• Title/Summary/Keyword: 식물문

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Anti-oxidative Activities of Commercial Edible Plant Extracts Distributed in Korea (국내 유통 중인 식용식물 추출물의 항산화효과)

  • Kim, Kyung-Bum;Yoo, Ki-Hwan;Park, Ha-Yan;Jeong, Jong-Moon
    • Applied Biological Chemistry
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    • v.49 no.4
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    • pp.328-333
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    • 2006
  • Many plant extracts are known to have antioxidative effects. However, their activities can be reduced or disappeared during mass production process. The purpose of this study is to compare antioxidative effects of edible plant extracts distributed in Korea. forty three kinds of edible plant extracts commercially available in Korea were selected and investigated for their total phenolics contents and antioxidative potentials(DPPH radical and superoxide anion radical scavenging activities). In contents of total phenolics, the commercial plant extracts from Artemisia annua(whole plant), Ilex paraguariensis(leaf, Silybum marianum(fruit and leaf, Ulmus pumila(bark), Coliolus versicolor(fruit), and Curcuma longa(root and stem) contained over 70 mg/g of powder, DPPH radical scavenging activities($SC_{50}$, 50% scavenging concentration) of A. annua, I. paraguariensis, Pinus densiflora(leaf),S. marianum, U. pumila, and C. longa were $53.96{\pm}0.81\;ppm,\;24.61{\pm}2.12\;ppm,\;35.96{\pm}1.11\;ppm,\;57.46{\pm}2.13\;ppm,\;55.25{\pm}1.65\;ppm\;and\;12.99{\pm}1.67ppm$, respectively, while that of positive control(vitamin C) was $3.86{\pm}0.81\;ppm$. $SC_{50}$ values against superoxide anion radical of A. annua, Cinnamomum zeylanicum(bark), I. paraguariensis, Rubus coreanus(fruit and leaf), Morus alba(leaf), P. densiflora, S. marianum, U. pumila, C. versicolor, C. longa, Perilla frutescens var. acuta(leaf), and H. sabdariffa(leaf and newer) were $53.21{\pm}1.83ppm,\;50.12{\pm}2.12ppm,\;5.59{\pm}0.84ppm,\;41.60{\pm}8.93ppm,\;20.19{\pm}0.97ppm,\;15.19{\pm}1.66ppm,\;21.20{\pm}1.88ppm,\;15.71{\pm}0.91ppm,\;55.48{\pm}2.42ppm,\;52.12{\pm}2.44ppm,\;23.80{\pm}1.98ppm\;and\;11.14{\pm}0.51ppm$, respectively($SC_{50}$ value of vitamin C: $9.61{\pm}0.93ppm$). In particular, both 1 paraguariensis and P. densiflora had high content of phenolics as well as high scavenging activities of DPPH radical and superoxide anion radical. Consequently, above two commercial extracts may be useful as a source of antioxidative nutraceutics.

Assessment and Classification of Korean Local Corn Lines by the Application of Principal Component Analysis (I) (Principal Component Analysis Method에 의(依)한 한국재래종(韓國在來種) 옥수수의 해석(解析) 및 계통분류(系統分類)(I))

  • Lee, In Sup;Choe, Bong Ho
    • Korean Journal of Agricultural Science
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    • v.8 no.2
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    • pp.139-151
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    • 1981
  • To obtain breeding materials 57 Korean local corn lines collected were assessed and classified by the application of principal component analysis. The results obtained were as follows. 1. In the result of principal component analysis for 27 characters, 67.1% and 88.6% of total variation could be appreciated by the first four and fir st ten principal component respectively. 2. According to the value of characters and principal components, contribution of characters to principal components were very variable. 3. Biological meaning of the principal component and plant type corresponded to the each principal component were explained clear by the correlation coefficients between principal components and characters. 4. 57 lines were classified into 4 lineal groups by the taxonomic distances.

