Do you know how much capsaicin is in a teaspoon of cayenne pepper?

The capsaicin content of cayenne pepper has been reported to range from 2.19 to 19.73 mg/gram of dry weight (here is the URL to the reference study: http://ift.tt/1xglOoP).One teaspoon of cayenne pepper weighs 1. ...

from The World's Healthiest Foods http://ift.tt/1tNkSs2