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
North American cuisine North American cuisine North American cuisine includes foods native to or popular in countries of North America, such as Canadian cuisine, American cuisine, Mexican cuisine and Central American cuisine. North American cuisines display influence from many international cuisines, including Native American cuisine, Jewish cuisine, Asian cuisine, and especially European cuisine. As a broad, geo-culinary term, North American cuisine also includes Central American and Caribbean cuisines. These regions are part of North America, so these regional cuisines also fall within the penumbra of North American cookery. The term "regional" is somewhat ambiguous, however, since the cuisine of Puerto Rico can differ