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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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In the present study, protein hydrolysates were prepared from olive flounder Paralichthys olivaceus roe concentrate using different commercial proteases, and their functional properties and bioactivities were examined. Protamex (PR; 21.6%) showed the highest degree of hydrolysis, followed by alcalase (AL; 21.1%) and aroase AP-10 (AA; 20.2%). With regard to foaming activity, trypsin, chymotrypsin (CH), and bromelain (BR) had values ranging 181–188%, followed by neutrase (152%) and AA (141%). CH (36%) and BR (70%) maintained foam stability for up to 15 min. The oil-in-water emulsifying activity index of CH (10.6 m²/g) was the highest among all the hydrolysates. Notably, the 2,2′-azino-bis-3-ethylbenzo-thiazoline-6-sulfonic acid (ABTS+) radical scavenging activities (IC<sub>50</sub>) were significantly higher in pantidase NP-2 (68.1 μg/mL) and flavourzyme (FL, 69.8 μg/mL) than in other hydrolysates. The tyrosinase inhibitory activities of FL, PR, and AA were inhibited by 12.5–19.8%. Aangiotensin I converting enzyme inhibitory activity of the control was 80.9%, and that of the hydrolysates of CH, AA, PR, and AL, which exhibited higher inhibitory activity, ranged 87.6–90.7%. CH, BR, and AA AP-10 hydrolysates exhibited superior bioactivity and functional properties. Therefore, these hydrolysates can be used as food ingredients in novel types of functional food-enhancing seafood and food processing industries.
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