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KMID : 0616120070380040403
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Korean Journal of Pharmacognosy
2007 Volume.38 No. 4 p.403 ~ p.408
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Isolation of Chemical Compounds from xBrassicoraphanus
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Lee Yun-Hee
Ryu Shi-Yong
Ahn Kyoo-Suk
Kim Sung-Hoon
Lee Soo-Seong
Park Young-Doo
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Abstract
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xBrassicoraphanus is an intergenic breed crossed between Brassica campetris L. ssp. pekinensis and Raphanus sativus L. that have been daily consumed. xBrassicoraphanus was known to have good tastes and biological activities. Nevertheless, its constituetnts were not elucidated yet. Thus, in the present study, to indirectly evaluate the biological activity of xBrassicoraphanus, 12 compounds were isolated from leaves and roots of xBrassicoraphanus. On the basis of spectroscopic evidences, the structures of these compounds isolated from leaves of xBrassicoraphanus. were identified as β-sitosterol, indole- 3-acetonitrile, ferulic acid, methyl ferulate, linolenic acid methyl ester, linolenic acid and coniferyl alcohol, while the chemical structures of compounds isolated from the roots of were xBrassicoraphanus were characterized as β-sitosterol, indole-3-acetonitrile, ferulic acid, methyl ferulate, linolenic acid methyl ester, 1-methoxyindole-3-acetonitrile, goitrin, 4-hydroxycinnamyl alcohol, coniferyl alcohol, palmitic acid and daucosterol. These can be classified as three steroids, two indole cyanides, two cinnamic acid derivatives, one cinnamyl alcohol derivative, three fatty acid derivatives one isothiocyanate. These results suggest that the compounds isolated from xBrassicoraphanus were almost identical with known components of Brassica campetris L. ssp pekinensis or Raphanus sativus L. However, it is necessary to investigate more about the difference of amounts of constituents according to harvest time and variant species amounts.
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KEYWORD
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xBrassicoraphanus, Steroid, Indole, Cinnamic acid, Fatty acid, Isothiocyanate
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