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Analysis on the Present Status and Characteristics of Agro-healing in Korea (한국 치유농업의 현황 및 특성 분석)

  • Gim, Gyung Mee;Moon, Jihye;Jeong, Sun Jin;Lee, Sang Mi
    • Journal of Agricultural Extension & Community Development
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    • v.20 no.4
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    • pp.909-936
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    • 2013
  • This study investigated definition of care farming in which advanced countries in agricultural industry such as Netherlands and Belgium increase their interest and investment, and established a strategy for settlement and development of care farming industry in Korea. For achieving purpose of the study, literature review was implemented to analyze policy, system, related law, workforce of advanced countries in care farming, and experts' conference which consists of 9 representatives such as professors, researchers in areas of agriculture, health, education, horticulture, animal-assisted therapy was implemented. Also survey was conducted targeting 165 people of practitioners in care farming industry. For the result, the concept of care farming in Korea was defined as 'Industry and activity which promotes psychological social physical cognitive health of every Korean people by utilizing agricultural resources(plants, livestock, rural environment, rural culture) or related activity and output', and the purpose, resources, targets of care farming was determined by the definition.

A List of Important Species and Distribution of Marine Phytoplankton in Korea (국내 해양식물플랑크톤의 주요종과 분포에 대한 조사)

  • 문성기;최철만
    • Journal of Environmental Science International
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    • v.12 no.7
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    • pp.725-733
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    • 2003
  • This survey was carried out to assess important species of phytoplankton in the ocean and bay in Korea from 32 references. The number of important species assessed from 50 genera 116 species. Of them, Bacillariophycea(diatoms) 34 genera 89 speceis(76.6%), Dinophyceae(dinoflagellates) 11 genera 22 species(18.9%), Chrysophyceae 2 genera 2 species(1.7%), Cyanophycea(blue-green algae), Raphidophyceae, Euglenophyceae(euglenoids) 1 genera 1 species(0.9%) respectively. By ecological characters, the number of dominant species were 79 species including Actinoptychus seranius, 50 species including Coscinodiscus centralis were recorded as frequently apperaing species and 36 species including Cochlodinium polykrikoides were recorded as red-tide causative organism. Also, 11 species including Prorocentrum micans were surveyed as the indicator including all ecological characters.

The Flora of Mt. Bongrae (봉래산(부산)의 식물상)

  • Cho, Jung-Hwan;Lee, Jung-Hoon;Moon, Sung-Gi;Sung, Jung-Sook
    • Journal of Environmental Science International
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    • v.16 no.9
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    • pp.1027-1037
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    • 2007
  • The purpose of this study was to investigate the flora of Mt. Bongrae in Busan from February 2004 to May 2005. The flora in the surveyed area were identified 291 taxa that belonged to 82 families, 201 genera, 251 species, 35 varieties, and 5 forms. Among them, evergreen broad trees were identified 21 taxa, naturalized plants 30 taxa, especial plants decided by Ministry of Environment 24 taxa. By the vegetation of each slope, in northeast slope, it was dominated such as Pinus thunbergii community, Chamaecyparis obtusa community, Amorhpa fruticosa community, Trachelospermum asiaticum var. intermedium-Hedera rhombea community, north-northeast slope, it was distributed both Pinus thunbergii community and board-leaved tree community. In the southwest slope of coast site, it was presented plantation plants, according to altitude distributed such as natural vegetation, evergreen broad trees, warm-temperate plants. In southeast slope, it was to represent secondary vegetation such as Alnus firma community as a forest fire. Underside was mainly to search herbs such as naturalized plants and cruciferous family as a vegetable garden. In northwest slope, it was searched trees such as Pinus thunbergii community, Lindera obtusiloba, Styrax japonca, Prunus sargentii, Aralia elata, Zanthoxylum piperitum, Akebia quinata and herb layer such as Osmunda japonica, Allium thunbergii, Liriope platyphylla, Corydalis ochotensis, Scilla scilloides, Viola orientalis. Around the top, it was distributed such as Rhododendron mucronulatum-Rhododendron schlippenbachii community, Carpinus coreana, Viburnum erosum, Sorbus alnifolia.

