What is abietic acid in gum rosin?
Gum rosin contains abietic acid (AA) (Fig. 1a), dehydro abietic acid (DAA) (Fig. 1b), pimaric acid, isopimaric acid, palustric acid, neo abietic acid, levopimaric acid, tetrahydro abietic acid and dihydro abietic acid. Major component of gum rosin is AA, which...