Tonka bean oil Tonka bean oil Tonka bean oil is extracted from the seed of "Dipteryx odorata". The oil is composed primarily of coumarin, which is used to flavor tobacco. It is neither a pressed oil, nor an essential oil, but was traditionally obtained by soaking the large, single tonka bean seed in rum or other alcohol for 24 hours, after which crystals of coumarin appear on the outside of the seed, and are then collected. The seeds contain up to 46% oil by dry weight. In recent years, most commercially produced coumarin are synthetic, which has reduced the demand for tonka beans
Renfe Feve by FEVE before it disappeared were located along or near Spain's Atlantic Ocean and Bay of Biscay coastline, which stretches from Galicia in the northwest, through Asturias and Cantabria to the Basque Country (with a branch extending into Castile and León). Together they formed a large and strategically important system, which was why – unlike the other, more isolated regional railways – they have been retained under the integrated management of FEVE. FEVE operated of track, of which were electrified. An exclusive tourist service operated by FEVE is a long line, the "Transcantábrico", which runs along the entire length of