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Plicatic acid

 

 
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Plicatic acid
 
 
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Plicatic acid is a carboxylic acid
Carboxylic acid

Carboxylic acids are organic acids characterized by the presence of a carboxyl group, which has the Chemical formula -COH, usually written -COOH or -CO2H....
 from the resin acid
Resin acid

Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelium cells that surround the resin ducts in trees from temperate coniferous forests....
 group. It is naturally found in thuja
Thuja

Thuja is a genus of coniferous trees in the Cupressaceae . There are five species in the genus, two native to North America and three native to eastern Asia....
 and cypress
Cupressaceae

The Cupressaceae or cypress family is a conifer family with worldwide distribution. The family includes 27 to 30 genera with about 130-140 species....
 resin. It is the main irritant and contact allergen present in thuja wood. (Cf. pine
Pine

Pines are Pinophyta trees in the genus Pinus, in the family Pinaceae. They make up the monotypic subfamily Pinoideae. There are about 115 species of pine, although different authorities accept between 105 and 125 species....
, where the primary irritant is abietic acid
Abietic acid

Abietic acid , a resin acid, is the primary irritant in pine wood and resin, isolated from rosin and is the most abundant of several closely related organic acids that constitute most of rosin, the solid portion of the oleoresin of coniferous trees....
.)

The highest concentration of plicatic acid can be found in Thuja plicata
Thuja plicata

Western redcedar is a species of Thuja, an evergreen Pinophyta tree in the cypress family Cupressaceae, native to the northwestern United States and southwestern Canada, from southern Alaska and British Columbia south to northwest California and inland to western Montana....
 (Western Redcedar), but Thuja occidentalis
Thuja occidentalis

Thuja occidentalis is an evergreen Pinophyta tree, in the cypress family Cupressaceae, which is widely cultivated for use as an ornamental plant....
 (Eastern Arborvitae) and Cryptomeria japonica
Cryptomeria

Cryptomeria is a genus of Pinophyta in the Cupressaceae family Cupressaceae formerly belonging to the family Taxodiaceae; it includes only one species, Cryptomeria japonica ....
 (Sugi) contain it in significant proportions as well.

Exposition to plicatic acid or thuja wood dust can worsen asthma
Asthma

Asthma is a common chronic obstructive pulmonary disease, in which the Lung constrict, become inflammation, and are lined with excessive amounts of thickened mucus, often in response to one or more triggers....
 and provoke allergic reactions.







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Encyclopedia


Plicatic acid is a carboxylic acid
Carboxylic acid

Carboxylic acids are organic acids characterized by the presence of a carboxyl group, which has the Chemical formula -COH, usually written -COOH or -CO2H....
 from the resin acid
Resin acid

Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelium cells that surround the resin ducts in trees from temperate coniferous forests....
 group. It is naturally found in thuja
Thuja

Thuja is a genus of coniferous trees in the Cupressaceae . There are five species in the genus, two native to North America and three native to eastern Asia....
 and cypress
Cupressaceae

The Cupressaceae or cypress family is a conifer family with worldwide distribution. The family includes 27 to 30 genera with about 130-140 species....
 resin. It is the main irritant and contact allergen present in thuja wood. (Cf. pine
Pine

Pines are Pinophyta trees in the genus Pinus, in the family Pinaceae. They make up the monotypic subfamily Pinoideae. There are about 115 species of pine, although different authorities accept between 105 and 125 species....
, where the primary irritant is abietic acid
Abietic acid

Abietic acid , a resin acid, is the primary irritant in pine wood and resin, isolated from rosin and is the most abundant of several closely related organic acids that constitute most of rosin, the solid portion of the oleoresin of coniferous trees....
.)

The highest concentration of plicatic acid can be found in Thuja plicata
Thuja plicata

Western redcedar is a species of Thuja, an evergreen Pinophyta tree in the cypress family Cupressaceae, native to the northwestern United States and southwestern Canada, from southern Alaska and British Columbia south to northwest California and inland to western Montana....
 (Western Redcedar), but Thuja occidentalis
Thuja occidentalis

Thuja occidentalis is an evergreen Pinophyta tree, in the cypress family Cupressaceae, which is widely cultivated for use as an ornamental plant....
 (Eastern Arborvitae) and Cryptomeria japonica
Cryptomeria

Cryptomeria is a genus of Pinophyta in the Cupressaceae family Cupressaceae formerly belonging to the family Taxodiaceae; it includes only one species, Cryptomeria japonica ....
 (Sugi) contain it in significant proportions as well.

Exposition to plicatic acid or thuja wood dust can worsen asthma
Asthma

Asthma is a common chronic obstructive pulmonary disease, in which the Lung constrict, become inflammation, and are lined with excessive amounts of thickened mucus, often in response to one or more triggers....
 and provoke allergic reactions.

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