Meat Tenderiser 40g - Shan - Meat tenderizer refers to a powdered naturally derived enzyme powder. The enzyme most commonly used is papain, which comes from papayas, or bromelain, which comes from pineapples (a tropical fruit in the bromeliad family). Meat is sprinkled with powder, and the enzymes help to break down the meat fibers. The same result can be obtained by marinating meat in papaya or pineapple juice.