An enzyme capable of digesting protein,obtained from the unripe fruit of the papaya and used as a meat tenderizer and in medicine as a digestive aid.

• 番木瓜酶，可消化蛋白质的酶，从番木瓜的鲜果汁可得到，用作肉的柔嫩剂，在医药中用于助消化。