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
Black Ivory Coffee coffee cherries does not adversely affect the elephants, and veterinary tests concluded that caffeine is not absorbed from the coffee cherries they consume. Black Ivory Coffee Black Ivory Coffee is a brand of coffee produced by the Black Ivory Coffee Company Ltd in northern Thailand from Arabica coffee beans consumed by elephants and collected from their waste. The taste of Black Ivory coffee is influenced by elephants' digestive enzymes, which breaks down the coffee's protein. The coffee beans are digested within 15 to 70 hours, and are present with various other ingredients in the elephants' stomachs, which imparts specific flavors