• Title/Summary/Keyword: Ecology characteristics

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Sensory Characteristics of Diluted Espresso(Americano) in Relation to Dilution Rates (에스프레소 희석 커피(아메리카노)의 희석 배수에 따른 관능적 특성)

  • Lee, Seung-Yeon;Hwang, In-Kyeong;Park, Mi-Hyun;Seo, Han-Seok
    • Korean journal of food and cookery science
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    • v.23 no.6
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    • pp.839-847
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    • 2007
  • The aims of this study were twofold: i) to investigate changes in the sensory characteristics and consumer preference of diluted espresso drinks according to different dilution rates; ii) to compare the physicochemical characteristics between diluted espresso coffees, using the preferred coffee of this study and commercial products from coffee shop chains. Descriptive analysis using a 15 cm line scale, and a consumer preference test were carried out by 6 trained panelist,; and 50 consumers (F=39, M=11), respectively. Appearance (transparent, black), odor (bitter, rich), taste (bitter, burnt, astringent, umami, sour), and mouth-feel (aftertaste, body, coarseness, oily, roughness, soft-swallowing) were significantly different among the 3-, 5-, 7-, 9-, and 11-times dilution rates. In particular, the sensory characteristics associated with mouth-feel showed obvious differences with the dilution rates. In the consumer preference test, the 9-times diluted espresso had the highest preference, whereas the 3-times diluted espresso showed the lowest preference. Moreover, the 9-times diluted espresso demonstrated similar physicochemical characteristics such as pH, sugar content, and total solid content to those of the commercial diluted espresso drinks from coffee shop chains. In conclusion, the sensory characteristics and consumer preference of the diluted espressos were influenced by the dilution rates.

Expressional characteristics of neo-naturalism in contemporary women's fashion (현대 여성 패션에 나타난 신자연주의의 표현 특성)

  • Park, Kyurey;Lee, Younhee
    • The Research Journal of the Costume Culture
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    • v.21 no.5
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    • pp.613-628
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    • 2013
  • This study aims to identify characteristics of neo-naturalism coming from periodical changes in the 21th society, culture based on naturalism and analyze the expressional and design characteristics of neo-naturalism on 2000s. For a research method, this study researched development of naturalism in fashion, and searched digital naturalism and ecology which are design paradigm effecting on neo-naturalism through literature research and preliminary study. Analyzing preliminary study on architecture, interior, fashion about digital naturalism and ecology design, concept of neo-naturalism identified and four expressional characteristics of neo-naturalism was classified, actual examples of neo-naturalism in 21th fashion were extracted and drew design characteristics. The results are as followings. Firstly, naturalism described nature as it is and developed according to the values and needs of the times. Naturalism in fashion showed natrual human body's curve, nature pattern and used natural materical focused on ideal beauty of nature. Secondly, neo-naturalism renews with the foundation of digital culture and ecology design paradigm, and focuses on the flexible possibility to express nature with digital, new media and formative art, and made the artificial nature uniting human-nature-environment as organic whole by ecology design paradigm. Thirdly, design of neo-naturalism divided four characteristics, nature's organic form, combination with the technology, ethical harmony with nature, global local design. The first characteristics of the nature's organic form are expressing silhouette of the nature's organic volume abstractly, the second ones of the combination with the technology are reinterpreting primitive nature contemporary with artificial sensibility of high technology, the third ones of the ethical harmony with nature are showing simple design and high-touch, and the forth ones of global local design are expressing cultural hybrid preserving vernacular design.

Sub-components of Housing Life-styles by the Characteristics of Apartment Housing Residents (공동주택 거주자 특성에 따른 주생활양식의 하위구성요인)

  • 김미희;이유미
    • Korean Journal of Human Ecology
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    • v.1 no.2
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    • pp.75-88
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    • 1998
  • This study designed to explore the patterns of housing life-styles and the characteristics of apartment housing residents and to examine the relationships between housing life-styles and the characteristics of apartment-housing residents. The data for this study was collected by questionnaires administered to 278 homemakers living in apartment housing over 20s pyong(66$m^2$) in the Kwangju area. The major findings of this study can be summarized as follows; 1. Housing life-styles were grouped into 9 sub-categories : the Anbang-centered, the dining-centered, the pursuit of conspicuosness and conformity, orientation to change, the pursuit of orderliness, the pursuit of decoration, orientation to community, pursuit of individuality and the orientation to a natural environment. 2. Housing life-styles were significantly different according to age, educational background, and employment status of homemakers, occupation of the primary income provider, family-life cycle stage, total household income, and housing size. (Korean J Human Ecology 1(2):75~88. 1998)

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An Comparison of Apartment Houses and Rural Houses in Characteristics of Unit Plans at Chonbuk Province (소양 문화마을 농촌주택과 전주 아파트 주거에 대한 평면 분석 연구 - 평면 특성의 비교를 중심으로 -)

  • Choi, Byung-Sook
    • Korean Journal of Human Ecology
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    • v.10 no.1
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    • pp.5-17
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    • 2007
  • The purpose of this study was to search out an relativeness to the apartment housing unit plans and the unit plans of rural houses. Unit plans data were collected from housing registration records or field survey methods. 45 rural plans and 53 apartment plans were analyzed. The results were as follows; First, the floor planning characteristics of rural houses were 'ㅋ'type of floor plan shape, 2.5 or 3 bay arrangement, L-DK type of social space, and the front entrance. Second, the floor planning characteristics of apartment houses were '-'type of floor plan shape, 2 bay arrangement, L...DK type of social space, and the side or rear entrance. Third, 3 bay arrangement method of rural houses effected to apartment houses, and L...DK type of apartment houses effected to rural houses. Utility or balcony spaces of rural houses was inversely effected from apartment houses.

