A new phenanthrene derivative and two diarylheptanoids from the roots of Brassica rapa ssp. campestris inhibit the growth of cancer cell lines and LDL-oxidation

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Title
A new phenanthrene derivative and two diarylheptanoids from the roots of Brassica rapa ssp. campestris inhibit the growth of cancer cell lines and LDL-oxidation
Author(s)
Q Wu; J G Cho; K H Yoo; Tae Sook Jeong; J H Park; S Y Kim; J H Kang; I S Chung; M S Choi; K T Lee; H G Chung; M H Bang; N I Baek
Bibliographic Citation
Archives of Pharmacal Research, vol. 36, no. 4, pp. 423-429
Publication Year
2013
Abstract
Brassica rapa ssp. campestris (Brassicaceae) is a conical, deep purple, edible root vegetable commonly known as a turnip. We initiated phytochemical and pharmacological studies to search for biological active compounds from the roots of B. rapa ssp. campestris. We isolated a novel phenanthrene derivative, 6-methoxy-1-[10-methoxy-7-(3-methylbut-2-enyl)phenanthren-3-yl]undecane-2, 4-dione, named brassicaphenanthrene A (3) along with two known diarylheptanoid compounds, 6-paradol (1) and trans-6-shogaol (2), through the repeated silica gel (SiO2), octadecyl silica gel, and Sephadex LH-20 column chromatography. The chemical structures of the compounds were determined by spectroscopic data analyses including nuclear magnetic resonance, mass spectrometry, ultraviolet spectroscopy, and infra-red spectroscopy. All compounds exhibited high inhibitory activity against the growth of human cancer lines, HCT-116, MCF-7, and HeLa, with IC50 values ranging from 15.0 to 35.0 μM and against LDL-oxidation with IC50 values ranging from 2.9 to 7.1 μM.
Keyword
6-ParadolBrassica rapa ssp. campestrisBrassicaphenanthrene AHCT-116HeLaLow density lipoproteinMCF-7trans-6-Shogaol
ISSN
0253-6269
Publisher
Pharmaceutical Soc Korea
DOI
http://dx.doi.org/10.1007/s12272-013-0068-8
Type
Article
Appears in Collections:
Division of Biomedical Research > Microbiome Convergence Research Center > 1. Journal Articles
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