https://spice.alibaba.com/spice-basics/sichuan-peppercorns-numb
Why Sichuan Peppercorns Numb: Science Behind the Tingling
Discover why Sichuan peppercorns numb your mouth through hydroxy-alpha-sanshool activating touch receptors at 50 Hz, not heat receptors like chili peppers.
sichuan peppercornsscience behindnumbtingling