Search results
Results From The WOW.Com Content Network
Characteristics. Urushiol in its pure form is a pale-yellow liquid with a density of about 0.968 g/mL and a boiling point of 200 °C (392 °F). It is soluble in diethyl ether, acetone, ethanol, carbon tetrachloride, and benzene. [12] [13] Urushiol is a mixture of several closely related organic compounds. Each consists of a catechol substituted ...
Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]
Poison ivy aka 3 leaves is a type of allergenic plant in the genus Toxicodendron native to Asia and North America. Formerly considered a single species, Toxicodendron radicans, poison ivies are now generally treated as a complex of three separate species: Toxicodendron radicans, Toxicodendron rydbergii, and Toxicodendron orientale.
It varies. "The oil from poison ivy can stay on close for days, weeks or months," says Dr. Benedict Ifedi, MD, a primary care doctor with Memorial Hermann. Dr. Ifedi also cites CDC reports that ...
Toxicodendron radicans, commonly known as eastern poison ivy[ 3] or poison ivy, is an allergenic flowering plant that occurs in Asia and eastern North America. The species is well known for causing urushiol-induced contact dermatitis, an itchy, irritating, and sometimes painful rash, in most people who touch it.
Poison ivy. What it looks like: Poison ivy is a type of allergic contact dermatitis that is caused by the oil (urushiol oil) in the poison ivy plant, explains Karan Lal, D.O., M.S., F.A.A.D ...
Mill. [1] Toxicodendron is a genus of flowering plants in the sumac family, Anacardiaceae. It contains trees, shrubs and woody vines, including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction.
Anacardic acids are phenolic lipids, chemical compounds found in the shell of the cashew nut ( Anacardium occidentale ). An acid form of urushiol, they also cause an allergic skin rash on contact, [ 1] known as urushiol-induced contact dermatitis. Anacardic acid is a yellow liquid. It is partially miscible with ethanol and ether, but nearly ...