Fruit bromelain (EC 3.4.22.33, juice bromelain, ananase, Bromelase (a trademark), bromelin, extranase, pinase, pineapple enzyme, traumanase, fruit bromelain FA2) is an enzyme. This enzyme catalyses the following chemical reaction Fruit bromelain (EC 3.4.22.33, juice bromelain, ananase, Bromelase (a trademark), bromelin, extranase, pinase, pineapple enzyme, traumanase, fruit bromelain FA2) is an enzyme. This enzyme catalyses the following chemical reaction This enzyme is isolated from pineapple plant, Ananas comosus.