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Degree of Rancidity and Sensory Characteristics of Frying Oils with Reuse and Storage at Home (가정에서의 튀김유지 재사용과 보관에 따른 산패도 및 관능적 특성 평가)

  • Lee, Seul;Kang, Sun-Hee;Kim, Min-Kyoung;Song, Soon-Ran;Yoon, Hyo-Jin;Lee, Min-Woo;Kang, Hee-Jin;Hwang, In-Kyeong
    • Korean journal of food and cookery science
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    • v.28 no.3
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    • pp.265-273
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    • 2012
  • The purpose of this study was to determine the effects of the duration of frying and storage periods on physicochemical characteristics of various oils using at home. The materials used for the study consisted of four kinds of vegetable oils: soybean, canola, extra virgin olive and pure olive oils, and shortening. Chicken breasts were fried in oils heated at $180^{\circ}C$. The oils were stored with or without filtering and reused 3 times, during the 10 day period. The extra virgin and pure olive oils showed higher acid, peroxide value and yellowness than the other oils (p<0.05), but soybean oil showed the highest increase in acid, peroxide value and yellowness with reusing and storage. In sensory evaluation, the chicken breast fried with soybean oils remarkably decreased the overall acceptance. These results suggested that all frying oils are available because acid and peroxide values of the oils are lower than the standard level. However, reusing soybean oil should be noted with caution in that it is very easy to reduce rancidity, and extra virgin olive oil is not appropriate for frying.

Antioxidative Effect and Quality Characteristics of Cookies Made with Sea tangle powder (다시마 분말을 첨가하여 제조한 쿠키의 품질특성과 항산화효과)

  • Cho, Hee-Sook;Park, Bock-Hee;Kim, Kyung-Hee;Kim, Hyeon-A
    • Journal of the Korean Society of Food Culture
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    • v.21 no.5
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    • pp.541-549
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    • 2006
  • The purpose of this study was to investigate the antioxidative effect and quality characteristics of cookies made with Sea tangle powder(STP). The cookies were at $30^{\circ}C$ for 45 days. The 3% STP had higher pH value compared to the other groups and control. As more STP was added, the L-value and b-value decreased, and the a-value increased for the color values. The results of sensory evaluation and acceptance test showed that the cookies with 3% STP was significantly more preferable in overall acceptability than the others. The acid value, peroxide value, and thiobarbituric acid value were lower in cookies with 3% and 6% STP than in those cookies made 9% STP and the control cookies.

Factors Influencing Roadkill Hotspot in the Republic of Korea

  • Kim, Kyungmin;Yi, Yoonjung;Woo, Donggul;Park, Taejin;Song, Euigeun
    • Proceedings of the National Institute of Ecology of the Republic of Korea
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    • v.2 no.4
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    • pp.274-278
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    • 2021
  • Road structures play an important role in collisions involving vehicles and wildlife. Our study aimed to determine the effect of various types of road structures on the risk associated with roadkill. We surveyed 50 previously identified roadkill hotspots, ranked from one to five according to roadkill density. We collected nine types of road structure data on each hotspot road section. Structures with similar characteristics were grouped together, resulting in five categories, namely, median barrier, high edge barrier, low edge barrier, speed, and visibility. We examined the existence of each road structure category at each hotspot rank. The cumulative link model showed that the absence of bottom blocked median barrier increased the roadkill hotspot rank. Our study concluded that a visual obstacle in the middle of roads by the median barrier decreases wildlife road crossing attempts and roadkill risk. We suggest that future roadkill mitigation plans should be established considering these characteristics.

Current status and characteristics of the Ecological and Natural Map in the Republic of Korea

  • Eui-Jeong Ko;Hyosun Leem;Junghyun Lee;Wooseok Oh
    • Journal of Ecology and Environment
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    • v.48 no.1
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    • pp.8-16
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    • 2024
  • The integration and management of various national ecological assessments are essential for the benefit of the public. In the Republic of Korea, the Ecological and Natural Map (ENM) serves as a comprehensive platform that synthesizes the results of national ecosystem surveys into a unified system interface. To provide the current status and characteristics of our policy, we analyzed the ENMs and related appeals from 2014 to 2022. Following their implementation, the ENM Guidelines underwent nine revisions, with most of the revisions pertaining to appeals. Nine public announcements were made regarding the ENM, resulting in a gradual expansion of the conservation area. The data also showed a consistent increasing trend in appeals. Most of the 1st-grade areas in the ENM regions where appeals were filed have significantly decreased. The larger area or the smaller population density of an administrative distinct, the more appeals were filed. Our study presents information regarding the current status of the ENM system. The analysis of the operational direction and indicator trends across the 16-year period since the establishment of the system provides valuable insights for similar systems.

First Report on Plum Pocket Caused by Taphrina deformans in South Korea

  • Oh, Nam Kwon;Hassan, Oliul;Chang, Taehyun
    • Mycobiology
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    • v.48 no.6
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    • pp.522-527
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    • 2020
  • Plum pocket caused by the dimorphic ascomycetous fungi, Taphrina spp., results in unsightly malformations and crop loss. In 2016, Japanese plums (Prunus salicina Lindl.) with plum pocket symptoms were found in Gimcheon. Three isolates were collected from symptomatic P. salicina fruits and identified as Taphrina deformans based on morphological characteristics and molecular sequence analysis of including internal transcribed space (ITS) and the mitochondrial small ribosomal subunit (SSU) regions of the three isolates. Pathogenicity test on plum fruits confirmed that, the present T. deformans isolates are causal agent of plum pocket. To the best of our knowledge, this is the first report of plum pocket caused by T. deformans in South Korea.