Nutrients and Particulate Organic Matter in Asan Bay (아산만의 영양염 및 입자성 유기물)

  • MOON Chang-Ho;PARK Chul;LEE Sung Yong
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.26 no.2
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    • pp.173-181
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    • 1993
  • Seasonal distributions of nutrients and particulate organic matter were investigated in Asan Bay, Korea. Most of nutrients were high in August and low in February. The atomic ratios of inorganic nitrogen to phosphorous were close to Redfield ratio except in May when the ratio was 24.8. In May, nutrient concentrations except phosphorous decreased with salinity until $31.5{\sim}32.0%0$, but the concentrations increased again with salinity, impling that there were nutrient input sources within the estuary. Howerer, significant inverse relationships between nutrients and salinity in August suggest that nutrient sources were river discharge. Maximum chlorophyll a concentrations occurred in May. Relatively low ratios of $R_b$ to $R_a$($R_b$: fluorescence before acidification; $R_a$: fluorescence after acidification) during the study periods indicate that phytoplankton were not in good physiological condition. Relatively low ratio of particulate biogenic silica(PBSi) to particulate organic carbon(POC) and high ratios of PBSi and POC to chlorophyll a during the study periods suggest input of non-living detrital PBSi and POC from bottom in Asan Bay, where strong tidal mixing occurs.

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Screening of Peroxynitrite and DPPH Raoical Scavenging Activities from Salt Marsh Plants (염생식물로부터 Peroxynitrite와 DPPH 라디칼 소거 활성 검색)

  • 서영완;이희정;김유아;안종웅;이범종;문성기
    • KSBB Journal
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    • v.19 no.1
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    • pp.57-61
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    • 2004
  • A peroxynitrite is formed when superoxide and nitric oxide exist at near eqimolar ratio in biological systems. Although not a free radical by chemical nature, peroxynitrite is a powerful oxidant having a wide array of tissue damaging effects ranging from lipid oxidation and inactivation of enzymes and ion channels through protein oxidation and nitration to inhibition of mitochondrial respiration. During our search for new antioxidizing components from natural resources, twenty salt marsh plants were screened for their ONOO and DPPH radical scavenging activities. Among them, methanol extract of Rosa rugosa, lxeris tamagawaensis, Erigeron annus, Tetragonia tetragonoides, Imperata cylindrica, and Suaeda japonica inhibited more than 85% of peroxynitrite produced by 3-morpholinsydnonimine (SIN-1) at a concentration of 5 $\mu\textrm{g}$/$m\ell$. In addition, Rosa rugosa, Artemisia capillaris, Erigeron annus and Ixeris tamagawaensis showed significant scavenging effect against DPPH (1,1-diphenyl-2-picrylhydrazyl radical).

A Herbological study on the plants of Rhamnaceae in Korea. (한국산(韓國産) 서이목(鼠李目) 식물에 관한 본초학적(本草學的) 연구(硏究))

  • Mun, Dae-Won;Jeong, Jong-Kil
    • The Korea Journal of Herbology
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    • v.21 no.3
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    • pp.21-33
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    • 2006
  • Objectives : The plans can be used for medicinal purposes among Rhamnales in korea and examined their effects and distributions. Methods : The examined herbalogical books and research papers which published at home and abroad. Results : 1. There are up to 10 genera and 35 species in the Rhamnales in Korea, and among them medicinal plants are 9 genera, 17 species, some 45% in total. 2. Rhamnella genus is the main kind that has 9 species among 35 species in the Rhamnales, of which medicinal plants are 4 species. 3. The cortex in the Rhamnales is the main part which is used medicinally. And the number of the species in the Rhamnales which are used medicinally is 16. 4. According to the nature and flavor of medicinal plants in the Rhamnales, they were classified into balance 33 species, and warm 13; sweet taste 28 and bitter taste 24 in the order. 5. According to meridian propism of medicinal plants in the Rhamnales, they were classified into heart meridian 8 species, stomach meridian 7, and liver meridian 6 in the order. 6. According to the properties and principal curative action, they were classified into drugs for detoxicant 30 species. drugs for antifebrile 23, and drugs for drain damp 13 in the order. 7. The number of toxic species in the Rhamnales was examined to be 6 species. Conclusion : There were totaled to 10 genera and 35 species in Rhamnales in Korea and among them medicinal plants are 9 genera, 17species, some 45% in total.

