期刊
FOOD CHEMISTRY
卷 119, 期 1, 页码 423-428出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2009.08.051
关键词
Brassica rapa L. ssp pekinensis; Chinese cabbage; Glucosinolate; Principal component analysis; Substantial equivalence
资金
- National Academy of Agricultural Science [200901FHT010407224]
- Rural Development Administration
- Republic of Korea
- National Agrobiodiversity Centre for the Chinese
- Rural Development Administration (RDA), Republic of Korea [PJ00683520101131304] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Glucosinolates of Chinese cabbage (Brassica rapa L. ssp. pekinensis) from Korea were characterised to determine the total glucosinolate content and the diversity amongst glucosinolates; 24 varieties were analysed. The profiles of 14 glucosinolates identified from the leaves were subjected to principal component analysis (PCA) to evaluate the differences among varieties. The Kori, Sandun and e-Norang varieties separated from the others based on glucosinolate concentration. Genetically modified Chinese cabbage containing the bar gene could not be separated from non-genetically modified varieties. Glucobrassicanapin, 4-methoxyglucobrassicin, gluconapin and glucobrassicin in Chinese cabbage were confirmed as the main glucosinolate compounds. The Kori, Sandun and e-Norang varieties appear to be good candidates for future breeding programmes since they have a high glucosinolate content. The presence of indolic glucosinolates in all varieties should be studied more extensively because they are the precursor of indole-3-carbinol, a potent cancer chemopreventive agent. (C) 2009 Elsevier Ltd. All rights reserved.
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