• Title/Summary/Keyword: Jung-Yue Jang

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A Study on the Influence of Jingyuequanshu to Korean Medicine in the late Chosun dynasty ("경악전서(景岳全書)"가 조선후기(朝鮮後期) 한국의학(韓國醫學)에 미친 영향(影響)에 대한 연구(硏究))

  • Ha, Ki-Tae;Kim, June-Ki;Choi, Dall-Young
    • The Journal of Korean Medicine
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    • v.20 no.2
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    • pp.12-26
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    • 1999
  • Jing-Yue Jang(張景岳, 1563{\sim}1640$), a medical scalar in the late Ming(明) Dynasty wrote many books such as Leijing(類經), Zhilyilu(質疑錄) and Jingyuequanshu(景岳全書). He was also famouse for the concept of 'Warming and Recuperating(溫補)' and 'Syndrome Differantation Treatment(辨證論治)', Jingyuequanshu was written between 1636 and 1640, and first published in 1700, It can be said that the book was imported from Ming Dynasty of China to Chosun(朝鮮) Dynasty, in what is now South Korea. between 1713 and 1724 In eighteen century. the book was quoted in Euimunbogam(醫門寶鑑), Jejungshinpyun(濟衆新篇) and Magwaheotong(麻科會通). In nineteen century. the book was quoted in Euijongsonik(醫宗損益), Bangyakhappyun(方藥合編), Dongeuisusebowon (東醫壽世保元) and Euigamjungma(醫鑑重磨). The number of quoted prescription and thesis during in nineteen century. is much more than that of eighteen century, Specifically, there are thirty prescriptions of Xinfangbazhen(新方八陣) in Bangyakhappyun, and the concept of 'Nourishing Yang(扶陽)' in Euigamjungma is also based upon Jing-Yue's thesis, This fact shows that we cannot consider the medicine of the late Chosun Dynasty as an abridgement of Dongeuibogam(東醫寶鑑). It is also said that the study focusing on medical books imported from China to Korea in this period is related to understanding the medical progress in the late Chosun Dynasty and the medical intercommunication between Korea and China.

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Assessing Geographic Origins of Green Teas Using Instruments

  • Jang, Jung-Hyen;Kim, Euk-Seob;Wu, Shu-Yu;Lu, Jian Liang;Liang, Hui Ling;Du, Ying-Ying;Lin, Chen;Liang, Yue-Rong
    • Food Science and Biotechnology
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    • v.17 no.5
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    • pp.1016-1020
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    • 2008
  • Parameters of soluble solids, amino acids, catechins, and color difference of 24 green tea samples from China and Korea were determined. The levels of soluble solids, amino acids, total catechins, and infusion lightness in tea samples from Korea were higher than those from China. Concentrations of epigallocatechin galate and epigallocatechin in teas from China were higher than tea samples from Korea. Geographical origin of teas from the 2 countries was discriminated using parameters of infusion lightness, gallocatechin, and total catechins and applying principal component analysis.

Antiangiogenic activity of non-aqueous fraction from Sparassis crispa extract in human umbilical vein endothelial cells (혈관내피세포에서 꽃송이버섯(Sparassis crispa) 소수성 추출물의 항혈관신생 활성)

  • Han, Jang Mi;Gong, So Youn;Sohng, Jae Kyung;Kang, Yue Jai;Jung, Hye Jin
    • Korean Journal of Food Science and Technology
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    • v.51 no.2
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    • pp.141-146
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    • 2019
  • Sparassis crispa is an edible mushroom that is distributed in Korea, Japan, Europe, and North America. It exerts various biological activities such as immunopotentiation, anti-diabetic, anti-cancer, and anti-inflammatory effects. Recently, we separated the health functional non-aqueous fraction from the chloroform extract of S. crispa (SCF4). In this study, we evaluated the antiangiogenic activity of SCF4 in human umbilical vein endothelial cells (HUVECs). SCF4 effectively inhibited vascular endothelial growth factor (VEGF)-induced cell growth at concentrations ($5-25{\mu}g/mL$) showing no cytotoxic effects. SCF4 inhibited VEGF-induced invasiveness and tube formation ability, which are in vitro angiogenic features of HUVECs, in a dose-dependent manner. In addition, SCF4 markedly suppressed in vivo angiogenesis of chorioallantoic membrane from growing chick embryos without cytotoxicity. Furthermore, SCF4 downregulated the phosphorylation of VEGFR2, AKT, and ERK1/2, which are major angiogenic signal mediators. These results suggest that SCF4 inhibited angiogenesis by suppressing the VEGFR2 signaling pathways without cytotoxicity.