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국산 홍합과 뉴질랜드 초록입 홍합 열수 추출물의 알코올분해효소 활성에 미치는 영향 및 DPPH 라디칼 소거능과 Angiotensin Converting Enzyme 저해 활성
김시경(Si-Kyung Kim),옥둘이(Dul-Lee Ok),박은주(Eunju Park),이승철(Seung-Cheol Lee) 한국식품영양과학회 2014 한국식품영양과학회지 Vol.43 No.9
우리나라 남해안 연안에서 주로 양식되는 진주담치(국산 홍합)와 세계적으로 기능성이 잘 알려진 뉴질랜드 초록입 홍합의 열수 추출물을 제조하여 생리활성을 비교하였다. 모든 홍합 추출물들은 알코올대사와 관련한 alcohol dehydrogenase(ADH)와 acetaldehyde dehydrogenase(ALDH)의 활성을 상승시켰으며, 특히 ADH의 활성을 크게 향상시켰다. 국산 홍합의 육질 추출물은 초록입 홍합의 육질 추출물에 비하여 ADH 상승 효과는 비슷하였으며, ALDH 상승 효과는 약간 낮았다. DPPH 라디칼 소거능으로 조사한 항산화능은 국산 홍합의 육질 추출물이 초록입 홍합의 육질 추출물보다 높았다. 항고혈압과 관련한 ACE 저해능의 경우에는 국산 홍합 육질 추출물이 초록입 홍합의 육질 추출물에 비해 10 mg/mL 농도에서는 낮았으나 20 mg/mL 이상의 농도에서는 유의차(P<0.05)를 보이지 않았다. 이상의 결과는 국내에서 양식되고 있는 홍합도 세계적으로 초록입 홍합에 못지않은 생리활성을 가지고 있음을 시사한다. The physiological activities of cultivated Korean blue mussel (Mytilus edulis) and New Zealand green-lipped mussel (Perna canaliculus) were analyzed and compared. Both hot water extracts of blue mussel flesh (BMF) and green-lipped mussel flesh (GMF) showed increased activities of alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH). BMF showed increased ADH and slightly decreased ALDH activities compared to GMF. 1,1-Diphenyl-2-picrylhydrazyl radical scavenging activity of BMF was higher than that of GMF at the same concentration. BMF and GMF showed similar inhibitory activity against angiotensin converting enzyme at a concentration of 30 mg/mL. These results suggest that cultivated Korean blue mussel has similar physiological activity with New Zealand green-lipped mussel.
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공동 수자원을 둘러싼 환경갈등의 해소방안 : 원칙과 방법의 재검토
이시경(Si Kyung Lee) 한국지방자치학회 2000 한국지방자치학회보 Vol.12 No.2
Recently, environmental conflict over water resources among regions has much impact on the economic growth and social order in South Korea. According to many studies in this field, principled negotiation among interest group has been recommended to solve the environmental conflict. Moreover, it is not yet devised what kinds of principles and methods of negotiation are effective to settle the conflict. This study investigates to the most equitable principle and method which seem to solve the environmental conflicts over water conservation and use among regions in South Korea through analyzing developing countries cases. The finding of this study are as follow; First, it is necessary to follow the Public Doctrine Theory to solve the water environmental conflicts, because water resources are public goods, and also has to be distributed to all the peoples and all the generations. It means that coordinating powers of central government over water resources conflict has to be strengthened. Second, to settle water conflict, it needs to introduce and enlarge the Equitable Utilization Principle of common water resources. And also, to realize equitable cost division structure, we are devised to harmonize the Polluter Pays Principle with the Beneficiary Pays Principle. Third, as methods of negotiation, Interstate Compact and Regulatory Negotiation seem to be desirable to settle water resources conflicts in South Korea.
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연구논문 : 광역 수계 유역관리 제도의 개선과제: 낙동강을 중심으로
이시경 ( Si Kyung Lee ) 한국환경정책학회 2011 환경정책 Vol.19 No.2
It has been more than 10 years since the river basin management system was introduced to Korea, and the research regarding that area is still at the beginning level. This study analyzes the problemof current river basinmanagement systemfocusing on Nakdong River and seeks improvement in order to extract the policy implication. Organizational structure, financial mean and regulation scheme for the river basin management were covered. Role of Nakdong River environmental office and River Basin Commission was discussed at the organization structure, the central government`s financial aid and operation of river management fund at the financial mean, control of land use and total pollutant loadmanagement systemat the regulation scheme. The flawof our river basinmanagement stems fromthe lack of understanding the environmental state of river basin and preparation before implementing the policy. There are three policy implications. Firstly, river environmental office must actually control the whole river areas by integrating organizations related to wide area river basin. Secondly, water management expenses should be shared in the framework of polluter`s pays principle and benefit principle, and the financial capability of local government should also be considered. Thirdly, a variety of land use regulation policies must be reflected on the citymanagement plan to attain a legal force.
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이시경(Lee, Si-kyung) 한국정책개발학회 2018 정책개발연구 Vol.18 No.1
Based on the previous research, environmental policy principles were selected and components of principles were examined. Environmental policy principles mean basic rules or laws that must be consistently applied to policy process. A component is a measure of the concepts. Environmental policy principle is divided into ideological and instrumental principles. The ideological principles are classified as sustainable development and circulation, and the instrumental principles are classified as precaution, polluters pay, and integration. Sustainable development is becoming increasingly influential as a guiding principle. The application area of circulation is expanding from waste management to resource and material circulation. Precaution and polluters pay are becoming a core principle of environmental policy. As the complexity and interrelation of environmental problems increase, integration principle is increasingly applied to environmental policy principle. The ideological principle of sustainable development and interdependence between instrumental principles is increasing. This article will contribute to the establishment of desirable policy objectives for environmental policies and the selection of effective policy instruments and to advance the study of environmental policy principles.
ScienceON
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