• Title/Summary/Keyword: A. fauriei

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Effect of Fertilization Rates on Growth, Root Yield and Essential Oil Composition in Korean Valerian (Valeriana fauriei var. dasycarpa Hara) (한국산 쥐오줌풀의 생육, 수량 및 정유성분 조성에 미치는 시비량의 영향)

  • Cho, Chang-Hwan;Han, Ouk-Kyu;Choi, Young-Hyun;Yun, Seung-Gil
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.42 no.6
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    • pp.814-820
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    • 1997
  • This study was conducted to establish standard fertilization rates for the cultivation of Korean valerian(Valeriana fauriei var. dasycarpa Hara) which is useful for medicinal and aromatic resources. Nitrogen, phosphate and potassium were treated with four application levels, 0, 6, 9, 12kg per 10a, and the growth characteristics, root yield and essential oil compositions of valerian were measured. The growth and root yield of valerian were the highest in the rate of 9kg per 10a for nitrogen, phosphate and potassium, respectively. Nitrogen had the most powerful effective followed by potassium and phosphate. The contents and compositions of essential oil also varied with the amount of fertilization. The contents of the essential oil was the highest in the application level of 9kg per 10a for nitrogen, phosphate and potassium, respectively. The essential oil compositions were affected by the fertilization rate.

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In Vitro Assay on Antioxidant Activity and Cytotoxicity of Methanol Extracts from Young Sprouts of Several Korean Salad Plants

  • Chon, Sang-Uk;Ahn, Chan-Young;Lee, Sook-Young
    • Korean Journal of Plant Resources
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    • v.20 no.6
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    • pp.499-503
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    • 2007
  • Antioxidant activity, total phenolics level and cytotoxicity of the methanol extracts from the young sprouts of 5 Korean woody salad plants were determined. Methanol extracts of Kalopanax pictus had the highest DPPH radical scavenging activity, with an $IC_{50}$ value of 23.5mg $100g^{-1}$, and followed by Valeriana fauriei(43.1mg $100g^{-1}$), and Morus alba(>100mg $100g^{-1}$). Total phenolic content showed the highest amount in methanol extracts from Kalopanax pictus(23.7mg $100g^{-1}$), and followed by Valeriana fauriei(22.7mg $100g^{-1}$), Aralia elata(16.8mg $100g^{-1}$) and Morus alba(14.2mg $100g^{-1}$). In a MTT assay, methanol extracts of Aralia elata with $IC_{50}$ values of 151.0 and $140.7{\mu}g\;mL^{-1}$ showed the most potent cytotoxicity on Calu-6 and MCF-7, respectively. On the other hand, methanol extracts of Kalopanax pictus($IC_{50}=96.5{\mu}g\;mL^{-1}$) showed the highest activity against HCT-116, and followed by those of Aralia elata($123.3{\mu}g\;mL^{-1}$), and Actinidia arguta($162.0{\mu}g\;mL^{-1}$). Total phenolic content of the tested plant extracts was correlated with the DPPH radical scavenging activity, suggesting the phenolic compounds may contribute to the antioxidant properties of Korean salad plants.

Floristic Study of Algific Talus Slope (Yeotan-ri, Jeongseon-gun) in a Specific Area of Forest Biodiversity (산림생물다양성 특정지역 풍혈지(정선군 여탄리)의 관속식물상)

  • Lee, Jong-Won;Yun, Ho-Geun;Hwang, Tae Young;An, Jong Bin
    • Korean Journal of Plant Resources
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    • v.35 no.2
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    • pp.317-345
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    • 2022
  • This study carried out a survey to utilize basic data for the conservation of northern lineage plants that are vulnerable to climate change, targeting algific talus slope of a specific forest biodiversity region in Yeotan-ri, Jeongseon-eup, Jeongseon-gun, Gangwon-do. The survey was conducted by dividing the wind hole into 625 m2 inside and 6,925 m2 outside based on the wind hole. The vascular flora were identified as 84 families, 203 genera, 296 species, 6 subs., 27 var., 2 for., and a total of 331 taxa. This was found to be about 7% of 4,724 species of vascular plants in Korea. Plants endemic to the Korean peninsula were identified as 19 taxa, including Syringa fauriei, and 11 taxa for rare plants designated by IUCN. Critically endangered grade (CR) was Paeonia obovata 1 taxa, Endangered grade (EN) was Forsythia saxatilis and Prunus choreiana 2 taxa. A total of 78 taxa were florisitc target species, and 19 taxa were classified for indicator plants in the limestone area. As for alien plants, 20 taxa such as Taraxacum officinale were identified, and the naturalization rate was 6.04% and the urbanization rate was 5.33%. Geographical plants of the study area are 2 taxa of Syringa fauriei and Syringa villosa subsp. wolfii.

