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논문 기본 정보

자료유형
학술저널
저자정보
Hye Lim Jang (Yeungnam University) Seung Ryeul Shin (Daegu Haany University) Kyung Young Yoon (Yeungnam University)
저널정보
한국식품저장유통학회 Food Science and Preservation 한국식품저장유통학회지 제24권 제4호
발행연도
2017.7
수록면
542 - 549 (8page)

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초록· 키워드

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In this study, a peptide exhibiting antioxidant activity was isolated from sandfish (Arctoscopus japonicus) roe hydrolysate (SRH) in order to evaluate their practical uses as materials for manufacturing functional foods. The A. japonicus roe protein was hydrolyzed using Collupulin MG, and isolation of antioxidant peptide was performed using ultrafiltration (UF), prep-HPLC, and RP-HPLC. The SRH with a molecular weight below 3 kDa constituted about 38% of the whole hydrolysate, and the fraction with a molecular weight below 3 kDa showed significantly greater antioxidant activity compared to the original SRH and other fractions. The isolation fold of the antioxidant peptide isolated from SRH throughout the four-step procedure was 7.11-fold, and protein yield was 14.8%. The DPPH radical scavenging activity of isolated antioxidant peptide was above 90% at a concentration of 1.0 mg/mL, which was similar to that of the Trolox at a concentration of 0.1 mg/mL. These results suggested that the antioxidant peptide derived from A. japonicus roe could be a useful additive for producing functional foods and protein supplements. However, it is necessary to perform further study the structural characteristics of this antioxidant peptide isolated from A. japonicus roe.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
References

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UCI(KEPA) : I410-ECN-0101-2018-059-001945362