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
Vanilla production in French Polynesia production (FAO records for 2013) in French Polynesia (specifically Tahiti) accounted to only about 0.07% of the total world production; it was 60 tons from an area of with an yield of 13 hectograms per ha, comparative to the 3,500 tons yielded by plantations in Madagascar, and 3,400 tons yielded in Indonesia. Some plantations are open to tourists; Maison de la Vanille for instance, near Haamene, permits visitors to view the vanilla preparation and drying processes. The island of Tahaa offers a tour, conducted by a private outfit, that takes visitors to one of the older and more voluminous plantations,