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Phytochemistry


Title:Profiling of volatile and non-volatile metabolites in Polianthes tuberosa L. flowers reveals intraspecific variation among cultivars
Author(s):Kutty NN; Mitra A;
Address:"Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India. Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India. Electronic address: adin@iitkgp.ac.in"
Journal Title:Phytochemistry
Year:2019
Volume:20190304
Issue:
Page Number:10 - 20
DOI: 10.1016/j.phytochem.2019.02.006
ISSN/ISBN:1873-3700 (Electronic) 0031-9422 (Linking)
Abstract:"Polianthes tuberosa L. (tuberose) is a widely cultivated ornamental crop in Asian countries. Different cultivars of tuberose have been developed through breeding programs in India. However, no reports on floral fragrance and metabolite contents of these cultivars are available. In this study, an attempt has been made to evaluate the levels of both volatile and non-volatile metabolites from seven different cultivars of P. tuberosa. Presence of benzenoids, phenylpropanoids, terpenoids, and few fatty acid derivatives as emitted, endogenous and glycosylated forms were revealed from the studied cultivars. Further, chemometric analyses in both supervised and unsupervised manner led to identification of patterns among the cultivars. Among the seven cultivars, four distinct clusters were obtained linking to their volatiles, flavonoids and primary metabolite levels. Metabolic variations obtained from the cultivars also suggest cross-talks between phenylpropanoid, benzenoid, and flavonoid pathways. Thus metabolite profiling reported here may help in characterization of tuberose cultivars for perfumery utility and future breeding programme"
Keywords:Asparagaceae/*metabolism Biotechnology Flowers/*metabolism Volatile Organic Compounds/*chemistry/*metabolism;
Notes:"MedlineKutty, Nithya N Mitra, Adinpunya eng England 2019/03/08 Phytochemistry. 2019 Jun; 162:10-20. doi: 10.1016/j.phytochem.2019.02.006. Epub 2019 Mar 4"

 
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