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논문 기본 정보

자료유형
학술저널
저자정보
Jimin Hyun (School of Marine Biomedical Sciences Jeju National University) Sang-Woon Lee (School of Marine Biomedical Sciences Jeju National University) Hyeon Hak Jeong (Department of Smart Green Technology Engineering Pukyong National University) 김재일 (부경대학교)
저널정보
한국수산과학회 Fisheries and Aquatic Sciences Fisheries and Aquatic Sciences 제26권 제2호
발행연도
2023.2
수록면
158 - 168 (11page)

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초록· 키워드

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The global output of Pyropia yezoensis (dried seaweed or laver, also called ‘Gim’ in Korea) has been reduced over the half-decade due to the wide spread of red rot disease, a serious algal disease affecting P. yezoensis. Recently, Gold 1 (G1), which is a resistant strain of P. yezoensis to red rot disease, was developed and commercialized in South Korea, yet its physiological activity has not been investigated. In this study, a comparative study was performed on G1 and commercially available strain of P. yezoensis (CP) for their antioxidative activities. Aqueous extract of G1 showed more marked 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity compared to that of CP. In 293T cells, antioxidant activity against H2O2-induced reactive oxygen species (ROS) formation was only observed in G1 extract. In addition, G1 extract showed more potent inhibitory effect on H2O2-induced apoptotic cell death than CP extract, as examined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and fluorescence microscopy. Expression levels of various apoptosis-related genes, including B-cell lymphoma 2-associated X protein, p53, capase-3, and inflammatory cytokines, in H2O2-treated cells were significantly decreased by the treatment of G1. Taken together, the present study suggests that a new strain of red seaweed G1 can recover oxidative stress effectively by improving the imbalance of ROS generation and has a potential to be used a functional ingredient as an antioxidant source.

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