Angiotensin I-Converting Enzyme (ACE) Inhibitory Activity of Elk (Cervus elaphus) Velvet Antler

  • Karawita Rohan (Faculty of Applied Marine Science, Cheju National University) ;
  • Park, Pyo-Jam (Department of Biotechnology, Konkuk University) ;
  • Siriwardhana Nalin (Faculty of Applied Marine Science, Cheju National University) ;
  • Jeon, Byong-Tae (Nokyong Research Center, Konkuk University) ;
  • Moon, Sang-Ho (Nokyong Research Center, Konkuk University) ;
  • Ahn, Duk-Kyun (Jaseng Research Institute of Bio-Technology & Bioscience) ;
  • Chos, Somi-K. (Faculty of Biotechnology, Cheju National University) ;
  • Jeon, You-Jin (Faculty of Applied Marine Science, Cheju National University)
  • Published : 2005.09.01


Angiotensin I-converting enzyme (ACE) inhibitory activities of elk antler hydrolysates prepared with three kinds of proteases, pepsin, trypsin and $\alpha-chymotrypsin$, were investigated. The ACE inhibitory activity of the pepsinolytic hydrolysate was the highest with an $IC_{50}$ value of $9.3\mu g/mL.$ In addition, three kinds of pepsinolytic hydrolysates with relatively high molecular weights (over 10,000 Da), medium molecular weights (5,000 to 10,000 Da), and low molecular weights (below 5,000 Da) were fractionated using an ultrafiltration membrane system. The below 5,000 Da hydrolysate exhibited the highest ACE inhibitory activity. These results indicate that the pepsinolytic hydrolysates of elk velvet antler could be a good source of peptides with ACE inhibitory activity.


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