15 or 17 carbon atoms. The exact composition of the mixture varies, depending hypersensitive response in plants pdf the plant source. Longer side chains tend to produce a stronger reaction. Before the urushiol has been absorbed by the skin, it can be removed with soap and water.
Once urushiol has penetrated into the skin, attempting to remove it with water is ineffective. Urushiol is too small a molecule to directly activate an immune response. Can Reaction to Poison Ivy Cause Mango Allergy? Human Natural Killer T Cells infiltrate into the Skin at Elicitation Sites of Allergic Contact Dermatitis”. This page was last edited on 25 December 2017, at 17:18.