腦啡肽酶（Enkephalinases）是可以分解內源性鴉片肽（內源性有嗎啡作用的肽）的酶，包括以下幾種：
- ^ 1.0 1.1 1.2 Thanawala, V.; Kadam, V. J.; Ghosh, R. Enkephalinase inhibitors: potential agents for the management of pain. Current Drug Targets. 2008-10, 9 (10): 887–894 [2021-11-10]. ISSN 1873-5592. PMID 18855623. doi:10.2174/138945008785909356. （原始內容存檔於2022-06-18）.
- ^ Lyons, Peter J.; Callaway, Myrasol B.; Fricker, Lloyd D. Characterization of carboxypeptidase A6, an extracellular matrix peptidase. The Journal of Biological Chemistry. 2008-03-14, 283 (11): 7054–7063 [2021-11-10]. ISSN 0021-9258. PMID 18178555. doi:10.1074/jbc.M707680200. （原始內容存檔於2022-07-09）.
- ^ Benuck, M.; Berg, M. J.; Marks, N. Separate metabolic pathways for Leu-enkephalin and Met-enkephalin-Arg(6)-Phe(7) degradation by rat striatal synaptosomal membranes. Neurochemistry International. 1982, 4 (5): 389–396 [2021-11-10]. ISSN 0197-0186. PMID 20487892. doi:10.1016/0197-0186(82)90081-x. （原始內容存檔於2022-09-03）.
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