• 농촌계획
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• 제25권1호
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• pp.11-20
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• 2019

The purpose of this study was to analyze the status of conservation and management of KIAHS(Korea's Important Agricultural Heritage System) by focusing on which of the conceptual and institutional characteristics and stakeholder activities, and to suggest improvement plans. The results were summarized as follows, first, insiders prioritize financial support and participate in plan execution and activities. Second, rural utilization and traditional agricultural succession activities and support are deficient. Third, administrators (intermediary) focuses primarily on KIAHS designation; ordinance enactment, manpower recruitment and other structural considerations are lacking. Fourth, the role of administrators (intermediary) is limited to operational funding and facility management support at the enforcement and activity stage. Fifth, outsiders besides visitors, such as the public or business enterprises, lacked participation methods. For the sustainable KIAHS, municipality must perceive agricultural heritage as a resource and recognize the importance, and treat it accordingly. The establishment of local-led conservation activities and movements must be considered in an enhanced investigation and excavation stage. The complementary policies that ensure continual support from experts from the first investigation and excavation stage to the final monitoring stage are necessary. The standards and regulations are necessary to achieve parity between conservation and maintenance of agricultural heritage, and its utilization.

• Journal of Microbiology and Biotechnology
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• 제31권6호
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• pp.855-866
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• 2021

The effects of various carbon sources on mycelial growth and polysaccharide synthesis of the medicinal fungus Inonotus obliquus in liquid fermentation were investigated. After 12-d fermentation, mycelial biomass, polysaccharide yield, and polysaccharide content were significantly higher in Glc+Lac group (glucose and lactose used as combined carbon source) than in other groups. Crude polysaccharides (CIOPs) and the derivative neutral polysaccharides (NIOPs) were obtained from mycelia fermented using Glc, fructose (Fru), Lac, or Glc+Lac as carbon source. Molecular weights of four NIOPs (termed as NIOPG, NIOPF, NIOPL, and NIOPGL) were respectively 780.90, 1105.00, 25.32, and 10.28 kDa. Monosaccharide composition analyses revealed that NIOPs were composed of Glc, Man, and Gal at different molar ratios. The NIOPs were classified as α-type heteropolysaccharides with 1→2, 1→3, 1→4, 1→6 linkages in differing proportions. In in vitro cell proliferation assays, viability of RAW264.7 macrophages was more strongly enhanced by NIOPL or NIOPGL than by NIOPG or NIOPF, and proliferation of HeLa or S180 tumor cells was more strongly inhibited by NIOPG or NIOPGL than by NIOPF or NIOPL, indicating that immune-enhancing and anti-tumor activities of NIOPs were substantially affected by carbon source. qRT-PCR analysis revealed that expression levels of phosphoglucose isomerase (PGI) and UDP-Glc 4-epimerase (UGE), two key genes involved in polysaccharide synthesis, varied depending on carbon source. Our findings, taken together, clearly demonstrate that carbon source plays an essential role in determining structure and activities of I. obliquus polysaccharides by regulating expression of key genes in polysaccharide biosynthetic pathway.

• 농촌지도와개발
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• 제30권3호
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• pp.131-141
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• 2023

This study aims to examine the structural relationships among leisure activity, psychological capital, and quality of life in rural healing tourists. Data were collected from 407 workers who had experience in rural healing tourism through an online survey. SPSS 28.0 and AMOS 28.0 were used for frequency, confirmatory factor, and structural equation modelling analysis. The results of structural equation modelling indicate participation in leisure activities had a positive effect on psychological capital. Psychological capital had a positive effect on quality of life. The results of this study suggest that leisure activities play an important role in improving workers' psychological capital. Through rural healing tourism, various outdoor activities, cultural activities, and social interaction with people using rural resources can help improve the psychological capital of workers.

• 농촌지도와개발
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• 제13권2호
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• pp.357-373
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• 2006

The study aims to explore the individual and group agreement of the direct payment of less-favored areas in Japan. This study was conducted by literature review, specialist interview and field visiting. The results of this study were as follows. First, direct payment policy in Japan was consisted of three components which were to maintaining multiple functions, to reorient agriculture sector, and to revitalizing the community activities. Second, the purposes of direct payments with conversion program is to reorient agriculture and revitalize the community activities which were changed from sustaining existing agriculture. Third, the conditions of group agreement is to make a agreement that a group of farmers should make a five-year agreement stipulating activities necessary to prevent the abandonment of farmland and to be more than one hector, and good agricultural practice or other activities favorable or friendly to environment should be implemented. As individual and group agreement, the land area of direct payment was 662,000 ha in less favored areas. In conclusion after direct payment in less favored areas, the abandonment of farmland was mitigated, and the agricultural production activities and community activities had become more vigorous through the discussion for planning their own land in the village.

