia (noto anche come Ghost Chili, Ghost Pepper), Naga Jolokia (Ibrido)

350.000 - 855.000

Habanero Red Savina, Indian Tezpur

100.000 - 350.000

Habanero, Jamaican Hot, Bird's Eye (noto anche come "Piripiri", "Pilipili", "African Devil")

50.000 - 100.000

Scotch Bonnet, Santaka, Chiltecpin, Rocoto, Thai Pepper (noto anche come Thai Dragon),

30.000 - 50.000

Ají, Cayenna, Tabasco, Piquin, Hot Lemon Drop

15.000 - 30.000

Chile de Arbol, Calabrese, Manzano

5.000 - 15.000

Peter Pepper, Serrano, Jalapeno

2.500 - 5.000

Mirasol, Chipotle, Poblano

1.500 - 2.500

Sandia, Cascabel, NuMex Big Jim, NuMex Suave

1.000 - 1.500

Ancho, Anaheim, Pasilla Bajio, Española

100 - 1.000

Mexican Bell, Cherry, New Mexico Pepper, Bell pepper, Paprika

0 - 100

Sweet Bell Pepper, Pimento (Pimenta dioica), Sweet Paprika

Do you want to buy and grow chili? then click here: chili seeds

In addition, below you will find two other very interesting articles:

The world’s hottest chili

How to grow chillies