Trung Nguyên Lê Tourism Company JSC, Trung Nguyên Franchising Company JSC and Coffee Hypermarket. Its chairman and CEO is Dang Le Nguyen Vu (in Vietnamese: Đặng Lê Nguyên Vũ), who is known as Vietnam's Coffee King. Trung Nguyên is known as an important producer and distributor of kopi luwak (Vietnamese: cà phê chồn), weasel coffee Trung Nguyen, also known as civet coffee, both natural and simulated. Kopi luwak, widely noted as the most expensive coffee in the world, is coffee made from the beans of coffee berries which have been eaten by the Asian Palm Civet (Paradoxurus hermaphroditus) and other related civets,
Metabolic waste excreta. Some mammals including humans excrete uric acid as a component of their urine but it is only a small amount. These compounds form during the catabolism of carbohydrates and lipids in condensation reactions, and in some other metabolic reactions of the amino acids. Oxygen is produced by plants and some bacteria in photosynthesis, while CO is a waste product of all animals and plants. Nitrogen gases are produced by denitrifying bacteria and as a waste product, and bacteria for decaying yield ammonia, as do most invertebrates and vertebrates. Water is the only liquid waste from animals and photosynthesizing plants.