In pine (family Pinaceae), the most important irritating compound is abieticacid, the principal sensitizer in rosin (colophony).
No significant amounts of abieticacid released into the air could be detected, but ¨peaks¨ of other volatile carbohydrates were identified.
Direct inhalation of abieticacid is therefore not likely, but the inhalation of saw dust and/or the consumption of embedding material expose the pets indirectly.
Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelial cells that surround the resin ducts in trees from temperate coniferous forests.
Mixtures of isomeric carboxylic acids, such as abietic and pimaric acids, which occur in rosin in nature in solvent-free form, in the form of tree sap or wood rosin such as pine oleoresin, where they are dissolved in terpenic hydrocarbons.
Kraft soap can be reneutralized in the presence of concentrated sulphuric acid to restore the acidic forms abieticacid, palmiric acid and their isomers which form the resin acid component of a pulping byproduct called tall oil.
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