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Development of Bioactive Substances from Fishery Processing by-products in Jeju

제주 수산가공부산물 유래 기능성 소재 탐색

Kang, Nalae;Lee, WonWoo;Ko, Ju-Young;Kim, Hyun-Soo;Kim, Junseong;Ahn, Yong-Seok;Ko, Chang-Ik;Jeong, Joon Bum;Jeon, You-Jin
강나래;이원우;고주영;김현수;김준성;안용석;고창익;정준범;전유진

  • Received : 2014.12.11
  • Accepted : 2014.12.22
  • Published : 2014.12.31

Abstract

In this study, we investigated the bioactive substances of the Alcalase hydrolysate obtained from fishery processing by-products in Jeju by measuring bioactivities including radical scavenging acitivty, cytoprotective activity against 2,2-azobis-(2-amidino-propane) dihydrochloride (AAPH), and ACE inhibitory activity. This study is important because of utilization of unused fishery processing by-products in Jeju. The Alcalase hydrolysate was prepared through the hot water extraction and enzymatic hydrolysis, and then further separation of the Alcalase hydrolysate was performed by ultrafiltration using 10 kDa molecular weight cut-off membrane. The Alcalase hydrolysate showed the relatively higher DPPH and peroxyl radical scavenging activity ($IC_{50}$ value; 1.30 mg/ml and 0.888 mg/ml, respectively). Also, the Alcalase hydrolysate showed the ACE inhibitory activity with 1.87 mg/ml of $IC_{50}$ value. These biological activities are increased over 1.2 or 2.5 times through the ultrafiltration of the Alcalase hydrolysate. Therefore, the Alcalase hydrolysate obtained from fishery processing by-products in Jeju and the different molecular weight fractions should be given consideration for food and cosmetics ingredient. Furthermore, this research on the utility of fishery processing by-products might be a useful tool into the industry.

Keywords

Alcalase hydrolysate;Fishery processing by-products;Radical scavenging activity;ACE inhibitory activity;Ultrafiltration

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Acknowledgement

Supported by : 한국연구재단