Why do SPICY foods burn our mouth?

Foods that feel like our mouth is on fire

March 4th, 2016

Episode 6: Each taste bud contains 50 to 100 taste receptor cells. Some of which belong to a special class of vanilloid receptor called VR1 receptors. It turns out that spicy foods contain an active ingredient called capsaicin that is able to bind onto and activate the VR1 receptors.