Floristic study of lagoon areas on the eastern coast in Korean peninsula (한반도 동해안 석호의 관속식물상)

  • Kim, Jung-Hyun;Kim, Sun-Yu;Hong, Jeong-Ki;Nam, Gi-Heum;An, Ji-Hong;Lee, Byoung Yoon;Kim, Jin-Seok
    • Korean Journal of Plant Taxonomy
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    • v.47 no.1
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    • pp.51-93
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    • 2017
  • Eastern coastal lagoons are a particular type of estuarine systems where seawater mixes with fresh water from their catchments. With the development of aquatic vegetation, this area shows high level of biodiversity. The purpose of this study is to produce a strategy for the comprehensive conservation of the vegetation of coastal lagoons through studies of the floristics and plant species compositions in 17 eastern coastal lagoons in Korea. Vascular plants were collected 109 times, from June of 2010 to November of 2014. The results showed that there were 720 taxa in total, including 118 families, 378 genera, 655 species, 13 subspecies, 46 varieties, and 6 hybrids. Korean endemic species numbered 11 taxa, and vascular plants listed in the red list according to the International Union for Conservation of Nature (IUCN) numbered 18 taxa. Indicator species of fourth (IV) and fifth (V) degree, as specified by floristic subregions, numbered 23 taxa. Among the species investigated in this survey, there were 4 taxa of plants of southern origin and 8 taxa of plants of northern originin the Korean peninsula. Several rare plants, Thermopsis lupinoides, Ligusticum hultenii, Mitrasacme alsinoides, Utricularia australis, Juncus fauriei, Carex vesicaria, and Puccinellia kurilensis, were distributed in eastern coastal lagoons. In all, 96 alien plants were recorded in the investigated area. The coastal lagoons on the eastern coast of Korea showed high plant diversity with many rare plants and phytogeographically important plants. Conservation strategies to ensure biodiversity and effective management of coastal lagoons are discussed in detail.

Analysis of Genetic Relationship of Pear (Pyrus spp.) Germplasms Using AFLP Markers (AFLP 표지를 이용한 배 유전자원의 유연관계 분석)

  • Cho, Kang-Hee;Shin, Il Sheob;Kim, Hyun Ran;Kim, Jeong-Hee;Heo, Seong;Yoo, Ki Yeol
    • Korean Journal of Breeding Science
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    • v.41 no.4
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    • pp.444-450
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    • 2009
  • Amplified fragment length polymorphism (AFLP) marker was utilized for evaluation of genetic diversity of 60 pear germplasms. Twenty selective AFLP primer pairs generated a total of 522 polymorphic amplification products. From UPGMA (unweighted pair-group method arithmetic average) cluster analysis by using polymorphic bands, the pear germplasms were divided into four clusters by similarity index of 0.691. The first cluster (I) included European pears belonging to Pyrus communis and wild species such as P. nivalis and P. cordata. The second cluster (II) included Ussurian pea pears belonging to P. betulaefolia and P. fauriei. The third cluster (III) included pea pears belonging to P. calleryana and P. koehnei. Most of germplasms belonging to P. pyrifolia and P. ussuriensis, and interspecific hybrids were included in the fourth (IV) cluster. Therefore pear germplasms originated from East Asia were closely related to P. pyrifolia and P. ussuriensis. Similarity values among the tested pear germplasms ranged from 0.584 to 0.879, and the average similarity value was 0.686.

Isolatin and Quantitative Determination of 20-Hydroxyecdysone from Achyranthis Radix (우슬로부터 20-Hydroxyecdysone의 분리 및 함량분석)

  • Hwang, Ji-Hyun;Lee, Seung-Ho;Park, Jeong-Hill;Kang, Shin-Jung;Chang, Seung-Yeup;Lee, Kyong-Soon;Son, Kun-Ho
    • Korean Journal of Pharmacognosy
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    • v.30 no.3
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    • pp.335-339
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    • 1999
  • Separation and quantitative determination of 20-hydroxyecdysone from Achyranthis Radix has been conducted by using HPLC method. 20-hydroxyecdysone in a methanol extract from the raw drug was separated on a reverse phase column using a $CH_3CN-H_2O\;(18:82)$ solvent system and the average content is $0.0931{\pm}0.0048%$. For the preparation of authentic standard, we isolated 20-hydroxyecdysone from the roots of Achyranthes fauriei by $SiO_2$ and RP-18 column chromatography.

