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 major producers of the crop, with native families involved in its growth from "seed to pod." However, in the 20th century, the Chinese, who came initially as labor for the plantations, became the primary actors in processing the crop for, marketing to, and making the crop available to the international market, though still some farms are owned by people of French and native origins. Vanilla is grown on small patches of land both as a single crop as well as an inter crop. As it needs lot of water for growth, it is largely grown on the rainier windward side