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Effect of Fertilizers on Galanthamine and Metabolite Profiles in Narcissus Bulbs by (1)H NMR.
MedLine Citation:
PMID:  21375239     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Narcissus bulbs contain the biologically active alkaloid galanthamine, and Narcissus is being developed as a natural source of the molecule for the pharmaceutical industry. The effect of fertilizer on galanthamine production was investigated in a field study using a (1)H nuclear magnetic resonance (NMR) metabolite profiling approach. Galanthamine was quantitated and major metabolites in the bulbs were identified. The application of standard fertilization levels of nitrogen and potassium caused a significant increase in galanthamine as compared to a control. Multivariate data analysis of the (1)H NMR data revealed that applying double the standard level of nitrogen fertilizer resulted in production of more amino acids and citric acid cycle intermediates, but not more galanthamine. The results indicated that standard levels of fertilizer currently applied in The Netherlands are sufficient for optimal galanthamine accumulation in the bulbs. This study shows how (1)H NMR-based metabolic profiling can provide insight into the response of plant metabolism to agricultural practices.
Authors:
Andrea Lubbe; Young Hae Choi; Peter Vreeburg; Robert Verpoorte
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-4
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Division of Pharmacognosy, Section Metabolomics, Institute of Biology , Leiden University, P.O. Box 9502, 2333 CC Leiden, The Netherlands.
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