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
American Chinese cuisine suey as well as locally farmed produce and regionally procured seafood ingredients are found in Chinese as well as non-Chinese food in and around Boston. The evolving American Chinese scene in Philadelphia exhibits commonalities with the Chinese cuisine scenes in both New York City and Boston. There is a growing Fujianese community in Philadelphia as well, and Fuzhou cuisine is readily available in the Philadelphia Chinatown. Like Boston, the emerging Vietnamese cuisine scene in Philadelphia is contributing to the milieu of Chinese cuisine. Hawaiian-Chinese food developed somewhat differently from Chinese cuisine in the continental United States. Owing to the diversity