Vanilla pulp used in papermaking, in which the lignin is broken down using sulfites or sulfates. However, vanillin is only one of 171 identified aromatic components of real vanilla fruits. The orchid species "Leptotes bicolor" is used as a natural vanilla replacement in Paraguay and southern Brazil. In 1996 the US Food and Drug Administration cautioned that some vanilla products sold in Mexico were made from the cheaper tonka bean which as well as vanillin also contains the toxin coumarin. They advised consumers to always check the ingredients label and avoid suspicously cheap products. In the United States, castoreum, the exudate
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