PJB-2014-196
METABOLOMIC VARIATION OF BRASSICA RAPA VAR. RAPA (VAR. RAAPSTELEN) AND RAPHANUS SATIVUS L. AT DIFFERENT DEVELOPMENTAL STAGES
MUHAMMAD JAHANGIR*1,5, IBRAHIM BAYOUMI ABDEL-FARID2,5,6, RIC C. H. DE VOS3,4, HARRY H. JONKER3,4, YOUNG HAE CHOI5 AND ROBERT VERPOORTE5
Abstract
Brassica rapa (var. raapstelen) and Raphanus sativus (red radish) are being used as food and fodder while also known as model in recent plant research due to the diversity of metabolites as well as genetic resemblance to Arabidopsis. This study explains the change in metabolites (amino acids, organic acids, chlorophyll, carotenoids, tocopherols, ascorbic acid, sucrose, phenylpropanoids and glucosinolates) during plant development. In present study the metabolomic variation in relation to plant growth has been evaluated, for Brassica rapa (var. raapstelen) and red radish (Raphanus sativus) at three different developmental stages. A non-targeted and targeted metabolomic approach by NMR and HPLC in combination with Principal component analysis (PCA) of the data was used to identify phytochemicals being influenced by plant growth. The results lead to the better understanding of metabolic changes during plant development and show the importance of plant age with respect to the metabolomic profile of vegetables.
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