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A Bibliographic Study on the Therapeutic Effects of Achyranthis Radix in Arthritis (우슬(牛膝)의 관절염(關節炎) 치료(治療) 효능(效能)에 관(關)한 서지학적(書誌學的) 고찰(考察))

  • Park, Hee-Soo;Shin, Sun-Ho;Chang, Tong-Young
    • The Journal of Internal Korean Medicine
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    • v.21 no.5
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    • pp.697-704
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    • 2000
  • According to herbalogical bibligraphy and literature, therapeutic effects of Achyranthis Radix on arthritis was as follows, 1. Achyranthis Radix of Amaranthaceae is divided into five species-Achyranthes japonica, A. bidentata, A. longifolia, A. fauriei, Cyathula capitata, C. officialis and the characteristic, taste, channel entry, effects and main treatments were alike. 2. Winefrying stood for repairing treatement method for Achyranthis Radix Before repairing treatment method, Achyranthis Radix had three tastes(bitter, sour, and sweet) and calm and not poisoning characteristic. After repairing treatment method, the bitter taste was disappeared, and calm and not poisoning characteristic was changed into warm characteristic. 3. Effects of Achyranthis Radix were quicking the blood and dispelling stasis, liver-kidney supplement and strengthening musculo-skeletal system. Main treatments were relief of lumbar and knee joint pain, static menstrural block and wind-cold- damp impediment. 4. Contraindication of Achyranthis Radix was sympthom caused by spleen-kidney yang vacuity, upper burner disease and lower burner hemorrhage etc. Being used in pregnant woman, it could incur abortion. 5. Contraindication of Achyranthis Radix was beef, milk and mutton. It's fear was Radix Cynanchi Stauntonii and Semen Plantaginis. It's aversion was the firefly. Herba Taraxaci, Carapax Amydae, Carapax Testudinis and Radix Cynanchi Stauntonii. From above results, I suppose Achyranthis Radix has enough herbalogical foundation and could be used to treat arthritis and it is necessary to make a profound study of it.

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Genetic and morphological divergence of Euphorbia esula and E. maackii in Korea (Euphorbiaceae) (한국산 흰대극(Euphorbia esula)과 섬흰대극(E. maackii)의 유전적, 형태적 분화)

  • Jung, Han-Jin;Park, Ki-Ryong
    • Korean Journal of Plant Taxonomy
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    • v.42 no.4
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    • pp.267-274
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    • 2012
  • To understand morphological and genetic differentiation between Euphorbia esula and E. maackii we examined 12 morphological characters and 11 isozyme loci from 14 populations of two species. Species of E. esula complex (A = 1.63, P = 44.83, $H_e$ = 0.198) in Korea maintain nearly as high as the genetic diversity reported in East Asian E. jolkinii and E. fauriei while lower than those of E. ebracteolata and E. pekinensis in Korea. Although the ranges of most morphological character variation of the two species overlap, E. esula and E. maackii were well recognized by the combination of the morphological traits, and the result of UPGMA phenogram supports the two distinct species inhibited in Korea. However, isozyme data do not support the recognition of E. esula and E. maackii. The discordance between morphological and allozyme data should be explained by the recent divergence or gene flow via introgressive hybridization between two species.

Natural Product-Based Products for Sleep Improvement: Analysis of Patent Status in Korea (불면증 관련 천연물 추출물의 특허 동향 분석)

  • Lee, Jung-Gyung;Kang, Sung-Hyun;Kwon, Chan-Young
    • Journal of Oriental Neuropsychiatry
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    • v.33 no.3
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    • pp.287-299
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    • 2022
  • Objectives: The purpose of this study was to analyze the trend of natural product-based products for sleep improvement in Korean patents, to enhance the development and application of natural-products for sleep disorder in terms of Korean medicine. Methods: We collected patent data using the KIPRIS database and ScienceON database. Two authors independently screened patents that potentially met the criteria, and assessed full texts of screened patents for eligibility. Included patents were analyzed, quantitatively as well as qualitatively. Results: A total of 60 patents were selected 2008-July 2022. The number of patents have been on the rise since 2017, and reached 12 in 2018. Companies have registered the most patents, followed by the Industry-University Cooperation Foundation. Zizyphi semen (n=6), Lactuca sativa L. (n=5), Valeriana fauriei/officinalis (n=4), Poria cocos (n=4) were frequently used herbs among 60 patents. Twenty-one patents (35%) included medicinal herbs with sleep improving effects. Among 60 patents, alcohol extraction (70%) was mostly used, followed by water immersion (50%), and hot water extraction (48.3%). Conclusions: Analysis results showed that various Korean medicine herbs, are being used for natural-products for sleep disorder. The results will be helpful towards inventing new patents using Korean medicine, developing natural product extracts for sleep improvement, and extending the range of these products in clinical use.