Trung Nguyên then passed through its digestive tract. After gathering, thorough washing, sun drying, light roasting, and brewing, these beans yield an aromatic coffee with much less bitterness. Trung Nguyên's Legendee brand coffee is a simulated kopi luwak product, which uses synthetic enzymes to mimic the civet's gastric acid, producing effects on flavour similar to actual kopi luwak, and reducing the need to rely on the civet, which is now endangered in Vietnam due to excessive hunting. In August 2010, Trung Nguyên CEO Dang Le Nguyen Vu reported that the company had begun manually producing its own natural (non-simulated) kopi luwak under
Large Indian civet as valid subspecies by 2005: The validity of "Viverra tainguensis" described in 1997 by Sokolov, Rozhnov and Pham Chong from Tây Nguyên in Gia Lai Province in Vietnam has been seriously questioned, and it is now generally considered a synonym of "V. zibetha". These names are questionable, as the species has not been recorded in the areas where languages are spoken: Large Indian civet The large Indian civet ("Viverra zibetha") is a civet native to South and Southeast Asia. It is listed as Least Concern on the IUCN Red List. The global population is considered decreasing mainly because of trapping-driven