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By Janet Cooper
Published 2014
| Pure capsaicin | 15 to 16 million SHU |
| Habanero pepper | 100, 000 to 350, 000 SHU |
| Pequin pepper | 50, 000 to 100, 000 SHU |
| Cayenne pepper | 30, 000 to 50, 000 SHU |
| Serrano pepper | 10, 000 to 23, 000 SHU |
| Jalapeno pepper | 2, 500 to 8, 000 SHU |
| Poblano pepper | 500 to 2, 500 SHU |
| Pimento, peperoncini | 100 to 500 SHU |
| Bell pepper | zero SHU |
