Ketnawa, Sunantha; Chaiwut, Phanuphong; Rawdkuen, Saroat (2012). "Pineapple wastes: A potential source for bromelain extraction". Food and Bioproducts Processing. 90 (3): 385–391. doi:10.1016/j.fbp.2011.12.006.
Hale LP, Greer PK, Trinh CT, James CL (April 2005). "Proteinase activity and stability of natural bromelain preparations". International Immunopharmacology. 5 (4): 783–793. doi:10.1016/j.intimp.2004.12.007. PMID15710346.
Guo R, Canter PH, Ernst E (October 2006). "Herbal medicines for the treatment of rhinosinusitis: a systematic review". Otolaryngology–Head and Neck Surgery. 135 (4): 496–506. doi:10.1016/j.otohns.2006.06.1254. PMID17011407.
Hale LP, Greer PK, Trinh CT, James CL (April 2005). "Proteinase activity and stability of natural bromelain preparations". International Immunopharmacology. 5 (4): 783–793. doi:10.1016/j.intimp.2004.12.007. PMID15710346.
Guo R, Canter PH, Ernst E (October 2006). "Herbal medicines for the treatment of rhinosinusitis: a systematic review". Otolaryngology–Head and Neck Surgery. 135 (4): 496–506. doi:10.1016/j.otohns.2006.06.1254. PMID17011407.
pubchem.ncbi.nlm.nih.gov
"Bromelain". PubChem, National Library of Medicine, US National Institutes of Health. 14 September 2019. Retrieved 17 September 2019.
"Bromelain". National Center for Complementary and Integrative Health, US National Institutes of Health. 24 September 2017. Retrieved 17 December 2018.