• Korean Journal of Organic Agriculture
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• v.29 no.1
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• pp.85-96
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• 2021

Reflux esophagitis (RE) is a common gastrointestinal disease observed at all ages, which seriously affects the quality of life. In this study, we investigated the anti-inflammatory effects of Pomacea canaliculata extract (PCE) using the experimental RE rat model. RE was induced by a surgical procedure. The rats were randomly divided into 4 groups: normal group, RE group, PCE group (RE treated with PCE, 100 mg/kg), positive control group (RE treated with ranitidine, 40 mg/kg). We performed the histological examination and measured the expression of tight junction complex and inflammatory mediators using western blot analysis. The phenotypes of RE were attenuated by PCE treatment. PCE administration significantly reduced esophageal mucosal damage and protected tight junction confirmed by claudin-5. Furthermore, PCE treatment reduced inflammatory reaction by inhibiting the expression of COX-2 and TNF-α. PCE treatment, also, reduced translocation of NF-κB into nuclear and IκB-α phosphorylation at the same time. Our findings indicate that PCE has the potential as a novel therapeutic agent to inhibit RE by protecting mucosal damage and regulating inflammatory reactions mediated by NF-κB signaling.

• Proceedings of the KAIS Fall Conference
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• 2011.05b
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• pp.1003-1005
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• 2011

브랜드 포트폴리오 전략에 따르면 브랜드의 수가 지나치게 많을 경우 브랜드를 지원할 자원은 부족하게 된다. 보령시는 머드를 외국으로부터 전량 수입하는 것에 착안하여 세계 5대 머드로 손꼽히는 대천 앞바다의 보령머드를 개발하여 화장품으로 상품화 하는데 성공하였다. 천연 및 유기농 등 자연주의 화장품에 대한 소비가 증가하여 유기농 화장품시장이 크게 성장함에 따라 보령머드화장품도 연관성이 높고, 차별화되고, 활력을 가진 브랜드를 만들어야 한다. 조사 결과, 소비자의 개성과 시대의 트렌드에 부합하려는 보령머드화장품의 노력은 브랜드의 선택과 집중이 판매형식(시판, 장판, 특판, 방판)에 따라서 고객세분화 되어 있다는 것에서 잘 나타나고 있다. 이를 바탕으로 한정된 자원의 효율적 분배를 통한 제품 개발이 이루어지고 있음을 알 수 있다.

• Korean Journal of Organic Agriculture
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• v.28 no.4
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• pp.459-475
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• 2020

This study analyzes weather derivatives as an alternative risk management tool to stabilize farm revenue to complement the existing crop insurance program which suffers from asymmetric information problems such as adverse selection, moral hazard, and verifiability. We estimated apple yield functions to observe the relationship between yields and weather indices such as temperature and precipitation. Based on the estimated yield functions we designed weather futures and options products underlying temperature and precipitation, and calculated the prices of futures and options by two different approaches, historical distribution and Monte Carlo simulation. We found that weather futures and options stabilize farm revenue based on the estimated four risk indicators: Coefficient of Variation, Value at Risk, Certainty Equivalence, and Risk Premium. As a result, weather derivatives could be considered as a potential farm risk management tool through studying more in legal and institutional strategies and developing various derivatives products.

• Korean Journal of Organic Agriculture
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• v.29 no.4
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• pp.523-538
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• 2021

The purpose of this paper is to analyze the difference of the value in main production areas affected through the hedonic price model and the conjoint analysis. In addition, the partial value of each attribute level, and the consumers' willingness to pay(WTP) for change in each attribute level are analyzed. For this, we compared the value of apple determined in Garak market with the value that consumers' WTP. The result showed that there is a gap between the market value and the consumers' preferences on apple. It means that it is necessary for the local branding to be more developed to receive higher sales. Furthermore, understanding the consumers' preferences on the apple attributes can enhance the consumer utility and the competitivity. As a result, this study provides an apple marketing direction for main production areas that has been changing due to climate change.

