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
Cuisine of the Americas American cookery. The term "regional" is somewhat ambiguous, however, since, for example, the cuisine of Puerto Rico can differ markedly from Cuban cuisine; Mexican cuisine spills across the border into the Tex-Mex and Mexi-Cali "sub-cuisines"; and the cuisines of Michigan and Ontario have more in common with each other than either has with the cuisines of Manitoba or Iowa. Some of the richest products of South American cuisine come from the middle of the continent, the Amazon basin. In countries like Peru, there is a strong influence of the Inca and their cuisine. Potatoes are frequently grown as a result