Kopi Luwak proteolytic enzymes which break down the beans' proteins, yielding shorter peptides and more free amino acids. The proteins also undergo non-enzymatic Maillard browning reactions in the later roasting process. Moreover, while inside a civet the beans begin to germinate by malting which also lowers their bitterness. Marcone also conducted an analysis on the volatile compounds which are responsible for the coffee's flavour and aroma, showing that there are significant differences from regular coffee. He concluded that: According to Dr. Davila Cortes, the altered protein structure degrades the effectiveness of the coffee as a diuretic. Few objective assessments of taste are
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