Plicatic acid

Plicatic acid is a carboxylic acid from the resin acid group. It is naturally found in Thuja and cypress resin. It is the main irritant and contact allergen present in thuja wood. (Cf. pine, where the primary irritant is abietic acid.)

The highest concentrations of plicatic acid can be found in Thuja plicata (Western Red cedar), but Thuja occidentalis (Eastern Arborvitae) and Cryptomeria japonica (Sugi) contain it in significant proportions as well.

单词	Plicatic acid
释义	Plicatic acid 英语百科 Plicatic acid Plicatic acid is a carboxylic acid from the resin acid group. It is naturally found in Thuja and cypress resin. It is the main irritant and contact allergen present in thuja wood. (Cf. pine, where the primary irritant is abietic acid.) The highest concentrations of plicatic acid can be found in Thuja plicata (Western Red cedar), but Thuja occidentalis (Eastern Arborvitae) and Cryptomeria japonica (Sugi) contain it in significant proportions as well.
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