• Title/Summary/Keyword: Thunb

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Anti-inflammatory Effect of Hederagenin Glycoside Isolated from Lonicera japonica

  • Son, Kun-Ho;Chang, Hyun-Wook;Kim, Hyun-Pyo;Kang, Sam-Sik
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.136-137
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    • 2002
  • Lonicera japonica Thunb. is a twining shrub that has been used as an antidote and to treat urinary disorders, fever and headache. It has been known as an anti-inflammatory agent in Korea from ancient times and is used widely for treating upper-respiratory tract infections, diabetes mellitus and rheumatoid arthritis. In the previous research, we isolated several flavonoid derivatives from the EtOAc soluble fraction. (omitted)

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New Taxa of Korean Flora(4) (한국의 신분류군(신종과 신품종) 식물에 대하여(4))

  • 이영노
    • Journal of Plant Biology
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    • v.25 no.4
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    • pp.175-180
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    • 1982
  • This paper is proposed to describe three new species and four varieties from Cheju Island to central part of Korea in Southern Korea. The new plant taxa are as follows: clematis taeguensis Y. Lee, sp. nov.; Prunus linearipetalus Y. Lee, sp. nov.; Vicia linearifolia Y. Lee, sp. nov.; Clematis brachyura Maxim. var. hexasepala Y. Lee, var. nov.; Ranunculus quelpaertensis(Lev.) Nakai var. albiflorus Y. Lee, var. nov.; Aconitum napiforme Lev. et Vaniot var. albiflorum Y. Lee, var. nov.; Ajuga decumbens Thunb. var. rosa Y. Lee, var. nov.

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[$^1H-NMR$ Assignment of HIV Protease Inhibitor, Procyanidin B3 isolated from Rosa rugosa

  • Park, Jong-Cheol;Ito, Hideyuki;Yoshida, Takashi
    • Natural Product Sciences
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    • v.9 no.2
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    • pp.49-51
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    • 2003
  • The underground part of Rosa rugosa Thunb. has been used in Korean folk medicine for treating diabetes. The $^{1}H-NMR$ signal of procyanidin B3 isolated from Rosa rugosa was fully assigned by utilizing $^{1}H-^{1}H$ COSY. Procyandin B3 showed a moderate inhibitory activity against HIV-1 protease.