• 한국가정과학회지
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• 제2권1호
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• pp.68-79
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• 1999

Investigations were made on the status of women groups on processing activities of agricultural products for the Hyogo prefecture in Japan. The data were analyzed with the Hideyosi for Windows(Version 1.19) and the Econometric View for Quantative Micro Softwere(Version 2.0). The results indicats that many rural women groups have their own experience on the activities of processing agricultural products and many other women groups have gained such experience from the management and establishment of the restaurants and direct sales stores. This kind of systems has influenced the activation of each rural district. Further development of the processing of agricultural products by rural women groups in the future demands better cooperation among diverse groups involved in these establishment centers and consumers. In addition, it is necessary to attract young people and train and upgrade them for successive consumers. (Korean J of Human Ecology 2(1) : 68∼79, 1999)

• Journal of Microbiology and Biotechnology
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• 제30권9호
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• pp.1282-1289
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• 2020

Previously, we performed an in silico analysis of the Periplaneta americana transcriptome. Antimicrobial peptide candidates were selected using an in silico antimicrobial peptide prediction method. It was found that periplanetasin-5 had antimicrobial activity against yeast and gram-positive and gram-negative bacteria. In the present study, we demonstrated the anti-inflammatory activities of periplanetasin-5 in mouse macrophage Raw264.7 cells. No cytotoxicity was observed at 60 ㎍/ml periplanetasin-5, and treatment decreased nitric oxide production in Raw264.7 cells exposed to lipopolysaccharide (LPS). In addition, quantitative RT-PCR and enzyme-linked immunosorbent assay revealed that periplanetasin-5 reduced cytokine (tumor necrosis factor-α, interleukin-6) expression levels in the Raw264.7 cells. Periplanetasin-5 controlled inflammation by inhibiting phosphorylation of MAPKs, an inflammatory signaling element, and reducing the degradation of IκB. Through LAL assay, LPS toxicity was found to decrease in a periplanetasin-5 dose-dependent manner. Collectively, these data showed that periplanetasin-5 had anti-inflammatory activities, exemplified in LPS-exposed Raw264.7 cells. Thus, we have provided a potentially useful antibacterial peptide candidate with anti-inflammatory activities.

• 농촌지도와개발
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• 제16권4호
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• pp.713-742
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• 2009

In the near future, the multicultural families are expected to be the majority of population living in the rural area, which is an aged and small-scaled society. Moreover, they are expected to have an important role in sustaining the culture of agriculture and a rural community. Therefore, it is very important for them to adjust and settle urgently as well as to develop a policy and social services for the adjustment and settlement. The purpose of this study is to identify different aspects of the participation in agricultural, social, and job activities of married immigrant women in a Korean rural area as well as to investigate the change of life satisfaction resulting from the l activities. The following findings were established from this study. First, married immigrant women participate in local social and agricultural activities in a Korean rural area more frequently than in their own country. However, the frequency of their participation in job activity in a Korean rural area is lower than in their own country. Second, the main factor that prevents married immigrant women from participating in agricultural activity in a Korean rural area is to carry out childcare, household chores, and farming at the same time. Their low participation in social activity and job activity mostly results from their lack of fluency in Korean. Third, married immigrant women score higher in the change of life satisfaction after participating in social activity and job activity than in agricultural activity.

• 한국식품영양학회지
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• 제30권6호
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• pp.1332-1340
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• 2017

In this study, we assessed antioxidant, anti-diabetic, and anti-Alzheimer activities of Opuntia ficus-indica var. saboten (OFI) at harvest time. OFIs were cultivated December 2015~November 2016 in Jeju island. The 70% ethanol extracts of OFI were used to investigate total polyphenol and flavonoid contents, antioxidant(DPPH and ABTS radical scavenging assay), anti-diabetic(yeast ${\alpha}$-glucosidase and rat ${\alpha}$-glucosidase inhibition assay), and anti-Alzheimer(Acetylcholinesterase and butyrylcholinesterase inhibition assay) activities. Total polyphenol and flavonoid contents of OFIs were $17.40{\sim}23.11{\mu}g$ garlic acid/mg Ex and 2.17~6.22 ug (+)-catechine/mg Ex, respectively. DPPH and ABTS radical scavenging activity of OFIs were 131.98~184.90 mg ascorbic acid(AA) eq/100 g and 63.60~101.83 mg AA eq/100 g, respectively. In the anti-diabetic and anti-Alzheimer activities, 70% ethanol extracts of OFI exhibited moderate inhibition activity, compared to control (acarbose and beberine). Total polyphenol and flavonoid contents, antioxidant, anti-diabetic, and anti-Alzheimer activities were no significant differences by season, respectively. Therefore, information on comparative biological evaluations of OFI may be a beneficial in exploring functional food and drug development.

• 한국농공학회:학술대회논문집
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• 한국농공학회 2000년도 학술발표회 발표논문집
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• pp.226-232
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• 2000

The design of agricultural facilities is the consistent activities, which systematically analyze all the actual conditions, design the unit structures, and improve the faming environment through efficient organization of the unit facility. The design of agricultural facilities is composed of site study, preliminary design, primary design, and detail design. Integrated design system can manage and process the information created by and used in all steps of design process. Formal data models of these design activities are important conceptual steps in development of integrated design system. However, most of existing models are not available for agricultural facilities. To support efficiently developing the integrated design system of agricultural facilities, we have developed the Multi-Layered Primitive-Composite mode I through object-oriented analysis of agricultural facilities. The MPC model not only satisfies the characteristics of agricultural facility, such as variety, coupling, informal data, but also improves abilities of integrated design system such as extensibility, flexibility, and granularity. The paper presents a formal definition of the MPC model.

• 한국지역사회생활과학회지
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• 제28권4호
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• pp.641-651
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• 2017

This study aimed to identify factors that promote participation of rural women in community activities. A total of 466 rural women (effective recovery rate 84.6%) residing in rural areas from October 10 to October 14 in 2016 were surveyed. The main results of the study are as follows. First, the highest participation of rural women in community activities involved women farmers' organizations, which also showed the highest satisfaction. The purpose of their participation in community activities was for community service. Second, there were differences in participation among groups according to individual factors such as age, annual income, and occupation as well as value factors such as sense of community and life satisfaction. Third, with higher age and income and sense of community, rural women were more likely to participate in community activities.