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Composition Optimization of Cabbage Extract Medium for Cell Growth of Lactobacillus plantarum (식물성 배지에서 Lactobacillus plantarum의 배양을 위한 배지 최적화)

  • Jeong, Eun Ji;Moon, Dae Won;Oh, Joon Suk;Moon, Jin Seok;Eom, Hyun Ju;Choi, Hye Sun;Kim, Chang Sup;Han, Nam Soo
    • KSBB Journal
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    • v.27 no.6
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    • pp.347-351
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    • 2012
  • This study was conducted to optim ize the composition of CEM (cabbage extract medium) and cryoprotectants on the growth of Lactobacillus plantarum, a probiotics growing in plant and milk. For this, we analyzed the growth characteristics of Lb. plantarum in CEM and subsequently optimized the medium composition by addition of carbon, nitrogen sources and buffering agents. Among carbon sources, glucose showed the best result to increase the cell density after dilution of CEM. When 0.5% yeast extract and 1% soy peptone were supplemented in the diluted CEM, Lb. plantarum grew up to the maximum cell density. Addition of buffering agents in CEM was not significantly effective to increase the cell density. Meanwhile, addition of 12% skim milk, 5% sucrose and 0.5% glycerol showed a cryoprotective effect against cell damage of Lb. plantarum during freeze drying process showing high survival rate after 150 days. This optimized CEM can be used for economical production of bacterial cells particularly originated from a plant-related ecosystem.

Management Plan and Vascular Plants of the Hwarang District in Gyeongju National Park (경주국립공원 화랑지구의 관속식물상과 관리방안)

  • You, Ju-Han;Mun, Sung-Ju;Lee, Woo-Sung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.14 no.5
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    • pp.17-35
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    • 2011
  • The purpose of this study is to offer the raw data for management and conservation of national park by systematic and objective surveying and analysing the flora distributed in the Hwarang district, Gyeongju national park. The results are as follows. The vascular plants in this site were summarized as 396 taxa: 95 families, 272 genera, 351 species, 2 subspecies, 38 varieties and 5 forma. The rare plants designated by Korea Forest Service were 5 taxa: Exochorda serratifolia S.Moore, Potentilla discolor Bunge, Prunus yedoensis Matsum, Lysimachia coreana Nakai and Inula salicina var. asiatica Kitam.. The korean endemic plants were 6 taxa: Populus tomentiglandulosa T.B.Lee, Clematis trichotoma Nakai, Lespedeza maritima Nakai, Lysimachia coreana Nakai, Forsythia koreana (Rehder) Nakai and Weigela subsessilis (Nakai) L.H.Bailey. The specific plants by floristic region were 30 taxa: Asplenium sarelii Hk., Salix chaenomeloides Kimura, Lysimachia barystachys Bunge, Achillea alpina L., Celtis aurantiaca Nakai, Vitex negundo var. incisa (Lam.) C.B.Clarke and so forth. The plants with approval for delivering oversea were 6 taxa: Clematis trichotoma Nakai, Exochorda serratifolia S.Moore, Glycine soja Siebold & Zucc., Lespedeza maritima Nakai, Lysimachia coreana Nakai and Weigela subsessilis (Nakai) L.H.Bailey. The naturalized plants were 49 taxa: Bilderdykia dumetora (L.) Holub, Descurainia pinnata Britton, Oxalis corymbosa DC., Bidens frondosa L., Panicum dichotomiflorum Michx. and so forth. The invasive alien plants were 2 taxa: Ambrosia artemisiifolia L. and Aster pilosus Willd. In future, if we will survey the flora of whole Gyeongju national park, we will offer the help to establishing the conservation plan of ecosystem in Gyeongju national park.