• Korean Journal of Organic Agriculture
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• v.30 no.1
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• pp.37-50
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• 2022

This study analyzes the impact of Import beer demand on Anti-Japanese sentiment. Recently anti-Japanese sentiment heightened by the media was found to be drastically reducing the consumption of Japanese beer in the domestic imported beer market. Thus, the study used the import demand function of imported beer to analyze the impact of the 'Priming Effect' on the consumption of imported beer by anti-national sentiment, indicating a significant drop in Japanese beer consumption in other countries. Therefore, this study used the imported beer import demand function by country to analyze the impact of the priming effect on imported beer consumption according to anti-national sentiment. As a result, in the case of imported beer consumption in other countries, it was estimated that indirect consumption substitution occurred considerably.

• Korean Journal of Organic Agriculture
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• v.31 no.3
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• pp.191-209
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• 2023

The purpose of this study is to establish a strategy to activate the export of Korean paprika to Vietnam. For this, we survey 202 adults in Vietnam, and analyzed the paprika purchase and consumption behavior, preferences, considerations, and willingness to pay. Most of respondents had purchased paprika, and offline grocery stores are the major purchasing location of paprika. The price elasticity of Korean paprika is greater than 1, showing more elasticity than other origins, and it is advantageous to implement the price reduction strategy. The number of household members and the level of education affect purchasing intentions. In conclusion, product composition targeting small households, pricing strategy, and K-Food marketing are appropriate.

• Proceedings of the Korean Society of Community Living Science Conference
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• 2003.11a
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• pp.141-141
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• 2003

소득수준의 향상됨에 따라 환경과 건강에 대한 관심이 높아지면서 유기농산물에 대한 소비자 선호도가 증가하고 있음에도, 유기농산물의 품질에 대한 의구심 등으로 소비확대를 제약하는 요인들은 상존하고 있으며, 특히, 중요 식량자원인 쌀의 경우 유기농 쌀의 식품영양학적 품질 구명 연구는 미진한 실정이다 본 연구는 유기농 쌀의 품질 인증 및 식품영양학적 특성 구명에 기초자료로 활용할 목적으로 오리농법과 관행농법 및 표준시비법(대조구)으로 재배된 추청벼를 현미와 백미로 각각 도정한 후 영양성분 조성을 분석하였고, 동일조건에서 취반한 쌀밥의 관능적 특성을 조사하였다.

• Proceedings of the Korean Vacuum Society Conference
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• 2011.02a
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• pp.387-387
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• 2011

ITO (Indium-Tin Oxide)는 전기전도도, 가시광선투과도가 높으며, 패터닝하기 쉬운 장점을 가지나 Indium의 자원 고갈에 의한 재료비 상승의 문제점을 가지고 있어, 이를 대체하기 위한 연구가 진행되고 있다. 본 연구에서는 ITO 대신 AZO (ZnO:Al)를 기판온도에 따라 마그네트론 DC 스퍼터를 이용하여 소다라임 글래스에 증착하여 투명전극의 전기, 광학적 특성을 분석하였다. 조건에 따라 증착된 AZO 투명전극위에 유기 태양전지 흡수층으로 Poly (3-hexylthiophene) (P3HT)와 (phenyl-C61-butyric acid methyl ester (PCBM)를 사용하였으며, Glass/AZO/P3HT:PCBM/PEDOT:PSS/Ag의 구조를 갖는 Inverted 유기 태양전지를 제작하여 ITO 투명전극에 제작된 유기태양전지와의 특성을 비교, 분석 하였다.

• Korean Journal of Construction Engineering and Management
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• v.4 no.1 s.13
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• pp.106-113
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• 2003

In this study, The matrix method was used with common category concept according to the construction project control system. For the purpose of systematic resource management planning, it should be established on accomplished EVM data for clearing the ordering point according to the attribute procurement analysis. Resource management was presented by connecting the material requirement calculation method and the attribute of procurement method based on the EVM, suggested through analyzing process-data modeling using integrated schedule, cost and material.

• Korean Journal of Environment and Ecology
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• v.16 no.4
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• pp.498-502
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• 2003