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Licensed Unlicensed Requires Authentication Published by De Gruyter July 24, 2020

Metabolite profiling by means of GC-MS combined with principal component analyses of natural populations of Nectaroscordum siculum ssp. bulgaricum (Janka) Stearn

Radka Z. Vrancheva, Ivayla N. Dincheva, Ina Y. Aneva and Atanas I. Pavlov

Abstract

Nectaroscordum siculum ssp. bulgaricum (Janka) Stearn (Allium siculum subsp. dioscoridis (Sm.) K. Richt.) is a traditional culinary spice from South-East Europe. Studies of N. siculum have focused mainly on the botanical and taxonomic characteristics of this species and there is no data available in the scientific literature about its metabolite profile. Thus, the aim of the current study was metabolite profiling of four wild populations of N. siculum grown in Bulgaria by gas chromatography coupled to mass spectrometry (GC-MS) and subsequent principal component analysis (PCA) of the data obtained. The identified primary metabolites (carbohydrates, amino acids, organic acids and lipids) are initial compounds for the biosynthesis of different plant secondary metabolites, such as polyphenols and flavour compounds with valuable biological activities for humans. The health benefits of the phenolic acids identified in this study have been a prerequisite for the implementation of N. siculum in different food systems in order to increase their quality and biological value.


Corresponding author: Radka Vrancheva, Department of Analytical Chemistry and Physical chemistry, University of Food Technologies-Plovdiv, 26 Maritza blvd., 4002, Plovdiv, Bulgaria, E-mail:

Funding source: Bulgarian Science Fund, Bulgarian Ministry of Education and Science

Acknowledgements

This work was supported by the Bulgarian Science Fund, Bulgarian Ministry of Education and Science by contract ДM 06/1 – 13.12.2016.

  1. Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was supported by the Bulgarian Science Fund, Bulgarian Ministry of Education and Science by contract ДM 06/1 – 13.12.2016.

  3. Conflict of interest statement: The authors report no declarations of interest.

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Received: 2020-03-18
Accepted: 2020-06-13
Published Online: 2020-07-24
Published in Print: 2020-11-26

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