1. In the first half of the 20th century, coffee farms in Vietnam's highlands were still located in the vast forests where musk cats lived, and every time the coffee was ripe, the musk cats would enter the farms to taste the ripe coffee fruits, and the coffee beans that had not been digested by the musk cats were discharged from the body, which is where the famous Vietnamese cat poop coffee came from.

2, the surface of scientific research, musk cats of a variety of digestive juices and digestive enzymes do penetrate into the coffee beans, these digestive juices and digestive enzymes contain catalytic enzymes, able to break the large protein molecules, the formation of various short peptide segments and a variety of free amino acids, to promote frying when the meladic reaction, the formation of a variety of new flavors.

3, because the flavor of coffee is affected by the protein composition, so it has been proposed that changes in the number and type of proteins in the intestinal tract of musk cats is the main reason for the special flavor of cat poop coffee.