Toxicodendron Dermatitis漆树皮炎 1 Heptadecylcatechol OH HO 2 Heptadecenylcatechol HO. 3 Heptadecadienylcatechol HO 毒葛Toxicodendron radicans Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis and Rhus dermatitis)is the medical name given to allergic rashes produced by the oil urushiol,which is contained in various plants,most notably those of the Toxicodendron genus:the Chinese lacquer tree, poison ivy,,poison oak毒葛，and poison sumac. 漆树科Anacardiaceae 真岛利行
Poison Sumac有毒漆树 Poison Sumac Toxicodendron vernix Toxicodendron dermatitis漆树性皮炎 OH OH R=(CH2)14CH3 or R=(CH2)7CH=CH(CH2)5CH3 or R=(CH2)7CH=CHCH2CH=CH(CH2)2CH3 or R R=(CH2)7CH=CHCH2CH=CHCH=CHCH3 or Urushiol漆酚 R=(CH2)7CH-CHCH2CH-CHCH2CH-CH2
Allergenic Mechanisms of Urushiol Poisonoak,poison sumac,poison ivy,cashew mango.peppers etc. OH OH Skin Oxidation Urushiol Quinone Mechanism of immune activation Acts as a hapten T-cell mediated delayed-type hypersensitivity Dermatitis Inhibition of SIRT Blisters Urushiol attaches to certain proteins of the skin,where it acts as a hapten 半抗原，leading to a type IV hypersensitive reaction
Can We Eat Mango Skin? Perioral dermatitis caused by mango Mangifera indica Is It Okay To Eat Mango Skin? Allergic reaction to mango was first described in 1939
Contact Dermatitis接触性皮肤炎 HO Cicutoxin HO Oenanthotoxin 1947 carotatoxin