구주소나무오일

Pine-needle oil is produced primarily in Eastern (Hungary) and Southeastern (Bulgaria) Europe by steam distillation of the needles of the Norwegian or Scotch pine, Pinus sylvestris L. var. sylvestris or Pinus nigra Arnold ssp. nigra. It is a colorless or yellowish liquid with an aromatic, turpentine-like odor. In China, pine-needle oil is also obtained from Pinus massoniana Lamb. d25 0.857–0.885; n20D 1.4730–1.4785; α20D 4 ° to +10 °; solubility: 1 vol in 6 vol of 90% ethanol, sometimes slightly opalescent; ester content (calculated as bornyl acetate): 1.5–5%.