EC number 3.4.22.67 IntEnz IntEnz view ExPASy NiceZyme view | CAS number 246044-91-7 BRENDA BRENDA entry KEGG KEGG entry | |
Zingibain, zingipain, or ginger protease (EC 3.4.22.67) is a cysteine protease enzyme found in ginger (Zingiber officinale) rhizomes. It catalyses the preferential cleavage of peptides with a proline residue at the P2 position. It has two distinct forms, ginger protease I (GP-I) and ginger protease II (GP-II).
Uses
Zingipain curdles milk, and has been suggested as a vegetable rennet for cheese production. It is also used to make the Cantonese dish ginger milk curd.
Like papain from papayas and bromelain from pineapples, it is used as a meat tenderizer. However, extracted zingibain is unstable, with a half-life of about 2 days at 5°C, making it problematic for commercial applications.
References
Zingibain Wikipedia(Text) CC BY-SA