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
Tonka Bay, Minnesota Tonka Bay, Minnesota Tonka Bay is a city in Hennepin County, Minnesota, United States. It is located on Lake Minnetonka between the upper and lower lakes. The population of Tonka Bay was 1,475 at the 2010 census. According to the United States Census Bureau, the city has a total area of , of which is land and is water. Manitou Road serves as a main route. Horticulturist Peter Gideon claimed in what would become Tonka Bay. Here he propagated the "Wealthy" apple, named for his wife Wealthy Hull. Another early settler of the area was Stephen Hull. He made the